267 results about "Epoxy acrylate" patented technology

The invention relates to the technical field of protective glue, in particular to extreme high and low temperature impact resistant UV (ultraviolet) photocuring electronic protective glue which is prepared from the following raw materials in parts by weight: 30-50 parts of synergistically modified epoxy-urethane acrylate oligomer, 20-35 parts of composite active monomer, 1.5-5 parts of composite photoinitiator and 10-20 parts of core-shell structure inorganic composite filler, 0.6 to 2.2 parts of a silane coupling agent, 0.12 to 1.1 parts of an antioxidant and 0.11 to 1 part of a leveling agent; the preparation method of the synergistically modified epoxy-urethane acrylate oligomer comprises the following steps: reacting resin acid modified epoxy resin with phosphoric acid di (hydroxyethyl acrylate) ester at 80-90 DEG C, and introducing a phosphate group to obtain a phosphate modified epoxy acrylate intermediate; the protection glue unifies rigidity, flexibility and flame retardance on the molecular level through the cooperation of the hybrid oligomer and the core-shell filler, realizes high heat conductivity, strong adhesion and extremely low internal stress, and has extreme temperature impact resistance, long-term damp-heat aging resistance and high-reliability protection performance.

The invention discloses an aluminum substrate UV matt finish paint and a preparation process thereof, and relates to the technical field of paints.The aluminum substrate UV matt finish paint is prepared from, by mass, 10%-20% of modified polyurethane acrylate, 25%-32% of high-functionality aliphatic polyurethane acrylate, 18%-30% of special modified epoxy acrylate resin, 0.5%-2% of dispersing agent, 0.1%-0.5% of defoaming agent, 1%-3% of anti-settling powder and the balance water. The paint is prepared from the following components in percentage by weight: 10 to 15 percent of magnesium silicate mineral, 1 to 10 percent of matting powder, 0.2 to 1 percent of 1-hydroxycyclohexyl phenyl ketone, 0.5 to 3 percent of trimethylbenzoyl-diphenyl phosphine oxide, 1 to 3 percent of acrylate flatting agent, 0.2 to 1.2 percent of polyurea modified polyurethane rheological agent and 5 to 15 percent of trimethylolpropane triacrylate. According to the UV matte finishing paint disclosed by the invention, through compounding of ternary resin and enhancement of nano silicon dioxide, a rigid and tough cross-linked network is constructed, a paint film is free of cracks when being bent at 180 degrees, the adhesive force reaches grade 0, and a coating is resistant to acid and alkali etching liquid and free of corrosion by cooperating with a silane coupling agent and a light stabilization system, and the color difference is delta Elt after the UV matte finishing paint is subjected to high temperature of 260 DEG C; and 1.5, the anti-yellowing performance is excellent.

The invention relates to the technical field of UV coatings, in particular to a waterproof wear-resistant UV coating for a floor and a preparation method of the waterproof wear-resistant UV coating. The waterproof and wear-resistant UV coating for the floor is prepared from the following raw materials in parts by mass: 30 to 60 parts of polyurethane acrylate, 20 to 40 parts of fluorinated epoxy acrylate oligomer, 20 to 40 parts of pentaerythritol tetraacrylate, 1 to 5 parts of tetraethoxysilane, 15 to 25 parts of hollow glass beads, 1 to 3 parts of ammonia water, 1 to 2 parts of trifluoropropane trimethoxysilane and 1 to 2 parts of amino-terminated polyamidoamine. The coating is prepared from 1-3 parts of graphene oxide, 1-2 parts of a photoinitiator, 1-2 parts of polytetrafluoroethylene wax, 0.5-1.5 parts of a dispersing agent, 1-2 parts of a flatting agent and 1-2 parts of a defoaming agent. The waterproof coating is excellent in waterproof effect, high in adhesive strength and excellent in dimensional stability; when the coating is subjected to mechanical actions such as friction and impact, the surface of a coated object is comprehensively protected, the wear rate is remarkably reduced, and the wear resistance is improved.

