4086 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.

To sufficiently enhance the curability of an active energy ray-curable ink composition for inkjet printing, which contains (2,4,6-trimethylbenzoyl)bis(p-tolyl)phosphine oxide as a photopolymerization initiator, and preferably to improve the solvent resistance of a cured product. [Solution] An active energy ray curable ink composition for inkjet printing, which has a viscosity of 5 cps or more and 80 cps or less at room temperature, comprises: 10% by mass or more of a monofunctional monomer, 1 to 15% by mass of an amine-modified oligomer, and (2,4,6-trimethylbenzoyl)bis(p-tolyl)phosphine oxide, based on the ink composition; and when the ink composition further contains a black pigment, the ink composition contains a sensitizer.

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 is suitable for the technical field of viscosity detection, and provides a printing ink viscosity detection device, which comprises a base, a sample container and a detection assembly, the motor c is fixedly installed on the base, a multi-station rotating plate is fixedly installed on an output shaft of the motor c, six placing holes are formed in the multi-station rotating plate and are arranged in the circumferential direction of the multi-station rotating plate at equal intervals, and the sample containers are placed in the placing holes. A vacant placing hole is formed between every two adjacent sample containers; the pretreatment mechanism comprises an L-shaped supporting plate a, a telescopic cylinder, a cover plate, a rotating frame and a rotating pipe b, a uniform treatment assembly is arranged on the rotating frame, and a control assembly is further arranged on the rotating frame; through cooperative arrangement of the multi-station rotating plate, the detection assembly and the pretreatment mechanism, the problem that the detection precision is affected by uniformity can be effectively avoided.

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 discloses biomass safe and environment-friendly printing ink and a preparation method thereof, and belongs to the field of printing ink materials. The biomass safe and environment-friendly printing ink is prepared from the following components in parts by weight: 20 to 30 parts of plant oil-based epoxy acrylate, 20 to 30 parts of acrylate maleate modified rosin, 3 to 5 parts of pigment, 10 to 15 parts of filler, 10 to 15 parts of solvent, 1 to 5 parts of flame retardant, 0.1 to 0.5 part of heat stabilizer and 1 to 3 parts of additive. The biomass safe and environment-friendly printing ink matrix resin provided by the invention is green and environment-friendly in source, and high in stability and safety.

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.

Disclosed is a printing ink for heat-sensitive recording media, which is (A) or (B) below: (A) a heat-sensitive color-developing printing ink containing a leuco dye, a color developer, a vinylpyrrolidone-vinyl acetate copolymer, and a solvent, wherein the color developer is at least one selected from the group consisting of an N,N'-diaryl urea-based compound represented by general formula (1) (in the formula, R0 represents a C1-12 alkyl group, a C7-12 aralkyl group, or a C6-12 aryl group. The aralkyl group and the 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. A plurality of R0s may be the same or different. A1 represents a hydrogen atom or a C1-4 alkyl group. A plurality of A1s may be the same or different.), a compound represented by general formula (2) (in the formula, R1 to R5 are the same or different, and represent a hydrogen atom, a halogen atom, a nitro group, an amino group, an alkyl group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkylcarbonylamino group, an arylcarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a monoalkylamino group, a dialkylamino group, or an arylamino group.), and 5-(N-3-methylphenyl-sulfonamide)-N',N''-bis-(3-methylphenyl)-isophthalic acid diamide; and (B) a protective layer printing ink for heat-sensitive recording media, the protective layer printing ink containing an adhesive, a slipperiness imparting agent, and a solvent, wherein the adhesive is a polyvinyl acetal resin, and the slipperiness imparting agent is an alkyl phosphate ester and / or a salt thereof.

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 relates to a method for printing paper (10) by means of a digital printing device having a plurality of paint application tools (6) for applying printing inks of different colors onto the paper (10), in which method the paper (10) to be printed passes through the paint application tools (6) in a feed direction, wherein the digital printing apparatus has a device (4, 18) configured and adapted to prevent or reduce the formation of condensation on the paint application tool (6), and by means of the device (4, 18), the formation of condensation on the paint application tool (6) is prevented or reduced, and wherein the device (4, 18) has a temperature controller and an electrical controller, wherein the temperature controller is arranged to influence the temperature of the paint application tool (6) and the electrical controller is arranged to control the temperature controller such that the paint application tool (6) has different temperatures wherein the temperature of the paint application tool (6) increases in a feed direction (16), the temperatures of two adjacent coating application tools (6) differ from each other by at least 0.5 DEG C, at most 1.5 DEG C, and the temperature between the first coating application tool (6) in the feed direction (16) and the last coating application tool (6) in the feed direction (16) differs by at most 10 DEG C.

