2493 results about "Printing ink" patented technology

The invention provides a photosensitive resin composition containing a photobleaching aminomethyl anthracene photosensitizer and application thereof.The structural main body anthracene ring of the photosensitizer introduces an aminomethyl functional group to the 9th and / or 10th site: through introduction of the aminomethyl functional group, while the electron cloud density of polycyclic aromatic hydrocarbon is maintained, the maximum absorption wavelength is subjected to red shift, and the photosensitive resin composition is especially suitable for a 405nm illumination system; the initiation efficiency is obviously improved; the exposure energy is reduced; compared with an existing DBA type photoinitiator, the problem of alkoxy carbon-oxygen bond breakage caused by p-pi conjugation of DBA is avoided, generation of small molecule fragments is effectively inhibited, defects are reduced, and the yield is increased. In addition, compared with DPHA and DAcOA, the photosensitizer also shows better solubility and formula compatibility. The preparation method has the characteristics of simple preparation process and low cost, and can be widely applied to the photocuring fields of dry films, paints, coatings, printing inks, forming materials and the like.

The invention discloses a PCB ink-jet printing pretreatment agent, a preparation method thereof and a PCB ink-jet printing method, and relates to the technical field of printed circuit board production. The PCB ink-jet printing pretreatment agent is prepared from the following components in mass concentration: 0.1 to 0.5 percent of an anti-diffusion agent, 0.1 to 0.5 percent of a wetting agent, 0.2 to 1.0 percent of a homogenizing agent, 0.5 to 2.5 percent of a dispersing agent, 0.1 to 3.0 percent of a cosolvent and the balance of water. The PCB ink-jet printing pretreatment agent can be used in a surface treatment procedure of a fine PCB pattern ink-jet printing process, a uniform organic layer can be formed on a PCB copper surface and a substrate surface, and the organic layer can effectively reduce surface tension of the copper surface and the substrate surface, prevent diffusion of jet printing ink on the PCB surface, promote uniform arrangement of the ink and improve the printing quality of the PCB. Stable and neat linear ink can be formed, and the product yield of a fine line ink-jet printing process is improved.

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 technical field of fault monitoring, in particular to a remote network printer fault monitoring management method and system. The method comprises the following steps: acquiring remote printing demand data; the 2D printing style of the remote printing demand data is confirmed, the ink content needed by the 2D printing style is calculated, and ink demand data is obtained; the storage content of printing ink is obtained through an ink monitoring sensor arranged in the remote network printer; performing ink shortage judgment on the ink storage content and the ink demand data, generating first fault early warning data or standby ink content, and continuously monitoring printing head state data of the remote network printer; and carrying out use temperature monitoring on the printing head state data, and carrying out ink evaporation analysis on the printing ink storage content by utilizing a temperature monitoring result to generate ink evaporation data. According to the invention, through intelligent ink monitoring, temperature monitoring and ink jet abnormity repairing strategies, the fault diagnosis accuracy and processing efficiency of the remote network printer are improved.

The invention discloses a fine circuit pattern anti-diffusion agent as well as a preparation method and a use method thereof, and relates to the technical field of printed circuit board manufacturing. The fine circuit pattern anti-diffusion agent is prepared from the following components in percentage by mass: 0.05 to 0.3 percent of an oleophobic agent, 0.1 to 0.6 percent of a bonding agent, 0.2 to 1.5 percent of an adhesion promoter, 0.5 to 4.0 percent of a wetting agent, 0.5 to 5.0 percent of a cosolvent and the balance of water, the oleophobic agent is a fluorophenylethylamine derivative, the bonding agent is a carbonyl chloride derivative, the adhesion promoter is a sulfur heterocyclic alkane derivative, the wetting agent is a methylsiloxane silane derivative, and the cosolvent is a sulfonyl ketone derivative. According to the fine circuit pattern anti-diffusion agent, an organic layer can be formed on the copper surface of a circuit board, the binding force between the copper surface and printing ink is enhanced, jet printing printing ink is prevented from diffusing on the copper surface, and the product percent of pass of a jet printing solder mask process is improved.