The invention discloses a high-weather-resistance photocuring coating with radar infrared stealth and intelligent anti-counterfeiting functions and preparation, and relates to the technical field of special functional materials. According to the coating, stealth, anti-counterfeiting and extreme environment tolerance are realized through multi-component collaborative design: matrix resin is prepared by compounding organic fluorine modified epoxy acrylate and polyurethane acrylate, and trifluoro propyl trimethoxy silane and polyoxyethylene ether block copolymer are introduced, so that weather resistance is improved; the photo-initiation system contains a free radical / cation composite initiator and a low-temperature initiator, and supports wide-temperature-range curing. The functional filler comprises a core-shell complex and carbon nanotube / graphene composite powder, and uniform dispersion of the filler is realized through a gradient grinding process. The method is suitable for military equipment camouflage, aerospace protection and criminal investigation anti-counterfeiting, 800-1400 [mu] m thermal radiation matching, radar wave absorption and mobile phone camera readable encryption information are achieved, and an innovative solution is provided for high-end equipment protection and information safety.

The invention provides LED-UV (Light Emitting Diode-Ultraviolet) curing ink as well as a preparation method and application thereof, and the LED-UV curing ink is prepared from the following components in parts by weight: 30 to 50 parts of modified polyurethane acrylate resin, 15 to 30 parts of modified epoxy acrylate resin, 10 to 15 parts of amino resin, 15 to 30 parts of acrylate monomer, 6 to 10 parts of photoinitiator, 1 to 3 parts of adhesion promoter, 2 to 4 parts of coupling agent, 0.5 to 1 part of defoaming agent and 1 to 2 parts of flatting agent. The modified polyurethane acrylate resin is hydroxyl and / or carboxyl modified polyurethane acrylate resin; the modified epoxy acrylate resin is polyurethane modified epoxy acrylate resin. After the ink is photo-cured, a paint film has good flexibility, adhesive force and chemical resistance; the hardness, the curing speed and the chemical resistance of a paint film can be improved; the adhesive force to a base material can be promoted; and the water resistance and the wine soaking resistance of a paint film are enhanced.

The invention discloses a UV-cured high-weather-resistance optical thin film and a preparation method thereof, and relates to the technical field of optical thin films. The optical film is prepared by taking polyethylene glycol terephthalate as a base material and coating the base material with a UV curing coating, and the UV curing coating comprises the following raw materials in parts by weight: 15-20 parts of aliphatic polyurethane acrylate, 5-8 parts of perfluorobutyl ethyl acrylate, 8-12 parts of hydroxyethyl acrylate, 6-10 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, the invention relates to a UV (ultraviolet)-resistant coating which is prepared from the following raw materials in parts by weight: 1-2 parts of 2, 6-hexanediol diacrylate, 5-8 parts of trimethylolpropane triacrylate, 30-40 parts of modified epoxy acrylate, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a photoinitiator 1173, 0.5-1.2 parts of a modified ultraviolet absorbent UV-327, 0.8-1.5 parts of a hindered amine light stabilizer 540, 0.3-0.8 part of an antioxidant 1010, 0.09-0.12 part of an ultraviolet absorbent Tinuvin400 and 0.2-0.5 part of polyether modified polydimethylsiloxane. According to the UV-cured high-weather-resistance optical thin film, polyethylene glycol terephthalate is used as a base material, key raw materials such as a UV-cured coating with a scientific formula, modified epoxy acrylate and the like are finely prepared, a two-stage curing process is adopted, and the weather resistance is excellent.

