10974results about "Inks" patented technology

The invention discloses a colorful acid and alkali resistant laser printing ink and a preparation method thereof. The printing ink is composed of the following components in parts by weight: 0 to 30 parts of butanone, 10 to 30 parts of isopropanol, 2 to 6 parts of curing agent, 10 to 15 parts of pigment, and 10 to 30 parts of glycidyl ether epoxy resin. The glycidyl ether epoxy resin is adopted to produce the printing ink, aliphatic polyamine is further chosen as the curing agent, the acid and alkali resistant performance of the printing ink is strengthened through optimizing the formula, thus the shortage that the colorful laser printing ink is lost when being mixed with acid and alkali is overcome, moreover, the color of the laser printing product is more abundant, and the patterns are more clear.

The invention relates to the field of quantum dot ink, and discloses diffusion plate printing quantum dot ink and a preparation method thereof.The diffusion plate printing quantum dot ink comprises acrylic resin, hyperbranched polyester resin, a quantum dot material, modified boron nitride, a reactive diluent, a photoinitiator, a wetting agent and a defoaming agent; the hyperbranched polyester resin is prepared by reacting hyperbranched polyester acrylate and a sulfydryl-terminated silicon-containing reaction monomer, wherein the hyperbranched polyester acrylate is prepared by reacting pentaerythritol with 2, 2-dimethylolpropionic acid and then carrying out esterification reaction with acrylic acid; the sulfydryl-terminated silicon-containing reaction monomer is prepared by reacting eugenol with 1, 1, 3, 3-tetramethyldisiloxane and then carrying out esterification reaction with 3-mercaptopropionic acid; the modified boron nitride is prepared by modifying a cationic polymer which is prepared by carrying out a Mannich reaction on triethylene tetramine, formaldehyde and acetone and then carrying out a condensation polymerization reaction with formaldehyde. After the ink prepared by the invention is cured, a coating film is high in hardness, adhesive force and heat conductivity coefficient, and good in flexibility, heat resistance and migration barrier property.

The invention provides high-stability ceramic ink and a preparation method thereof. The high-stability ceramic ink is prepared from the following components in parts by mass: 30 parts of inorganic pigment, 2 to 8 parts of sulfonic block polymer, 1 to 3 parts of polyvinyl alcohol grafted glycidyl methacrylate and 50 to 70 parts of organic solvent, wherein the polyving akohol grafted glycidyl methacrylate contains a plurality of epoxy groups. According to the high-stability ceramic ink, by constructing a composite system containing a sulfonic block polymer dispersing agent and polyvinyl alcohol grafted glycidyl methacrylate, stable dispersion of an inorganic pigment, construction of a thermal anchoring structure of an ink-jet pattern area and optimization of glaze layer fusion compatibility are realized; the high-stability ceramic ink effectively solves the problems of fuzzy pattern boundary and glaze-ink separation in the high-temperature sintering process of the existing ceramic ink, so that the high-stability ceramic ink has good storage stability and glaze-ink separation resistance.

The invention discloses low-migration UV ink-jet ink and a preparation method thereof, and belongs to the technical field of novel ink. Comprising the following components in parts by mass: 10-15 parts of a dynamic cross-linked polyurethane acrylate oligomer, 5-8 parts of an epoxy silicone resin oligomer, 2-3 parts of modified silicon dioxide, 4-5 parts of a photoinitiator, 15-20 parts of sorbic acid modified color paste, 1-2 parts of nano cerium oxide and 0.5-1 part of an antioxidant. The molecular chain of the dynamic cross-linked polyurethane acrylate oligomer prepared by the invention contains an active group capable of forming a cross-linked structure and a dynamic covalent bond. The groups and bonds promote molecular chain crosslinking when the ink is cured, a three-dimensional network is formed, and the molecular crosslinking density is improved. Through interaction of palmitic acid modified silicon dioxide and oligomer, the palmitic acid modified silicon dioxide is uniformly dispersed in a matrix and interferes molecular chain movement during curing, so that the crosslinking density is further improved, an ink film layer is more compact and firmer, the wear resistance and the scratch resistance are improved, and the tinting strength and the stability are indirectly enhanced.

