157results about How to "Light curing speed is fast" patented technology

The invention belongs to the field of coatings, and particularly relates to a polyurethane / polyacrylate copolymer modified by organic fluoride and an ultraviolet curing coating prepared by the polyurethane / polyacrylate copolymer. A method for preparing the polyurethane / polyacrylate copolymer modified by organic fluoride comprises the following steps: 1), preparing a polyurethane prepolymer modified by organic fluoride; 2), preparing a (methyl) acrylate prepolymer; and 3), preparing the polyurethane / polyacrylate copolymer modified by organic fluoride. A method for preparing an ultraviolet curing agent by taking the polyurethane / polyacrylate copolymer modified by organic fluoride as a raw material comprises the steps that taking 100-107 parts of polyurethane / polyacrylate, 50-68 parts of an reactive diluent, 13-18 parts of a photoinitiator and 8-16 parts of an auxiliary; stirring fully for 5-15 minutes until all the materials are mixed uniformly; and obtaining the polyurethane / polyacrylate copolymer modified by organic fluoride and the ultraviolet curing coating prepared by the polyurethane / polyacrylate copolymer.

The invention discloses a high-solid-content UV-curing aqueous urethane acrylate dispersion liquid and a preparation method thereof, wherein the method comprises the following steps of: firstly carrying out the monoesterfication reaction on the partial hydroxide group at the tail end of hyperbranched polyester and the anhydride group of dicarboxylic anhydride to obtain an intermediate I; carrying out the end capping reaction on an isocyanate group in diisocyanate and the hydroxide group in a hydroxyalkyl methacrylate monomer to obtain a reaction intermediate II; carrying out the reaction on the residual hydroxide group of the intermediate I and the residual isocyanate group of the reaction intermediate II to obtain a reaction intermediate III; and carrying out alkali neutralization, aqueous dispersion and reduced-pressure distillation on the reaction intermediate III to remove an organic solvent to obtain the UV-curing urethane acrylate aqueous dispersion liquid. The dispersion liquid has the characteristics of high solid content, relatively low viscosity, UV curability, good mechanical performance of a paint film and the like, conforms to the concept of environmental protection, can be applied to the fields of environment-friendly coatings, aqueous ink, aqueous adhesives, fabric coating agents and the like and has broad prospect.

The invention discloses castor oil-based polyurethane acrylate and a preparation method as well as application thereof. The castor oil-based polyurethane acrylate is hexa-functional or octa-functional castor oil-based polyurethane (methyl) acrylate resin. An acrylate radical comprises a methacrylate radical and an acrylate radical, and is suitable for carrying out free radical polymerization. Under the action of a photoinitiator, the resin is irradiated by ultraviolet light and can generate cross linking at a higher speed. A film formation product of the castor oil-based polyurethane acrylate has excellent flexibility and adhesive force; the hardness and the glossiness of a cured film are obviously improved; the castor oil-based polyurethane acrylate can be used as a formula ingredient of a photo-cured coating material, ink, and an adhesive.

The invention discloses a multiple crosslink ultraviolet solidification aqueous polyurethane disperser, a relative preparation method and an application. The preparation method comprises synthesizing polyurethane initial polymerized compound I, synthesizing polyurethane prepolymer II, synthesizing polyurethane prepolymer III, synthesizing polyurethane acrylate oligomer and synthesizing ultraviolet solidification aqueous polyurethane disperser. The invention mainly utilizes aromatic diisocyanate, diatomic alcohol prepolymer, polyhydroxy carboxylic acid, epoxy resin and hydroxyl acrylate as raw materials, with better water dispersity and storage stability, which leads in light inducer, levelling agent, defoaming agent and thickener to prepare ultraviolet solidification aqueous wood paint better than solvent ultraviolet solidification photosensitive resin, with stable storage, low fineness, high rigidity, high brightness, better flow leveling property, better water resistance, better solvent resistance, excellent abrasion resistance, environment protection, easy process and fire hazard resistance.