The invention relates to high-adhesion weather-resistant water-based ink and a preparation process thereof, and relates to the field of ink materials and preparation, and the high-adhesion weather-resistant water-based ink is prepared from the following raw materials in parts by mass: 25-40 parts of waterborne polyurethane, 10-20 parts of waterborne acrylate, 35-50 parts of water-based color paste, 1-4 parts of auxiliaries and water; the water-based acrylate is obtained through emulsion polymerization, and polymeric monomers comprise epoxy acrylate, hydroxyethyl acrylate, pentaerythritol tetraacrylate and acrylic acid; the epoxy acrylate comprises fatty acid modified epoxy diacrylate. The preparation method comprises the following steps: adding the water-based polyurethane resin and the water-based acrylate into water, stirring, adding the water-based color paste, stirring, adding the auxiliary agent, stirring, adjusting the viscosity, stirring, and filtering to obtain the high-adhesion weather-resistant water-based ink. The water-based ink has the effect of improving the adhesive force and weather resistance of the water-based ink.

The invention belongs to the technical field of UV ink formula design and digital printing application, and particularly relates to scratch-resistant UV ink, a preparation method thereof and application of the scratch-resistant UV ink to digital printing. The scratch-resistant UV ink comprises the following raw materials in parts by weight: 15-25 parts of epoxy acrylate; 10 to 20 parts of polyurethane acrylate; 15 to 25 parts of a bifunctional monomer; 5-10 parts of a monomer with three functional groups and more than three functional groups; 3 to 5 parts of an alpha-hydroxy ketone photoinitiator; 2 to 4 parts of an acyl phosphorus oxide photoinitiator; 2 to 5 parts of organically modified nano silicon dioxide; 0.1 part to 0.5 part of a flatting agent; 0.5 to 1.5 parts of a dispersing agent; 10 to 15 parts of pigment; the bifunctional monomer is tripropylene glycol diacrylate; the monomer with three functional groups and more than three functional groups is trimethylolpropane triacrylate. The ink has pencil hardness greater than or equal to 3H and excellent flexibility, the adhesive force on substrates such as PC, PET, metal and the like reaches 0 level, the printing process is simplified, and the ink is suitable for digital printing in various scenes.

The invention relates to the technical field of high-end packaging and printing, and discloses a base material back coating and a preparation method thereof, and the base material back coating comprises the following components in parts by weight: 55-70 parts of mixed matrix resin formed by polar modified epoxy acrylate and perfluoropolyether acrylate according to a weight ratio of 4 / 1-9 / 1, according to the invention, self-stratification power generated by viscosity reduction in a heat leveling stage is utilized to drive the components to migrate directionally and construct a gradient interpenetrating network structure, so that the self-stratification effect is improved, and the self-stratification effect is improved; the coating is subjected to continuous chemical transition from the bottom anchoring layer to the surface shielding layer, interface stress concentration generated by physical layering is eliminated, and the interface bonding stability is improved on the premise that the protection strength of the ultrathin coating is guaranteed.

The invention discloses an epoxy acrylate high-molecular substance mixture for packaging an NTC (Negative Temperature Coefficient) temperature sensor and a preparation process of the epoxy acrylate high-molecular substance mixture, and belongs to the field of preparation of high-molecular compounds for packaging NTC temperature sensor chips. According to the present invention, the high hardness and the strong adhesion ability of the epoxy acrylate resin and the excellent flexibility, the excellent hydrophobicity, the excellent high and low temperature resistance and the excellent weather resistance of the phenyl organic silicon resin are well combined, the excellent physical property is provided, and the problem of poor compatibility of the organic silicon and the epoxy acrylate is solved by the multi-stage curing process of the UV curing and the thermal curing so as to achieve the good application prospect. And synergism enhancement of performance is realized.

