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909 results about "Printing ink" patented technology

Ink is a liquid or paste that contains pigments or dyes and is used to color a surface to produce an image, text, or design.Ink is used for drawing or writing with a pen, brush, or quill.Thicker inks, in paste form, are used extensively in letterpress and lithographic printing.. Ink can be a complex medium, composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants ...

Colorful acid and alkali resistant laser printing ink and preparation method thereof

InactiveCN104403412AGood acid and alkali resistanceOvercome the disadvantage that it is easy to produce depletion when mixed with acid and alkaliInksGlycidyl ethersPrinting ink
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.
Owner:SHENZHEN TIANYITONG ANTI-COUNTERFEITING PACKAGING MATERIALS CO LTD

Special anti-fogery printing ink and production thereof

InactiveCN1613922AWidely used valueBig progressInksSolventMarking Ink
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.
Owner:邱华生

Roller printing ink adjusting mechanism

The utility model provides a roller printing ink adjusting mechanism which comprises a printing roller rotationally connected to a rack, and an ink distributing mechanism is arranged in the printing roller and used for distributing ink to the printing roller. The ink distributing mechanism comprises a mounting support, an ink distributing roller, an ink roller and a distance adjusting assembly, the mounting support is connected to the rack, the ink distributing roller and the ink roller are rotationally connected to the mounting support and are arranged in parallel, and an ink storage groove for containing ink is formed between the ink distributing roller and the ink roller; the distance adjusting assembly is connected to the mounting support and used for adjusting the distance between the ink distributing roller and the ink roller, and then the ink outlet amount is adjusted. The distance adjusting assembly is arranged on the installation support, the distance between the ink distributing roller and the ink roller can be properly adjusted according to the specific environment temperature, and therefore the ink distributing device can adapt to the viscosity of ink in different environments, and it is guaranteed that the ink outlet amount is stable.
Owner:NINGBO RONGDA IMAGINE&INTELLIGENT MFG TECH CO LTD

High-stability gravure ink and preparation device thereof

The invention discloses high-stability gravure ink and a preparation device thereof, and belongs to the technical field of printing materials, and the ink is prepared from polyurethane acrylate hybrid resin, phthalocyanine blue pigment, nano-zinc oxide dispersion, environment-friendly ester solvent, isopropanol and a plurality of auxiliaries according to a specific weight part ratio. The anti-settling property, the leveling property and the storage stability are excellent. The preparation device comprises an intelligent batching unit, a multi-stage efficient mixing and dispersing unit, a vacuum defoaming and curing unit and an online filtering and filling unit which are sequentially arranged in the material flow direction, and is integrally controlled by a central intelligent control system. According to the device, through the unique coaxial different-direction stirring assembly, ultrasonic-assisted dispersion and full-process automatic control, efficient, uniform and continuous production of printing ink is achieved, and the consistency of product quality and production efficiency are remarkably improved. The problems that traditional gravure ink is poor in stability, the production process is dispersed, and the traditional gravure ink depends on manpower are effectively solved.
Owner:ANQING YITU INK TECHNOLOGY CO LTD

Bio-based low-VOC (volatile organic compound) water-based ink composition based on microbial fermentation PHA (polyhydroxyalkanoate) as well as preparation method, application and printing method thereof

ActiveCN121319702AInksLatex rubberBoPET
The invention discloses a bio-based low-VOC (volatile organic compound) water-based ink composition based on microbial fermentation PHA (polyhydroxyalkanoate) as well as a preparation method, application and a printing method thereof, and belongs to the technical field of printing ink and water-based polymer dispersion. The ink adopts a unique protective colloid-free PHA latex system, and is supplemented with precise crosslinking equivalent regulation and control. Compared with the conventional bio-based water-based ink which can be applied to a plastic film only by depending on prime coat or high-energy-consumption drying in the market, the bio-based water-based ink disclosed by the invention can realize excellent adhesion (0-1 level) and wet rubbing resistance on base materials such as BOPP / BOPET and the like without prime coat, and the printing process is greatly simplified. Under the condition that the environment-friendly high standard of low VOC and no PFAS is ensured, the high-speed printing energy consumption is remarkably reduced with lower drying enthalpy, the back sticking pain point is solved, meanwhile, the long working life and the excellent paper-based ink removal property are achieved, and the industrial problem that environment-friendly compliance and high-performance printing are difficult to achieve at the same time is effectively solved.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3