The invention relates to the technical field of glass white board ink, and discloses high-gloss and high-covering ink for a glass white board and a preparation method thereof, the high-gloss and high-covering ink comprises the following raw materials by mass: 30-35 parts of pigment, 2-5 parts of composite diatomite, 8-10 parts of a dispersant, 3-7 parts of resin, 0.2-0.5 part of a wetting agent, 50-60 parts of deionized water, and 5-8 parts of propylene glycol. The nano titanium dioxide has high refractive index and light scattering performance, so that the ink can fully reflect light under illumination, and the nano titanium dioxide and the diatomite have a relatively good synergistic effect in the aspect of improving the glossiness of the ink; the lamellar structure of the graphene oxide can effectively cover the ground color of the glass white board, and a high covering effect is achieved; a hydrophilic chain segment of the amphiphilic block copolymer extends in an ink system, and a hydrophobic chain interacts with the lipophilic pigment, so that the stability and the covering effect of the ink are improved.

The invention discloses water-based wear-resistant ink and a preparation method thereof, and belongs to the technical field of ink. The ink is prepared from the following components in parts by weight: 20 to 35 parts of waterborne polyurethane resin, 15 to 25 parts of waterborne acrylic resin with an acid value of 40 to 80 mg KOH / g, 5 to 15 parts of KH570 silane coupling agent modified nano aluminum oxide, 3 to 8 parts of polyethylene wax emulsion, 10 to 20 parts of pigment and auxiliaries. The preparation method comprises the following steps: firstly, carrying out surface modification on the nano aluminum oxide by using KH570, and then mixing, dispersing and grinding all the components. Through the synergistic effect of the acrylic resin with a specific acid value and the modified nano aluminum oxide, the problem that nano particles are easy to agglomerate in a system is solved, the nano particles can be stably dispersed, and the interface bonding with the resin is enhanced, so that the ink is endowed with excellent adhesive force, wear resistance and storage stability while the process is simplified and the cost is reduced; the BOPP film packaging material is especially suitable for BOPP film packaging materials.

The invention provides a photosensitive resin composition containing an anthracene methyl modified melamine photosensitizer, a photosensitive dry film and application of the photosensitive dry film, the photosensitizer adopts a melamine skeleton to connect three anthracene 9-methyl structures, and through a rigid structure of the melamine skeleton and a methylene bridging (-CH2-An) design of an anthracene group, the photosensitive resin composition has the remarkable advantages that the methylene bridging structure can be used for preparing a photosensitizer, and the photosensitizer can be used as a photosensitizer for photosensitization of the anthracene methyl modified melamine photosensitizer. The breakage of carbon-oxygen bonds on alkoxy caused by p-pi conjugation is avoided, so that the migration of small molecular fragments after initiation is reduced, permeable crystallization to a polyethylene protective film is effectively inhibited, and the risk of short circuit of a line is remarkably reduced; the light quantum yield can be greatly improved by introducing a plurality of light sensing units; the melamine skeleton is used, so that the adhesive force of the initiation system on the metal foil surface can be effectively improved; in addition, the photosensitizer also shows excellent solubility and formula compatibility, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, molding materials and the like.

An inkjet ink contains a quinacridone pigment, a pigment dispersion resin, and an aqueous medium. The pigment dispersion resin includes an adsorption resin adsorbed to the quinacridone pigment and a non-adsorption resin not adsorbed to the quinacridone pigment. The non-adsorption resin has a percentage content in the pigment dispersion resin of at least 20% by mass and no greater than 50% by mass. A supernatant obtained by centrifugation of the inkjet ink at 1,050,000 G for 3 hours has a phosphorous concentration of at least 1.0 ppm and no greater than 6.0 ppm. The supernatant has a sulfur concentration of at least 1.0 ppm and no greater than 6.0 ppm.