The invention relates to the technical field of optical functional film manufacturing, in particular to a multi-layer structure of a high-light-transmittance composite brightness enhancement film and a processing method of the multi-layer structure, and the multi-layer structure sequentially comprises a surface hardening layer, a high-refractive-index composite layer, a light diffusion layer, a conductive functional layer, a microstructure layer and a bonding layer from a light incident side to a light emergent side; the surface hardening layer is composed of fluorine-containing modified polyethylene glycol terephthalate (PET), the high-refractive-index composite layer comprises a composite layer of rutile type nano titanium oxide particles and methyl phenyl silicone resin, and the light diffusion layer is a cross-linked layer formed by mixing bisphenol A type epoxy acrylate and trimethylolpropane triacrylate according to the mass ratio of 4.2: 1. The conductive functional layer is an indium tin oxide (ITO) thin film, the microstructure layer is a prism array layer formed by nickel template imprinting, the optical performance of the film is remarkably improved, and the light transmittance of the wavelength of 550 nm reaches 93.5%-93.8% through the optical matching design of the composite structure and is improved by 3-5% compared with similar products.

The invention belongs to the technical field of tempered glass preparation, and particularly relates to impact-resistant self-cleaning tempered glass and a preparation method thereof. Epoxy acrylate, a repairing agent, an oil-phase solvent, a photoinitiator, polyvinyl alcohol and an acrylamide sulfonic acid derivative are adopted as raw materials, a self-repairing microcapsule is obtained through mixing, emulsification and UV polymerization, a hydrophobic modified microcapsule is obtained through modification of aluminum phosphate and a low-surface-energy substance, the hydrophobic modified microcapsule is mixed with water-borne epoxy resin to obtain a coating mixed solution, the coating mixed solution is applied to the surface of glass, and the surface of the glass is coated with the self-repairing microcapsule. And drying and cooling to obtain the toughened glass with the coating. The toughened glass has good impact resistance, self-repairing performance and self-cleaning performance.

The invention provides a high-rheology lasting type coating and a preparation method of the high-rheology lasting type coating. The coating is prepared from the following raw materials: 6 to 12 parts of fluorosilicone grafted hyperbranched polyurethane core-shell functional microspheres, 2 to 5 parts of graphene-nano silicon dioxide composite rheological regulator, 25 to 35 parts of epoxy acrylate resin, 15 to 25 parts of polysiloxane modified waterborne polyurethane acrylate emulsion, 8 to 15 parts of filler, 0.8 to 1.6 parts of rheological agent, 1.8 to 7.1 parts of functional additive, 10 to 18 parts of solvent and 0.1 to 0.3 part of preservative. The obtained coating has high thixotropy, excellent long-acting durability and multiple protection effects of fire prevention, water prevention, pollution resistance and the like, and meanwhile, the fidelity of a coating mold pressing structure and the construction applicability can be guaranteed.

The invention relates to an electron beam curing composition, a coating, a preparation method and a coating method thereof, and a coated product. The electron beam curing composition comprises the following substances in parts by mass: 50-65 parts of first resin, 15-25 parts of second resin, 12-20 parts of an active diluent monomer and 2-6 parts of an antistatic agent, wherein the first resin comprises at least one of aliphatic epoxy acrylate and polyester acrylate, and the functionality of the first resin is greater than or equal to 4; the second resin comprises aliphatic polyurethane acrylate, and the functionality of the second resin is 2. An electron beam curing system without a photoinitiator is adopted, first resin and second resin with preset functionality are compounded with an active diluting monomer according to preset compatibility, the mechanical property of a formed coating is optimized, the adhesive force between the coating and a base plate is improved, an antistatic agent can be compounded to form an antistatic coating, and the anti-static performance of the coating is improved. And the requirements of roll coating processing of transparent plates on the anti-static performance, the cleanliness and the durability of the coating can be met.