Paper product printing ink quantity intelligent control method based on artificial intelligence

The invention discloses a paper product printing ink quantity intelligent control method based on artificial intelligence. The method comprises the steps that firstly, paper face visual image data and a structured working condition parameter sequence are collected; 2, preprocessing is carried out, and a visual feature tensor and a structured parameter tensor are generated; 3, carrying out the combined feature extraction and fusion modeling of the visual feature tensor and the structured parameter tensor through an improved MobileViT network; 4, frequency domain enhancement and predictive reasoning are executed through the improved TabPFN predictive model, and an ink quantity predictive value and an ink quantity adjustment amplitude are generated; 5, an ink supply control instruction optimization objective function is constructed, and an optimal ink supply control instruction is generated; 6, executing ink quantity adjustment based on the optimal ink supply control instruction; and step 7, collecting feedback data after the ink amount is adjusted, and performing incremental updating on the improved TabPFN prediction model. The precision and the multi-working-condition self-adaptive capacity of paper product printing ink quantity regulation and control are improved.
Owner:FOSHAN SHUNDE JIAMI PRINTING CO LTD

Novel efficient light conversion photovoltaic glass and preparation method thereof

The invention belongs to the technical field of solar photovoltaics, and provides novel efficient light conversion photovoltaic glass and a preparation method thereof.The preparation method comprises the steps that glass colored glaze ink corresponding to the novel efficient light conversion photovoltaic glass is prepared, and glass powder, a light conversion material, pearl powder, light diffusion particles and an organic carrier are mixed; the content of the light conversion material is more than 5% and less than 30%; the particle size of the pearl powder is larger than 5 microns and smaller than 20 microns, and the content is larger than 1% and smaller than 10%; the content of the light diffusion particles is greater than 0.1% and less than 5%; printing the prepared glass colored glaze ink on the surface of the front plate glass layer; carrying out toughening treatment on the front plate glass layer printed with the glass colored glaze printing ink, and sintering the glass colored glaze printing ink to form a glass colored glaze layer; the battery piece is bonded to the front plate glass layer with the glass colored glaze layer through the upper adhesive film layer, the back plate glass layer is bonded to the battery piece through the lower polymer adhesive film layer, and preparation of the novel efficient light conversion photovoltaic glass is completed.
Owner:FAR EAST PHOTOVOLTAIC TECHNOLOGY (GUANGDONG) CO LTD

Yellowing-resistant light-cured organic silicon resin and preparation method thereof

The invention discloses yellowing-resistant light-cured organic silicon resin and a preparation method thereof, and belongs to the technical field of light-cured resin. The resin is prepared from the following raw materials in parts by weight: 80 to 100 parts of vinyl-terminated polysiloxane, 15 to 25 parts of trimethylolpropane tri (3-mercaptopropionate), 1 to 3 parts of yellowing-resistant aid, 2 to 4 parts of photoinitiator and 0.5 to 1 part of flatting agent. When the resin is prepared, the raw materials are uniformly mixed under a dark condition, and the resin is obtained after vacuum defoaming. Wherein the yellowing-resistant auxiliary agent is a benzotriazole ultraviolet light absorber and is synthesized through a multi-step reaction, the structure simultaneously contains a benzotriazole ring and anthryl, and the benzotriazole ring and the anthryl have a synergistic effect so that ultraviolet rays can be efficiently absorbed and yellowing can be inhibited. The obtained resin has excellent yellowing resistance and high curing speed, and is suitable for the fields of coatings, printing ink, adhesives, electronic packaging and the like.
Owner:DONGGUAN JIUTIAN QUANTUM TECH CO LTD