A high-adhesive ultraviolet polyurethane dual curing woodenware coating consists of dual-component priming paint and finish; Priming paint A consists of polyurethane acrylic ester with -NCO group 30-50 proportion, modified nanometer silicon dioxide 10-20 proportion, superfine hydrated magnesium silicate 10-20 proportion, active diluting agent 20-40 proportion and light evocating agent 1-5 proportion; Priming paint B consists of polyurethane acrylic ester with hydroxy-group 20-30 proportion, modified nanometer silicon dioxide 10-20 proportion, superfine hydrated magnesium silicate 10-20 proportion, active diluting agent 20-40 proportion and light evocating agent 1-5 proportion; Finish consists of polyurethane acrylic ester 10-30 proportion, epoxy-acrylic ester 10-30 proportion, modified nanometer silicon dioxide 10-30 proportion, active diluting agent 20-40 proportion and light evocating agent 1-5 proportion. It has better coating adhesion, mechanical strength and abrasive resistance. It can be used to coat large-area oily woods.

The invention discloses an antistatic coating for ultraviolet curing and a preparation method of the coating. According to the coating, poly3,4-ethylenedioxy thiophene is taken as a conductive component, waterborne polyurethane acrylic ester is taken as a matrix resin, waterborne polyurethane is taken as an auxiliary functional resin, and additives such as a monomer, a photoinitiator, a leveling agent, a substrate moistening agent and a defoaming agent are added, thus preparing the antistatic coating which is excellent in property. The surface resistivity of the coating formed on a PET (Polyethylene Terephthalate) film is 10<5>-10<8>omega / sq. The coating is free of harmful components such as methylbenzene or xylene, is low in volatile organic solvent content, environment-friendly and high in curing speed and has the characteristics of high efficiency, energy conservation and the like. After being cured, the coating has good adhesion property and long-lasting antistatic effect. Therefore, the coating has good popularization prospect.

The invention discloses a photocured organosilicone elastomer and a preparation method thereof. The photocured organosilicone elastomer is prepared from, by weight, 50-80 parts of vinyl methyl phenyl polysiloxane, 10-30 parts of mercaptopropyl methyl phenyl polysiloxane, 5-20 parts of mercaptopropyl silicon resin, 0-3 parts of photoinitiator and 0.1-1 part of auxiliary. Vinyl methyl phenyl polysiloxane, mercaptopropyl methyl phenyl polysiloxane, mercaptopropyl silicon resin and the photoinitiator are used as raw materials and mixed and stirred to be uniform, and the photocured organosilicone elastomer is prepared. By adjusting the quantity ratio of methyl segmers and phenyl segmers in polysiloxane and introducing mercaptopropyl silicon resin to serve as a macromolecular cross-linking agent, photocured organosilicone elastomers different in toughness, mechanical strength and refractive index can be prepared, and rapid curing molding is realized within 5-20 s under ultraviolet illumination; the process is simple, efficient and environmentally friendly and saves energy; the photocured organosilicone elastomer can be applied to the fields of electronic packaging materials, optical materials, 3D printing materials and the like.

The invention discloses humidity and ultraviolet dual-cured polyurethane woodware coating and a preparation method thereof. A synthesis method includes synthesizing initial polyurethane polymer I, polyurethane pre-polymer II, polyurethane pre-polymer III, polyurethane acrylate oligomer and ultraviolet cured woodware coating. The humidity and ultraviolet dual-cured polyurethane woodware coating is mainly prepared by aliphatic diisocyanate, dihydric alcohol pre-polymer, polyhydroxy acid, epoxy resin and hydroxy acrylic ester and the like, and by adding auxiliaries such as photoinitiators, flatting agents, defoamers, substrate wetting agents and catalysts, the ultraviolet cured woodware coating is prepared. The ultraviolet cured woodware coating can form films and be cured under irradiation of ultraviolet, also can be cured by humidity in the air within 5 hours at the room temperature, and has the advantages of high solid, NCO (isocyanate) group content and adhesion force, fine resistance to chemical corrosion, high film coating hardness and fine storage stability and the like, can be used for irregular coating surfaces, hone finished UV (ultraviolet) paint and UV colored paint and the like where cannot be irradiated by the ultraviolet.

