Method for producing record, method for producing transfer product, and device for producing record

Abstract

Provided is a method for producing a record, the method being capable of forming an adhesive layer which can be prevented from cracking and has excellent adhesiveness during transfer. This method for producing a record comprises an image formation step, an adhesive ink application step, a first heating step, and a second heating step, wherein in the adhesive ink application step, the adhesive ink is applied in an amount of 3.0 mg / cm2 or greater, and the heating temperature in the second heating step is higher by at least 40°C than the heating temperature in the first heating step.

Description

Method for manufacturing a recorded material, method for manufacturing a transferred material, and device for manufacturing a recorded material

[0001] The present invention relates to a method for producing a recorded material, a method for producing a transferred material, and an apparatus for producing a recorded material.

[0002] Conventionally, a technique has been known in which an image is formed on a transfer sheet having a release layer formed on the surface of a substrate, a hot melt layer (adhesive layer) is formed on the entire surface of the transfer sheet, and the transfer sheet is then heated and pressed onto a transfer object to transfer the image. For example, Patent Document 1 describes a transfer printing method onto fabric using hot melt powder.

[0003] Japanese Patent Application Publication No. 2019-171840

[0004] In order to increase productivity in the transfer printing method for fabrics as disclosed in Patent Document 1, the present inventors have investigated a method of forming an adhesive layer using an inkjet ink containing a hot-melt resin instead of a powder. However, in order to ensure adhesion during transfer of the adhesive layer, a large amount of ink must be applied to the transfer sheet. Here, the present inventors have found that, although drying is required to form the adhesive layer, if drying is performed all at once, only the surface of the adhesive layer dries, which may cause cracks in the adhesive layer.

[0005] An object of one aspect of the present invention is to provide a method for producing a recorded matter that can prevent the occurrence of cracks and form an adhesive layer that has excellent adhesiveness during transfer.

[0006] In order to solve the above-mentioned problems, a method for producing a recorded matter according to one aspect of the present invention includes an image forming step of forming an image by applying ink containing a coloring material to a recording medium by an inkjet method, an adhesive ink applying step of applying adhesive ink onto the image by an inkjet method, a first heating step of drying the adhesive ink, and a second heating step of further drying the adhesive ink after the first heating step to obtain an adhesive layer, wherein the adhesive ink is applied in an amount of 3.0 mg / cm in the adhesive ink applying step. ２ The heating temperature of the recording medium in the second heating step is at least 40° C. higher than the heating temperature of the recording medium in the first heating step.

[0007] Also, an apparatus for producing a recorded matter according to one aspect of the present invention includes a colorant-containing ink head for depositing ink containing a colorant onto a recording medium by an inkjet method to form an image, an adhesive ink head for depositing adhesive ink onto the image by an inkjet method, a first heating device for drying the adhesive ink, and a second heating device for further drying the adhesive ink after drying in the first heating device to obtain an adhesive layer, and the amount of adhesive ink deposited by the adhesive ink head is 3.0 mg / cm ２ The heating temperature of the recording medium in the second heating device is 40° C. or more higher than the heating temperature of the recording medium in the first heating device.

[0008] According to one aspect of the present invention, it is possible to provide a method for producing a recorded matter that can prevent the occurrence of cracks and form an adhesive layer that has excellent adhesiveness during transfer.

[0009] 1 is a schematic diagram showing a structure of an ink jet ejection device that can be used to carry out a method for producing a recorded matter according to an embodiment of the present invention, and FIG. 2 is a schematic diagram showing a structure of an ink jet ejection device that can be used to carry out a method for producing a recorded matter according to an embodiment of the present invention.

[0010] An embodiment of the present invention will be described in detail below. In this specification, unless otherwise specified, "A to B" representing a numerical range means "greater than or equal to A and less than or equal to B." Furthermore, "(meth)acrylic acid" means acrylic acid or methacrylic acid, and "(meth)acrylate" means acrylate or methacrylate. The same applies to terms such as "(meth)acryloxy" and "(meth)acryloyl." Furthermore, a "structural unit derived from" corresponds to a structure in which the ethylenically unsaturated double bond of each monomer component is opened (a structure in which the double bond (C=C) becomes a single bond (-C-C-)).

[0011] 1. Method for manufacturing a recorded matter A method for manufacturing a recorded matter according to one embodiment of the present invention includes an image forming step of forming an image by applying ink containing a coloring material to a recording medium by an inkjet method, an adhesive ink applying step of applying adhesive ink onto the image by an inkjet method, a first heating step of drying the adhesive ink, and a second heating step of further drying the adhesive ink after the first heating step to obtain an adhesive layer, wherein the adhesive ink is applied in an amount of 3.0 mg / cm in the adhesive ink applying step. ２ The heating temperature of the recording medium in the second heating step is at least 40° C. higher than the heating temperature of the recording medium in the first heating step.

[0012] In the above manufacturing method, the amount of adhesive ink adhered is 3.0 mg / cm ２ As a result, an adhesive layer with excellent adhesion can be formed. Furthermore, in the manufacturing method, the adhesive ink is gradually dried by the first heating step and the second heating step. Therefore, even if a relatively large amount of adhesive ink is applied, it can be dried evenly to the inside. This makes it possible to form a smooth adhesive layer with excellent adhesion without generating cracks.

[0013] In this specification, an ink containing a colorant is also referred to as a colorant-containing ink. Furthermore, a recorded matter refers to a recording medium on which a colorant-containing ink is printed and on which an adhesive ink is further printed. It can also be said that a recorded matter has an image formed on the recording medium and an adhesive layer formed on the image. The adhesive layer may be provided only in the area where the image is formed, or may be provided in addition to the area where the image is formed and around it. The recorded matter may be a transfer medium used for transfer to a transfer-receiving material.

[0014] The recorded matter preferably has an ink-receiving layer on the surface of the recording medium on which the image is formed. That is, the recorded matter preferably has an ink-receiving layer between the recording medium and the image. By providing the ink-receiving layer, it is possible to prevent the colorant-containing ink from flowing or crumbling, and it is also possible to further increase the durability of the image after it has been transferred to a receiving material. When the recorded matter has an ink-receiving layer, some or all of the colorant-containing ink may be absorbed by the ink-receiving layer.

[0015] The ink-receiving layer can be formed by coating a recording medium (or a recording medium provided with a release layer, which will be described later) with a solution containing a resin for forming the ink-receiving layer. Examples of the resin include (meth)acrylic resins such as (meth)acrylic ester resins and (meth)acrylic ester-styrene copolymer resins; olefin resins such as polyethylene resins and polypropylene resins; silicone resins; and polyvinyl alcohol resins.

[0016] The thickness of the ink-receiving layer is not particularly limited, but is preferably 30 nm or more, more preferably 100 nm or more, from the viewpoint of suppressing the flow of the colorant-containing ink. Furthermore, from the viewpoint of cost, the thickness of the ink-receiving layer is preferably 20 μm or less, more preferably 10 μm or less. From the above viewpoints, the thickness of the ink-receiving layer is preferably 30 nm to 20 μm, more preferably 100 nm to 10 μm.

[0017] Furthermore, the recorded matter may have a release layer provided on at least one surface of the recording medium. That is, the recorded matter may have a release layer between the recording medium and the image (preferably the ink-receiving layer) and / or on the side of the recording medium opposite the surface on which the image is formed. By providing a release layer between the recording medium and the image (preferably the ink-receiving layer), the recording medium and the image can be easily peeled off, making it easier to transfer the image from the recorded matter to a transfer material. Furthermore, by providing a release layer on the side opposite the surface on which the image is formed, blocking between the recorded matters can be suppressed when the recorded matters are stacked.

[0018] The release layer is preferably a layer obtained by coating at least one surface of the recording medium with a release agent, such as a polyethylene wax-based release agent, a silicone-based release agent, or a fluorine-based release agent.

[0019] The thickness of the release layer is not particularly limited, but is preferably 10 nm or more, more preferably 30 nm or more, from the viewpoint of further improving transferability, and is preferably 2 μm or less, from the viewpoint of suppressing bulkiness when made into a roll-shaped recording material. From the above viewpoints, the thickness of the release layer is preferably 10 nm to 2 μm, more preferably 30 nm to 2 μm.

[0020] Sheets or films in which an ink-receiving layer and / or a release layer is provided on a recording medium are commercially available, and the recorded matter may be constructed using such commercially available products. Examples of such commercially available products include DTF Transfers film (manufactured by One More Buck) and PET film roll DFR-600 (manufactured by Image Magic).

[0021] In this specification, the term "image" includes characters and patterns. The image may be a single layer or a multilayer. For example, by providing a white ink layer on a color ink layer on a recording medium, good color development can be achieved even when the image is transferred onto a dark-colored material such as black.

[0022] <1-1. Image Forming Process> The image forming process is a process in which a colorant-containing ink is applied to a recording medium by an inkjet method to form an image. An example of a method for applying a colorant-containing ink to a recording medium by an inkjet method is a method in which the colorant-containing ink is ejected from an inkjet head of an inkjet ejection device. This allows the colorant-containing ink to be applied to a predetermined portion of the recording medium, thereby forming an image.

[0023] The recording medium is not particularly limited, but is preferably a material that does not shrink easily during the first and second heating steps described below. Specific examples of the recording medium include metal, wood, plastic, and paper. Examples of the metal include aluminum and copper, with aluminum being preferred from a cost perspective. Examples of the plastic include polyolefin resin, polyester resin, polyamide resin, and polycarbonate resin, with polyester resin being preferred from a cost perspective, and aromatic polyesters such as polyethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate being more preferred. Examples of the paper include plain paper, high-quality paper, and coated paper.

[0024] In particular, the recording medium is preferably plastic or paper from the viewpoint of cost, and more preferably polyester resin from the viewpoint of good heat resistance, more preferably aromatic polyester, and most preferably polyethylene terephthalate.

[0025] The recording medium may have a single layer structure or a laminated structure. The recording medium is preferably a sheet or film to facilitate use of the recorded matter. The thickness of the recording medium is preferably 5 to 150 μm. When the recording medium is a film, the resulting transfer medium is also called a transfer film.

[0026] The ejection weight of the colorant-containing ink per unit area is not particularly limited, but is preferably 0.1 to 20 mg / cm ２ is preferred, and 0.5 to 10 mg / cm ２

[0046] By forming an image within this range, a transferred product having even more excellent texture and wet rubbing fastness tends to be obtained. In this specification, wet rubbing fastness means a property that can be evaluated by a wet rubbing test according to the method specified in JIS L0849.

[0027] The hue of the colorant-containing ink is not particularly limited and may be selected from black, white, and chromatic colors. Chromatic colors include the three subtractive primary colors of magenta, yellow, and cyan, as well as colors of different shades such as light cyan, dark yellow, light magenta, and light black. Furthermore, the hue may be one or more hues selected from red, blue, orange, green, and violet. The hue of the colorant-containing ink can be controlled by the colorant described below. The colorant-containing ink is meant to encompass the color ink and white ink described below. In this specification, color ink is ink containing a non-white colorant, and white ink is ink containing a white colorant.

[0028] Examples of coloring materials include pigments and dyes, with pigments being particularly preferred. The pigment is not particularly limited, and pigments used in ordinary inkjet textile printing color inks can be used. Examples of the pigment include organic pigments and inorganic pigments, which can be used alone or in combination of two or more. If necessary, these can also be used in combination with an extender pigment.

[0029] Examples of organic pigments include benzidine, azo pigments (such as Hansa Yellow), diazo pigments, azomethine pigments, methine pigments, anthraquinone pigments, phthalocyanine pigments (such as Phthalocyanine Blue), perinone pigments, perylene pigments, diketopyrrolopyrrole pigments, thioindigo pigments, iminoisoindoline pigments, isoindolinone pigments (such as iminoisoindolinone), dioxazine pigments, quinacridone pigments (such as quinacridone red and quinacridone violet), flavanthrone pigments, indanthrone pigments, anthrapyrimidine pigments, carbazole pigments, monoarylide yellow, diarylide yellow, benzimidazolone yellow, tolyl orange, naphthol orange, and quinophthalone pigments.

[0030] The hue of the organic pigment is not particularly limited, and any pigment exhibiting the above-mentioned chromatic hue can be used. Specific examples of such organic pigments include C.I. Pigment Yellow, C.I. Pigment Red, C.I. Pigment Orange, C.I. Pigment Violet, C.I. Pigment Blue, and C.I. Pigment Green.