Method for realizing in-hole signal isolation based on chemical copper deposition resisting ink and selective chemical copper deposition process

The invention relates to a method for realizing in-hole signal isolation based on chemical copper deposition resisting ink and a selective chemical copper deposition process, which comprises the following steps of: coating the chemical copper deposition resisting ink at preset hole opening positions on two sides of a PCB (Printed Circuit Board) core board to form chemical copper deposition resisting ink film layers; a palladium poisoning agent and a surface active agent for inhibiting palladium adsorption are added into the chemical copper deposition resisting ink; laminating the PCB core board to be separated with other boards to form a pretreated board; performing trepanning treatment on a preset trepanning position of the pretreatment plate to form a via hole; and performing chemical copper deposition treatment on the pre-treated board to form a copper layer on the side wall of the via hole of the pre-treated board, and removing the chemical copper deposition resistant ink film layer from the pre-treated board to form the PCB. Therefore, due to the fact that the palladium poisoning agent and the surface active agent for inhibiting palladium adsorption are added into the anti-electroless copper deposition printing ink, the formed anti-electroless copper deposition printing ink film layer is resistant to attack of chemical copper series liquid medicine, the problem of copper coating on a separation layer can be effectively reduced or eliminated, and in-hole signal separation can be effectively achieved.
Owner:SHENZHEN HUAXUN MICROELECTRONIC MATERIALS CO LTD

Hydrophobic-heat-insulating-flame-retardant integrated aerogel composite material and preparation method thereof

The invention discloses a hydrophobic, heat-insulating and flame-retardant integrated aerogel composite material and a preparation method thereof, and relates to the technical field of aerogel materials, the composite material comprises a polyimide-polyurethane hybrid polymer aerogel skeleton, a bionic directional micro-channel structure and an anchored graphene and carbon nanotube composite photothermal conversion layer are arranged in the skeleton, and a double-microcapsule self-repairing system is uniformly dispersed; the surface of a framework is modified with a perfluoroalkylsilane hydrophobic layer, a phosphorus-nitrogen-silicon synergistic flame-retardant system is introduced into a hybrid polymer network, and the preparation method comprises the steps that printing ink containing a double-microcapsule self-repairing system and a flame retardant is prepared, a gel blank is constructed through direct-writing forming 3D printing, and after freeze drying and programmed temperature rising thermal imidization treatment, the flame-retardant self-repairing gel is obtained. The hydrophobic layer is modified through chemical vapor deposition, and the composite material has hydrophobic, heat-insulating and flame-retardant properties and micro-damage self-repairing capability, and is suitable for the fields of aerospace, building heat preservation, new energy and the like.
Owner:WUHAN INST OF TECH

Water-based silk-screen printing oil, applied water-based silk-screen printing protective film and construction process of water-based silk-screen printing protective film

The invention relates to the field of printing ink, and particularly discloses water-based silk-screen printing oil, an applied water-based silk-screen printing protective film and a construction technology of the water-based silk-screen printing oil. The water-based silk-screen printing oil is prepared from the following raw materials: water, filler, a film-forming agent, polydimethylsiloxane dispersion liquid, polyamide wax, a polyether siloxane copolymer, an amine neutralizer and a resin matrix; the resin matrix is a mixture of water-based polycarbonate resin or water-based polyurethane resin and water-based soft polyurethane resin; the invention also discloses a water-based silk-screen protective film prepared from the water-based silk-screen ink through a silk-screen process, and also discloses a construction process of the water-based silk-screen protective film, and the construction process comprises the following steps: respectively preparing a primer and a finish paint; the preparation method comprises the following steps: respectively preparing a primer and a finish paint, mixing, carrying out silk-screen drying to form a primer layer, mixing the finish paint with a water-based high-temperature-resistant curing agent, and carrying out silk-screen to form a finish paint layer. The preparation method has the characteristic of preparing the environment-friendly high-temperature-resistant strippable water-based silk-screen printing ink.
Owner:DONGGUAN ZHONGHESHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Silk-screen printing ink cleaning equipment