The invention discloses water-based anti-forgery ink, a preparation method thereof, an obtained printed matter and application thereof, and relates to the technical field of printing forgery prevention. The water-based anti-forgery ink comprises the following components in percentage by mass: 15%-30% of water-based resin, 5%-20% of acrylic resin, 0.5%-10% of an auxiliary agent, 2%-5% of a first fluorescent developing substance, 3%-10% of a first microcapsule and the balance of water, a capsule core of the first microcapsule contains a second fluorescent color developing substance, a capsule shell is made of a first temperature-sensitive high polymer material, and the first temperature-sensitive high polymer material is subjected to reversible phase transformation at a first threshold temperature T1; the second fluorescent color-developing substance is different from the first fluorescent color-developing substance. According to the invention, multiple hidden anti-counterfeiting mechanisms are arranged and can be triggered under specific conditions, so that the cracking difficulty is increased; and the anti-counterfeiting verification requirements in some important occasions can be met.

The present invention provides a modified triarylmethane dye comprising a structure represented by Formula 3, wherein R1, R2, R3, R4, R5, R6, R7, A1, A2, A1'and A2 'are as defined herein. # imgabs0 #

The present disclosure describes multi-fluid kits for three-dimensional printing, materials kits for three-dimensional printing, and methods of making three-dimensional printed articles. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a pore-promoting agent. The fusing agent can include water and a radiation absorber. The radiation absorber can absorb radiation energy and convert the radiation energy to heat. The pore-promoting agent can include water and a water-soluble pore-promoting compound. The pore-promoting compound can chemically react at an elevated temperature to generate a gas.

The invention is about a method of marking ink which is only used to defend fake. The composition of it is: lipidol or lipid, surface active agent, integration agent, water, buffering agent. Their mass percents are: 1,2-hexylene glycol: 5%-15%, butanol: 1-5%, DH-1: 5-10%, EDTA: 0.1-0.5%, MS-1: 0.1-1%, water: the rest. The process is: a. dissolving the colorant in water, b. put the correct percent of 1,2-hexylene glycol and butanol into the solvent, then dropping the MS-1 and EDTA solution when mixing the solvent for 30-50 min, c. put the rest precent of water into the printing ink box. The picture and word would be shown red fluorescence in the UV but blank in the usual light.

Systems, methods, and devices for providing a labeling technique for microscope slides using laser-markable ink are described. In some embodiments, laser-markable ink may be applied to a microscope slide or a sheet comprising a plurality of microscope slides. A laser may be provided to a portion of the laser-markable ink to initiate a chemical reaction in the laser-markable ink. The chemical reaction may mark a surface of the microscope slide at the portion of the laser-markable ink. The surface of the microscope slide may be marked with information and / or machine-readable indicia without etching the surface of the microscope slide.

To provide a thermoplastic resin composition for fused deposition modeling, capable of obtaining a modeled body which is excellent in modeling performance and antistatic performance, which can be colored into various colors, and which has diverse design properties, a modeled body which is obtained with the thermoplastic resin composition by fused deposition modeling, and which not only is excellent in antistatic performance and but also has excellent design properties by coloration, and a method for producing the modeled body. A thermoplastic resin composition for fused deposition modeling, containing 3 to 45 parts by mass of one or more kinds of a polymeric compound (G) having the following polyether segment (A) and polymer segment (B), based on 100 parts by mass of a thermoplastic resin:Polyether segment (A): a polyether segment derived from a compound (a) having one or more ethyleneoxy groups and having a hydroxyl group at each of both ends;Polymer segment (B): one or more polymer segments selected from the group consisting of a polyester segment (D) and a polyamide segment (E).

The invention provides anthracene methyl phenothiazine for a photosensitive resin composition, and relates to the field of photopolymerization. The invention further comprises a photosensitive resin composition containing the anthracene methyl phenothiazine, a photosensitive dry film containing the anthracene methyl phenothiazine and application of the photosensitive resin composition and the photosensitive dry film. The anthracene methyl phenothiazine disclosed by the invention has photosensitivity, can be used as a photosensitizer in the photosensitive resin composition, can improve the adhesive force of the photosensitive resin composition on various metal surfaces, and has the characteristic of low migration; the method can be widely applied to the photo-curing fields of dry films, paints, coatings, printing ink, forming materials and the like.