[0031] Examples of inorganic pigments include titanium dioxide, antimony trioxide, zinc oxide such as zinc white, lithopone, white lead, red iron oxide, black iron oxide, chromium oxide green, carbon black, yellow lead, molybdenum red, ferric ferrocyanide (Prussian blue), ultramarine, and lead chromate. Other examples of inorganic pigments include flat-shaped pigments such as mica, clay, aluminum powder, talc, and aluminum silicate, and extender pigments such as calcium carbonate, magnesium hydroxide, aluminum hydroxide, barium sulfate, and magnesium carbonate. Examples of carbon black include furnace black, thermal lamp black, acetylene black, and channel black.

[0032] Among inorganic pigments, preferred white pigments are titanium dioxide, antimony trioxide, zinc oxide such as zinc white, lithopone, white lead, calcium carbonate, magnesium hydroxide, aluminum hydroxide, barium sulfate, magnesium carbonate, clay, talc, and aluminum silicate. Of these, titanium dioxide is preferred from the viewpoint of its high refractive index and excellent hiding power. Of titanium dioxide, titanium dioxide having a rutile crystal structure is preferred.

[0033] Preferred non-white pigments include the above organic pigments, red iron oxide, black iron oxide, chromium oxide green, carbon black, yellow lead, molybdenum red, ferric ferrocyanide (Prussian blue), ultramarine, and lead chromate.

[0034] The average particle size of the pigment is preferably 10 to 1,000 nm, and more preferably 20 to 500 nm, from the viewpoints of dispersion stability and color development or hiding power. In the case of a white pigment, the average particle size is preferably 100 to 500 nm, from the viewpoint of superior hiding power. The lower limit of the average particle size of the white pigment is more preferably 150 nm or more, and even more preferably 200 nm or more, and the upper limit is more preferably 450 nm or less, and even more preferably 400 nm or less. From the above viewpoints, the average particle size of the white pigment is preferably 100 nm to 500 nm, more preferably 150 nm to 450 nm, and even more preferably 200 nm to 400 nm. In the case of a non-white pigment, the average particle size is preferably 20 to 200 nm, particularly from the viewpoint of color development. The lower limit of the average particle size of the non-white pigment is more preferably 40 nm or more, and even more preferably 50 nm or more, and the upper limit is more preferably 150 nm or less, and even more preferably 100 nm or less. From the above viewpoint, the average particle size of the non-white pigment is preferably 20 nm to 200 nm, more preferably 40 nm to 150 nm, and even more preferably 50 nm to 100 nm.

[0035] The average particle size of the pigment can be measured by a laser diffraction / scattering particle size distribution analyzer or dynamic light scattering. For example, the cumulant average particle size measured by dynamic light scattering, as shown in the examples below, can be used. However, in cases where measurement by dynamic light scattering is difficult, such as in the case of black pigments, the 50% particle size in the volume-based particle size distribution measured by a laser diffraction / scattering particle size distribution analyzer can be used as the average particle size.

[0036] The pigment is preferably dispersed and stabilized in the ink with a dispersant. For this reason, the colorant-containing ink is preferably produced by mixing the pigment, dispersant, and solvent, and dispersing the mixture using a bead mill or the like to prepare a pigment dispersion in which the pigment is dispersed in the solvent, and then mixing this with the resin and any optional components described below.

[0037] Examples of the dispersant include poly(meth)acrylic acid (salts) such as poly(meth)acrylic acid and poly(meth)acrylate salts; copolymers of (meth)acrylic acid (salts) with one or more monomer components other than (meth)acrylic acid (salts), such as (meth)acrylic acid alkyl esters, (meth)acrylamide, styrene, maleic acid, maleic anhydride, maleic acid esters, and vinyl acetate; polyvinyl alcohol; and polyvinylpyrrolidone.

[0038] The solvent in the pigment dispersion is preferably an aqueous solvent, and examples of the aqueous solvent include water and a mixed solvent of water and a water-soluble organic solvent described below.

[0039] The content of the pigment in the colorant-containing ink is preferably 1 to 50% by mass, more preferably 2 to 35% by mass. In particular, when the pigment is a white pigment, the content of the white pigment in the colorant-containing ink is preferably 5 to 40% by mass, more preferably 10 to 30% by mass. Furthermore, when the pigment is an organic pigment, the content of the organic pigment in the solid content of the colorant-containing ink is preferably 1 to 30% by mass, more preferably 2 to 15% by mass.

[0040] The colorant-containing ink may contain a resin. The type of resin contained in the colorant-containing ink is not particularly limited, and examples thereof include vinyl resins, acrylic resins, polyester resins, olefin resins, urethane resins, fluorine-containing resins, silicone resins, epoxy resins, phenoxy resins, phenol resins, and xylene resins. Among these, acrylic resins and / or polyester resins are preferred, and acrylic resins are particularly preferred.

[0041] In particular, it is preferable that the resin used in the colorant-containing ink is a resin of the same type as the resin used in the adhesive ink. That is, when an acrylic resin and / or a polyester resin is used as the adhesive ink, it is preferable that an acrylic resin and / or a polyester resin is also used as the resin used in the colorant-containing ink. When an acrylic resin is used as the adhesive ink, it is more preferable that an acrylic resin is also used as the resin used in the colorant-containing ink. When a polyester resin is used as the adhesive ink, it is more preferable that a polyester resin is also used as the resin used in the colorant-containing ink. By using these combinations, the interface between the adhesive layer formed from the adhesive ink and the image formed from the colorant-containing ink in the recorded matter and the transferred matter is less likely to peel, resulting in improved transferability and robustness of the resulting transferred matter.

[0042] The acrylic resin used in the colorant-containing ink may be a conventionally known acrylic resin. Among these, a resin containing a structural unit derived from a (meth)acrylic monomer is preferred. Specific examples of the (meth)acrylic monomer are the same as those used in the adhesive ink described below. The (meth)acrylic monomer preferably contains at least one selected from the group consisting of alkyl (meth)acrylate, (meth)acrylic acid, and hydroxyalkyl (meth)acrylate, and more preferably contains all of (meth)acrylic acid, alkyl (meth)acrylate, and hydroxyalkyl (meth)acrylate.

[0043] The alkyl (meth)acrylate is preferably an alkyl (meth)acrylate in which the alkyl group has 1 to 18 carbon atoms, and more preferably an alkyl (meth)acrylate in which the alkyl group has 4 to 12 carbon atoms. The content of the alkyl (meth)acrylate-derived structural unit relative to the total of 100 mass% of structural units derived from all monomer components constituting the acrylic resin used in the colorant-containing ink is preferably 20 to 99 mass%, more preferably 30 to 98 mass%, and even more preferably 40 to 95 mass%.

[0044] The content of the (meth)acrylic acid-derived structural unit relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin used in the colorant-containing ink is preferably 0.1 to 5% by mass, more preferably 0.5 to 4% by mass, and even more preferably 1.0 to 3% by mass. By adjusting the content within the above range, the rub fastness and wash fastness of the resulting transferred product can be further improved.

[0045] The content of the hydroxyalkyl (meth)acrylate-derived structural unit relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin used in the colorant-containing ink is preferably 0.1 to 5% by mass, more preferably 0.3 to 4% by mass, and even more preferably 0.5 to 3% by mass. By adjusting the content within the above range, the water resistance of the resulting transfer product can be improved.

[0046] The acrylic resin used in the colorant-containing ink may further contain a structural unit derived from a styrene-based monomer. The total content of the structural units derived from (meth)acrylic monomers and the structural units derived from styrene-based monomers relative to the total of all structural units derived from all monomer components constituting the acrylic resin used in the colorant-containing ink (100% by mass) is preferably 50% by mass or more, more preferably 80% by mass or more, even more preferably 95% by mass or more, and may even be 100% by mass. From the above-mentioned viewpoints, the total content of the structural units derived from (meth)acrylic monomers and the structural units derived from styrene-based monomers is preferably 50 to 100% by mass, more preferably 80 to 100% by mass, and even more preferably 95 to 100% by mass. Specific examples of the styrene-based monomer are the same as those of the styrene-based monomers used in the adhesive ink described below.

[0047] The acrylic resin used in the colorant-containing ink may further contain a constituent unit derived from a monomer other than a (meth)acrylic monomer and a styrene-based monomer. Examples of the monomer other than a (meth)acrylic monomer and a styrene-based monomer include the acid group-containing monomer (excluding (meth)acrylic acid) and other monomers used in the adhesive ink described below.

[0048] The polyester resin used in the colorant-containing ink may be a conventionally known polyester resin. The polyester resin is preferably a condensation polymer of an aromatic dicarboxylic acid and a diol compound. Specific examples of the aromatic dicarboxylic acid and the diol compound are the same as those exemplified in the description of the polyester resin used in the adhesive ink, which will be described later.

[0049] The weight average molecular weight (Mw) of the resin used in the colorant-containing ink is not particularly limited, but from the viewpoint of suppressing flow of the colorant-containing ink after printing, it is preferably 50,000 or more, more preferably 300,000 or more, even more preferably 550,000 or more, and particularly preferably 600,000 or more. The upper limit of the weight average molecular weight of the resin used in the colorant-containing ink is preferably 5,000,000 or less, from the viewpoint of improving film-forming properties and water resistance. From the above viewpoints, the weight average molecular weight of the resin used in the colorant-containing ink is preferably 50,000 to 5,000,000, more preferably 300,000 to 5,000,000, even more preferably 550,000 to 5,000,000, and particularly preferably 600,000 to 5,000,000.

[0050] The glass transition temperature (Tg) of the resin used in the colorant-containing ink is not particularly limited, but from the viewpoint of further improving the texture of the resulting transferred product, it is preferably −50 to 10° C., more preferably −45 to 5° C., and even more preferably −40 to 3° C.

[0051] In the colorant-containing ink, the resin is preferably contained as emulsion particles. The preferred aspects of the composition and physical properties of the resin constituting the emulsion particles are the same as those of the emulsion particles in the adhesive ink described below.

[0052] The content of the resin (preferably emulsion particles) in the colorant-containing ink is, for example, 5 to 40% by mass, preferably 8 to 30% by mass, and more preferably 10 to 25% by mass. By adjusting the resin content within the above range, the viscosity of the colorant-containing ink can be maintained within an appropriate range.

[0053] The colorant-containing ink preferably further contains a solvent. As the solvent, organic solvents and aqueous solvents can be suitably used, but from the viewpoint of reducing the environmental load, it is preferable to use an aqueous solvent. Examples of aqueous solvents include water and mixed solvents of water and water-soluble organic solvents. From the viewpoint of improving moisture retention and compatibility with the resin, it is preferable that the aqueous solvent contained in the colorant-containing ink contains a water-soluble organic solvent. The preferred aspects of the type and content of the water-soluble organic solvent are the same as the preferred aspects of the type and content of the water-soluble organic solvent in the adhesive ink described below.

[0054] The content of the solvent in the colorant-containing ink may be set according to the desired viscosity of the colorant-containing ink, and is not particularly limited, but is, for example, 40 to 90% by mass, preferably 50 to 88% by mass, and more preferably 55 to 85% by mass.

[0055] The colorant-containing ink may further contain a crosslinking agent. The use of a crosslinking agent can form a crosslinked structure through interaction with components contained in the colorant-containing ink, such as a resin, or through a chemical reaction, thereby forming a tough coating film, which is presumably responsible for further improving the wet rub fastness and washing fastness of the resulting transfer product. Examples of crosslinking agents that can be used in the colorant-containing ink include the compounds exemplified as crosslinking agents that can be used in the adhesive ink described below, and the preferred embodiments thereof are also the same.

[0056] The content of the crosslinking agent is not particularly limited, but is preferably 0.05 to 10 parts by mass, more preferably 0.1 to 8 parts by mass, and even more preferably 0.2 to 5 parts by mass, relative to 100 parts by mass of the resin.

[0057] The colorant-containing ink may further contain a surfactant. Examples of surfactants that can be used in the colorant-containing ink include the compounds exemplified as surfactants that can be used in the adhesive ink described below, and preferred embodiments thereof are also the same. The content of the surfactant is not particularly limited, but is preferably 0.01 to 2% by mass, and more preferably 0.1 to 1% by mass, relative to 100% by mass of the colorant-containing ink.

