1046results about "Thermography" patented technology

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.

The invention belongs to the technical field of printing materials, and provides a thermal printing material with a cleaning function and a preparation method and application thereof. The thermal printing material comprises a base material, a thermal imaging layer and a protective layer which are sequentially stacked, the protective layer is prepared from a first film forming material, a second film forming material and a cleaning function material, and the cleaning function material comprises rare earth oxide. The first film-forming material is at least one of modified polyvinyl alcohol, styrene acrylic resin, polyurethane resin, polyacrylic resin, styrene maleic anhydride copolymer and waterborne epoxy resin, and the second film-forming material is a carbonyl compound and / or an amino compound. The thermal printing material provided by the invention can clean a thermal printing head while printing, the thermal printing head is kept clean for a long time, the service life is long, the printing effect of an output information image is not influenced, and the thermal printing material has the characteristics of high-transparency appearance, clear image, high density and no scratch.

To provide a thermosensitive recording medium which has all of hot water resistance, water resistance, ethanol resistance, resistance to temperature and humidity, water scrubbing resistance and heat resistance, and can give an image having high density.SOLUTION: A thermosensitive recording layer contains a compound represented by the following general formula (1), and a styrene-acrylic resin. In the general formula (1), R2 is a linear, branched or alicyclic 1-12C alkyl group, an unsubstituted or 1-12C alkyl group, a 1-12C alkoxy group, a 6-12C aryl group or a 7-12C aralkyl group substituted with a halogen atom, or an unsubstituted or 1-12C alkyl group, a 1-12C alkoxy group, a 6-12C aryl group or a 6-12C aryl group substituted with a halogen atom, and the plurality of R2 may be the same or different. A1 represents a hydrogen atom, or a 1-4C alkyl group. The plurality of A1 may be the same or different.SELECTED DRAWING: None

The invention relates to the technical field of preparation of heat transfer films, in particular to a preparation process of a UV process heat transfer film, which comprises the following steps: base film selection, base film surface treatment, release agent selection, release agent coating, UV paint coating, bridging agent selection, printing, photocuring and film stripping: stripping the photocured transfer film from the base film to form the final UV heat transfer film. According to the UV heat transfer film prepared by the process, the adhesive force of the pattern layer and the UV coating layer is better, the compactness is higher, the product quality is improved, and the service life of the UV heat transfer film is prolonged; in addition, the efficiency is improved more quickly during curing, the residual adhesive rate is low after demolding and stripping, and the product quality is further improved.

The invention relates to a DTF pyrograph film and a preparation method thereof, the DTF pyrograph film comprises a back coating, a PET film layer, a bottom coating and a surface coating, the back coating comprises a first waterborne polyurethane emulsion, first matt powder, first wax powder, a first dispersing agent, a first wetting agent and a first defoaming agent; the primer comprises a water-based silicon resin emulsion, a second dispersing agent, a second defoaming agent, second matt powder, a water-based thickening agent, a second wetting agent and a first flatting agent; and the surface coating glue comprises a water-based cationic resin liquid, a second water-based polyurethane emulsion, matting powder, second wax powder, a third wetting agent, a slip agent, a third defoaming agent, a third dispersing agent, an anti-shrinkage agent, a second flatting agent, ethanol and an anti-settling agent. The DTF pyrograph film is light and thin in coating, uniform and consistent in coating, free of vertical printing, line printing, reticulate printing, cloud printing and the like during printing, free of lightning printing after being bent, capable of achieving hot tearing, second tearing and cold tearing during high-temperature transfer printing, clear and complete in pattern color after transfer printing, free of light reflection and shining, capable of resisting water and oil and good in hand feeling and wear resistance.

The invention relates to the technical field of layered materials, and discloses a low-temperature-resistant polyurethane transfer film and a preparation method thereof. The multi-layer structure heat transfer film with a glue layer and a polyurethane-based transfer layer is prepared, and a photo-curing transfer layer material containing polyurethane acrylate containing polyether, polybutadiene blocks and organic silicon branched chains with good low-temperature resistance and sulfhydrylation graphene oxide with excellent far infrared performance is prepared; the low temperature resistance and the water resistance of the heat transfer film are effectively improved.

The present invention relates to a transfer foil for transferring images onto solid substrates (transfer printing), such as textile supports, in particular T-shirts, metallic supports or plastic, in particular signs, ceramic supports, in particular cups and plates, etc., comprising a two-dimensional carrier based on polyester, based on polyether ether ketones or based on a cellulose-based material, having a layer (a) which is arranged on at least one of the carrier surfaces and which is made of a cross-linked, at least partially hydrolysed polyvinyl alcohol (PVA) polymer, The present invention also relates to the use of same. A further subject matter of the present invention is a ready-to-use system for transfer printing, comprising a transfer foil and an image applied thereto, in particular printed thereon, and a hot melt adhesive.