The invention provides an aqueous system conductive polyaniline ultraviolet curing antistatic coating and a preparation method thereof. In the method, water-based conductive polyaniline is used as a conductive component, water-based ultraviolet curing resin is used as a film-forming component, coatings with different conductivities can be respectively obtained, and a coating with the surface resistance value range of 1*10<3> to 1*10<9>omega / sq is formed on a base material; the coating has the characteristics of high photocuring speed of 20 to 26M / min, no need of heating, high efficiency and energy conservation; the coating does not contain any toxic, harmful and volatile organic solvents such as toluene and dimethylbenzene, is an aqueous system coating and is environmentally-friendly; the coating has a stable system and cannot be demixed after being placed for six months at room temperature; and when a conductive coating containing the aqueous system conductive polyaniline ultraviolet curing antistatic coating is placed in the air for one year, the surface resistance is only improved by 1.3 to 8 percent, so the coating has lasting antistatic effect.

The invention discloses an ultraviolet (UV) curable super-hydrophobic anti-fingerprint coating, which consists of a polyurethane acrylate (PUA) resin, an acrylic ester resin, an activated fluorine monomer, a silicon resin and modified nano SiO2. The UV curable coating consists of a PUA oligomer, an activated thinner, a photoinitiator and an additive. According to the UV curable super-hydrophobic anti-fingerprint coating, the UV curable coating is prepared from the high-activity PUA oligomer, the activated thinner, the photoinitiator and the like, and a monomer with a special structure is added to resist fingerprint impressions; on such a basis, the activated fluorine monomer, the silicon resin and the like are introduced to form surface-dense and stable self-demixing hydrophobic varnish, so that a self-cleaning effect is achieved; and the modified nano SiO2 is used for constructing a surface micro / nanostructure by adopting a self-assembly technology, so that the UV curable super-hydrophobic anti-fingerprint coating has high performance. The invention also discloses a preparation method for the UV curable super-hydrophobic anti-fingerprint coating.

The invention provides a preparation method, a raw material, a product and an application of a photo-coupling co-crosslinking hydrogel material. The preparation method comprises the steps of dissolving a component A, namely an o-nitrobenzyl photo-trigger modified high polymer derivative in a biocompatible medium to obtain a solution A, dissolving a component B, namely an amidogen-containing high polymer derivative or a double bond containing high polymer derivative or a sulfydryl containing high polymer derivative in the biocompatible medium to obtain a solution B, uniformly mixing the solution A (or adding the solution B) to obtain a hydrogel precursor solution, illuminating the hydrogel precursor solution under a light source, and allowing o-nitrobenzyl groups in the component A to generate aldehyde groups / ketonic groups or nitroso-groups by optical excitation for double crosslinking to exert a co-crosslinking effect. The invention further provides a reagent kit for preparing hydrogel, and the application of the hydrogel material in tissue engineering, regeneration medicine and 3D (three dimensional) printing and as a cell, protein or drug carrier.

The invention discloses ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying and a preparation method thereof.The ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying is prepared from, by weight, 5-20 parts of urethane acrylate, 10-20 parts of epoxy acrylate, 0-5 parts of pure acrylate, 5-10 parts of polyesteracrylate, 30-40 parts of trimethylolpropane triacrylate, 10-20 parts of low-functionality active diluted monomers, 2-5 parts of photoinitiator, 0.05-0.1 part of a flatting agent, 0.05-0.5 part of adhesion promoter, 0.01-0.5 part of a conductive agent and 3-5 parts of electrostatic thinner.The ultraviolet curing vacuum coating metal primer prepared through the method can be used for electrostatic spraying, has the advantages of being good in coating performance, good in adhesion, high in salt fog resistance, high in production efficiency, high in paint utilization rate and the like, and has wide market prospects.