The invention discloses a preparation method of C3H5NO-ZnCl2, a preparation method of Mg4Al2Zn2PO4 hydrotalcite, a preparation method of an intumescent flame-retardant epoxy acrylate coating and a coating thereof, phosphate radical series hydrotalcite is prepared by adopting a coprecipitation method, the phosphate radical series hydrotalcite is matched with ZnCl2 and EA, and the coating is formed by UV curing, so that the flame-retardant property of the epoxy acrylate coating (EA) is improved, and the flame-retardant property of the coating is improved. The result shows that ZnCl2 can be well inserted into the hydrotalcite layer; the flame retardant effect of the Mg4Al2Zn2PO4-C3H5NO-ZnCl2 (1: 1) / EA coating is optimal, and the carbon residue rate, the limit oxygen index and the vertical combustion level of the coating are optimal and are respectively 56.84%, 56 and V-0. Meanwhile, the flame-retardant coating has good transparency and mechanical properties, the light transmittance of the flame-retardant coating can reach 92% at most, and the hardness of the flame-retardant coating reaches 6H; the thermal decomposition temperature is high, the high-temperature calcined carbon layer structure is a regular hexagonal honeycomb-shaped stable structure, and the flame retardant property is high.

The application discloses a PO4 3‑ and a preparation method of a flame-retardant epoxy acrylate coating layer of 8-OQ intercalated zinc-aluminum hydrotalcite, and the coating layer. Phosphate ions are intercalated between layers by using the ion-exchangeability between layers, and other intercalation agents are used to increase the intercalation rate of phosphate ions before the phosphate ions are embedded into the layers. 8-hydroxyquinoline as an intercalation agent can effectively expand the interlayer spacing of hydrotalcite, and provide more space for anion exchange. The Zn / Al-PO4 3‑ -LDHs intercalated with 8-hydroxyquinoline has the optimal flame-retardant and mechanical properties of the coating layer of the EA compound system. The hydrotalcite can make the carbon layer more uniform, more dense and more solid, and increase the carbon content of the coating layer, so as to improve the flame retardancy and thermal stability of the composite coating, and provide a new method for the research on the hydrotalcite modified EA fireproof coating.

The application discloses a self-repairing optical cable, which comprises a cable core, an outer sheath and a self-repairing component, wherein the self-repairing component comprises microcapsule A and microcapsule B; the microcapsule A comprises a capsule shell A and a base glue; the base glue comprises epoxy acrylate resin, acrylic modified epoxy resin oligomer, polyurethane prepolymer, filler, accelerator and stabilizer; the microcapsule B comprises a capsule shell B and a hardening agent; the hardening agent comprises epoxy acrylate resin, tackifying resin, plasticizer, filler, polyurethane curing agent, peroxide and stabilizer; the weight ratio of the base glue and the hardening agent is 100:7-100:15; the base glue of the microcapsule A and the hardening agent of the microcapsule B can be glued after mixing at normal temperature, and have the advantages of low hardness and fast curing speed; after a wound appears on the outer sheath of the optical cable, the base glue and the hardening agent are released, and the repair of the outer sheath can be completed without applying additional environmental conditions.

The invention relates to fluorine-containing epoxy acrylate and a preparation method thereof, in particular to fluorine-containing epoxy acrylate and a preparation method thereof. The problems that in the prior art, bonding of nano particles is not firm, and the transparency of a coating is poor are solved. The method comprises the following steps: dissolving tridecafluorooctyl methacrylate, glycidyl methacrylate, a KH-570 silane coupling agent and an initiator by using 1, 4-dioxane as a solvent, introducing high-purity nitrogen into a reaction container for a certain time to remove oxygen in the reaction container so as to prevent polymerization inhibition, controlling the reaction temperature and the stirring rate, and reacting for a certain time to obtain the tridecafluorooctyl methacrylate. Keeping the introduction of nitrogen; contacting the reaction system with oxygen, cooling and quenching the polymerization reaction; adding the reaction liquid into cyclohexane of which the weight is five times that of the reaction liquid to remove unreacted monomers; drying the purified product in a vacuum oven, and grinding into powder; and cleaning commercially available filter paper with acetone. The invention belongs to the technical field of acrylic resin synthesis and superhydrophobicity.