The invention provides a display panel and a display device.The display panel comprises a display area and a non-display area located on at least one side of the display area, the display area is provided with a plurality of light-emitting pixel units, and the non-display area is provided with at least one virtual pixel unit. The area of the virtual pixel units is larger than that of the light-emitting pixel units of the display area, and the maximum film-forming height difference of the virtual pixel units is larger than that of the light-emitting pixel units, so that when the film-forming light-emitting material layer is formed through ink-jet printing, the film-forming height difference of the virtual pixel units is larger than that of the light-emitting pixel units. The area where the large-area virtual pixel units are formed can contain more printing ink, so that a large amount of solvent atmosphere is created in the area to eliminate the influence of non-uniform vacuum drying, and the film forming uniformity of the light-emitting pixel units in the display area is further improved.

The invention discloses an INS film with excellent comprehensive performance, which comprises a surface protection layer, an upper base material layer, a printing ink layer, a bonding glue layer and a lower base material layer which are sequentially superposed from top to bottom, the surface protection layer is prepared from the following raw materials in parts by weight: 75-135 parts of polyester polyol resin, 30-60 parts of hydroxy acrylic resin, 2-25 parts of an isocyanate curing agent, 2-17 parts of a closed curing agent, 2-25 parts of a chain extender, 0.5-8 parts of a catalyst, 0.5-2 parts of an antioxidant and 0.5-3 parts of an ultraviolet light absorber. According to the surface protection layer of the INS film, the high-temperature condition of a high-temperature plastic uptake procedure of the INS film in preparation of INS parts is well utilized, so that the closed curing agent is effectively excited to perform secondary cross-linking curing reaction. The INS film is good in surface chemical reagent resistance, has the characteristics of high heat stretch rate, high hardness and scratch resistance, has excellent ultraviolet irradiation yellowing resistance, and is particularly suitable for the field of in-mold decoration.

The invention provides a display panel and a display device.The display panel comprises a display area and a non-display area located on at least one side of the display area, the display area is provided with a plurality of light-emitting pixel units, and the non-display area is provided with at least one virtual pixel unit. The area of the virtual pixel units is larger than that of the light-emitting pixel units of the display area, and the maximum film-forming height difference of the virtual pixel units is smaller than that of the light-emitting pixel units. The area where the large-area virtual pixel units are formed can contain more printing ink, so that a large amount of solvent atmosphere is created in the area to eliminate the influence of non-uniform vacuum drying, and the film forming uniformity of the light-emitting pixel units in the display area is further improved.

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.

The invention provides an ink quality online monitoring method and system based on multi-sensor fusion, and relates to the technical field of printers, and the method comprises the steps: obtaining the temperature, humidity, pH value, viscosity, particle thickness, flow velocity and other data collected by a plurality of sensors in the production process of water-based ink, and employing a multi-sensor data fusion algorithm of adaptive weight, calculating a sensing weight corresponding to the sensor data, and combining the sensor data to obtain fused water-based ink quality characteristic data; establishing a water-based ink quality prediction model by adopting a support vector machine algorithm, and inputting the fused water-based ink quality feature data into the trained water-based ink quality prediction model to obtain a water-based ink quality prediction result; and if the water-based ink quality prediction result does not meet the preset condition, judging that the water-based ink quality is unqualified, sending a feedback signal in a preset format to water-based ink production equipment, and adjusting water-based ink production parameters through a PID controller of the water-based ink production equipment. According to the method, the related parameters of the ink can be monitored and reflected in real time, and the possible problem of artificial false description is solved.

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.

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 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.

The utility model discloses a printing ink blocking mechanism for preventing ink splashing, and relates to the technical field of gravure printing machines, including a base, an ink tank fixedly installed on the top of the base, a wedge-shaped mounting block fixedly installed on one side of the ink tank, and a sliding plate slidably installed in the wedge-shaped mounting block. The utility model inserts a spring steel sheet into the sliding plate, and then fixes it by bolts, and then inserts the sliding plate as a whole into the wedge-shaped mounting block, and limits the position by the block, because the spring steel sheet has elasticity, at this time, the upper end of the spring steel sheet contacts the scraper, and when the scraper needs to be adjusted, the spring steel sheet can always contact the lower end of the scraper, and the ink splashed from the ink transfer roller will be blocked by the guide slope of the spring steel sheet, and then flow back into the ink tank through the guide slope, and because the sliding plate is slidably installed on the wedge-shaped mounting block, when the gravure printing machine is stopped, the sliding plate can be slid out as a whole, and then the spring steel sheet can be wiped, and cleaning is also more convenient.