The invention discloses a polyhydroxyalkanoate-containing multi-component water-based ink binder system, a water-based ink composition and a preparation method and application thereof, and belongs to the technical field of environment-friendly printing materials and water-based ink. According to the invention, a microscopic two-phase or core-shell structure taking the second film-forming resin as a continuous phase and polyhydroxyalkanoate as a dispersed and enriched phase is constructed. Compared with the prior art, a printing layer can be endowed with excellent anti-blocking property, smooth touch feeling and barrier property under an extremely thin dry film only by using an extremely small amount of bio-based components, and meanwhile, excellent adhesive force and abrasion resistance are ensured. In addition, the water-based ink composition also shows excellent household compost and industrial compost degradation performance. The system not only greatly reduces the cost, but also has excellent paper repulping and deinking characteristics, and provides a high-performance solution for environment-friendly printing.

In one aspect, build materials for use with a three-dimensional (3D) printing system are described herein. In some embodiments, a build material described herein comprises an acrylate component, a photoinitiator component, a non-curable absorber component, and water. The photoinitiator component of the build material is operable to initiate curing of the acrylate component and / or other curable materials that may optionally be present when the photoinitiator is exposed to incident curing radiation having a Gaussian distribution of wavelengths and a peak wavelength λ. The build material has a penetration depth (Dp) and a critical energy (Ec) at the wavelength λ. In some embodiments, the Dp is greater than 200 μm and less than 300 μm, and the Ec is 3-12 mJ / cm2. In other embodiments, the Dp is greater than 10 μm and less than 50 μm, and the Ec is 5-40 mJ / cm2.

The invention provides a preparation method of water-based UV curing conductive ink, and relates to the technical field of polymer conductive material preparation, the preparation method comprises the following steps: respectively preparing modified water-based UV resin, nano-silver and a nano-silver-graphene composite material; and mixing the prepared modified water-based UV resin, nano-silver and a nano-silver-graphene composite material with a photoinitiator, 1, 6-hexanediol diacrylate and an auxiliary agent to obtain the water-based UV curing conductive ink. The preparation method comprises the following steps: firstly, synthesizing an unsaturated epoxy intermediate (EA) by utilizing acrylic acid (AA) and bisphenol A type epoxy resin E-51, then adding the epoxy intermediate EA into an intermediate PUA, and carrying out full end capping on the PUA to prepare light-cured resin; preparing nano-silver and a nano-silver-graphene composite material through a chemical reduction method; and finally, constructing a conductive network in the ink by virtue of a synergistic effect between the nano-silver and the nano-silver-graphene composite material, so as to prepare the water-based UV-cured high-performance conductive ink.

The invention provides triazole anthracene methyl formate for a photosensitive resin composition, and relates to the field of photopolymerization. The invention also comprises a photosensitive resin composition containing the triazole anthracene methyl formate, a photosensitive dry film containing the triazole anthracene methyl formate, and applications of the photosensitive resin composition and the photosensitive dry film. The triazole formic acid anthracene methyl ester disclosed by the invention has photosensitivity, can be used as a photosensitizer in the photosensitive resin composition, can improve the adhesive force of the photosensitive resin composition on various metal surfaces, and has the characteristic of low migration; the method can be widely applied to the photo-curing fields of dry films, paints, coatings, printing ink, forming materials and the like.