The application discloses a kind of bio-based LED light-cured top-dipping pencil paint and its preparation method and application, including the following mass fraction of composition: epoxy acrylate: 27%~40%, epoxy soybean oil acrylate: 12%~15%, di-functional polyurethane acrylate: 8%~30%, dipropylene glycol diacrylate: 10%~20%, fumed silica: 0.2%~0.5%, inorganic filler: 10%~20%, photoinitiator: 5%~10%, auxiliary agent: 0.5%~1%. The pencil paint of the application meets the requirements of relevant laws and regulations for pencil paint export, the bio-based carbon content is greater than or equal to 15%, uses LED lamp to cure, is energy-saving and environment-friendly, the paint film has high flexibility, can be used for eyebrow pencil, and there is no risk of subsidence.

The invention relates to a UV-LED blue paint for protecting a power battery shell, a preparation method and a coating applied by the UV-LED blue paint, and belongs to the technical field of paints. The UV-LED blue coating is prepared from the following components in parts by weight: 5 to 15 parts of a polybutadiene modified acrylate oligomer, 20 to 40 parts of a bisphenol A epoxy acrylate oligomer, 35 to 50 parts of a monofunctional reactive diluent, 5 to 15 parts of a bifunctional reactive diluent, 3 to 10 parts of a multifunctional reactive diluent, 4 to 7 parts of a photoinitiator, 0.6 to 2.2 parts of an auxiliary agent and 1 to 3 parts of blue color paste, the monofunctional reactive diluent is prepared from the following components in parts by weight: 30 to 40 parts of isobornyl-containing acrylate and 5 to 10 parts of lauric acid acrylate. A blue coating formed by the blue coating has good adhesive force, excellent electrolyte resistance and boiling resistance and low viscosity, so that the blue coating can be subjected to mass production through spraying, the curing speed is high, and the production efficiency is improved.

The invention provides a preparation method of modified epoxy acrylate resin, which comprises the following steps: (1) mixing epoxy-terminated polyisoprene liquid rubber, unsaturated binary acid and a catalyst A for reaction A, and then adding polyol and a catalyst B for reaction B to obtain a modifier; and (2) mixing epoxy resin, unsaturated monocarboxylic acid, a catalyst A and a polymerization inhibitor for reaction C, then adding the modifier and the cross-linking agent in the step (1), and uniformly mixing to obtain the modified epoxy acrylate resin. The synthetic process is simple, the reaction endpoint is clear, the resin toughness is improved, the resin curing shrinkage rate is reduced, and the wettability with glass fibers is improved.

The invention discloses a self-repairing radio frequency induction washing label thermal transfer ribbon based on a silver nanowire / polyurethane microcapsule composite structure, the thermal transfer ribbon is composed of a base film, a back coating layer and a thermal transfer printing layer, the back coating layer and the thermal transfer printing layer are respectively coated on two sides of the base film, and the thermal transfer printing layer is a gradient conductive-self-repairing ink layer. The composite material is mainly prepared from silver nanowires (the diameter is 25-30 nm, the length-diameter ratio is 500-800, and the resistivity is 1.5-2.0 * 10 omega.m) coated with polydopamine, polyurethane microcapsules, an epoxy acrylate prepolymer, carbon black and the like according to a specific proportion, wherein the silver nanowires (the diameter is 25-30 nm, the length-diameter ratio is 500-800, and the resistivity is 1.5-2.0 * 10 omega.m). Through the synergistic enhancement effect of the silver nanowires and the polyurethane microcapsules, the problems that a traditional thermal transfer ribbon is prone to being blurred and a conductive network is fractured during printing under repeated bending are solved, after the ink layer is bent for 1000 times, a printed pattern can still rapidly recover the initial integrity, high conductivity and environmental adaptability are achieved, and the thermal transfer ribbon can be widely applied to the field of thermal transfer printing. The method is suitable for flexible electronic identification systems of intelligent textiles and the like, and has good popularization and application values.