Pattern transfer sheets and methods are provided for printing paste patterns (e.g., thin fingers) with a high aspect ratio and for increasing throughput in pattern transfer printing. Trenches in the pattern transfer sheets, that are configured to be filled with printing paste and to enable releasing the printing paste from the trenches onto a receiving substrate upon illumination by a laser beam—are coated internally by a coating configured to disintegrate upon the illumination. The coating is configured to enhance the releasing of the paste—increasing throughput and printing accuracy. The receiving substrate may be cleaned after paste deposition by removing disintegration products of the coating therefrom. Alternatively or complementarily, laser absorbing dye may be mixed into the printing paste to facilitate its release from the trenches.

The invention discloses an anti-counterfeiting code printing method of variable temperature-sensitive ink, and belongs to the technical field of printing anti-counterfeiting. The invention provides a dynamic data and temperature response collaborative anti-counterfeiting scheme to solve the problems that an existing anti-counterfeiting code is easy to copy in a static state, and temperature-sensitive ink is single in function and fuzzy in superimposed information. The method comprises the following steps: generating unique dynamic data through an encryption algorithm and dividing the unique dynamic data into a plain code segment and a hidden code segment; configuring double-layer temperature-sensitive printing ink and a low-temperature layer, partially covering the plain code section, and enabling the high-temperature layer to be transparent at normal temperature and to be heated to develop hidden codes; a multi-channel high-precision printing device is adopted to superpose ink layers step by step, and a protective film is covered after ultraviolet curing to enhance durability. A user triggers hierarchical display and hiding through temperature, and dynamic data and physical characteristic dual verification is realized by combining a terminal verification system. The anti-counterfeiting information capacity is expanded, the problem of information blurring caused by ink diffusion is solved, high-security scenes such as packages, labels and certificates are compatible, and the anti-counterfeiting strength and the practical value are achieved.

The invention discloses a high-precision cold stamping printing one-piece flow process. The process comprises the following steps that S1, surface cleaning is conducted on a printing stock; s2, the surface of the printing stock is coated with UV glue in an ink-jet printing mode; s3, after coating is completed, low-energy UV is adopted for pre-curing, and the energy density is lt; the thickness is 50mJ / cm, and forming a semi-cured adhesive layer; s4, the cold stamping film is attached to the UV glue through an air cushion type pressing roller, then UV full curing is conducted, the cold stamping film is peeled off after curing, and the pattern is reserved on the printing stock; s5, performing color ink overprinting on the hot-stamped pattern to obtain a printed product; and S6, on-line detection and slitting are conducted on the printed matter. According to the high-precision cold-stamping printing one-piece flow process, the whole process is completed in an on-line mode, step-by-step operation is not needed, the production efficiency can be remarkably improved, micron-order pattern control can be achieved through ink-jet coating glue, complex patterns are supported, the glue utilization rate is higher, cold-stamping films are only locally transferred, the waste film rate is reduced, ozone is not generated through LED-UV curing, and the production cost is reduced. And the device is more environment-friendly and lower in energy consumption.

The invention discloses a pyrograph film capable of being efficiently stripped. The pyrograph film capable of being efficiently stripped comprises a base material layer, a release layer, a transfer layer and a hot melt adhesive layer which are sequentially stacked, the transfer layer comprises a pattern layer and a dielectric enhancement layer, the pattern layer and the dielectric enhancement layer are sequentially stacked, the pattern layer is arranged towards one side of the release layer, and the dielectric enhancement layer is arranged towards one side of the hot melt adhesive layer; the dielectric enhancement layer is of a layer structure with the thickness of 3 + / -0.3 [mu] m, and the layer structure is prepared from, by mass, 60% of acrylic resin, 30% of aluminum oxide nanowires and 10% of flatting agent. According to the pyrograph film capable of being stripped efficiently, the dielectric constant between the pattern layer and the hot melt adhesive layer is effectively increased through the dielectric enhancement layer, so that the overall material polarization capability and electrostatic adsorption capacity of the transfer layer are remarkably enhanced, and the problem of edge diffusion of ink in the transfer printing process of the pattern layer is solved; the adhesive force of the transfer layer to application environments such as curved surfaces and porous materials is improved, and the transfer precision and durability are improved.