[0058] The colorant-containing ink may contain other components in addition to the components described above, provided that the objectives of the present invention are not impaired. For example, the ink may contain appropriate amounts of additives such as leveling agents, UV absorbers, UV stabilizers, thickeners, humectants, plasticizers, stabilizers, defoamers, dyes, antioxidants, crosslinking accelerators, pH adjusters, and preservatives. When the other components are added, their content is not particularly limited, but is preferably 2% by mass or less, and more preferably 1% by mass or less, relative to 100% by mass of the colorant-containing ink. Furthermore, to achieve the desired effect, their content is preferably 0.01% by mass or more, and more preferably 0.05% by mass or more. From the above-mentioned viewpoints, the content of the other components is preferably 0.01 to 2% by mass, and more preferably 0.05 to 1% by mass.

[0059] The image forming process may include a color ink applying process in which color inks are applied to the recording medium by inkjet printing, and a white ink applying process in which white ink is applied to the recording medium on the color ink coating by inkjet printing. By performing these processes, a white background layer is formed between the transfer material and the image in the resulting transfer product, resulting in good color development, particularly when a dark-colored transfer material is used. Furthermore, by applying white ink on the color ink coating and then forming an adhesive layer thereon, a transfer product having an image with excellent color development and adhesiveness can be obtained.

[0060] The manufacturing method may include an image drying step of drying the image before the adhesive ink application step. The image drying step is a step of evaporating some or all of the components (i.e., solvent) excluding the solid content of the colorant-containing ink applied to the recording medium. This prevents the colorant-containing ink from flowing, thereby obtaining a clear image. Furthermore, drying the image makes it difficult for the adhesive ink to penetrate the image, thereby improving adhesion during transfer.

[0061] In the image drying step, of 100% by mass of the components excluding solids in the colorant-containing ink, preferably 10% by mass or more, more preferably 15% by mass or more, and even more preferably 20% by mass or more is evaporated. By adjusting the evaporation amount within the above range, it is possible to suppress flow of the adhesive ink in the adhesive ink application step described below. Furthermore, in the image drying step, of 100% by mass of the components excluding solids in the colorant-containing ink, preferably 80% by mass or less, more preferably 70% by mass or less, even more preferably 60% by mass or less, particularly preferably 50% by mass or less or 40% by mass or less is evaporated. From the above viewpoints, the evaporation amount is preferably 10 to 80% by mass, more preferably 10 to 70% by mass, even more preferably 15 to 60% by mass, even more preferably 20 to 50% by mass, and particularly preferably 20 to 40% by mass.

[0062] By adjusting the evaporation amount within the above range, the colorant-containing ink layer and the adhesive ink layer are mixed appropriately at the interface between them, preventing peeling at the interface during transfer printing, thereby improving transferability. The conditions for achieving the desired evaporation amount can be determined by ejecting a certain weight of colorant-containing ink onto a substrate using a colorant-containing ink with a known solids concentration, measuring the total weight of the ink and recording medium after drying, and the weight of the recording medium alone using a precision balance, and then calculating the weight. The image drying process can be performed under the same conditions.

[0063] The device for performing the image drying step is not particularly limited, and examples thereof include contact heating devices such as platen heaters and rubber heaters, and non-contact heating devices such as hot air heaters, infrared heaters, and halogen heaters. Among these, from the viewpoint of uniform drying, contact heating devices are preferred, and platen heaters are more preferred. For example, the colorant-containing ink can be dried by heating the back surface of the recording medium with a contact heating device. In this specification, the surface of the recording medium to which the colorant-containing ink is applied is referred to as the front surface of the recording medium, and the surface opposite to the surface to which the colorant-containing ink is applied is referred to as the back surface of the recording medium.

[0064] The evaporation amount can be adjusted by controlling the heating temperature, heating time, hot air temperature, air volume, etc. The heating temperature in the image drying step is preferably 30°C or higher, more preferably 40°C or higher, from the viewpoint of shortening the heating time. Furthermore, if the heating temperature is too high, heat may be transferred to the inkjet head, causing nozzle clogging. Therefore, the heating temperature is preferably 100°C or lower, more preferably 90°C or lower, even more preferably 80°C or lower, and particularly preferably 70°C or lower. From the above viewpoints, the heating temperature in the image drying step is preferably 30 to 100°C, more preferably 30 to 90°C, even more preferably 40 to 80°C, and particularly preferably 40 to 70°C.

[0065] The image drying process may be carried out simultaneously with the image forming process, after the image forming process, or both simultaneously with the image forming process and after the image forming process. When the image drying process is carried out simultaneously with the image forming process, it may be carried out continuously from the start to the end of the image forming process, or may be carried out intermittently, but it is preferable to carry out the image drying process continuously.

[0066] <1-2. Adhesive Ink Applying Process> The adhesive ink applying process is a process of applying adhesive ink onto an image by an inkjet method. An example of a device for performing the adhesive ink applying process is an inkjet ejection device similar to that used in the image forming process. When an inkjet ejection device is used, the adhesive ink can be printed by ejecting the adhesive ink from an inkjet head and applying the adhesive ink onto the image formed in the image forming process. This forms an adhesive ink layer on the image.

[0067] By using an inkjet ejection device equipped with a plurality of inkjet heads, it is possible to continuously print with colorant-containing ink and adhesive ink. For example, by installing an ink set containing one or more types of colorant-containing ink and adhesive ink in the ink cartridges for each color of the inkjet ejection device and ejecting ink from each inkjet head corresponding to each ink cartridge, it is possible to continuously print with colorant-containing ink and adhesive ink.

[0068] In the adhesive ink application step, the amount of adhesive ink applied was 3.0 mg / cm ２ or more, preferably 4.0 mg / cm ２ More preferably, it is 5.0 mg / cm ２ More preferably, it is 8.0 mg / cm ２ From the viewpoint of ease of drying, the amount of adhesive ink applied is 35 mg / cm ２ Preferably, it is 20 mg / cm or less. ２ From the above viewpoint, the amount of adhesive ink applied is preferably 4.0 to 35 mg / cm ２ and more preferably 5.0 to 35 mg / cm ２ and more preferably 8.0 to 20 mg / cm ２ is.

[0069] The adhesive ink preferably contains a resin, an aqueous organic solvent, and water. The resin may be used alone or in combination of two or more.

[0070] The glass transition temperature (Tg) of the resin is, for example, 30°C or lower, preferably 25°C or lower, more preferably 20°C or lower, even more preferably 15°C or lower, and even more preferably 10°C or lower. By adjusting the Tg of the resin within the above range, the texture of the resulting transferred product is excellent. The lower limit of the Tg of the resin is, for example, -50°C or higher, preferably -30°C or higher, more preferably -20°C or higher, and even more preferably -10°C or higher. When a recorded product is wound into a roll and stored, blocking due to adhesive ink may occur. However, by adjusting the lower limit of the Tg of the resin within the above range, blocking can be suppressed. From the above viewpoints, the Tg of the resin is preferably -50 to 30°C, more preferably -30 to 25°C, even more preferably -20 to 20°C, even more preferably -10 to 15°C, and particularly preferably -10 to 10°C.

[0071] The Tg of a resin can be determined by differential scanning calorimetry (DSC). Specifically, for example, a differential scanning calorimetry analyzer (NETZSCH "DSC 3500") is used to heat and cool the resin in the following steps to create a DSC curve, and the midpoint glass transition temperature obtained from the DSC curve during the second heating cycle is used as the Tg of the resin. (Step 1) Heat the resin from -50°C to 150°C at a rate of 10°C / min and hold at 150°C for 5 minutes.

[0072] (Step 2) The temperature is decreased from 150°C to -50°C at a rate of 10°C / min, and maintained at -50°C for 5 minutes.

[0073] (Step 3) Raise the temperature from -50°C to 150°C at a rate of 10°C / min.

[0074] In addition, when the resin has a core-shell structure, multiple glass transition temperatures may be observed. In this case, it is sufficient that any one of the glass transition temperatures satisfies the above range, and it is preferable that all of the glass transition temperatures satisfy the above range.

[0075] Furthermore, when two or more resins are used, it is preferable that the Tg of the resin that is the main component satisfies the above range, and it is more preferable that the Tg of each of all of the resins is within the above range. Note that the term "main component resin" refers to a resin that preferably accounts for 50% by mass or more, more preferably 60% by mass or more, even more preferably 80% by mass or more, and particularly preferably 90% by mass or more, of the total 100% by mass of the resins contained in the adhesive ink.

[0076] The weight-average molecular weight of the resin contained in the adhesive ink is 10,000 or more, preferably 20,000 or more, and may be 30,000 or more or 50,000 or more. By adjusting the weight-average molecular weight of the resin within the above range, it is possible to prevent the adhesive ink from flowing after printing. Furthermore, the weight-average molecular weight of the resin is 700,000 or less, preferably 500,000 or less, more preferably 400,000 or less, and may be 350,000 or less or 300,000 or less. By adjusting the weight-average molecular weight of the resin within the above range and adjusting the Tg of the resin to 30° C. or less, the transferability during transfer printing and the wet rub fastness of the resulting transfer product are excellent. From the above viewpoint, the weight average molecular weight of the resin is preferably 10,000 to 700,000, more preferably 20,000 to 500,000, even more preferably 30,000 to 400,000, particularly preferably 50,000 to 350,000, and most preferably 50,000 to 300,000.

[0077] The weight average molecular weight of the resin can be calculated by a standard polystyrene conversion method using gel permeation chromatography (GPC). Specifically, for example, a resin solution dissolved in tetrahydrofuran (THF) so as to have a concentration of 0.2% by mass is used as a sample, and the weight average molecular weight (polystyrene conversion) can be calculated from a gel permeation chromatography chart prepared using gel permeation chromatography (manufactured by Tosoh Corporation, product number: HLC-8320GPC, column: TSK-GEL SuperMultiporeHZ, eluent: THF) and a calibration curve prepared using standard polystyrene manufactured by Tosoh Corporation.

[0078] When two or more resins are used, it is sufficient that the weight average molecular weight of the resins as a mixture falls within the above range, but it is preferable that the weight average molecular weights of all the resins fall within the above range.

[0079] The type of resin contained in the adhesive ink is not particularly limited, and examples thereof include vinyl resins, acrylic resins, polyester resins, olefin resins, urethane resins, fluorine resins, silicone resins, epoxy resins, phenoxy resins, phenol resins, xylene resins, etc. Among these, it is preferable that the adhesive ink contains one or more resins selected from the group consisting of acrylic resins and polyester resins.

[0080] The acrylic resin is a resin containing structural units derived from (meth)acrylic monomers. The content of the structural units derived from (meth)acrylic monomers relative to the total (100% by mass) of structural units derived from all monomer components constituting the acrylic resin is preferably 20% by mass or more, more preferably 30% by mass or more, even more preferably 40% by mass or more, and may even be 70 or 85% by mass or more. Furthermore, the content of the structural units derived from (meth)acrylic monomers may be 100% by mass or less, or may even be 90% by mass or less. By adjusting the content of the structural units derived from (meth)acrylic monomers within the above range, the wet rub fastness of the resulting transfer product is further improved. From the above viewpoints, the content of the structural units derived from (meth)acrylic monomers is preferably 20 to 100% by mass, more preferably 30 to 100% by mass, even more preferably 40 to 100% by mass, particularly preferably 70 to 90% by mass, and most preferably 85 to 90% by mass.

[0081] Examples of the (meth)acrylic monomer include monofunctional (meth)acrylates and polyfunctional (meth)acrylates.