The invention relates to the technical field of printing ink cleaning, in particular to silk-screen printing ink cleaning equipment which comprises a cabinet, a water outlet pipe and a water inlet pipe are arranged at the bottom of the cabinet, and the water inlet pipe is communicated with a cleaning treatment structure; and the cleaning treatment structure is used for cleaning the silk screen plate, and the hot-air blower communicates with the cleaning treatment structure through an air outlet to conduct drying treatment. Efficient sealing treatment is carried out by arranging a closing door plate and a sealing turnover door, a cleaning treatment structure is arranged in the machine cabinet and used for positioning and cleaning a silk screen plate, a limiting part is used for positioning the silk screen plate, a supporting vertical frame is fixed to the machine cabinet and a second partition plate, an extrusion block is hinged to the supporting vertical frame through a hinge shaft, and a second electric control telescopic rod stretches out and draws back; the overturning limiting block is controlled to rotate around the hinge shaft, so that the extrusion block is extruded and attached to the silk screen plate, then the overturning limiting block is screwed, the silk screen plate is positioned and fixed, and therefore the silk screen plate is cleaned under the limiting condition.
Owner:EASTERN LIAONING UNIV

Method for evaluating quality stability of ink for cigarette paper

The invention belongs to the field of tobacco products, and relates to a method for evaluating the quality stability of ink for cigarette paper, which comprises the following steps: respectively mixing reference ink and ink to be detected with first and second organic solvents, separating out first and second liquids with the maximum layer thickness, concentrating or drying, and dissolving to obtain a first concentrated solution / solution and a second concentrated solution / solution; performing infrared spectrum detection on the first concentrated solution / solution, and performing matching degree calculation on all waveforms of a spectrogram; comparing the spectrogram with a standard spectrogram to determine main resin types; detecting the second concentrated solution / solution by gel permeation chromatography, calculating the number-average molecular weight of main resin by an external standard method according to a chromatogram, and then calculating the deviation ratio of the number-average molecular weight of the main resin of the to-be-detected ink and the reference ink; and calculating the comprehensive score according to the formula that the comprehensive score = w1 * all waveform matching degrees of the infrared spectrogram + w2 * (1-main resin number-average molecular weight deviation ratio). The method provided by the invention can rapidly and accurately evaluate the quality stability of the printing ink for the cigarette paper.
Owner:FUJIAN XINYE INVESTMENT & MANAGEMENT GRP CO LTD

A gravure printing ink composition and a method for preparing the same

This invention discloses a gravure printing ink composition and its preparation method. The ink, by weight, comprises: 15-35 parts chlorinated polypropylene, 10-20 parts EVA-40W, 4-8 parts rosin-modified resin, 0.3-0.8 parts polyketide resin, 0.1-0.3 parts chlorinated ether resin MP45, 0.3-0.8 parts silica, 0.05-0.15 parts antistatic agent, 0.2-0.5 parts dispersant, 0.1-0.3 parts modified aluminum silicate AM660, 8-12 parts benzidine yellow, 6-10 parts fast red BHXL-T, 3-5 parts permanent orange yellow No. 13, 3-7 parts calcium powder, and 30-50 parts mixed solvent. During preparation, each resin is pre-dissolved separately, then mixed with pigments, additives, etc., and ground to a fineness ≤15μm. The ink of this invention has bright colors, good light resistance, excellent adhesion, antistatic properties, and printability, and is particularly suitable for gravure printing on polyolefin films.
Owner:HENAN ZICHEN NEW MATERIALS CO LTD