To provide a thermal recording medium that can improve printing defects caused by the adhesion of printhead residue. [Solution] The thermal recording medium of the present disclosure is a thermal recording medium having a first direction and a second direction perpendicular to the first direction in a plan view, comprising a support having a first surface and a second surface facing the first surface, a thermal layer disposed in a part of the area of ​​the first surface of the support, a protective layer disposed on at least the upper surface of the thermal layer, and a cleaning layer disposed in a part of the area of ​​the first surface of the support and in a different area from the thermal layer, wherein at least a part of the first surface of the support has an exposed portion that is exposed from the thermal layer, the cleaning layer and the protective layer, and in a cross-sectional view when the thermal recording medium is cut toward the first direction at a predetermined position in the second direction, the thermal layer and the cleaning layer are disposed in a different area from the thermal layer.

This disclosure provides laser markable polymerizable resin compositions comprising infrared absorbing marking additives to achieve improved laser markability of 3-D printed objects obtained from these polymerizable resin composition, and methods for marking the cured resin compositions using an infrared laser.

The utility model discloses a wear-resistant heat transfer lettering film, which belongs to the field of film technology, and sequentially comprises a release film layer one, a light-transmitting connecting layer, an adhesive layer one, a supporting layer, a hot melt adhesive layer and a release film layer two, wherein a printing layer is provided on the side of the light-transmitting connecting layer facing the adhesive layer, the supporting layer is formed with a plurality of air ducts perpendicular to the thickness direction of the lettering film, the supporting layer is formed with a plurality of ventilation ports consistent with the thickness direction of the lettering film, the ventilation ports are connected to the air ducts, and the hot melt adhesive layer is provided along the edge of the ventilation ports. With the wear-resistant heat transfer lettering film of the utility model, when the surrounding air flows, the lettering film will absorb air through the clothing, thereby accelerating the ventilation effect there, reducing the airtight effect at the place where the lettering film blocks, and ensuring comfort.

A thermal transfer sheet includes a substrate and a transfer layer, in which the transfer layer after transfer has a reduced peak height (Spk) of 0.6 μm or more. A method for producing a printed material using a thermal transfer sheet including a particle layer disposed on a substrate and an image-receiving sheet including a thermal protrusion-and / or-recess forming layer and a receiving layer stacked in that order on a second substrate, the receiving layer including an image that has been formed, includes the steps of heating the image-receiving sheet to form a protrusion and / or a recess at the image-receiving sheet, and heating the thermal transfer sheet to transfer the particle layer to at least part of the protrusion of the image-receiving sheet.

The invention discloses a thermo-sensitive paper coating suitable for a backing-paper-free label and a preparation method and application of the thermo-sensitive paper coating, and relates to the technical field of composite materials. According to the thermal-sensitive paper coating provided by the invention, a specific thermosensitive composition is adopted to construct a color developing substance of a color developing layer, 3-(3-methylureido) phenyl-4-methyl benzenesulfonate is compounded with a specific fluorane dye, and the obtained thermosensitive composition can form a covalent bond with silicone oil, so that the silicone oil can be promoted to be cured to form a compact coating, and the thermal-sensitive paper coating has the advantages that the thermal-sensitive paper coating has a good color developing effect; and the silicone oil isolation layer and the thermosensitive composition have excellent binding force, so that the coating provided by the invention has excellent color development performance and higher curing rate, the curing time is as low as 15 seconds or less, the glossiness is 46.7 GU or more, and the dynamic saturation color development performance is 0.96 or more.

The purpose of the present invention is to provide a heat-sensitive recording medium which hardly causes safety concerns such as endocrine disrupting chemicals, and is excellent in chromogenic properties and light resistance, and also excellent in heat resistance. A heat-sensitive recording medium (1) has a configuration in which a heat-sensitive recording layer (3) is layered on a substrate (2). The heat-sensitive recording layer (3) comprises a color former, a non-phenol-based developer, and a non-phenol-based light stabilizer. The non-phenol-based light stabilizer comprises a hindered amine-based light stabilizer. Preferably, the non-phenol-based developer comprises a compound represented by the following formula (1) and / or a compound represented by the following formula (2). (The symbols in the formulae (1) and (2) are as defined in the specification.)