The invention belongs to the technical field of liquid crystal application and especially relates to a preparation method of a polymer mixed network-based polymer dispersed liquid crystal (PDLC) film material. The preparation method of the polymer mixed network-based PDLC film material is characterized in that one or more ultraviolet light polymerisable epoxy monomers, an ultraviolet light polymerisable acrylate (or methacrylate) monomer, nematic liquid crystals, a cationic photoinitiator, a free radical photoinitiator and glass beads are uniformly mixed according to a certain mass ratio; the mixture is coated between two transparent indium tin oxid (ITO) conductive plastic films and then is pressed into films having different thickness values; and the films are irradiated by ultraviolet lights having wavelength of 365nm to be cured into the polymer mixed network-based PDLC film material. The polymer mixed network-based PDLC film material obtained by the preparation method has the advantages belonging to an acrylate or methacrylate network-based PDLC film and an epoxy resin network-based PDLC film. The preparation method improves the cohesion between a polymer network and an ITO plastic film interface, and improves the stability of the polymer mixed network-based PDLC film material.

The invention relates to an ultraviolet light / heating double-curing adhesive. The adhesive contains the following raw materials in parts by mass: 40-70 parts of toughening-type epoxy premix, 15-35 parts of acrylate monomer, 0.1-1 part of photoinitiator, 0.1-1 part of thermal initiator, 10-35 parts of latent initiator and 1-10 parts of thixotropic agent, wherein the toughening-type epoxy premix contains bifunctional epoxy resin, liquid crystal epoxy resin and core-shell rubber particles. According to the adhesive disclosed by the invention, by adopting an epoxy / acrylate hybrid system, a heat curing epoxy component with high toughness and high adhesion strength to an LCP (Liquid Crystal Polymer) is obtained by introducing core-shell rubber and liquid crystal epoxy; through the fast photocuring positioning ability of an acrylate system, the applications of photocuring technology to opaque media, complex-shaped substrates, ultra-thick adhesive layers and colored adhesive layers are expanded; and the adhesive is especially suitable for electronic automated high-speed operations and adhesion of components with complex structures.

The invention discloses 3D (three dimensional) print light-cured resin, and belongs to the technical field of new materials. The light-cured resin is prepared from 20 to 70 parts of carboxyl-containing epoxy acrylate, 20 to 70 parts of aliphatic polyurethane acrylate, 2 to 20 parts of light curing reactive diluent, 1 to 20 parts of light curing agent, 1 to 20 parts of heat curing agent, 2 to 10 parts of alpha-Al2O3 and 0.1 to 1 part of assistant. The invention also provides a preparation method of the 3D print light-cured resin. The resin provided by the invention is quick in light curing speed, can be quickly formed and processed, is moderate in hardness and flexibility, and can be cured completely. Defects in the aspects of toughness, wrapping property, heat resistance and the like of light-cured resin in the prior art are overcome. According to the resin and the preparation method thereof, the carboxyl-containing epoxy acrylate is selected for reacting to improve mechanical strength in post curing; by adding the aliphatic polyurethane acrylate, the flexibility can be improved; two components are introduced, so the light curing efficiency and finished product mechanical property are improved at the same time.

The invention belongs to the field of chemical material synthesis and particularly relates to a synthesis method of ultraviolet-curing acrylate resin with a hyperbranched structure and application of the ultraviolet-curing acrylate resin in the field of paint. The method includes the step that amine monomers and acrylate monomers are subjected to a Michael addition reaction to obtain the AxBy type hyperbranched resin. The resin obtained through the method can achieve curing and cross-linking under the action of ultraviolet, and is large in molecular weight, low in volatility and small in smell. Each molecule contains multiple acrylate functional groups, the photo-curing speed of the resin is high, and the hardness of solid products is high. Besides, the resin molecules have a highly-branched three-dimensional spherical structure, the molecules are not likely to entangle, the solution viscosity is much lower than that of linear molecules with the same molecular weight, and a high-solid low-viscosity solution can be formed. The ultraviolet-curing acrylate resin with the hyperbranched structure can be applied to the fields of paint, adhesives, printing ink, 3D printing and the like, and has extremely good market prospects.