Corn wax oxides and esterification products

The present invention relates to light-colored corn wax oxides, to a process for their preparation, and to their use for agricultural or forestry purposes, as additives in plastic processing, in care products, in printing inks and / or in paints, and to saponified or esterified corn wax oxides prepared by saponification or esterification of the said corn wax oxides.
Owner:CLARIANT INT LTD

Printing ink and preparation method thereof

The invention provides a preparation method of printing ink and a product thereof. According to the method, 2-(2-vinyloxyethoxy) ethyl acrylate and polyoxyethylene lauryl ether are adopted to improve the leakage resistance of the bottom-covering ink; the steady-state surface tension of the ink is set to be smaller than the surface tension of the ink holding part, and the ink use efficiency is improved by increasing the difference value between the two surfaces; the surface tension of the bottom layer ink is larger than that of the surface layer ink, so that the spreading capacity of the surface layer ink during superposition printing is improved; through deoxidation treatment, the jet stability of the ink is improved; 1, 2, 2, 6, 6-pentamethyl-4-piperidyl methacrylate is adopted, so that the storage stability of the ink is improved; surface layer ink and a carbonyl-containing printing medium are isolated through bottom covering ink, black scales are peeled off through N-cyclohexyl-2-pyrrolidone, and the light resistance of surface layer ink printed matter is improved.
Owner:SHENZHEN ZHENGWEI NEW MATERIALS CO LTD +1

Label printing ink batching device

The utility model discloses a label printing ink batching device which comprises a mixing drum, a batching mechanism installed on the left side of the top of the mixing drum, a rotating mechanism installed in the middle of the top of the mixing drum and a material taking mechanism arranged on the right side of the mixing drum, the rotating mechanism comprises a motor, and the driving end of the motor is fixedly connected with a driving shaft. According to the label printing ink batching device, the ink box is inserted into the cavity pipe, the first electric push rod is controlled to push the push head to squeeze the ink box, ink is discharged out of the discharging opening in the bottom of the ink box and added into an inner cavity of the stirring barrel through the arc-shaped pipe, and white ink ingredients in the inner cavity of the stirring barrel are stirred in a matched mode.
Owner:GUANGDONG JIACAI CO LTD

Display structure and electronic paper

The invention discloses a display structure and electronic paper. The display structure comprises a first electrode layer, a pixel wall, ink and a bimetallic layer, the pixel wall is arranged on the first electrode layer, and the pixel wall encloses a pixel space; the ink is accommodated in the pixel space and is connected with the first electrode layer; the bimetallic layer is connected with the inner wall of the pixel wall and comprises a first metal layer and a second metal layer, and the thermal expansion coefficient of the first metal layer is larger than that of the second metal layer; after the bimetallic layer is electrified, at least part of the bimetallic layer is bent, and the orthographic projection of the bimetallic layer on the first electrode layer covers the ink. The display structure can shield the shrunk printing ink, and the display problem caused by printing ink residues is solved.
Owner:HKC CORP LTD

Oleophobic and hydrophobic glass product as well as preparation method and application thereof

PendingCN121318172APolymer sciencePrinting ink
The invention discloses an oleophobic and hydrophobic glass product as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) providing a glass substrate which is provided with a front surface and a back surface, printing ink on the back surface of the glass substrate, and sintering to form an ink layer; (2) performing plasma treatment on the front surface of the glass substrate treated in the step (1); (3) spraying an oleophobic and hydrophobic coating on the front surface treated in the step (2); (4) performing room-temperature surface drying on the glass substrate treated in the step (3) to form an oleophobic and hydrophobic layer; and (5) repeating the steps (3)-(4) for 1-5 times to form 2-6 oleophobic and hydrophobic layers, thereby obtaining the oleophobic and hydrophobic glass product. By adopting the preparation method disclosed by the invention, the oleophobic and hydrophobic effects of the oleophobic and hydrophobic glass product can be effectively ensured, and meanwhile, the adhesive force between the oleophobic and hydrophobic coating and the glass substrate can be effectively improved.
Owner:DONGGUAN SHINE GLASS CO LTD