The invention provides a color-changing embossment texture three-dimensional reinforcing structure and a preparation method thereof. The color-changing embossment texture three-dimensional reinforcing structure comprises a first texture layer, a base material layer and a second texture layer, the first texture layer and the second texture layer are distributed on the two sides of the base material layer; the first texture layer structure and the second texture layer structure are inclined plane structures arranged according to the Fresnel law, and the first texture layer structure and the second texture layer structure are complementary structures; ink filling layers are arranged in concave parts in the inclined surface structures of the first texture layer and the second texture layer; the particle size of the printing ink is smaller than the width of the sunken part, and the particle size range of the printing ink is 10 nm to 15 microns. Ink filling is carried out in the inclined plane structure, and the effect of different colors in different depths can be formed according to the arrangement of the structure.

The invention discloses an alkali-washable aluminum foil etching gravure printing UV ink. The gravure UV ink comprises the following components in parts by weight: 30-50 parts of a UV prepolymer, 20-30 parts of a UV monomer, 6-20 parts of an initiator, 10-30 parts of an inorganic filler, 1-5 parts of a pigment, 0.1-3 parts of a dispersant, 0.1-2 parts of a leveling agent, 0.1-2 parts of a defoaming agent and 0.1-2 parts of an adhesion aid. According to the gravure UV etching protection ink, the special UV prepolymer and the UV monomer are matched with the filler, so that the prepared gravure UV etching protection ink not only has excellent aluminum foil adhesive force, but also has excellent corrosion resistance of hot hydrochloric acid, particularly provides effective protection for circuit edges, and meanwhile, the gravure UV etching protection ink can rapidly retreat a film in a sodium hydroxide aqueous solution with the concentration of 1% or above and the temperature of 40 DEG C, so that the service life of the gravure UV etching protection ink is prolonged. When the prepared gravure UV ink is used for gravure printing, diffusion of knife lines and printing lines cannot be generated, and possibility is brought to cost reduction and efficiency improvement of the industry.

The invention discloses a cleaning device for cigarette tipping paper equipment, and relates to the technical field of cigarette production, the cleaning device comprises a base, a case and a rack, the case and the rack are mounted on the base, a guide roller is rotatably connected between the case and the rack, and the guide roller is mounted on the base. A cleaning mechanism is arranged between the machine box and the machine frame and used for cleaning the roller face of the guide roller, the cleaning mechanism comprises a cleaning box and a main shaft, the two ends of the cleaning box are connected with the machine box and the machine frame respectively, the cleaning box is installed under the guide roller, and the portion, between the cleaning box and the guide roller, of the machine frame is rotationally connected with a rotating ring. The guide roller can be cleaned during the working period of tipping paper equipment, impurities such as printing ink, gilding aluminum foil fragments and paper scraps on the roller surface of the guide roller are effectively removed, the situation that the impurities on the roller surface adhere to follow-up tipping paper along with rotation of the guide roller is prevented, and the situation that the tipping paper is polluted repeatedly when guided and conveyed on the guide roller is avoided.

The invention discloses a mineral oil defoaming agent for water-based paint ink and a preparation method of the mineral oil defoaming agent, and belongs to the technical field of defoaming agents. A hydroxyl-terminated butenyl polymer and hydrogen-containing silicone oil are used for preparing a modified butenyl polymer under the condition of a platinum catalyst; and preparing the mineral oil defoaming agent from the obtained modified butenyl polymer, mineral oil, white carbon black, fatty acid metal soap and wax under the action of an emulsifier. The mineral oil defoaming agent prepared by the invention not only has the advantage of high defoaming speed of a conventional mineral oil defoaming agent, but also has improved compatibility and stability, is a defoaming agent with strong defoaming ability, good foam inhibition performance, good compatibility with paint and ink and reduced coating shrinkage phenomenon, and has good application prospects in the fields of paint and ink. The method has a wide application prospect especially in the field of home decoration water-based paint ink.