To provide: an ink having good storage stability and high light resistance; an ink having high optical density and excellent color development stability during heat pressing; and a thermal transfer recording sheet in which fading due to mixing of two different yellow colorants used in a yellow colorant layer of the thermal transfer recording sheet is suppressed.SOLUTION: An ink comprises a medium and carrier particles dyed with a compound represented by general formula (1) and a compound represented by general formula (2). An ink comprises an aqueous medium, a dispersant, a compound represented by general formula (1), and a compound represented by general formula (2). A thermal transfer recording sheet has a yellow colorant layer containing a compound represented by general formula (1) and a compound represented by general formula (2).SELECTED DRAWING: None

The invention relates to the technical field of ink, and discloses a preparation method of bio-based degradable water-based ink, which comprises the following steps: carrying out esterification polymerization on vanillin-based spiro acetal diglycidyl ether and diacid to obtain bio-based polyester resin, mixing and dispersing the bio-based polyester resin, petroleum-based resin, pigment, auxiliary agent and the like to obtain the bio-based degradable water-based ink. The bio-based degradable water-based ink is prepared. The bio-based resin contains a plurality of hydrophilic hydroxyl groups, has good solubility and dispersibility in the water-based ink, and generates denser hydrogen bonds and other cross-linking effects with the acrylic resin, so that the hardness of the ink is improved. Meanwhile, the polar hydroxyl groups also greatly enhance the hydrogen bond bonding and anchoring effect between the paint film and the base material, so that the adhesive force is improved. In addition, easily-hydrolyzed spiral acetal bonds, polyester structural units and other degradable chemical bonds in molecular chains of the bio-based resin provide more attack sites for water and microorganisms, the degradation rate is increased, and the degradable function is achieved.

The present invention relates to photopolymerizable compositions and elements made therefrom, as well as their use. The photopolymerizable compositions are particularly suitable as recording material for optical elements with refractive index modulation, in particular holograms.

The invention provides light-cured epoxy ink and a preparation method and application thereof, the light-cured epoxy ink comprises an alicyclic epoxy monomer, an oxetane monomer, a diluent, a photoinitiator, an adhesion promoter and an assistant, the alicyclic epoxy monomer is an alicyclic epoxy monomer containing more than two polycyclic rings in a molecule; and the adhesion promoter is glycidyl ether epoxy micromolecules containing hydroxyl groups. According to the epoxy ink composition disclosed by the invention, the rigid group alicyclic ring and the adhesion promoter with hydroxyl are introduced, so that the epoxy ink composition has high adhesion and film surface hardness at the same time. The light-cured printing ink provided by the invention has low viscosity and high light transmittance. The liquid crystal composition is suitable for the field of display panels such as OLEDs, Micro-LEDs and the like, and the ink-jet printing technology is met.

To provide an active energy ray-curable lithographic ink with reduced elution of unreacted components after curing.SOLUTION: An active energy ray-curable lithographic ink comprises (a) a resin, (b) a compound having an ethylenically unsaturated group, and (c) a pigment. The active energy ray-curable lithographic ink has a ratio Da / Db of 0.9 or less, where Da is the diffusion coefficient of (b) the compound having an ethylenically unsaturated group to (a) the resin, and Db is the diffusion coefficient of the (b) compound having an ethylenically unsaturated group to polypropylene.SELECTED DRAWING: None

The invention relates to the technical field of novel resin and application thereof, in particular to modified rosin phenolic resin, a preparation method thereof and offset printing frosted ink. The modified rosin phenolic resin comprises silica powder grafted rosin phenolic resin, and the preparation method of the modified rosin phenolic resin comprises the following steps: preparing the silica powder grafted rosin resin, and modifying the phenolic resin by the silica powder grafted rosin resin. The resin is used for offset printing frosted ink, enables the frosted ink to be uniformly and stably transferred to the surface of a printing stock, is good in transfer property, uniform in frosted effect and good in concave-convex feeling, effectively enhances the adhesive force of a base material, is suitable for high-speed offset printing, and is excellent in printing adaptability.