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 discloses a color correction method of a printing device, the printing device and a storage medium, and relates to the technical field of ink-jet printing, the method comprises the following steps: obtaining a step color block image, the step color block image is obtained by shooting a step color block pattern, the step color block pattern is a pattern printed by the printing device, and the step color block image is obtained by shooting the step color block pattern; the stepped color block pattern comprises a plurality of color blocks corresponding to at least one color channel and with color concentration changing in a stepped manner; the color concentration of each color block in the stepped color block image is determined, the actual color curve of each color channel is determined according to the color concentration of the stepped color blocks corresponding to each color channel, the independent variable of the actual color curve is the printing ink amount, and the dependent variable of the actual color curve is the color concentration; and according to the actual color curve and a preset reference color curve, a correction curve of the printing ink amount is determined, and control parameters of the printing ink amount of the printing equipment are corrected according to the correction curve. According to the method and the device, the printing ink quantity is calibrated, and the correction cost of the printing ink quantity is reduced.

The invention relates to a preparation method of high-temperature-resistant silk-screen printing ink based on chemical simulation optimization. The preparation method comprises the following steps: (1) formula optimization: optimizing a silk-screen printing ink formula by using chemical simulation software; (2) production process control; (3) quality detection; (4) environment simulation; and (5) data collection and analysis. The method has the advantages that the whole process optimization from formula design to production control, quality detection, environmental adaptability evaluation and data analysis is realized, modeling is carried out on interaction among ink components through chemical simulation software, and the performance of ink under different conditions can be accurately predicted, so that selection and optimization of the formula are guided.

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 invention relates to the technical field of new materials, and provides an ink composition as well as a preparation method and application thereof, the ink composition comprises a polymerizable monomer, a photoinitiator and modified hollow silicon dioxide microspheres, the modified hollow silicon dioxide microspheres are obtained by modifying hollow silicon dioxide microspheres through a silane coupling agent, the silane coupling agent comprises a silane coupling agent with an acryloyloxy group, and on the modified hollow silicon dioxide microspheres, the grafting amount of the silane coupling agent with the acryloyloxy group is 0.1%-7%. According to the invention, specific content and type of silane coupling agent surface-modified hollow silicon dioxide microspheres are added into the ink composition mainly composed of acrylate monomers, so that the dielectric constant of the ink composition is remarkably reduced, and other properties meet the basic requirements of OLED device packaging and packaging process thereof; the method has great potential in application in the field.

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 relates to the technical field of circuit board manufacturing, and provides a circuit board manufacturing method and a circuit board, and the method comprises the steps: electroplating a golden finger on a production board through an electroplating lead; covering selective printing ink on the part of the electroplated lead and the golden finger; forming at least one finished board on the production board along the routing forming line; carrying out bevel edge processing on the finished board; covering an OSP film on the finished board; and removing the selective ink. According to the circuit board manufacturing method, after the golden finger is electroplated, the part of the electroplated lead and the golden finger are covered with the selective ink, and the selective ink is removed after the OSP process, so that the ratio of the area of the exposed gold layer to the area of the nickel layer and the copper layer at the bevel edge in the OSP process is small, that is, the galvanic effect is not obvious, and the nickel layer and the copper layer are slightly corroded; and the risk that the nickel-gold layer tilts and falls off is reduced, so that the risk of short circuit is reduced.

The invention relates to a multi-gray-scale printing ink supply system monitoring diagnosis and intelligent pressure regulation strategy, and aims to provide a multi-gray-scale printing ink supply system monitoring diagnosis and intelligent pressure regulation strategy through an intelligent dynamic pressure regulation algorithm, a self-adaptive pressure balance mechanism, multi-parameter fusion control, modular design, an intelligent fault diagnosis and self-repairing function and gray-scale printing application. Intelligent pressure regulation of a multi-nozzle ink supply system in the gray-scale printing process is achieved, the printing quality and efficiency are improved, gray-scale printing is mainly conducted on a sand mold, the ink jet amount of the outer contour of the sand mold is large, and the strength of the sand mold is improved; the inner contour ink-jet amount is small, and the sand mold air permeability is reduced.

The invention discloses a silver azide in-situ charging method based on ink-jet printing, and belongs to the technical field of energetic material charging. According to the ink-jet printing method, sodium azide printing ink and a silver salt solution are prepared respectively, the surface tension and viscosity of the sodium azide printing ink are adjusted through a binder and a surfactant, the surface tension and viscosity of the silver salt printing ink are adjusted through the mass ratio of ethylene glycol to water, sodium azide and silver salt are printed in sequence, and silver azide is obtained through an in-situ reaction. According to the method, the initiating explosive can be printed on the medium in situ, complete hand-free operation is achieved in the charging process, and danger in the manual silver azide charging process is avoided.

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.