The invention discloses a selective ink transfer printing method based on a liquid-like surface. The selective ink transfer printing method comprises the following steps that 1, the surface of a base body is treated through oxygen plasma; step 2, dissolving a reaction monomer in methylbenzene containing saturated water; step 3, placing the substrate subjected to oxygen plasma treatment in the reaction solution in the step 2 to form a PDMS molecular brush; step 4, performing pattern design on the surface of the PDMS molecular brush by adopting a mask process, treating by using an alkali solution, selectively removing the molecular brush in an unprotected area, and restoring the molecular brush to a hydrophilic glass surface; step 5, coating oil-based ink on the surface treated in the step 4 to form a clear pattern; and step 6, enabling the surface of the printing ink with the pattern to be in direct contact with a target substrate, and applying pressure to transfer the printing ink. According to the method, the problems of resolution, ink diffusion control and pattern uniformity of the existing printing technology are solved, and the printing precision and applicability are improved.

The invention discloses a rubber tube surface jet printing process, which belongs to the field of rubber tube production, and comprises the following steps: a rubber tube passes through a plasma surface processor, a first ink-jet printer, a second ink-jet printer and a dryer in sequence to complete surface jet printing treatment of the rubber tube, the plasma surface processor, the first ink-jet printer, the second ink-jet printer and the dryer are sequentially arranged in the axial direction of the rubber pipe. The plasma surface processor is adopted for conducting plasma cleaning on the surface of the rubber tube, impurities on the surface of the rubber tube can be removed through plasma cleaning, polar groups are attached to the surface of the rubber tube, the free energy of the surface of the rubber tube is improved, and the adhesive force of ink on the surface of the rubber tube can be remarkably improved; and secondly, a protective coating is sprayed on the outer part of the printing ink mark, and the protective coating plays roles of water resistance, oil resistance, fouling resistance, corrosion resistance and the like on the printing ink mark, so that the stability of the printing ink in a use environment is improved under the condition that the marking effect of the printing ink mark is not influenced.

The utility model relates to the technical field of gravure printing roller cleaning, and discloses gravure printing roller completion cleaning equipment which comprises a cleaning box, a supporting assembly, a box cover and a cleaning assembly, the supporting assembly is arranged in the cleaning box, the box cover is hinged to the top of the cleaning box, and the cleaning assembly comprises a supporting plate, a hollow plate, a nozzle and a cleaning brush. Air cylinders are fixedly installed on the two sides of the top of the box cover correspondingly, the piston ends of the air cylinders are fixedly connected with a supporting plate, a rotating shaft is rotationally installed at the bottom of the supporting plate, a driving assembly is connected to the middle of the rotating shaft, reciprocating lead screws are fixedly connected to the two ends of the rotating shaft correspondingly, and screw sleeves are fixedly connected to the two ends of a hollow plate correspondingly. The screw sleeve is in threaded connection with the reciprocating lead screw; through the arrangement of the box cover, water stains with printing ink generated by cleaning can be prevented from splashing all around, through the arrangement of the air cylinder, the height of the nozzle and the height of the cleaning brush can be adjusted, and the situation that the cleaning brush cannot make contact with the printing roller is avoided.

The invention provides a coated substrate, laminated glass and a vehicle. The film-coated substrate comprises a substrate body and a film-coated element arranged on at least one side of the substrate body, the film-coated element comprises at least two light absorption layers and a high-refractive-index layer arranged between the two light absorption layers, the light absorption layers are made of at least one material selected from W, Ni, Cr, Ti, Nb, Mo, Si and Zr, and the refractive index of the high-refractive-index layer is larger than or equal to 1.8 at the position of light with the wavelength of 550 nm. By adopting the film-coated element composed of the light absorption layer and the high-refractive-index layer, the film-coated substrate has lower visible light transmittance TL1 and lower light reflectivity RL, and the shielding function of an ink area in related technologies is met. Moreover, the coating element is arranged on the substrate in a coating high-temperature sintering manner, so that the damage to the substrate due to the arrangement of a printing ink area in the related technology can be reduced, the impact resistance of the edge part of the substrate is improved, the probability of fracture of the substrate is reduced, and the structural strength of the coating substrate is improved.