The invention provides a photo-thermal double-curing 3D printing resin composition. The photo-thermal double-curing 3D printing resin composition comprises, by weight, 66-86 parts of a radical-type photosensitive resin, 9-29 parts of a heat-curable epoxy resin, 1-4 parts of a radical photoinitiator and 1-3 parts of a latent thermosetting agent. The photo-thermal double-cured 3D printing resin composition is prepared through irradiation with ultraviolet light having wavelength of 365 nm to 500 nm so that the acrylic resin therein undergoes a free radical-initiated polymerization reaction underthe action of a photoinitiator and the reaction product is subjected to heat preservation at 80-120 DEG C for 1-2h after shaping so that the epoxy resin is post-cured under the action of the latent heat curing agent. The photo-thermal double-curing 3D printing resin composition accelerates the speed of photocuring, reduces the volume shrinkage of the product and has high physical and mechanical properties of the product through later heat curing.

The invention discloses an UV-curing coating. The UV-curing coating comprises the following components in parts by weight: 16-25 parts of bisphenol A epoxy acrylate resin, 4-10 parts of phenolic epoxy acrylate, 8-15 parts of epoxidation oil propionate, 10-25 parts of active diluents, 1-5 parts of photoinitiators, 6-12 parts of organic amine, 1-4 parts of auxiliary agents and 30-50 parts of a solvent. The UV-curing coating is used for making a printed circuit board and a substrate which has difficult adherence performance or a soft base material, the UV-curing coating has the advantages of fast light-curing speed of the coating, high coating hardness, good corrosion resistance, good heat resistance, good wetability, light irritation on skin, easy acquisition of the raw materials, and low cost.

The invention discloses UV gloss oil used for laser embossing transfer equipment. The UV gloss oil is characterized by comprising the following components in parts by weight: 2-10 parts of a light initiator, 1-5 parts of 2-ethylhexyl acrylate, 1-5 parts of a base material lubricant, 45-75 parts of a pre-polymer and 18-35 parts of a monomer, wherein the pre-polymer is amine modified polyether acrylate or ester-epoxy acrylate or superbranched polyester acrylate or a combination of the amine modified polyether acrylate and the ester-epoxy acrylate in same parts by weight; the monomer is 1,6-hexanediol diacrylate or ethoxylated trimethylolpropane triacrylate. The UV gloss oil disclosed by the invention is fast in curing speed, good in flexibility and high in glossiness and can satisfy an embossing transfer laser process, so that the laser embossing transfer effect is good.

The invention belongs to the technical field of paints, and discloses a nano cellulose whisker grafted water-diluted photocuring PUV (polyurethane acrylate) resin, and preparation and application thereof. The preparation method comprises the following steps: reacting aromatic or aliphatic diisocyanate with polyoxypropylene diol to obtain a polyurethane prepolymer I, sequentially reacting the polyurethane prepolymer I with dimethylolpropionic acid, nano cellulose whiskers, 2-hydroxypropyl acrylate and a pentaerythritol triacrylate mixture to obtain a nano-cellulose-whisker-containing PUV prepolymer, neutralizing the prepolymer, diluting with water, and removing the acetone solvent to obtain the product. The nano cellulose whiskers are subjected to graft polymerization reaction with NCO and OH groups onto the polyurethane prepolymer molecular chain, so that the obtained product has very high photocuring speed, excellent adhesive force, favorable storage stability and favorable water resistance. The tensile strength of the photocured paint film can reach 15.51 MPa, and the paint film has favorable mechanical properties.