[0082] Examples of the monofunctional (meth)acrylate include (meth)acrylic acid; alkyl (meth)acrylates such as methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, tert-butyl (meth)acrylate, sec-butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, n-octyl (meth)acrylate, 2-octyl (meth)acrylate, tridecyl (meth)acrylate, cyclohexyl (meth)acrylate, n-lauryl (meth)acrylate, dodecyl (meth)acrylate, stearyl (meth)acrylate, and isobornyl (meth)acrylate; Fluoroalkyl (meth)acrylates such as trifluoroethyl (meth)acrylate, tetrafluoropropyl (meth)acrylate, and octafluoropentyl (meth)acrylate; aralkyl (meth)acrylates such as benzyl (meth)acrylate, phenylethyl (meth)acrylate, methylbenzyl (meth)acrylate, and naphthylmethyl (meth)acrylate; hydroxyalkyl (meth)acrylates such as 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 3-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, and 4-hydroxybutyl (meth)acrylate; epoxy group-containing (meth)acrylates such as glycidyl (meth)acrylate and α-methylglycidyl (meth)acrylate; Alkoxyalkyl group-containing (meth)acrylates such as methoxyethyl (meth)acrylate, methoxybutyl (meth)acrylate, ethoxybutyl (meth)acrylate, and trimethylolpropane tripropoxy (meth)acrylate; silyl group-containing (meth)acrylates such as γ-(meth)acryloyloxypropyltrimethoxysilane, γ-(meth)acryloyloxypropylhydroxysilane, and γ-(meth)acryloyloxypropylmethylhydroxysilane;Carbonyl group-containing (meth)acrylates such as (meth)acryloxyalkylpropenal, acetonyl (meth)acrylate, diacetone (meth)acrylate, 2-hydroxypropyl (meth)acrylate acetylacetate, butanediol-1,4-acrylate acetylacetate, and 2-(acetoacetoxy)ethyl (meth)acrylate; aziridinyl group-containing (meth)acrylates such as (meth)acryloylaziridine and 2-aziridinylethyl (meth)acrylate; oxo group-containing (meth)acrylates such as ethylene glycol (meth)acrylate, ethylene glycol methoxy (meth)acrylate, diethylene glycol (meth)acrylate, and (di)ethylene glycol (methoxy) (meth)acrylate; Piperidine group-containing (meth)acrylates such as 4-(meth)acryloyloxy-2,2,6,6-tetramethylpiperidine and 4-(meth)acryloyloxy-1,2,2,6,6-pentamethylpiperidine; and the like, and one or more of these may be selected and used.

[0083] Among these, the monofunctional (meth)acrylate preferably contains (meth)acrylic acid and / or an alkyl (meth)acrylate, and more preferably contains (meth)acrylic acid and an alkyl (meth)acrylate. The alkyl (meth)acrylate preferably contains an alkyl (meth)acrylate having an alkyl group with 1 to 18 carbon atoms, and more preferably contains an alkyl (meth)acrylate having an alkyl group with 4 to 12 carbon atoms. It is also a preferred embodiment to use two or more alkyl (meth)acrylates having different carbon numbers in combination. For example, there may be mentioned a combination of an alkyl(meth)acrylate having 1 to 3 carbon atoms and an alkyl(meth)acrylate having 4 to 18 carbon atoms, a combination of an alkyl(meth)acrylate having 4 to 6 carbon atoms and an alkyl(meth)acrylate having 7 to 18 carbon atoms, and a combination of an alkyl(meth)acrylate having 1 to 3 carbon atoms, an alkyl(meth)acrylate having 4 to 6 carbon atoms and an alkyl(meth)acrylate having 7 to 18 carbon atoms.

[0084] The content of the monofunctional (meth)acrylate-derived structural units relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin is preferably 20% by mass or more, more preferably 30% by mass or more, and even more preferably 40% by mass or more. Furthermore, the content of the monofunctional (meth)acrylate-derived structural units may be 100% by mass or less, or may be 90% by mass or less. From the above viewpoints, the content of the monofunctional (meth)acrylate-derived structural units is preferably 20 to 100% by mass, more preferably 30 to 100% by mass, and even more preferably 40 to 90% by mass.

[0085] Examples of the polyfunctional (meth)acrylate include di(meth)acrylates of polyhydric alcohols having 1 to 10 carbon atoms, such as ethylene glycol di(meth)acrylate, propylene glycol di(meth)acrylate, 1,3-butanediol di(meth)acrylate, 1,4-butanediol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, ethylene oxide-modified 1,6-hexanediol di(meth)acrylate, 1,9-nonanediol di(meth)acrylate, propylene oxide-modified neopentyl glycol di(meth)acrylate, and tripropylene glycol di(meth)acrylate; Alkyl di(meth)acrylates having an added mole number of alkylene oxide groups of 2 to 4 carbon atoms of 2 to 50, such as polyethylene glycol di(meth)acrylate having an added mole number of ethylene oxide of 2 to 50, polypropylene glycol di(meth)acrylate having an added mole number of propylene oxide of 2 to 50, and tripropylene glycol di(meth)acrylate; tri(meth)acrylates of polyhydric alcohols having 1 to 10 carbon atoms, such as ethoxylated glycerin tri(meth)acrylate, propylene oxide-modified glycerol tri(meth)acrylate, ethylene oxide-modified trimethylolpropane tri(meth)acrylate, trimethylolpropane tri(meth)acrylate, pentaerythritol monohydroxytri(meth)acrylate, and trimethylolpropane triethoxytri(meth)acrylate; Tetra(meth)acrylates of polyhydric alcohols having 1 to 10 carbon atoms, such as pentaerythritol tetra(meth)acrylate, dipentaerythritol tetra(meth)acrylate, and ditrimethylolpropane tetra(meth)acrylate; Penta(meth)acrylates of polyhydric alcohols having 1 to 10 carbon atoms, such as pentaerythritol penta(meth)acrylate and dipentaerythritol(monohydroxy)penta(meth)acrylate; Hexa(meth)acrylates of polyhydric alcohols having 1 to 10 carbon atoms, such as pentaerythritol hexa(meth)acrylate; Epoxy group-containing (meth)acrylates, such as bisphenol A di(meth)acrylate, 2-(2'-vinyloxyethoxyethyl)(meth)acrylate, and epoxy(meth)acrylate;Polyfunctional (meth)acrylates such as urethane (meth)acrylates can be used alone or in combination of two or more.

[0086] The content of the structural unit derived from the polyfunctional (meth)acrylate relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin is preferably 10% by mass or less, more preferably 5% by mass or less, and even more preferably 1% by mass or less.

[0087] The acrylic resin preferably has a structural unit derived from an acid group-containing monomer. By including a structural unit derived from an acid group-containing monomer in the acrylic resin, the stability of the acrylic resin is improved. The structural unit derived from the acid group-containing monomer may be included in the acrylic resin alone or in combination of two or more types.

[0088] The acid group-containing monomer may have at least one acid group and at least one polymerizable unsaturated group in the molecule. Examples of the acid group include a sulfo group and a carboxy group, with a carboxy group being preferred. The acid group-containing monomer may be the above-mentioned (meth)acrylic acid or another acid group-containing monomer. Specific examples of the acid group-containing monomer include unsaturated monocarboxylic acids such as (meth)acrylic acid, cinnamic acid, and crotonic acid; unsaturated dicarboxylic acids such as maleic acid, fumaric acid, itaconic acid, and citraconic acid; monoesters of unsaturated dicarboxylic acids such as maleic acid monomethyl ester, maleic acid monobutyl ester, itaconic acid monomethyl ester, and itaconic acid monobutyl ester; anhydrides of unsaturated dicarboxylic acids such as maleic anhydride; 2-acryloyloxyethyl succinic acid, 2-acryloyloxyethyl phthalic acid, and 2-acryloyloxyethyl hexahydrophthalic acid. Among these, unsaturated monocarboxylic acids are preferred, and (meth)acrylic acid is more preferred.

[0089] When the acrylic resin contains structural units derived from acid group-containing monomers, the content of the structural units derived from the acid group-containing monomers relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, and even more preferably 1.0% by mass or more. Furthermore, the content of the structural units derived from the acid group-containing monomers is preferably 5% by mass or less, more preferably 4% by mass or less, and even more preferably 3% by mass or less. From the above viewpoints, the content of the structural units derived from the acid group-containing monomers is preferably 0.1 to 5% by mass, more preferably 0.5 to 4% by mass, and even more preferably 1.0 to 3% by mass.

[0090] The acrylic resin may further contain a structural unit derived from a styrene-based monomer. The total content of the structural units derived from (meth)acrylic monomers and the structural units derived from styrene-based monomers relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin is preferably 50% by mass or more, more preferably 80% by mass or more, even more preferably 95% by mass or more, and may even be 100% by mass. From the above-mentioned viewpoints, the total content of the structural units derived from (meth)acrylic monomers and the structural units derived from styrene-based monomers is preferably 50 to 100% by mass, more preferably 80 to 100% by mass, and even more preferably 95 to 100% by mass.

[0091] Examples of the styrene-based monomer include styrene, α-methylstyrene, p-methylstyrene, tert-methylstyrene, chlorostyrene, vinyltoluene, 2-styrylethyltrimethoxysilane, and divinylbenzene, and one or more of these may be selected and used. The styrene-based monomer may have a functional group, such as an alkyl group (e.g., a methyl group or a tert-butyl group), a nitro group, a nitrile group, an alkoxyl group, an acyl group, a sulfone group, a hydroxyl group, or a halogen atom, present on the benzene ring constituting the styrene-based monomer. Among the styrene-based monomers, styrene is preferred from the viewpoint of enhancing water resistance.

[0092] The content of the styrene-based monomer-derived structural units relative to the total 100% by mass of structural units derived from all monomer components constituting the acrylic resin may be, for example, 10% by mass or more, or may be 30% by mass or more. Furthermore, the content of the styrene-based monomer-derived structural units is preferably 80% by mass or less, more preferably 70% by mass or less, and even more preferably 60% by mass or less. From the above viewpoints, the content of the styrene-based monomer-derived structural units is preferably 10 to 80% by mass, more preferably 10 to 70% by mass, and even more preferably 30 to 60% by mass.

[0093] The acrylic resin may further have one or more structural units derived from a monomer other than a (meth)acrylic monomer, an acid group-containing monomer, and a styrene monomer (hereinafter, sometimes referred to as "other monomer").

[0094] The other monomer is not particularly limited as long as it has at least one polymerizable unsaturated group in the molecule, and examples thereof include addition-polymerizable oxazolines such as 2-vinyl-2-oxazoline, 2-vinyl-4-methyl-2-oxazoline, 2-vinyl-5-methyl-2-oxazoline, 2-isopropenyl-2-oxazoline, 2-isopropenyl-4-methyl-2-oxazoline, 2-isopropenyl-5-methyl-2-oxazoline, and 2-isopropenyl-5-ethyl-2-oxazoline; vinyl monomers such as vinyl acetate, vinyl chloride, and vinyl benzoate; acrylonitrile; (meth)acrylamide monomers such as (meth)acrylamide, N-monomethyl(meth)acrylamide, N-monoethyl(meth)acrylamide, and N,N-dimethyl(meth)acrylamide; and olefin monomers such as ethylene and propylene.

[0095] The acrylic resin can be produced by a conventionally known polymerization method, such as solution polymerization, bulk polymerization, suspension polymerization, or emulsion polymerization. Among these, emulsion polymerization is preferred. According to the emulsion polymerization method, an emulsion in which the acrylic resin is dispersed in an aqueous solvent as emulsion particles is obtained.

[0096] The polyester resin is not particularly limited as long as it is a polymer having an ester bond in the main chain, but is preferably a condensation polymer of an aromatic dicarboxylic acid and a diol compound. Examples of the aromatic dicarboxylic acid include phthalic acid, isophthalic acid, and terephthalic acid. Examples of the diol compound include aliphatic diols such as ethylene glycol, 1,2-propanediol, 1,3-propanediol, and neopentyl glycol; aromatic alcohols such as alkylene oxide adducts of bisphenol A, such as polyoxypropylene-2,2-bis(4-hydroxyphenyl)propane and polyoxyethylene-2,2-bis(4-hydroxyphenyl)propane; and hydrogenated bisphenol A or its alkylene oxide (having 2 to 4 carbon atoms) (average number of added moles: 1 to 16) adducts.

[0097] An aliphatic polybasic acid may be added to the polyester resin for the purpose of improving fluidity. Examples of the aliphatic polybasic acid include saturated aliphatic dicarboxylic acids or anhydrides thereof, such as succinic acid, succinic anhydride, glutaric acid, adipic acid, azelaic acid, sebacic acid, dodecanedioic acid, and 1,4-cyclohexanedicarboxylic acid; unsaturated aliphatic dicarboxylic acids or anhydrides thereof, such as fumaric acid, maleic acid, maleic anhydride, itaconic acid, itaconic anhydride, citraconic acid, and citraconic anhydride; and tri- or higher functional aliphatic carboxylic acids, such as 1,2,3,4-butanetetracarboxylic acid.

[0098] The polyester resin may be a synthetic resin or a commercially available product, such as Vylonal series (manufactured by Toyobo Co., Ltd.) including MD1335 and MD1480, and Elitel series (manufactured by Unitika Ltd.) including KT-0507, KT-8904, KT-8701, and KT-9204.

[0099] The urethane resin is a resin having a urethane bond. In addition to the urethane bond, the urethane resin may be a polyether urethane resin having an ether bond in the main chain, a polyester urethane resin having an ester bond in the main chain, or a polycarbonate urethane resin having a carbonate bond in the main chain.