Ink splashing prevention protection structure for photogravure press

The utility model discloses an ink splashing prevention protection structure for a photogravure press, which comprises a fixed sleeve, a telescopic sleeve capable of sliding along the axial direction of the fixed sleeve is arranged in the fixed sleeve, and a flange plate is arranged at one end of the fixed sleeve; the outer side end, away from the flange plate, of the telescopic sleeve extends out of the fixing sleeve and is rotationally connected with a rotating ring disc through a copper sleeve, and a blocking cover is further fixedly arranged on the outer wall of the outer side end of the telescopic sleeve and is of a fan-shaped structure. A hole in one end of the plug sleeve is a round hole, a hole in the other end of the plug sleeve is a taper hole, the round hole is communicated with the taper hole, the plug sleeve is fixedly connected with the rotating ring disc through a screw, the outer diameter of the rotating ring disc is larger than that of the plug sleeve, and the rotating ring disc and the plug sleeve are both located in a covering area of the blocking cover. The printing plate roller has the advantages of preventing printing ink on the printing plate roller from splashing to a printing base material, being good in protection and sealing effect on the top plate shaft and the printing roller plug, simple in structure, convenient to disassemble and assemble, flexible and convenient to use and the like.
Owner:HENAN YINJINDA COLOR PRINTING

Method for printing heterostructure material by using same printing ink and application thereof

PendingCN121203407AAdditive manufacturing apparatusSupport matrixSurface cleaning
The invention discloses a method for printing a heterostructure material by using the same printing ink and application thereof. The method for printing the heterostructure material by using the same printing ink comprises the following steps: 1) preparing a support substrate and the printing ink; (2) adding different types of supporting substrates into different compartments of a container with a detachable partition plate respectively, and defoaming after the partition plate is detached, so as to obtain a heterostructure supporting substrate; and (3) the printing ink is loaded into a printing device, a printing head of the printing device extends into the heterostructure supporting matrix to conduct embedded 3D printing along a set printing path, crosslinking curing is conducted, an obtained workpiece is taken out, surface cleaning is conducted, and the heterostructure material is obtained. The embedded 3D printing technology and the silica gel cross-linking reaction principle are combined, the heterostructure material can be printed through the same printing ink, multiple nozzles and ink switching are not needed, and the device has the advantages of being easy to operate, high in universality, high in efficiency and the like and is suitable for large-scale industrial application.
Owner:SOUTH CHINA UNIV OF TECH

Two-dimensional insulator based printable ion-conductive and viscosity-tunable inks, fabricating methods and applications of same

The invention relates to printable ion-conductive and viscosity-tunable inks based on two-dimensional (2D) insulators, forming methods and applications of the inks. The 2D insulating material based printable ink includes at least one solvent; and an exfoliated composition dispersed in the at least one solvent. The exfoliated composition includes a 2D insulating material and a dispersant and stabilizing agent. The printed structures of the 2D insulating material based printable ink possess high ionic conductivity, chemical and thermal stability, and electrically insulating character, which are an ideal set of characteristics for printable battery components such as separators and solid electrolytes.
Owner:NORTHWESTERN UNIV

Aqueous dispersion of polyamide resin, printing ink, and method for producing aqueous dispersion of polyamide resin

The present invention provides an aqueous polyamide resin dispersion that does not require the removal of organic solvents and exhibits excellent storage stability, adhesion to PET and OPP substrates, ejection stability when used as an inkjet ink, and abrasion resistance of printed materials. [Solution] A polyamide resin aqueous dispersion containing a polyamide resin (A) and a surfactant (B), wherein the total amine value of the polyamide resin (A) is less than the acid value of the polyamide resin (A), the total amine value of the polyamide resin (A) is 0.5 to 10 mg KOH / g, the surfactant (B) contains a polyoxyalkylene alkyl ether, and the content of the surfactant (B) is 9 to 35% by weight based on the total weight of (A) and (B).
Owner:SANYO CHEM IND LTD