The invention relates to full-color erasable thermosensitive photographic paper and a preparation method thereof. The full-color erasable thermosensitive photographic paper comprises a protective layer, a thermosensitive coating and a base material which are sequentially arranged from top to bottom, the thermosensitive coating comprises a yellow thermosensitive coating, a first middle layer, a magenta thermosensitive coating, a second middle layer and a cyan thermosensitive coating which are sequentially arranged from top to bottom. According to the full-color erasable thermosensitive photographic paper prepared by the invention, yellow, magenta and cyan with relatively high color density can be realized, and the situation that the color density of yellow, magenta and cyan in the current thermosensitive photographic paper is not enough is avoided; compared with the prior art, the full-erasable thermo-sensitive paper has the advantages that independent yellow, fuchsin and cyan can be printed, color overlapping can be carried out, and only tiny deviation of color coordinates occurs after 100 times of repeated erasing, so that the full-erasable thermo-sensitive paper can be repeatedly used, and the problems of serious environmental pollution and resource waste caused by the fact that ink-free photographic paper can only be used once in the prior art are solved.

Disclosed is a heat-sensitive recording material comprising at least an undercoat layer and a heat-sensitive recording layer in this order on a support,the undercoat layer containing an inorganic pigment, hollow particles, and a binder,the heat-sensitive recording layer containing a leuco dye, developers, and a binder,the heat-sensitive recording layer containing a first developer and a second developer as the developers,the heat-sensitive recording layer containing an N,N′-diarylurea-based compound represented by formula (1) as the second developer:whereinR2 represents a C1-12 alkyl group, a C7-12 aralkyl group, or a C6-12 aryl group, the aralkyl group and aryl group may be substituted with a C1-12 alkyl group, a C1-12 alkoxy group, a C6-12 aryl group, or a halogen atom, and a plurality of R2s may be the same or different; andA1 represents a hydrogen atom or a C1-4 alkyl group, and a plurality of A1s may be the same or different.

To provide a thermochromic color memory composition that employs a specific ester compound and exhibits a color memory effect in a low temperature range.SOLUTION: A thermochromic color memory composition comprising at least: (i) an electron-donating chromogenic organic compound, (ii) an electron-accepting compound, and (iii) a specific reaction medium for controlling the chromogenic reaction of the component (i) and the component (ii), wherein the thermochromic color memory composition undergoes color change with a hysteresis width (ΔH) of 8 to 100°C in a color density-temperature curve, wherein a complete coloring temperature t1 is equal to or lower than -30°C, and a complete decolorizing temperature t4 is in a range of -25 to 15°C.SELECTED DRAWING: None

The invention discloses a color receipt printing method and device, computer equipment and a readable storage medium, relates to the technical field of Internet, and provides universal color receipt printing capability by performing gradient heating treatment on thermo-sensitive paper and identifying and recording printable colors and required temperatures of the thermo-sensitive paper. And diversified and personalized printing requirements are met. The method comprises the following steps: acquiring a preset heating temperature interval, and carrying out gradient heating on currently identified thermo-sensitive paper according to the heating temperature interval to obtain a heating result; according to the heating result, determining at least one target color which can be printed and displayed by the currently identified thermo-sensitive paper, and determining a heating temperature corresponding to each target color; and in response to a color receipt printing instruction, determining a to-be-printed color, and carrying out heating printing on the currently identified thermo-sensitive paper according to a specified heating temperature corresponding to the to-be-printed color, so that the to-be-printed color is presented on the currently identified thermo-sensitive paper, and a color receipt is obtained.

A heat press may include an upper assembly comprising a heat plate, a lower assembly comprising a platen, and a base assembly interconnecting the upper assembly and the lower assembly. The base assembly may include a drive motor that is configured to drive movement of the upper assembly relative to the lower assembly. The heat press is generally configured to heat and compress, between the heat plate and the platen, a workpiece. A method for a heat press may also include a processor perform various operations, including activating a drive motor to drive an upper assembly of a heat press toward a lower assembly of the heat press to exert a compressive force on a workpiece disposed between a heat plate of the upper assembly and a platen of the lower assembly.

To provide a heat-sensitive recording material which is excellent in terms of high-speed printing performance among various properties required for heat-sensitive recording materials, which is also excellent in terms of oil resistance, plasticizer resistance, printing runnability and the like.SOLUTION: A heat-sensitive recording material has a primer coating layer on a supporting body, and also has a heat-sensitive recording layer on the primer coating layer, the heat-sensitive recording layer containing a colorless or pale electron-donating leuco dye and an electron-accepting color developer. The heat-sensitive recording layer contains, as the electron-accepting color developer, a urea compound. The primer coating layer contains 50-95 wt.% of a pigment in terms of solid content, while containing 50 wt.% or more of plastic hollow particles relative to the pigment in terms of solid content.SELECTED DRAWING: None