The invention belongs to the technical field of water-based ink, and particularly relates to low-dielectric-loss black water-based ink and a preparation method thereof.The preparation method comprises the following steps that aniline black is ground to the nanoscale particle size; the preparation method comprises the following steps: mixing nano aniline black, an emulsifier, a coupling agent, an initiator and deionized water to prepare a pre-dispersion liquid; the preparation method comprises the following steps: mixing and emulsifying an acrylate monomer, an emulsifier, a PH buffer agent and deionized water to prepare a seed emulsion; dropwise adding the pre-dispersion liquid into a seed emulsion, and carrying out a graft polymerization reaction to generate a nigrosine-acrylate hybrid emulsion; and mixing the hybrid emulsion with an auxiliary agent to prepare the black water-based ink. The dielectric loss of the black ink layer is reduced, and the process requirements that the black ink layer is not prone to overheating and scorching when the black ink layer is subjected to microwave drying to remove moisture are met. The compatibility of aniline black powder and water-based resin is improved, and the problems of dispersion and precipitation of high-concentration aniline black powder are solved. And the secondary agglomeration condition of the nigrosine powder is obviously reduced.

The invention relates to environment-friendly hydrophobic ink and a preparation method thereof, and belongs to the technical field of water-based ink. A copolymerization modifier capable of being combined in a water-based polyacrylate emulsion in an initiation polymerization mode in the stage of preparing the modified water-based polyacrylate emulsion is prepared, and an o-hydroxy aromatic ketone structure in the copolymerization modifier can endow water-based ink with lasting ultraviolet absorption performance; the trifluoromethyl structure can reduce the surface energy of the water-based ink, and the benzimidazole ring structure can form stable coordinate bonds with metal ions, so that the bonding performance of the water-based ink and a metal substrate is enhanced; when the copolymerization modifier is used for modifying the water-based polyacrylate emulsion, the long-term performance, the hydrophobic and oil-resistant performance and the adhesion performance on the surface of a metal base material of the finished water-based ink can be effectively improved.

An object of the present invention is to provide an inkjet ink that improves the fixing property (transfer resistance) of ink while maintaining excellent printing stability, and a tablet printed matter including a printed portion printed with the inkjet ink. 【Solution means】The inkjet ink according to the present embodiment contains an edible dye, an adhesive, water and ethanol as solvents, and only a liquid adhesive as the adhesive.

The invention discloses high-brightness water-based pigment ink-jet color paste, and relates to the technical field of pigments. The water-based ink is prepared from the following materials in parts: 200 to 1000 parts of organic pigment, 100 to 900 parts of inorganic pigment, 1 to 500 parts of water-based dispersant, 50 to 300 parts of humectant, 10 to 600 parts of surfactant, 1 to 100 parts of mildew-proof bactericide, 1 to 200 parts of fluorescent whitening agent, 1 to 500 parts of pearlescent pigment, 1 to 200 parts of ultraviolet absorbent and 2 to 120 parts of antioxidant. The invention also discloses a preparation method of the high-brightness water-based pigment ink-jet color paste. By adding the fluorescent whitening agent, the pearlescent pigment, the ultraviolet light absorber and the antioxidant, the color is fuller and brighter, the color paste is endowed with a pearlescent gloss effect, rich and diversified decorative effects are achieved, the requirements of different customers for personalized and creative product appearances are met, and the color paste has a good market prospect in an outdoor environment with strong illumination. A good color state can still be kept, the color durability is prolonged, and the color brightness and durability of the color paste are effectively improved.

The present invention discloses a high-gloss environmentally friendly UV-curable luminous ink and a preparation method thereof, which belongs to the technical field of UV-curable luminous ink. The ink comprises the following raw materials in parts by weight: 78 to 84 parts of bio-based polyurethane prepolymer, 38 to 45 parts of bio-based acrylate monomer, 10 to 15 parts of modified 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester as UV curing initiator, 11 to 16 parts of luminous powder, 7 to 10 parts of micro powder filler, and 4 to 8 parts of auxiliary agent; the bio-based polyurethane prepolymer is obtained by reacting castor oil, resorcinol, fructose and 1,5-pentamethylene diisocyanate in a weight ratio of 8 to 12:2 to 3:13 to 17:4 to 9. In the above manner, the prepared high-gloss environmentally friendly UV-curable luminous ink is coated on a substrate and then subjected to UV light curing treatment (curing energy 2800mJ / cm 2 ), the thickness of the cured film can be controlled more loosely, and the cured film thickness can be controlled at 8-12μm. The cured film has good coating appearance, friction resistance, stain resistance and gloss.