Photocurable inkjet printing ink composition

An object is to improve all of the following with respect to a photocurable inkjet printing ink composition: discharge stability during printing, as well as tackiness, base material adhesion, bending resistance, abrasion resistance, and solvent resistance of cured coating film. As a solution, a photocurable inkjet printing ink composition is provided that contains a colorant, photopolymerizable components, and photopolymerization initiator, and satisfies all of conditions (1) to (3) below.(1) an ethylene oxide-modified bifunctional monomer is contained by 5.0 to 40.0% by mass, and monofunctional monomers are contained by 60.0% by mass or more, relative to all photopolymerizable components(2) the theoretical Tg of the ethylene oxide-modified bifunctional monomer is 20° C. or lower(3) the theoretical Tg of a copolymer of solely the monofunctional monomers is 20 to 40° C.
Owner:SAKATA INX

An ink fountain system for a gravure printing press that facilitates adjustment of ink temperature

The utility model relates to the intaglio printing technical field, especially an intaglio printing ink tank system of ink temperature convenient to adjust is provided, including temperature regulating device and ink tank, the ink tank includes ink printing tank and temperature regulating tank, the ink printing tank is used for holding ink, the temperature regulating tank is installed in the bottom of ink printing tank, the ink printing tank with temperature regulating tank forms the cavity for accommodating liquid medium together, the temperature regulating tank is installed with temperature regulating coil pipe, the water inlet and return water mouth of temperature regulating coil pipe are worn in the lateral wall of temperature regulating tank, and the water inlet and return water mouth of temperature regulating coil pipe are connected with temperature regulating device respectively, and the circulating pump is equipped in temperature regulating device, temperature regulating coil pipe with temperature regulating device connection becomes circulation loop, temperature regulating device is used for adjusting the temperature of the water that flows through temperature regulating coil pipe, solves the problem that the performance is unstable in the printing process, and ink is influenced by ambient temperature.
Owner:GUANGDONG TIANAN POLYMER TECH CO LTD +1

Photosensitive resin composition containing acridine methylene quaternary ammonium salt photosensitizer and application thereof

The invention provides a photosensitive resin composition containing an acridine methylene quaternary ammonium salt photosensitizer and application of the photosensitive resin composition, quaternary ammonium group substituted methylene is introduced to the ninth position of a structural main body acridine ring of the photosensitizer, and acid radical or halogen is adopted as equilibrium anion. According to the photosensitizer, a quaternary ammonium salt group is introduced to the 9 site of an acridine ring, so that the problems that a traditional 9-phenylacridine photosensitizer is poor in compatibility, prone to crystallization and precipitation, insufficient in water solubility, weak in antistatic performance and the like in a formula are effectively solved. The photosensitive resin composition disclosed by the invention shows excellent dispersion stability, high sensitivity and high resolution, and can be used for remarkably reducing precipitates in a developing process and reducing poor lamination caused by static accumulation. The photosensitive dry film prepared based on the composition is suitable for fine pattern manufacturing in the fields of dry films, paints, coatings, printing ink, forming materials and the like, and has high yield and production efficiency.
Owner:HUNAN INITIAL NEW MATERIALS CO LTD