The invention firstly provides a structure of environment-friendly bottomless paper type thermo-sensitive paper. The structure comprises a base material, and a thermo-sensitive coating and a silicone oil layer which are sequentially laminated on one surface of the base material, the thermosensitive coating comprises a color developing layer, a pre-coating layer and a bottom coating layer which are laminated in sequence, and the bottom coating layer is laminated on one surface of the base material; secondly, a coating system is provided, and a color developing agent comprises 4, 4 '-sulfonyl diphenol; the invention also provides a preparation method which is used for preparing the thermo-sensitive paper by adopting the structure and the coating system, and comprises the following steps: coating the color developing layer on the surface of the pre-coating layer by using curtain coating; a novel structure is designed, a basis is provided for the self-curling release performance of the thermo-sensitive paper, a coating system uses 4, 4 '-sulfonyldiphenol, so that the color saturation, the light resistance and the stability of the thermo-sensitive paper can be improved, the thermo-sensitive paper does not react with silicone oil, the release performance is improved, a curtain coating method is adopted based on the structure and the coating system, and the self-curling release performance of the thermo-sensitive paper is improved. And the coating uniformity, color development and other properties of the thermo-sensitive paper are effectively improved, and the environment-friendly thermo-sensitive paper which is fast in reaction, bright in color and high in definition during printing is integrally formed.

The invention discloses a biodegradable composite material, which is prepared from the following raw materials in percentage by weight: 60 to 78 percent of polylactic acid, 20 to 30 percent of flexibilizer, 1 to 10 percent of transparent inorganic matter and 0.1 to 0.5 percent of cellulose. According to the invention, the block polyether amide resin is adopted as the flexibilizer and acts together with the PLA resin, and then the inorganic substance zinc sulfide with high transparency is added, so that the obtained composite material has good tensile toughness and excellent heat resistance. Meanwhile, the transparency and the puncture resistance of the biodegradable composite material film are improved, and the tensile toughness and the heat resistance are obviously improved. While being degradable, the adhesive force is good, the pattern integrity is high, the slitting performance is good, and the holographic hot stamping performance of the alumite film is not affected.

To provide a heat-sensitive recording material which is excellent in terms of high-speed printing performance among various performances required for heat-sensitive recording materials, and which is also excellent in terms of printing runnability, oil resistance, solvent barrier properties and the like.SOLUTION: A heat-sensitive recording material has a heat-sensitive recording layer on a supporting body, the heat-sensitive recording layer containing a colorless or pale electron-donating leuco dye and an electron-accepting color developer, while having a protective layer on the heat-sensitive recording layer. The heat-sensitive recording layer contains, as the electron-accepting color developer, at least one urea compound, and the protective layer contains an acrylic resin.SELECTED DRAWING: None

The invention relates to the technical field of alumite hot stamping, and particularly provides laser positioning alumite hot stamping gum and a preparation method thereof. The gum is of an interpenetrating network structure formed by in-situ polymerization of the following components in parts by weight: 25-35 parts of modified polyurethane, 65-75 parts of acrylic resin, 3-5 parts of TiO2 / SiO2 core-shell nanoparticles and 0.5-1.2 parts of a reactive perfluoropolyether interfacial compatibilizer, and the energy storage modulus of the gum at 80 DEG C is 0.8 * 10 < 4 > Pa.s to 1.2 * 10 < 4 > Pa.s. When the temperature of the Si-PU / AR interpenetrating network is increased, physical crosslinking points of Si-PU are dissociated, chemical crosslinking synchronization of AR is too strong, and the effect that the viscosity fluctuation rate is lower in the temperature interval of 65-120 DEG C is achieved.

The utility model discloses a textile digital color hot stamping and gold stamping integrated printing production line which comprises a UV printing device, an automatic powder scattering and shaking device and a drying device. The UV printing device is provided with a UV curing lamp and at least three independent printing nozzles. The color printing nozzles are used for printing color UV printing ink and simulated color UV printing ink, the white printing nozzle is used for printing white UV printing ink, and the gloss oil printing nozzle is used for printing gold stamping gloss oil. The gold stamping and flocking device has the advantages of low cost, high speed, high efficiency and no influence on impression after gold stamping or flocking shedding.

To provide a thermal recording medium that improves the abrasion resistance of the color ink layer by the thermal head and improves printing defects caused by the accumulation of ink residue on the thermal head due to the abrasion of the color ink layer. [Solution] A thermal recording medium comprising a support, a thermal recording layer disposed in a portion of the upper surface of the support, a color ink layer disposed in a portion of the upper surface of the support, a first protective portion disposed in at least a portion of the upper surface of the color ink layer, and a second protective portion disposed on at least the upper surface of the thermal recording layer.