The invention discloses an organic silicon resin as well as a preparation method and the application thereof and belongs to the technical field of organic silicon resins. The organic silicon resin isof a structure of formula (I) as shown in the specification, in the formula, n is greater than or equal to 50; R1 is alkylene; R2 is hydrogen or methyl; M is of a structural formula (II) as shown in the specification, in the formula, m is greater than or equal to 1; R3 is alkylene. The organic silicon resin is relatively low in viscosity, rapid in photo-curing speed, good in filming property and in addition simple in preparation process; when the organic silicon resin is adopted as a host resin of a release agent, the properties of the release agent can be improved, and the release force of afilm formed after the release agent is cured can be reduced.

The invention discloses a preparation method of antibacterial glass. The preparation method comprises the following steps: cutting a glass raw material, then carving and processing the glass raw material, and cleaning and pretreating the glass raw material to obtain pre-treated glass; and mixing, heating and melting potassium nitrate and silver nitrate to obtain antibacterial tempering furnace water, and adding the pre-treated glass into the antibacterial tempering furnace water for antibacterial tempering to obtain the antibacterial glass. The preparation method of antibacterial glass is simple in process, and the obtained antibacterial glass has the characteristics of the glass material and is good in antibacterial effect and wide in application.

The invention relates to a self-leveling aqueous fluorine-containing urethane acrylic resin, a preparation method thereof and an aqueous photocurable coating, and belongs to the field of coatings. Theself-leveling aqueous fluorine-containing urethane acrylate resin of the invention is prepared from the following raw materials in mass percentage: 10-20% of trimer polyisocyanate, 10-25% of monohydroxy acrylates, 2-10% of perfluoropolyether glycol, 1-2% of trimethylolpropane, 2-6% of dimethylolpropionic acid, 1-3% of neutralized amine, 40-60% of water, 4-7% of acetone, 0.01-0.1% of a catalyst, and 0.1-1% of a polymerization inhibitor. The leveling aqueous fluorine-containing urethane acrylic resin of the invention has excellent water dispersibility, good stability, milky white appearance with blue light, high resin solid content and moderate viscosity; and the obtained photocurable coating has good stability, strong impact resistance, and good application prospects.

The invention discloses an electro-deposition photoresist, which comprises the following components: 17.0 to 19.0 weight percent of water-based acrylic copolymer matrix resin, 0.5 to 0.7 weight percent of photoproduction acid agent, 0.2 to 0.4 weight percent of photosensitizer, 4.0 to 5.0 weight percent of active thinning gent, 1.0 to 2.0 weight percent of surfactant, 2.0 to 3.0 weight percent of inorganic filler and 70.0 to 72.0 weight percent of solvent. The invention also discloses a preparation method for the electro-deposition photoresist, which comprises the following steps of: 1) preparation of the water-based acrylic copolymer matrix resin; and 2) preparation of the photoresist. The invention also discloses a film forming method for the electro-deposition photoresist, which comprises the following steps of: filling the photoresist into an electro-deposition tank, and performing electro-deposition curing to form a film. The cost is low, the process is simple, and industrialization is easy.

The invention discloses a preparation method of a silane coupling agent containing allyl sulfydryl and amino and a usage thereof. The molecular structural formula of the silane coupling agent is (R1O)3-xSiR2xR3(NHR4)yNHz(SHCNH2NHCH2CH=CH2)m. The silane coupling agent is obtained through addition reaction of 1-2 mole allylthiourea and 1 mole silane coupling agent with the molecular formula of (R1O)3-xSiR2xR3(NHR4)yNH2, wherein R1 and R2 are straight chain or branched alkyl of same or different 1-6 carbon atoms, R3 is alkylidene and aryl of 1-6 carbon atoms or aryl alkylidene and alkyl arylene of 6-10 carbon atoms, and R4 is alkylidene of 1-6 carbon atoms, x is 0 or 1, y is 0, 1 or 2, z is 0 or 1, and m is 2-z. Compared with the traditional allyl monomer, the silane coupling agent can be used as active diluent monomer of ultraviolet curing prepolymer, the sulfydryl is contained in the molecule, the inhibition of the oxygen to the ultraviolet curing process can be effectively reduced, the ultraviolet curing speed is improved, the function of the silane coupling agent can be brought into play, and the adhesion function of the coating adhesive and the matrix is improved.