[0100] The urethane-based resin may be an appropriately synthesized resin or a commercially available product, such as Superflex 300, Superflex 420, Superflex 460, Superflex 460S, Superflex 470, Superflex 740 (glass transition temperature: −34° C.), Superflex 150HS (manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.), DAOTAN TW6493 / 35WA (manufactured by Daicel-Allnex Corporation), Takelac W-6061 (manufactured by Mitsui Chemicals, Inc.), UW-1701F (manufactured by Ube Industries, Ltd.), Permarin UA-150, or U-coat DA-200 (manufactured by Sanyo Chemical Industries, Ltd.).

[0101] In the adhesive ink, the resin is preferably contained as emulsion particles. The shape of the emulsion particles is not particularly limited, but they are usually spherical. The shape can be measured using a transmission electron microscope or a scanning electron microscope. The emulsion particles may have a single-layer structure or a multi-layer structure (e.g., a core-shell structure).

[0102] The average particle size of the emulsion particles is preferably 50 nm or more, more preferably 80 nm or more, and even more preferably 100 nm or more. The average particle size of the emulsion particles is preferably 500 nm or less, more preferably 450 nm or less, even more preferably 400 nm or less, even more preferably 350 nm or less, and particularly preferably 300 nm or less. Adjusting the average particle size of the emulsion particles within the above range facilitates blending a high concentration of emulsion particles while maintaining the viscosity of the adhesive ink within an appropriate range. From the above viewpoints, the average particle size of the emulsion particles is preferably 50 to 500 nm, more preferably 80 to 450 nm, even more preferably 100 to 400 nm, even more preferably 100 to 350 nm, and particularly preferably 100 to 300 nm. The average particle size of the emulsion particles may be determined by the cumulant average particle size measured by dynamic light scattering, as shown in the examples described below.

[0103] The content of the resin (preferably emulsion particles) in the adhesive ink is, for example, 10% by mass or more, preferably 15% by mass or more, more preferably 18% by mass or more, and even more preferably 20% by mass or more, and is, for example, 35% by mass or less, preferably 30% by mass or less, and more preferably 25% by mass or less. By adjusting the resin content within the above range, the effects of the present invention can be further enhanced while maintaining the viscosity of the adhesive ink within an appropriate range. From the above viewpoints, the content of the resin is preferably 10 to 35% by mass, more preferably 15 to 30% by mass, even more preferably 18 to 25% by mass, and particularly preferably 20 to 25% by mass.

[0104] The water and water-soluble organic solvent act as a diluent to adjust the viscosity of the adhesive ink. The total content of water and water-soluble organic solvent in the adhesive ink may be set according to the desired viscosity of the adhesive ink and is not particularly limited, but is, for example, 40 to 90% by mass, preferably 50 to 88% by mass, and more preferably 55 to 85% by mass.

[0105] Examples of the water-soluble organic solvent include lower alcohols such as methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, and tert-butyl alcohol; glycols such as propylene glycol, 1,3-propanediol, glycerin, dipropylene glycol, tripropylene glycol, diethylene glycol, triethylene glycol, and tetraethylene glycol; ethers of monoethylene glycol such as monoethylene glycol monomethyl ether, monoethylene glycol monoethyl ether, monoethylene glycol monopropyl ether, monoethylene glycol monoisopropyl ether, monoethylene glycol monobutyl ether, and monoethylene glycol monoisobutyl ether; ethers of monopropylene glycol such as monopropylene glycol monomethyl ether, monopropylene glycol monoethyl ether, monopropylene glycol monopropyl ether, monopropylene glycol monoisopropyl ether, monopropylene glycol monobutyl ether, and monopropylene glycol monoisobutyl ether; Ethers of diethylene glycol such as diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monopropyl ether, diethylene glycol monoisopropyl ether, diethylene glycol monobutyl ether, and diethylene glycol monoisobutyl ether; Ethers of dipropylene glycol such as dipropylene glycol monomethyl ether, dipropylene glycol monoethyl ether, dipropylene glycol monopropyl ether, dipropylene glycol monoisopropyl ether, dipropylene glycol monobutyl ether, and dipropylene glycol monoisobutyl ether;ethers of polyethylene glycol such as monomethyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4), monoethyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4), monopropyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4), monoisopropyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4), monobutyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4), and monoisobutyl ether of polyethylene glycol (number of moles of added EO=2 to 10, preferably 2 to 4); ethers of polypropylene glycol such as monomethyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4), monoethyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4), monopropyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4), monoisopropyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4), monobutyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4), and monoisobutyl ether of polypropylene glycol (number of moles of EO added=2 to 10, preferably 2 to 4); heterocycles such as 2-pyrrolidone and N-methyl-2-pyrrolidone; ketones such as acetone and methyl ethyl ketone;

[0106] The inclusion of a water-soluble organic solvent in the adhesive ink can improve moisture retention and compatibility with the resin. The water-soluble organic solvent may be used alone or in combination of two or more. The content of the water-soluble organic solvent is preferably 10 to 55 parts by mass, more preferably 15 to 45 parts by mass, per 100 parts by mass of water contained in the adhesive ink.

[0107] In particular, from the viewpoint of further enhancing moisture retention, water-soluble organic solvents having a boiling point of 150°C or higher are preferred, water-soluble organic solvents having a boiling point of 180°C or higher are more preferred, and water-soluble organic solvents having a boiling point of 200°C or higher are even more preferred. Examples of water-soluble organic solvents having a boiling point of 150°C or higher include propylene glycol, diethylene glycol, triethylene glycol, and glycerin. The content of the water-soluble organic solvent that further enhances moisture retention is preferably 10 to 50 parts by mass, and more preferably 15 to 40 parts by mass, per 100 parts by mass of water contained in the adhesive ink.

[0108] Furthermore, from the viewpoint of further improving compatibility with the resin, a water-soluble organic solvent having a hydrophobic group and a hydroxyl group is preferred, and among these, at least one selected from the group consisting of diethylene glycol monoisopropyl ether, diethylene glycol monobutyl ether, diethylene glycol monoisobutyl ether, monobutyl ether of polyethylene glycol (EO addition moles = 2 to 4) (particularly triethylene glycol monobutyl ether), and monomethyl ether of polypropylene glycol (EO addition moles = 2 to 10, preferably 2 to 4) (particularly tripropylene glycol monomethyl ether) is preferred. The content of the water-soluble organic solvent, which further improves compatibility, is preferably 1 to 15 parts by mass, more preferably 2 to 8 parts by mass, per 100 parts by mass of water contained in the adhesive ink.

[0109] The total content of the resin, water, and water-soluble organic solvent in the adhesive ink is not particularly limited, but is, for example, 70% by mass or more, preferably 85% by mass or more, and more preferably 95% by mass or more. The total content may be 100% by mass or 99.5% by mass or less. From the above viewpoints, the total content of the resin, water, and water-soluble organic solvent is preferably 70 to 100% by mass, more preferably 85 to 100% by mass, and even more preferably 95 to 99.5% by mass.

[0110] The adhesive ink may further contain a crosslinking agent. The use of a crosslinking agent is thought to result in the formation of a crosslinked structure through interaction with components contained in the adhesive ink, such as a resin, or through a chemical reaction, thereby forming a tough coating film, which is believed to further improve the wet rub fastness and washing fastness of the resulting transfer.

[0111] Examples of the crosslinking agent include an isocyanate compound, an epoxy compound, a melamine compound, a metal chelate compound, an aziridine compound, a mercapto compound, and an oxazoline compound, and preferably an oxazoline compound. The crosslinking agent may be used alone or in combination of two or more.

[0112] The oxazoline compound as the crosslinking agent means a compound having two or more oxazoline groups in the molecule. Examples of the oxazoline compound include 2,2'-bis(2-oxazoline), 2,2'-methylene-bis(2-oxazoline), 2,2'-ethylene-bis(2-oxazoline), 2,2'-trimethylene-bis(2-oxazoline), 2,2'-tetramethylene-bis(2-oxazoline), 2,2'-hexamethylene-bis(2-oxazoline), 2,2'-octamethylene-bis(2-oxazoline), and 2,2'-ethylene-bis(4 ,4'-dimethyl-2-oxazoline), 2,2'-p-phenylene-bis(2-oxazoline), 2,2'-m-phenylene-bis(2-oxazoline), 2,2'-m-phenylene-bis(4,4'-dimethyl-2-oxazoline), bis(2-oxazolinylcyclohexane) sulfide, bis(2-oxazolinylnorbornane) sulfide, oxazoline group-containing polymers, and the like are not limited to these examples.

[0113] Among the above oxazoline compounds, water-soluble oxazoline compounds are preferred from the viewpoint of excellent crosslinking performance, and oxazoline group-containing polymers are also preferred. The oxazoline group-containing polymers can be produced by conventionally known production methods. For example, a method of polymerizing a monomer component containing one or more addition-polymerizable oxazolines, or an addition-polymerizable oxazoline and a monomer copolymerizable with the addition-polymerizable oxazoline, is exemplified. The copolymerizable monomer is preferably a monomer that does not have a functional group reactive with the oxazoline group and is copolymerizable with the addition-polymerizable oxazoline. Examples of the above monomer components include monomers that do not have a functional group reactive with the oxazoline group. Examples include (meth)acrylic monomers such as alkyl (meth)acrylates; styrene-based monomers such as styrene, α-methylstyrene, and chloromethylstyrene; vinyl-based monomers such as vinyl acetate, vinyl chloride, and vinyl benzoate; acrylonitrile; (meth)acrylamide-based monomers such as acrylamide; and olefin-based monomers such as ethylene and propylene.

[0114] Examples of the addition-polymerizable oxazoline include compounds having a polymerizable unsaturated group and an oxazoline group in the molecule, such as 2-vinyl-2-oxazoline, 2-vinyl-4-methyl-2-oxazoline, 2-vinyl-5-methyl-2-oxazoline, 2-isopropenyl-2-oxazoline, 2-isopropenyl-4-methyl-2-oxazoline, 2-isopropenyl-5-methyl-2-oxazoline, and 2-isopropenyl-5-ethyl-2-oxazoline.

[0115] Among the oxazoline group-containing polymers, water-soluble oxazoline group-containing polymers are preferred, and can be produced by the same method as the above-mentioned method for producing the oxazoline group-containing polymer. Examples of the water-soluble oxazoline group-containing polymer include polymers having an acrylic resin or the like as a main chain and containing oxazoline groups in side chains.

[0116] Commercially available oxazoline group-containing polymers can also be used. Examples include water-soluble polymers such as EPOCROS WS-500 and EPOCROS WS-700, manufactured by Nippon Shokubai Co., Ltd., and emulsion polymers such as EPOCROS K-2010, EPOCROS K-2020, and EPOCROS K-2030. Of these, the water-soluble polymers EPOCROS WS-500 and EPOCROS WS-700 are preferred.

[0117] The content of the crosslinking agent (preferably, an oxazoline compound) is not particularly limited, but is preferably 0.05 to 10 parts by mass, more preferably 0.1 to 8 parts by mass, and even more preferably 0.2 to 5 parts by mass, relative to 100 parts by mass of the resin.

[0118] The adhesive ink may further contain a surfactant. The use of a surfactant makes it possible to adjust the surface tension to a level suitable for inkjet ejection. The content of the surfactant is not particularly limited, but is preferably 0.01 to 2% by mass, and more preferably 0.1 to 1% by mass, relative to 100% by mass of the adhesive ink.

[0119] As the surfactant, for example, an acetylene glycol surfactant, a silicone surfactant, a fluorine surfactant, etc. are preferably used. Among these, a silicone surfactant is more preferable, and a polyether-modified silicone surfactant is even more preferable.

[0120] The adhesive ink may contain other components in addition to the components described above, provided that the object of the present invention is not impaired. For example, the adhesive ink may contain appropriate amounts of additives such as dispersants, leveling agents, UV absorbers, UV stabilizers, thickeners, wetting agents, plasticizers, stabilizers, antifoaming agents, pigments, dyes, antioxidants, crosslinking accelerators, pH adjusters, preservatives, chain transfer agents, and chelating agents.

[0121] When the other components are added, their content is not particularly limited, but is preferably 2% by mass or less, and more preferably 1% by mass or less, relative to 100% by mass of the adhesive ink. To achieve the desired effect, the content is preferably 0.01% by mass or more, and more preferably 0.05% by mass or more. From the above viewpoints, the content of the other components is preferably 0.01 to 2% by mass, and more preferably 0.05 to 1% by mass.