Packaging box printing ink color matching device

The utility model provides a packaging box printing ink color matching device which comprises a color matching cylinder. The mixing groove is formed in the middle of the top of the color mixing cylinder, a fixing plate is fixedly installed in the middle of the top of the color mixing cylinder, and a stirring device is fixedly installed in the middle of the top of the fixing plate and comprises a servo motor, a rotating stick and a stirring plate; the pushing device is fixedly installed on the top of one side of the outer surface of the color mixing barrel and comprises a fixing block, a sliding rod, a spring and a check block. According to the packaging box printing ink color matching device, through mutual cooperation of the pushing device and the cleaning device, an operator can conveniently hold the connecting rod to push the scraping plate to scrape residual ink on the surface from top to bottom on the inner wall of the mixing groove, and the device is simple in structure, high in practicability and high in practicability. And the cleaning device can automatically return after scraping residual ink on the surface of the inner wall, so that an operator can conveniently clean the color mixing cylinder, the labor intensity of the operator is reduced, and the practicability of the device is improved.
Owner:ANHUI YINGCAI PRINTING TECHNOLOGY CO LTD

Double-color single-sheet printer

The utility model discloses a bicolor single sheet printer, which comprises a paper storage bin, a transmission channel used for conveying card paper sheets and a printing device which are sequentially arranged from back to front, the printing device comprises a printing head assembly, the printing head assembly comprises a heating plate arranged at the tail end of the transmission channel, and the heating plate is provided with a printing head; the heating plate is configured to provide at least two heating temperatures; and the printing roller is arranged above the printing head assembly. Through the heating plate capable of providing two temperatures, the heating plate can react with a covering film on a card paper sheet or printing ink on a printing head, so that two different colors are displayed, meanwhile, due to the fact that the paper storage bin, the conveying channel used for conveying the card paper sheet and the printing device are sequentially arranged from back to front, the structural arrangement is compact, and the printing efficiency is improved. The device is small in size, is suitable for miniaturization, and is higher in reliability.
Owner:SHENZHEN AOLAI XINCHUANG TECH CO LTD

Waste offset printing ink recovery treatment method and application

The invention discloses a waste offset printing ink recovery treatment method and application, and belongs to the technical field of printing ink, the recovery treatment method comprises the following steps: mixing and stirring waste offset printing ink and n-hexane through pretreatment, and removing solid-phase slag through centrifugal separation to obtain a liquid phase; concentrating the liquid phase, recovering the solvent and reserving concentrated slurry; secondly, directionally dissolving the low-molecular resin and the high-molecular resin by butyl acetate and ethylene glycol diacetate respectively through two-stage counter-current extraction and centrifugal separation to obtain a low-molecular resin solution, a high-molecular resin solution and pure pigment slurry; mixing the two resin solutions, recovering the solvent through multi-tower rectification, and refining through short-path molecular distillation to obtain regenerated resin; and finally, performing ultrasonic purification, modification and spray drying on the pigment slurry to obtain the regenerated pigment. According to the waste offset printing ink recycling treatment method and application, an efficient and reliable solution is provided for recycling of waste offset printing ink.
Owner:YUNNAN XILE TECH CO LTD

Printing ink abrasion resistance tester

The utility model relates to the technical field of ink friction tests, and discloses an ink abrasion resistance tester which comprises a main machine, a placing plate is fixedly installed on the outer wall of the main machine, a moving rod is fixedly assembled on the outer wall of the main machine, a fixing block is movably connected to the outer wall of the moving rod in a sleeved mode, and a weight is fixedly assembled on the top of the fixing block. And a fixed shell is fixedly mounted at the top of the placement plate, and an extension shell is fixedly mounted on the outer wall of the fixed shell. By rotating a second threaded rod, the second threaded rod drives a telescopic plate to move towards the bottom of an inclined block through a transverse plate, the inclined block is jacked up through attachment of the inclined block and the telescopic plate, then the inclined block drives a first magnet to move upwards, and at the moment, an ink sample is placed on the top of a second magnet; a telescopic plate is retracted by rotating a second threaded rod, then a first magnet is pressed downwards through a spring, the first magnet is attached to the top of the ink sample, and then the ink sample is fixed through attraction force of the first magnet and the second magnet.
Owner:MAITREYA DAFENG TECH CO LTD