The invention belongs to the technical field of photocuring materials, and particularly relates to an infrared-resistant welding photocuring adhesive and a preparation method thereof. The infrared-resistant welding photocuring adhesive is prepared from the following components in parts by weight: 30 to 50 parts of urethane acrylate, 5 to 25 parts of epoxy acrylate, 20 to 40 parts of acrylate monomer, 1 to 4 parts of free radical photoinitiator and 3 to 5 parts of adhesion promoter. The photocuring adhesive provided by the invention can still keep good adhesive strength after undergoing an infrared welding process, has good yellowing resistance, and meets the packaging requirements of solar cells.

The invention discloses a microwave curing-based coating material and a preparation method thereof. The microwave curing-based coating material comprises mixed resin, a microwave absorbing material, cellulose ether, a curing agent, a hyperbranched polymer, an active monomer, polyglycol modified epoxy acrylate, o-cresol glycidyl ether, p-hydroxyanisole, a plasticizer and an accelerant. During preparation, the mixed resin, the hyperbranched polymer, the active monomer, the polyglycol modified epoxy acrylate and the o-cresol glycidyl ether are mixed and stirred, the p-hydroxyanisole, the plasticizer and the accelerant are sequentially added and stirred, the microwave absorbing material and the cellulose ether are added and stirred, and the curing agent is added and stirred. The coating material disclosed by the invention can be quickly cured within dozens of seconds to dozens of seconds based on a microwave condition, has good corrosion resistance and adhesive property, and fundamentally and effectively solves the problem of high shrinkage rate generally existing in the adoption of the existing light-cured resin.

This invention discloses the application of a self-healing epoxy-acrylate interpenetrating polymer network anti-corrosion coating in a seawater environment, belonging to the technical field of marine anti-corrosion coating materials. The self-healing epoxy-acrylate interpenetrating polymer network anti-corrosion coating includes a coating matrix and hydrophobic self-healing microcapsules uniformly dispersed within the coating matrix. The coating matrix is ​​formed by interpenetrating polymerization of epoxy resin, acrylate, and a curing agent. The hydrophobic self-healing microcapsules have a core-shell structure, including a core and a wall. The core is an oil-based healing agent, and the wall is a hydrophobic polymer material. This invention achieves cross-linking polymerization and curing through the interaction of the oil-based healing agent with dissolved oxygen in the water, without relying on an additional curing agent, greatly reducing the interference of the seawater environment on the curing reaction. The synergistic system of the hydrophobic self-healing microcapsules and the coating matrix constructed in this invention achieves the integration of in-situ self-healing and long-term anti-corrosion in underwater environments.

The invention relates to the field of optical fiber ribbons, and discloses a high-fiber-density windable optical fiber ribbon and a preparation method thereof.The high-fiber-density windable optical fiber ribbon comprises a plurality of optical fibers arranged side by side and a photocuring product of a bonding resin composition, the bonding resin composition comprises modified epoxy acrylate, a photoinitiator, a reactive diluent and a modified multi-walled carbon nanotube; the modified epoxy acrylate is prepared by polymerizing a hydroxyl-terminated intermediate prepared by reaction of 4-hydroxy-3-trifluoromethyl benzaldehyde and 4-aminophenol with a silicon-containing epoxy group intermediate to prepare hyperbranched epoxy resin, and introducing acrylic acid for reaction; the silicon-containing epoxy group intermediate is prepared by reacting phenyl tri (dimethyl siloxane) silane with allyl glycidyl ether; and the modified multi-walled carbon nanotubes are prepared by carrying out chemical silver plating on the multi-walled carbon nanotubes by adopting a silver ammonia method. The optical fiber ribbon prepared by the invention has good mechanical properties, high-temperature and high-humidity resistance, antistatic property and flame retardance.