[0122] The adhesive ink is preferably a clear ink. This allows for an adhesive layer with excellent adhesion to be obtained and does not affect the appearance of the image after transfer. In this specification, clear ink means an ink that does not substantially contain a colorant. For example, the content of colorant in 100% by mass of the adhesive ink is 0.1% by mass or less, and preferably the adhesive ink does not contain a colorant. On the other hand, the adhesive ink may be a white ink in order to enhance the color development of the image, or a color ink in order to make the adhesive layer a colored layer.

[0123] <1-3. First Heating Step> The first heating step is a step of drying the adhesive ink. The first heating step is a step of evaporating a portion of the components (i.e., solvent) excluding the solid content of the colorant-containing ink and the adhesive ink printed on the colorant-containing ink.

[0124] The device for performing the first heating step (also referred to as the first heating device) is not particularly limited, and examples thereof include contact heating devices such as platen heaters and rubber heaters, and non-contact heating devices such as hot air heaters, infrared heaters, and halogen heaters. From the viewpoint of uniform drying, the first heating step is preferably performed using a contact heating device, and more preferably using a platen heater. Furthermore, from the viewpoint of suppressing temperature unevenness within the coating film, it is preferable to use a non-contact heating device in addition to the contact heating device in the first heating step. For example, the first heating step may be performed using a non-contact heating device provided in the carriage unit in addition to the platen heater, or may be performed using a large non-contact heating device that covers the platen heater. For example, the colorant-containing ink and adhesive ink can be dried by heating the recording medium from the back side using a platen heater. Additionally, the recording medium may be heated from the front side using a halogen heater provided in the carriage unit. This allows the ink coating film to be dried from both the front and back sides.

[0125] The material of the platen portion of the platen heater is preferably metal, and more preferably aluminum. Aluminum has high thermal conductivity, which can prevent uneven temperature during heating. This allows the ink to be heated uniformly, which reduces the occurrence of unevenness in the image and adhesive layer and improves the smoothness of the printed material.

[0126] The amount of solvent evaporation can be adjusted by controlling the heating temperature, heating time, hot air temperature, air volume, etc. The heating temperature in the first heating step is preferably 30°C or higher, more preferably 40°C or higher, from the viewpoint of shortening the heating time. Furthermore, if the heating temperature is too high, heat may be transferred to the inkjet head, causing nozzle clogging. Therefore, the heating temperature is preferably 100°C or lower, more preferably 90°C or lower, even more preferably 80°C or lower, and particularly preferably 70°C or lower. By setting the heating temperature in the first heating step within this range, the water-based adhesive ink does not boil during the first heating step, and the adhesive layer can be formed without cracking. From the above viewpoints, the heating temperature in the first heating step is preferably 30 to 100°C, more preferably 30 to 90°C, even more preferably 40 to 80°C, and particularly preferably 40 to 70°C.

[0127] The heating time in the first heating step is preferably 20 seconds or more, more preferably 40 seconds or more, and even more preferably 1 minute or more, from the viewpoint of sufficient evaporation of the solvent. Furthermore, the heating time in the first heating step is preferably 10 minutes or less, more preferably 7 minutes or less, and even more preferably 5 minutes or less, from the viewpoint of productivity. From the above viewpoints, the heating time in the first heating step is preferably 20 seconds to 10 minutes, more preferably 40 seconds to 7 minutes, and even more preferably 1 minute to 5 minutes.

[0128] The first heating step may be carried out simultaneously with the adhesive ink application step, or after the adhesive ink application step, or both simultaneously with the adhesive ink application step and after the adhesive ink application step. By carrying out the first heating step simultaneously with the adhesive ink application step, the adhesive ink coating can be dried efficiently. When the first heating step is carried out simultaneously with the adhesive ink application step, it may be carried out continuously from the start to the end of the adhesive ink application step, or may be carried out intermittently, but it is preferable to carry out it continuously.

[0129] <1-4. Second Heating Step> The second heating step is a step of further drying the adhesive ink after the first heating step to obtain an adhesive layer. The second heating step can also be said to be a step of further evaporating components excluding solids (i.e., solvent) in the colorant-containing ink and the adhesive ink printed on the colorant-containing ink. In this specification, the adhesive layer refers to a layer obtained by drying the adhesive ink layer (adhesive ink coating).

[0130] The device for performing the second heating step (also referred to as a second heating device) is not particularly limited, and examples thereof include contact heating devices such as a platen heater and a rubber heater, and non-contact heating devices such as a hot air heater, an infrared heater and a halogen heater. The second heating step is preferably performed by a non-contact heating device.

[0131] The first heating device and the second heating device may be separate, independent devices. In this case, the first heating device and the second heating device may be connected by a transport path for transporting the recording medium. For example, in the first heating step, the recording medium may be heated from the back side by a contact heating device, and in the second heating step, the recording medium may be heated from the front side by a non-contact heating device. This allows the ink coating to be dried from both the front and back sides.

[0132] Alternatively, the first heating device and the second heating device may be configured as a single device, and the first heating step and the second heating step may be performed within the single device. When the first heating device and the second heating device are configured as a single device, the single device may be configured to increase the temperature stepwise along the transport path. In this case, if the difference between the minimum temperature and the maximum temperature is 40°C or more, it can be said that the first heating step and the second heating step are being performed.

[0133] The heating temperature of the recording medium in the second heating step is at least 40°C higher than the heating temperature of the recording medium in the first heating step, preferably at least 50°C higher, more preferably at least 60°C higher, and particularly preferably at least 70°C higher. The upper limit of the difference between the heating temperature of the recording medium in the second heating step and the heating temperature of the recording medium in the first heating step may be, for example, 130°C or lower, preferably 100°C or lower, and more preferably 90°C or lower. From the above viewpoints, the difference between the heating temperature of the recording medium in the second heating step and the heating temperature of the recording medium in the first heating step is preferably 40 to 130°C, more preferably 50 to 100°C, even more preferably 60 to 100°C, and particularly preferably 70 to 90°C.

[0134] The heating temperature in the second heating step may be, for example, 100°C or higher or more than 100°C, and from the viewpoint of shortening the heating time, it is preferably 130°C or higher, more preferably 135°C or higher, and even more preferably 140°C or higher. Furthermore, from the viewpoint of suppressing deformation of the recording medium, the heating temperature in the second heating step is preferably 180°C or lower, more preferably 170°C or lower, and even more preferably 160°C or lower. From the above viewpoints, the heating temperature in the second heating step is preferably 100 to 180°C, more preferably more than 100°C and 180°C or lower, even more preferably 130 to 170°C, particularly preferably 135 to 160°C, and most preferably 140 to 160°C.

[0135] The heating time in the second heating step is preferably 1 minute or more, more preferably 2 minutes or more, and even more preferably 3 minutes or more, from the viewpoint of obtaining an adhesive layer from which the solvent has sufficiently evaporated. Furthermore, the heating time in the second heating step is preferably 20 minutes or less, more preferably 15 minutes or less, and even more preferably 10 minutes or less, from the viewpoint of productivity. From the above viewpoints, the heating time in the second heating step is preferably 1 minute to 20 minutes, more preferably 2 minutes to 15 minutes, and even more preferably 3 minutes to 10 minutes.

[0136] In the second heating step, it is preferable to perform suction drying together with heating. That is, the second heating device may be equipped with a suction drying device. This allows moisture to be quickly discharged to the outside, contributing to shortening the time required for drying and improving productivity. It is more preferable to combine heating by an infrared heater with suction drying.

[0137] The thickness of the adhesive layer is not particularly limited, but is preferably 0.5 μm or more, more preferably 2 μm or more, even more preferably 5 μm or more or more than 5 μm, and particularly preferably 8 μm or more, in terms of film thickness after drying. By adjusting the adhesive layer to the above thickness, the transferability and wet friction fastness of the resulting transferred product are improved. Furthermore, from the viewpoint of improving the texture of the resulting transferred product, the thickness of the adhesive layer is preferably 200 μm or less, more preferably 150 μm or less, even more preferably 100 μm or less, and may even be 50 μm or less. From the above viewpoints, the thickness of the adhesive layer is preferably 0.5 to 200 μm, more preferably 2 to 150 μm, even more preferably 5 to 100 μm, even more preferably more than 5 μm and less than 100 μm, and particularly preferably 8 to 50 μm.

[0138] It is preferable that the recording medium be transported substantially flat throughout the image forming process, adhesive ink application process, first heating process, and second heating process. "Transporting substantially flat" refers to the height of the recording medium transport path being approximately the same throughout the image forming process, adhesive ink application process, first heating process, and second heating process. In other words, it is preferable that the recording medium be transported substantially horizontally. This reduces the likelihood of unevenness occurring in the image and adhesive layer, improving the smoothness of the recorded material. For example, throughout the image forming process, adhesive ink application process, first heating process, and second heating process, the difference in height of the recording medium transport path relative to the horizontal plane is preferably 3 cm or less, more preferably 2 cm or less, and even more preferably 1 cm or less. The difference in height of the transport path refers to the difference between the highest and lowest positions of the transport path.

[0139] The conveying speed of the recording medium is preferably 8 cm / min or more. This further improves productivity. The conveying speed of the recording medium is also preferably 64 cm / min or less. When attempting to sufficiently dry the adhesive layer at a high conveying speed, it is necessary to increase the heating time, i.e., the residence time in the heating device, which may require the heating device to be enlarged. If the conveying speed is 64 cm / min or less, the heating device can be made smaller. The conveying speed of the recording medium is preferably 8 to 64 cm / min, more preferably 10 to 60 cm / min, and even more preferably 15 to 55 cm / min.

[0140] After the second heating step, a step of winding up the recorded material (winding up step) can be carried out. That is, a winding up device can be provided downstream of the second heating device. Preferably, the image forming step, adhesive ink application step, first heating step, second heating step, and winding up step are carried out as a series of operations (continuously). This further improves productivity.

[0141] 2. Apparatus for Producing Recorded Matter An apparatus for producing recorded matter according to one aspect of the present invention includes a colorant-containing ink head for depositing ink containing a colorant onto a recording medium by an inkjet method to form an image, an adhesive ink head for depositing adhesive ink onto the image by an inkjet method, a first heating device for drying the adhesive ink, and a second heating device for further drying the adhesive ink after drying in the first heating device to obtain an adhesive layer, and the amount of adhesive ink deposited by the adhesive ink head is 3.0 mg / cm ２ The heating temperature of the recording medium in the second heating device is 40° C. or more higher than the heating temperature of the recording medium in the first heating device.

[0142] The manufacturing apparatus can suitably carry out the above-mentioned manufacturing method. The matters explained in [1. Manufacturing method of recorded matter] can also be applied to the manufacturing apparatus of recorded matter, so further explanation will be omitted below. The manufacturing apparatus can be an inkjet ejection apparatus.

[0143] An example of an inkjet ejection device as the manufacturing apparatus will be described below with reference to Figures 1 and 2. The inkjet ejection device 10 in Figure 1 includes inkjet heads: a color ink head 1, a white ink head 2, and an adhesive ink head 3, as well as a first heating device 5 and a second heating device 6. The inkjet ejection device 10 may include a transport path for transporting a recording medium 4. The color ink head 1 and the white ink head 2 correspond to heads for inks containing coloring materials. The color ink head 1, the white ink head 2, and the adhesive ink head 3 are provided in this order along the transport direction of the recording medium 4. Although Figure 1 shows one adhesive ink head 3, two or more may be provided.

[0144] The inkjet ejection device 10 transports the recording medium 4 along the transport path, while performing a color ink application process using the color ink head 1, a white ink application process using the white ink head 2, and an adhesive ink application process using the adhesive ink head 3. Furthermore, a first heating process can be performed using the first heating device 5, and a second heating process can be performed using the second heating device 6. The recording medium 4 is transported in a direction from the first heating device 5 to the second heating device 6. The first heating device 5 and the second heating device 6 can be connected by a transport path for transporting the recording medium 4. In FIG. 1 , the first heating device 5 is illustrated as a contact heating device that heats the recording medium 4 from the back side, and the second heating device 6 is illustrated as a non-contact heating device. Furthermore, an image drying process can also be performed by the first heating device 5.