The invention relates to 3D printing silk fibroin-based conductive hydrogel as well as a preparation method and application thereof, and belongs to the technical field of hydrogel. The preparation method comprises the following steps: S1, adding silk fibroin, a graphene oxide dispersion liquid and glycidyl methacrylate into a lithium bromide solution for reaction, and performing dialysis, centrifugation and freeze drying to obtain modified silk fibroin; s2, dissolving the modified silk fibroin, polyethylene glycol diacrylate and a photoinitiator in water, and centrifuging and defoaming to obtain bio-ink; s3, preparing the bio-ink into the 3D printing silk fibroin-based conductive hydrogel through a DLP 3D printing technology. Methacrylic acid silk fibroin is used as a base material, polyethylene glycol diacrylate is used as a reinforcing material, and graphene oxide is introduced to construct the photocuring printing ink. In addition, the silk fibroin-based conductive hydrogel with excellent performance can be prepared by combining the structural design of multilevel porous and triple-period extremely small curved surfaces.

The invention provides a vertical silk-screen up-and-down bidirectional screen shifting device, and relates to the field of circuit board production, the vertical silk-screen up-and-down bidirectional screen shifting device comprises mounting frames, the two mounting frames are each provided with a screen shifting mechanism, screen mechanisms are arranged in the two mounting frames, and a same PCB body is arranged between the two screen mechanisms; fixed plate frames are fixedly connected to the outer walls of the two sides of the two mounting frames, and displacement processing modules are arranged on the four fixed plate frames; the displacement mechanism for moving the screen printing plate comprises four fixing frame pieces. According to the PCB printing screen shifting device, the effect of shifting of the PCB printing screen is achieved, the position between the PCB and the screen shifts between the previous printing and the current printing, printing ink left in the previous printing is staggered from the position of a hole in the printed PCB, and therefore the amount of the printing ink left on the screen is always only the amount left in the previous printing, and the printing efficiency is improved. And the ink is prevented from blocking holes.

The invention relates to the technical field of printers, in particular to a printer facilitating ink replacement. The printing device comprises a machine body and a printing ink opening, a fixing frame is arranged on the side wall of the machine body, a fixing rod is arranged at the end of the fixing frame, a partition plate is rotationally arranged on the surface of the fixing rod, a torsional spring is arranged on the surface of the fixing rod, the two ends of the torsional spring are connected with the fixing frame and the partition plate correspondingly, and a moving assembly is arranged in the fixing frame. When the rack moves, a rotating gear is driven to rotate reversely, a winding roller arranged on the surface of the rotating gear moves coaxially, a pull rope wound on the surface of the winding roller is loosened, and a moving rod pushes sealing plates to move relatively under the reverse acting force of a reset spring; and when the end parts of the sealing plates are attached, the end part of the ink port can be sealed, so that external dust is prevented from flying into the ink port to influence the printing effect when the partition plate is opened.

The present invention discloses a gas infrared radiation and hot air dual-mode drying furnace for drying printing inks, which comprises a furnace body housing. Inside the furnace body housing, there are a heating chamber and two machine position chambers. The two machine position chambers are symmetrically distributed at the top and bottom of the heating chamber. An inlet and an outlet penetrating through the furnace body housing are respectively arranged on both sides of the middle of the heating chamber. The present invention heats printing paper through two modes of gas infrared radiation and hot air. Due to the physical properties that infrared rays can penetrate and objects can actively absorb the heat of infrared rays, the ink and the interior of the paper can be quickly heated. In the later stage, the high-temperature flue gas waste gas generated by the front-end gas infrared radiation burner is used, and is guided to the air knife for drying through the hot air circulation mode by a blower and a forced air blower. The gas consumption of the burner is lower, and the heating speed is faster, further reducing the gas energy consumption. Under the condition of the same gas consumption, the speed of the printing press is significantly increased, meeting the requirement of lower gas energy consumption of existing conventional gas burners.