The present application relates to the technical fields of high polymer material and ultraviolet (UV) curing coating, and particularly relates to an epoxy acrylate / itaconic acid derivative composite photocuring coating composition, a preparation method thereof, a photocuring coating layer and application.The photocuring coating composition comprises the following components in parts by mass: an epoxy acrylate / itaconic acid derivative composite photocuring resin: 40-80 parts; an active diluent: 20-60 parts; and a photoinitiator: 1-8 parts.The present application provides a bio-based monomer IG with high crosslinking activity, a green catalyst-free and solvent-free preparation method of the bio-based monomer IG, and an innovative petroleum-based / bio-based resin composite strategy and a coating composition thereof, so that the mechanical strength of the petroleum-based EA is efficiently enhanced, and meanwhile, the mechanical properties of the composite system still maintain a high level after the active diluent is added, the application range of the EA is expanded, and the petroleum-based resin is modified to be green and high-performance.

The invention discloses wood-grain-like UV (ultraviolet) film pressing paint applied to environment-friendly plate coating as well as a preparation method and a use method of the wood-grain-like UV film pressing paint. The wood-grain-like UV film pressing paint is mainly prepared from the following raw materials in parts by weight: 50 to 70 parts of polyether modified epoxy acrylate, 10 to 20 parts of nine-functional polyurethane acrylate, 10 to 20 parts of bifunctional aliphatic polyurethane acrylate and 1 to 10 parts of monofunctional monomer, 1 to 5 parts of a photoinitiator, 0.1 to 0.5 part of a defoaming agent and 0.1 to 0.5 part of a flatting agent. According to the method, the ink-printed wood-grain-like plate is coated with the paint film with the thickness of 300-400 microns at a time through the wood-grain-like UV film pressing paint, the paint film does not crack and does not break edges, then the wood-grain-like film is laid on the wood-grain-like UV film pressing paint for film pressing in cooperation with a wood-grain-like circulating film pressing machine, a finished product has wood grains and guide pipes, the grade of the product is improved, and the product is environmentally friendly.

The invention relates to a multilayer release film and a preparation method thereof, and relates to the technical field of release film preparation. The preparation method comprises the following steps: dispersing epoxy acrylate, polyethylene glycol diacrylate and hydroxyethyl acrylate in a solvent, adding a composite photoinitiator, carrying out a reaction in a dark place, adding isophorone diisocyanate to obtain first slurry, coating the surface of a base material, and carrying out an illumination reaction to obtain a bottom layer; mixing polyvinyl alcohol and Ti3C2F to obtain a mixed solution, separating to take a solid phase, dispersing the solid phase in a solvent, mixing the solid phase with a polyamide acid solution to obtain second slurry, and coating the surface of the bottom layer to obtain a transition interlayer; dispersing polyurethane acrylate, polytetrahydrofuran acrylate, allyl laurate and 1-hydroxycyclohexyl phenyl ketone in a solvent, adding hydrogenated diphenylmethane diisocyanate to obtain third slurry, and coating the surface of the transition interlayer with the third slurry to form a surface layer to obtain the multi-layer release film. According to the invention, polyvinyl alcohol-Ti3C2F is introduced to form a physical barrier, moisture permeation is hindered, the moisture resistance of the release film in a humid environment is improved, and the damage of water to the structure and performance of the film is reduced.

The invention relates to the technical field of packaging box processing, and particularly discloses a UV coating treatment process for a color printing packaging box. The color printing packaging box UV coating treatment process comprises the following steps that S1, an alkaline water-based cleaning agent is used for pretreating the surface of a printing stock; s2, mixing the epoxy acrylate resin, the polyurethane acrylate resin and the reactive diluent to form a premixed solution; s3, adding a photoinitiator and nano silicon dioxide into the premixed solution, and dispersing at a high speed to obtain UV coating slurry; s4, uniformly coating the UV coating slurry on the surface of a printing stock; s5, the coated printing stock is preheated; and S6, the coating is subjected to ultraviolet curing through a mercury lamp. The UV coating treatment process for the color printing packaging box can be used for surface strengthening treatment of high-end packaging products such as electronic product packaging boxes and cosmetic packaging boxes, and has the advantages that the mechanical strength and toughness are synergistically improved, and the durability of the coating is enhanced.