[0145] As described above, it is preferable that the recording medium be transported substantially flat throughout the image forming process performed by the colorant-containing ink head, the adhesive ink application process performed by the adhesive ink head, the first heating process performed by the first heating device, and the second heating process performed by the second heating device. Furthermore, throughout the image forming process, adhesive ink application process, first heating process, and second heating process, the difference in height of the recording medium transport path relative to the horizontal plane is preferably 3 cm or less, more preferably 2 cm or less, and even more preferably 1 cm or less.

[0146] Printing by the inkjet head may be either a multi-pass method or a single-pass method, but is preferably a multi-pass method.

[0147] Figure 2 is a diagram showing the arrangement of inkjet heads in an inkjet ejection device, viewed from a direction perpendicular to the operating direction of the inkjet heads and the transport direction of the recording medium. In Figure 2, the operating direction of the inkjet heads and the transport direction of the recording medium are perpendicular to each other. Figure 2 shows two adhesive ink heads 3 (adhesive ink heads 3a and 3b). When there is one color ink head 1 and one white ink head 2, the number of adhesive ink heads 3 is preferably one to two, and more preferably two.

[0148] In Figure 2, the color ink head 1 has a nozzle 71, the white ink head 2 has a nozzle 72, the adhesive ink head 3a has a nozzle 73a, and the adhesive ink head 3b has a nozzle 73b. The number of nozzles in the adhesive ink head 3 is preferably 2 to 4 times the number of nozzles in the color ink head 1. Furthermore, the number of nozzles in the adhesive ink head 3 is preferably 1 to 2 times the number of nozzles in the white ink head 2. This allows for a larger ejection volume from the adhesive ink head 3. Note that when there are multiple inkjet heads of each type, the number of nozzles refers to the total number of nozzles in the multiple inkjet heads. In the case of Figure 2, the number of nozzles in the adhesive ink head 3 refers to the total number of nozzles 73a and nozzles 73b.

[0149] In this specification, the distance between the downstream end of the white ink head 2 and the upstream end of the adhesive ink head 3 in the direction parallel to the transport direction of the recording medium is referred to as "distance A." In this specification, the terms "downstream" and "upstream" correspond to the downstream and upstream ends of the recording medium in the transport direction. When multiple white ink heads 2 are present, the "downstream end" refers to the end most downstream. When multiple adhesive ink heads 3 are present, the "upstream end" refers to the end most upstream. In FIG. 2 , distance A refers to the distance between the downstream end of the white ink head 2 and the upstream end of the adhesive ink head 3a. From the viewpoints of shortening the drying time and suppressing printing misalignment, distance A is preferably 1 to 20 cm, more preferably 2 to 10 cm, and even more preferably 3 to 5 cm.

[0150] In this specification, the distance between the upstream end of the color ink head 1 and the downstream end of the adhesive ink head 3 in the direction parallel to the transport direction of the recording medium is referred to as "distance B." When multiple color ink heads 1 are present, the "upstream end" refers to the most upstream end. When multiple adhesive ink heads 3 are present, the "downstream end" refers to the most downstream end. In Figure 2, distance B refers to the distance between the upstream end of the color ink head 1 and the downstream end of the adhesive ink head 3b. From the perspective of shortening the time required for drying and suppressing printing misalignment, distance B is preferably 15 to 50 cm, and more preferably 15 to 30 cm.

[0151] When multiple adhesive ink heads 3 are present, the positions of the multiple adhesive ink heads 3 in a direction parallel to the transport direction of the recording medium may or may not be offset from one another. In this specification, the distance representing the offset between the positions of the multiple adhesive ink heads 3 in a direction parallel to the transport direction of the recording medium is referred to as "distance C." The positions of the multiple adhesive ink heads 3 are based on the upstream end of each adhesive ink head 3. In FIG. 2, distance C refers to the distance between the upstream end of adhesive ink head 3a and the upstream end of adhesive ink head 3b. From the viewpoints of ease of drying and prevention of liquid flow (ink flow), distance C is preferably 0 to 10 cm, and more preferably greater than 0 cm and equal to or less than 10 cm.

[0152] [3. Method for manufacturing a transferred product] A method for manufacturing a transferred product according to one embodiment of the present invention includes the steps of contacting a recorded product having an image manufactured by the above-described method for manufacturing a recorded product with a transfer-receiving material and applying pressure and heat to transfer the image to the transfer-receiving material. This results in a transferred product having excellent adhesion of the image to the transfer-receiving material. The method for manufacturing a transferred product may include the steps of manufacturing a recorded product having an image by the above-described method for manufacturing a recorded product, and contacting the recorded product with a transfer-receiving material and applying pressure and heat to transfer the image to the transfer-receiving material. The matters described in [1. Method for manufacturing a recorded product] and [2. Apparatus for manufacturing a recorded product] can also be applied to the method for manufacturing a transferred product, so further description will be omitted below.

[0153] The transferred material is obtained by transferring the image provided on the recorded material to a transfer-receiving material, and includes the transfer-receiving material and the image provided thereon. The transfer-receiving material may be fabric. When the transfer-receiving material is fabric, the transferred material is also called a printed material.

[0154] The fabric used is not particularly limited and includes all textile products such as cloth, textile, etc. Examples of the fabric include woven fabric, nonwoven fabric, knitted fabric, etc. The fibers constituting the fabric are also not particularly limited and include, for example, natural fibers, chemical fibers, or mixtures thereof.

[0155] Examples of natural fibers include silk, cotton, and wool. Examples of chemical fibers include synthetic fibers, regenerated fibers, and semi-synthetic fibers. Examples of synthetic fibers include polyester fibers, nylon fibers, acrylic fibers, polyurethane fibers, polyethylene fibers, polypropylene fibers, and vinylon fibers. Examples of regenerated fibers include rayon. Examples of semi-synthetic fibers include acetate and triacetate. Among these, fabrics made from cotton, polyester fibers, polypropylene fibers, nylon fibers, or mixtures thereof are preferred.

[0156] The transfer method is not particularly limited, and any conventionally known method can be used. For example, the transfer preferably includes a step of bringing the surface of the recorded matter on which the adhesive layer is formed into contact with a transfer-receiving material in a state where the surface faces the transfer-receiving material, and a step of peeling the recording medium from the transfer-receiving material.

[0157] Examples of methods for applying pressure and heat include a method in which the recorded material is closely attached to the transfer material using a press or a heated drum, and then heat and press the material. The heating temperature during transfer is not particularly limited, but is preferably 80 to 200°C, and more preferably 100 to 180°C. The pressure during transfer is also not particularly limited, but is preferably 100 to 600 g / cm. ２ and more preferably 200 to 500 g / cm ２ From the viewpoint of further improving transferability, the contact time is preferably 1 second or more, more preferably 3 seconds or more. There are no particular limitations on the upper limit of the contact time, but from the viewpoint of productivity, it is preferably 1 minute or less, and more preferably 30 seconds or less. From the above viewpoint, the contact time is preferably 1 second to 1 minute, more preferably 3 seconds to 30 seconds.

[0158] The recording medium is peeled off from the transfer material to obtain a transferred product. From the viewpoint of reducing ink remaining on the recording medium, it is preferable to peel off the recording medium after the temperature of the transfer material has reached 60°C or less (particularly 40°C or less).

[0159] The resulting transferred product may be further heated and pressurized using a press or a heated drum. By subjecting the resulting transferred product to additional heating and pressurization treatment, the ink and the transfer material are more firmly bonded together, and wet friction resistance is further improved. The additional heating temperature is not particularly limited, but is preferably 80 to 200°C, and more preferably 100 to 180°C. The pressure in the additional pressurization is also not particularly limited, but is preferably 100 to 600 g / cm. ２ and more preferably 200 to 500 g / cm ２ The additional heating and pressurizing time is not particularly limited, but is preferably 1 second to 1 minute, and more preferably 3 seconds to 30 seconds.

[0160] In the additional heating and pressure treatment, force-in paper may be sandwiched between the transfer material and a press or heated drum. Force-in paper is also called a fabric pressing sheet, a finishing sheet, a re-press sheet, etc. The force-in paper is preferably a silicone film. Since the force-in paper changes shape to match the unevenness of the transfer material (e.g., fabric) during the additional heating and pressure treatment, it can press the ink into the transfer material, thereby improving transferability. Because the adhesive layer can have a smooth surface, the additional heating and pressure treatment using force-in paper can greatly contribute to the adhesion of the ink to the transfer material.

[0161] The present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. Embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention.

[0162] One embodiment of the present invention may include the following configuration: <1> An image forming process in which ink containing a coloring material is applied to a recording medium by an inkjet method to form an image, an adhesive ink applying process in which adhesive ink is applied to the image by an inkjet method, a first heating process in which the adhesive ink is dried, and a second heating process in which, after the first heating process, the adhesive ink is further dried to obtain an adhesive layer, wherein the amount of adhesive ink applied in the adhesive ink applying process is 3.0 mg / cm ２and the heating temperature of the recording medium in the second heating step is 40° C. or more higher than the heating temperature of the recording medium in the first heating step. <2> The method for producing a recorded product according to <1>, wherein the image forming step includes a color ink applying step of applying color inks to the recording medium by inkjet printing, and a white ink applying step of applying white ink onto a coating of the color inks on the recording medium by inkjet printing. <3> The method for producing a recorded product according to <1> or <2>, further including an image drying step of drying the image before the adhesive ink applying step. <4> The method for producing a recorded product according to any one of <1> to <3>, wherein the first heating step is performed by a platen heater. <5> The method for producing a recorded product according to any one of <1> to <4>, wherein the second heating step is performed by a non-contact heating device. <6> The method for producing a recorded product according to any one of <1> to <5>, wherein the first heating step is performed simultaneously with the adhesive ink applying step. <7> The method for producing a recorded matter according to any one of <1> to <6>, wherein the adhesive ink contains a resin, an aqueous organic solvent, and water. <8> The method for producing a recorded matter according to any one of <1> to <7>, wherein the adhesive ink contains one or more resins selected from the group consisting of acrylic resins and polyester resins. <9> The method for producing a recorded matter according to any one of <1> to <8>, wherein the adhesive ink contains a resin having a weight-average molecular weight of 10,000 to 700,000. <10> The method for producing a recorded matter according to any one of <1> to <9>, wherein the adhesive ink is a clear ink. <11> The method for producing a recorded matter according to any one of <1> to <10>, wherein the recording medium is a film. <12> The method for producing a recorded matter according to any one of <1> to <11>, wherein the recorded matter is a transfer medium used for transfer to a transfer-receiving material. <13> The method for producing a recorded matter described in any one of <1> to <12>, wherein the first heating step is performed by a first heating device, the second heating step is performed by a second heating device, and the first heating device and the second heating device are connected by a transport path for transporting the recording medium.<14> A method for producing a transferred product, comprising the steps of bringing a recorded product having an image produced by the method for producing a recorded product according to any one of <1> to <13> into contact with a transfer-receiving material and applying pressure and heat to transfer the image to the transfer-receiving material. <15> The method for producing a transferred product according to <14>, wherein the transfer-receiving material is a fabric. <16> The method comprises: a colorant-containing ink head for depositing ink containing a colorant onto a recording medium by an inkjet method to form an image; an adhesive ink head for depositing adhesive ink onto the image by an inkjet method; a first heating device for drying the adhesive ink; and a second heating device for further drying the adhesive ink after drying in the first heating device to obtain an adhesive layer, wherein the amount of adhesive ink deposited by the adhesive ink head is 3.0 mg / cm. ２ The recording medium manufacturing apparatus according to <16>, wherein the heating temperature of the recording medium in the second heating device is higher by 40° C. or more than the heating temperature of the recording medium in the first heating device.

[0163] An example of the present invention will be described below. Unless otherwise specified, "parts" means "parts by mass" and "%" means "% by mass."

[0164] [Evaluation Method] (Measurement of Tg of Emulsion Particles) The glass transition temperature (Tg) of the emulsion particles was measured by differential scanning calorimetry (DSC) under the following measurement conditions.

[0165] Measuring equipment: DSC 3500 (manufactured by NETZSCH) Sample container: Aluminum sealed container Sample weight: 10 mg ± 2 mg Measurement method: N ２ Two cycles of heating from -50°C to 150°C were performed under atmospheric conditions. The heating and cooling rates were 10°C / min, and the holding times at -50°C and 150°C were 5 minutes. Using the analysis software proteus Analysis, the glass transition temperature was analyzed from the DSC curve chart during the second heating cycle, and the midpoint glass transition temperature was used.