The invention provides preparation, raw materials, a product and application of an optical coupling synergistic cross-linked hydrogel material. The preparation method comprises the following steps: dissolving a component A o-nitrobenzyl photo-trigger modified polymer derivative into a biocompatible medium to obtain a solution A, and dissolving a component B amino-containing polymer derivative or double bond-containing polymer derivative or sulfydryl-containing polymer derivative into a biocompatible medium to obtain a solution B; uniformly mixing the solution A or the solution B to obtain a hydrogel precursor solution; and under the irradiation of a light source, making the o-nitrobenzyl in the component A generate aldehyde groups / keto groups or nitroso groups at the same time under the optical excitation to perform double cross-linking, so that a synergistic cross-linking effect can be achieved. The invention also provides a kit for preparing a hydrogel, and application of the hydrogel material in tissue engineering and regenerative medicine, 3D printing and as a cell, protein or drug carrier.

The invention discloses a UV-light curing paint, which comprises the following raw materials: epoxy acrylate resin, urethane acrylate, trimethylolpropane triacrylate, 1,6-hexanediol diacrylate, N-vinyl pyrrolidone, propoxylated glycerol triacrylate, photoinitiator, barite, clay, titanium dioxide, silicon nitride, nano vanadium dioxide, vinyl triethoxy silane, gamma-methacryloxy propyl trimethoxy silane, fluorine-containing quaternary ammonium salt, ketone, hexahydro-1,3,5-trihydroxy symtriazine, defoaming agent, leveling agent, wetting agent, and n-butanol. The UV-light curing paint is good in water resistance, excellent in antibacterial effect and long in service life.

The invention relates to high performance UV ink and a preparation method and application thereof. The ink comprises, by weight, 25-45 parts of epoxy acrylate resin, 8-12 parts of saturated polyesterresin, 2-5 parts of methacrylate phosphate, 15-25 parts of 1,6-hexanediol diacrylate, 5-7 parts of tetrahydrofuran acrylate, 0.5-1 part of fumed silica, 3-5 parts of a photoinitiator, 0.5-1 part of toner, 25-40 parts of a filler and 1-3 parts of an auxiliary agent. The ink has good adhesion on a flexible substrate, is applied to a flexible electronic component, has no influence on the electrical conductivity of a conductive material such as conductive silver paste, and can well protect a conductive line and prevent oxidative discoloration of the conductive line.

The invention discloses low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate and a preparation method thereof. The low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate has a structural formula as shown in the specification. The degree of functionality of the low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate is 6-9, the viscosity is 300-2000mPa.s, and the molecular weight is 750-2500, so that the low-viscosity high-reactivity low-volume-contraction modified dipentaerythritol acrylate has very high reactivity, lower viscosity, high molecular weight, low migration, high curing efficiency, low volume contraction rate, good adhesive force and adjustable flexibility, and a prepared coating is good in impact resistance and strong in adhesive force; and the preparation method disclosed by the invention is simple and easy to control, and an obtained product is high in purity and good in performance.

The invention discloses polyacrylic resin with side-chain modification of hybrid epoxy acrylate and a synthesis method. The polyacrylic resin is mainly prepared from the following raw materials: carboxylated polyacrylate, hybrid epoxy acrylate, an alkaline catalyst and a polymerization inhibitor. The method comprises the following steps of: mixing the carboxylated polyacrylate and the hybrid epoxyacrylate, adding the alkaline catalyst and the polymerization inhibitor in the heating process, carrying out insulated reaction till the acid value is 3-5 mgKOH / g, cooling and obtaining the polyacrylic resin. The polyacrylic resin disclosed by the invention has the advantages of low viscosity, fast photocuring speed, good adhesion of a cured coating film, high hardness and good flexibility and the like, can be used for the fields of flexible sealing ends and the like in production of paper, floors and liquid-crystal displays; the method is short in reaction time and low in cost and is suitable for industrial production.