The invention provides a packaging box ink printing friction-resistant decoloring test device based on a physical sensor, and relates to the technical field of friction-resistant decoloring tests.The packaging box ink printing friction-resistant decoloring test device comprises a rack, an electric sliding rail and a limiting sliding rail are installed on the inner surface of the rack, and a sliding seat is slidably connected to the outer surface of the electric sliding rail; according to the device, friction force can be applied to an ink layer from different directions and angles through curve friction, the adhesive force between ink and a packaging box can be more comprehensively detected, meanwhile, through arrangement of a first pressure sensor, the adhesive force between the ink layer and the packaging box can be accurately detected, and the detection precision is improved. The pressure borne by the paperboard can be accurately detected, the friction resistance performance of the printing ink on the surface of the paperboard is recorded under different pressure conditions under the condition of curve friction, detailed data support is provided for studying the wear resistance effect of the printing ink in different pressure environments, and more reliable guarantee is provided for the quality and durability of products.

The invention relates to the technical field of resin for printing ink, and discloses alcohol-soluble polyamide resin for printing ink and a preparation method and application thereof.The alcohol-soluble polyamide resin is prepared from, by weight, 78-83 parts of vegetable oil dimer acid, 3-5 parts of ethidene diamine, 6-7 parts of hexamethylenediamine, 5-8 parts of methyl pentamethylene diamine, 3-5 parts of propionic acid and 2-3 parts of acrylic acid through condensation reaction, and a defoaming agent (10-15) ml / ton. The alcohol-soluble polyamide resin for ink provided by the invention is non-toxic, free of pungent smell, non-corrosive, non-combustible, non-explosive, excellent in adhesive force, excellent in gloss, particularly strong in freezing resistance and gel resistance, excellent in alcohol solubility, stability and solvent release property, and can be used for preparing gravure plastic film surface printing ink.

The invention discloses a simulation self-cleaning decorative cloth UV printing ink coating device, and relates to the technical field of printing, the simulation self-cleaning decorative cloth UV printing ink coating device comprises a bearing base, a conveying roller set is fixedly installed at the right end of the upper portion of the top of the bearing base, and through cooperation of a powder particle adsorption assembly, an ink transfer printing assembly and a vibration assembly, the powder particle adsorption assembly and the ink transfer printing assembly are matched; positive and negative charges generated by the positive and negative conductive metal plates cover the peripheral side of the surface of the coating rod, the adsorbability of charge particles on the surface of the printing fabric is improved, a direct-current electromagnetic field is formed outside the coating rod through the feeding motor, the lead screw and the three sets of magnetic rings, and the titanium dioxide is further made to be evenly dispersed in the coating rod under the matching of the mass of the titanium dioxide. The titanium dioxide can be singly captured by charges covering the surface of the fabric to be printed, accumulation of titanium dioxide on the surface of the printed fabric is reduced, and the phenomenon that in the subsequent printing operation process, due to the fact that gaps exist between ink and the printed fabric, ink blocks fall off in the subsequent printing and drying operation is reduced.

The invention discloses high-adhesiveness water-based printing ink and a preparation method thereof, and belongs to the technical field of printing, and the high-adhesiveness water-based printing ink comprises the following components: water-based acrylic resin, SiO2 (at) TiO2 (at) EPS composite filler, pigment, a dynamic covalent cross-linking agent, nano cellulose, a wetting dispersant, a defoaming agent and deionized water. The preparation method comprises the following steps: firstly, preparing an EPS terpolymer containing a multi-functional group, and then modifying a SiO2 / TiO2 preassembly to prepare a composite filler; meanwhile, a dynamic covalent cross-linking agent generated by the reaction of furan methacrylate and maleimide propyl triethoxy silane is prepared; and finally, mixing the components step by step to obtain the ink. The multi-stage structure of the composite filler enhances the interface effect and covering power, the dynamic covalent cross-linking agent forms a reversible network to improve the stability and the self-repairing property, and the nano cellulose and other components have the synergistic effect, so that the ink has good adhesiveness and stability.