[0166] (Measurement of average particle size of pigment and emulsion particles) The average particle size of the pigment was measured using a particle size distribution measuring instrument (manufactured by Otsuka Electronics Co., Ltd., product number: FPAR-1000) by dynamic light scattering, with the pigment dispersion obtained in each Production Example as the measurement sample, and was determined using cumulant analysis. The average particle size of the emulsion particles was determined in the same manner as the average particle size of the pigment, with the emulsion obtained in each Production Example as the measurement sample.

[0167] (Measurement of Weight-Average Molecular Weight of Emulsion Particles) The weight-average molecular weight (Mw) of the emulsion particles was measured by GPC (gel permeation chromatography) under the following measurement conditions.

[0168] Measurement equipment: HLC-8320GPC (manufactured by Tosoh Corporation) Molecular weight column: TSK-GEL SuperMultiporeHZ (manufactured by Tosoh Corporation) Eluent: tetrahydrofuran (THF) Standard material for calibration curve: polystyrene (manufactured by Tosoh Corporation) Measurement method: The object to be measured was dissolved in THF to a solid content of approximately 0.2 mass%, and the resultant was filtered to measure the molecular weight as a measurement sample. The flow rate of the liquid delivery pump was 0.35 mL / min.

[0169] (Evaluation of crack occurrence) The surface of the printed matter obtained in each example and comparative example after the second heating step was visually evaluated. If no cracks occurred on the surface of the printed matter, it was judged as passing, and if cracks occurred, it was judged as failing. In this specification, the image printed on the recording medium and the adhesive layer are collectively referred to as the printed matter.

[0170] (Evaluation of Adhesion) The transfer films obtained in each Example and Comparative Example were used to transfer a printed matter onto a fabric. Specifically, a transfer press machine TP-630M manufactured by Horizon International was used, with a heating temperature of 150°C, a pressing time of 10 seconds, and a pressing load of 3 kN (400 g / cm ２ ) and transcription was performed.

[0171] After pressing, the transfer film was peeled off from the fabric, and it was visually confirmed whether the printed matter was adhered to the fabric. A was assigned to a case where the image was completely transferred, B to a case where the image was transferred at a rate of 90% or more, and C to a case where the image was transferred at a rate of less than 90%. The percentage referred to here means the percentage of the area of ​​the image transferred to the fabric, calculated assuming that the area of ​​the image printed on the transfer film is 100%.

[0172] [Ink Preparation] (Preparation of Pigment Dispersion 1) White pigment dispersion (1) containing titanium oxide as a white pigment, Discoat N-14 (manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.) as a dispersant, propylene glycol as a solvent, and water was prepared. The solids concentration was 55%, and the average particle size of the pigment was 330 nm.

[0173] (Preparation of Pigment Dispersion 2) A blue pigment dispersion (2) containing C.I. Pigment Blue 15:3 as a blue pigment, Joncryl 678 (manufactured by BASF) as a dispersant, dimethylaminoethanol as a solvent, and water was prepared. The solids concentration was 15%, and the average particle size of the pigment was 90 nm.

[0174] (Emulsion Production Example 1) An acrylic resin emulsion (hereinafter referred to as emulsion 1) was obtained by emulsion polymerization. The solid content of emulsion 1 was 55%, and the emulsion particles contained in emulsion 1 had a Tg of 10°C, an average particle size of 200 nm, and a weight average molecular weight of 300,000.

[0175] (Emulsion Production Example 2) An acrylic styrene-based resin emulsion (hereinafter referred to as emulsion 2) was obtained by emulsion polymerization. The emulsion particles contained in emulsion 2 had a Tg of −21° C., an average particle size of 200 nm, and a weight average molecular weight of 1,100,000.

[0176] (Emulsion Production Example 3) Eliter KT-0507 (polyester emulsion) (hereinafter referred to as emulsion 3) manufactured by Unitika Ltd. was prepared. The solid content of emulsion 3 was 25%, and the Tg of the emulsion particles contained in emulsion 3 was −21° C., the average particle size was 150 nm, and the weight average molecular weight was 55,000.

[0177] (Emulsion Production Example 4) Eliter KT-9204 (polyester emulsion) (hereinafter referred to as emulsion 4) manufactured by Unitika Ltd. was prepared. The solid content of emulsion 4 was 30%, and the Tg of the emulsion particles contained in emulsion 4 was 18°C, the average particle size was 100 nm, and the weight average molecular weight was 50,000.

[0178] (Emulsion Production Example 5) Eucoat DA-200 (polyether urethane emulsion) (hereinafter referred to as Emulsion 5) manufactured by Sanyo Chemical Industries, Ltd. was prepared. The solid content of Emulsion 5 was 38%, and the Tg of the emulsion particles contained in Emulsion 5 was −70° C. and the average particle size was 100 nm.

[0179] (Preparation of White Ink) A white ink was prepared by mixing 30 parts of Emulsion 2 (15 parts as emulsion particles), 23 parts of Pigment Dispersion 1, 1.2 parts (0.3 parts as solids) of Epocross WS-700 (manufactured by Nippon Shokubai Co., Ltd., solids content 25%), 2 parts of diethylene glycol monobutyl ether, 15 parts of triethylene glycol, 0.3 parts of a surfactant (manufactured by Shin-Etsu Chemical Co., Ltd., KF-6011), and 28.5 parts of deionized water, and then filtering the mixture through a 1 μm pore size filter (manufactured by Advantec Co., Ltd., MCP-1-C10S).

[0180] (Preparation of Cyan Ink) A cyan ink was produced as a color ink in the same manner as in the preparation of the white ink, except that Pigment Dispersion 1 was changed to Pigment Dispersion 2.

[0181] (Preparation of Adhesive Inks) Adhesive inks A to F were prepared by mixing the materials shown in Table 1. The units of values ​​in Table 1 are parts by mass. KF-6011 is a surfactant manufactured by Shin-Etsu Chemical Co., Ltd., as described above.

[0182] [Devices Used, etc.] (Recording Medium) As a film serving as a recording medium, a PET film roll DFR-600 manufactured by Image Magic Co., Ltd. was used.

[0183] (Inkjet ejection device) An inkjet ejection device was manufactured by modifying an Image Magic DTF printer DTTS-602 series. The inkjet ejection device was a multi-pass type equipped with three Epson Precision Core I3200 heads, and had a printing width of 600 mm. The three heads were named head 1, head 2, and head 3, from the upstream side in the film transport direction. The first head was filled with cyan ink, the second head with white ink, and the third head with adhesive ink. A platen heater was located directly below the heads as the first heating device.

[0184] (Second Heating Device) As the second heating device, a binder applicator DTTS-BF602 manufactured by Image Magic Co., Ltd. was used. No hot melt powder was applied, and only an infrared heating device was used.

[0185] [Examples 1 to 13, Comparative Examples 1 to 3] Using the inks prepared above, the following image forming process, adhesive ink application process, first heating process, and second heating process were carried out, and various properties were evaluated. The temperatures in the first heating process and second heating process were determined by measuring the surface temperature of the transfer film in the center of each device using a K thermocouple (AS ONE Corporation, KTO-10100M3).

[0186] (Image Forming Process and Adhesive Ink Applying Process) A film was set in the inkjet ejection device, and the image forming process and adhesive ink applying process were carried out by the inkjet method under the conditions shown in Tables 2 and 3. When white ink was used, solid printing was carried out with cyan ink using the first head, and then solid printing was carried out with white ink using the second head so that the printed area overlapped. Furthermore, solid printing was carried out with adhesive ink using the third head so that the printed area overlapped on top of the white ink. When white ink was not used, solid printing was carried out with cyan ink, and then solid printing was carried out with adhesive ink on top of that. The ejection amount of cyan ink was 1 mg / cm. ２ and the ejection amount of white ink is 5 mg / cm ２ It was.

[0187] (First heating step and second heating step) The film that had undergone the image formation step and the adhesive ink application step was subjected to the first heating step for 2 minutes and the second heating step for 5 minutes to produce a recorded product. The heating temperatures (film surface temperatures) in the first heating step and the second heating step were as shown in Tables 2 and 3.

[0188] [Evaluation Results] The results are shown in Tables 2 and 3. In Tables 2 and 3, the first heating temperature and the second heating temperature represent the film surface temperature in the first heating step and the film surface temperature in the second heating step, respectively.

[0189] When the heating temperature in the second heating step was 40°C or more higher than the heating temperature in the first heating step as in Examples 1 to 8, no cracks occurred in the printed matter. On the other hand, when the temperature difference between the first heating step and the second heating step was less than 40°C as in Comparative Examples 1 and 2, cracks occurred in the printed matter.

[0190] Furthermore, Examples 1 to 8 showed better transferability to the transfer material than Comparative Examples 1 to 3. Comparing Example 8 and Comparative Example 3, the adhesive ink deposition amount was 3.0 mg / cm ２ Furthermore, even when the composition of the adhesive ink was changed as in Examples 9 to 13, no cracks occurred and transfer was good.

[0191] One aspect of the present invention can be used, for example, in the production of a transfer film used for transfer onto a transfer-receiving material, and in the production of a transfer product.

[0192] REFERENCE SIGNS LIST 1 color ink head 2 white ink head 3, 3a, 3b adhesive ink head 4 recording medium 5 first heating device 6 second heating device 10 inkjet ejection device 71, 72, 73a, 73b nozzle

Claims

1. An image forming step of forming an image by adhering an ink containing a coloring material to a recording medium by an inkjet method; an adhesive ink adhering step of adhering an adhesive ink to the image by an inkjet method; a first heating step of drying the adhesive ink; and a second heating step of further drying the adhesive ink after the first heating step to obtain an adhesive layer, wherein in the adhesive ink adhering step, the adhesion amount of the adhesive ink is 3.0 mg / cm ２ or more, and a method for manufacturing a recorded matter, wherein the heating temperature of the recording medium in the second heating step is 40°C or more higher than the heating temperature of the recording medium in the first heating step.

2. The method for manufacturing a recorded matter according to claim 1, wherein the image forming step includes a color ink adhering step of adhering color ink to the recording medium by an inkjet method, and a white ink adhering step of adhering white ink to the recording medium on the coating film of the color ink by an inkjet method.

3. The method for manufacturing a recorded matter according to claim 1, further comprising an image drying step of drying the image before the adhesive ink adhering step.

4. The method for manufacturing a recorded matter according to claim 1, wherein the first heating step is performed by a platen heater.

5. The method for manufacturing a recorded matter according to claim 1, wherein the second heating step is performed by a non-contact heating device.

6. The method for manufacturing a recorded matter according to claim 1, wherein the first heating step is performed simultaneously with the adhesive ink adhering step.

7. The method for manufacturing a recorded matter according to claim 1, wherein the adhesive ink contains a resin, an aqueous organic solvent, and water.

8. The method for manufacturing a recorded matter according to claim 1, wherein the adhesive ink contains at least one resin selected from the group consisting of acrylic resins and polyester resins.

9. The method for manufacturing a recorded matter according to claim 1, wherein the adhesive ink contains a resin having a weight average molecular weight of 10,000 to 700,000.

10. The method for manufacturing a recorded matter according to claim 1, wherein the adhesive ink is a clear ink.

11. The method for manufacturing a recorded matter according to claim 1, wherein the recording medium is a film.

12. The method for manufacturing a recorded matter according to claim 1, wherein the recorded matter is a transfer medium used for transfer to a material to be transferred.

13. The method for manufacturing a recorded matter according to claim 1, wherein the first heating step is performed by a first heating device, the second heating step is performed by a second heating device, and the first heating device and the second heating device are connected by a conveyance path for conveying the recording medium.

14. A method for manufacturing a transferred matter, comprising a step of bringing a recorded matter having an image manufactured by the method for manufacturing a recorded matter according to any one of claims 1 to 13 into contact with a material to be transferred, and transferring the image to the material to be transferred by applying pressure and heat.

15. The method for manufacturing a transferred matter according to claim 14, wherein the material to be transferred is a fabric.

16. A colorant-containing ink head for forming an image by adhering an ink containing a colorant to a recording medium by an inkjet method, an adhesive ink head for adhering an adhesive ink to the image by an inkjet method, a first heating device for drying the adhesive ink, and a second heating device for further drying the adhesive ink after drying by the first heating device to obtain an adhesive layer, wherein the amount of the adhesive ink adhered by the adhesive ink head is 3.0 mg / cm ２ or more, and a manufacturing apparatus for a recorded matter, wherein the heating temperature of the recording medium in the second heating device is 40 °C or more higher than the heating temperature of the recording medium in the first heating device.

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