233 results about "Reactive diluent" patented technology

The invention discloses a high-toughness conductive and thermal-conductive epoxy adhesive, a preparation method thereof and a conductive film, and belongs to the technical field of conductive materials. Comprising the following raw material components in parts by weight: 100 parts of epoxy resin, 4-25 parts of a latent curing agent, 0.5-5 parts of an accelerant, 200-600 parts of conductive filler, 5-15 parts of an epoxy-terminated polyurethane flexibilizer, 5-20 parts of a core-shell flexibilizer, 5-10 parts of a nitrile rubber flexibilizer, 2-10 parts of a reactive diluent, 0.5-2 parts of a coupling agent and 20-50 parts of a solvent. Through compounding of the over-end epoxy type polyurethane flexibilizer, the core-shell flexibilizer and the nitrile rubber flexibilizer, the prepared conductive adhesive has excellent toughness and bonding characteristics, and meanwhile, the shrinkage stress and thermal stress in the curing process can be reduced.

The invention relates to the technical field of ink preparation, in particular to a quantum dot-containing LED-UV anti-forgery ink formula and an in-situ modification preparation process thereof, and the quantum dot-containing LED-UV anti-forgery ink formula comprises the following components in parts by mass: 2-8 parts of core-shell structure quantum dots, 20-40 parts of LED-UV curing resin, 15-30 parts of a reactive diluent, 3-8 parts of a photoinitiator, 1-5 parts of a composite anti-forgery functional aid and 5-15 parts of a high-purity solvent. The quantum dots are uniformly dispersed in an ink system after being subjected to in-situ modification treatment, in-situ modification is realized through chemical bonding of a surface modifier and hydroxyl and amino groups on the surfaces of the quantum dots, and LED-UV cured resin, an active diluent and a photoinitiator cooperate with an LED-UV light source of 365-405 nm to perform in-situ surface modification on the quantum dots, so that the quantum dots are uniformly dispersed in the ink system. The fluorescent powder is tightly combined with a resin system through chemical bonding, so that agglomeration and migration are fundamentally prevented, and the uniformity and stability of the fluorescent property are ensured.

The invention discloses a high-adhesion UV LED coating composition and a preparation method thereof. The high-adhesion UV LED coating composition is prepared from the following raw materials in parts by weight: 50 to 70 parts of composite oligomer, 90 to 120 parts of composite reactive diluent, 1.5 to 2.5 parts of composite photoinitiator, 0.8 to 1.8 parts of composite adhesion promoter, 5 to 15 parts of inorganic filler, 0.6 to 1.5 parts of fluorine-modified acrylate flatting agent and 0.1 to 0.7 part of light stabilizer. The UV LED coating composition disclosed by the invention can be well combined with untreated low-polarity plastic, smooth metal surfaces and the like, has high adhesive force and is not easy to peel off after being subjected to external force.

The invention provides a single-component dual-curing 3D printing photosensitive resin combined with a latent reaction source, an elastomer material and a preparation method, and relates to the technical field of 3D printing. The photosensitive resin comprises the following raw materials in parts by mass: 70-90 parts of a methacrylate-terminated polyurethane prepolymer, 1-5 parts of a compound which can be dehydrated under a heating condition, 5-15 parts of a reactive diluent and 1-5 parts of a photoinitiator, and the structural formula of the methacrylate-terminated polyurethane prepolymer is as shown in a formula II. The photosensitive resin provided by the invention introduces a substance which can be dehydrated after being heated to a specific temperature as a'latent 'reaction source. In the printing post-treatment stage, dehydration is triggered through heating, released water molecules react with part of isocyanate groups in a system, a high-activity diamine chain extender is generated in situ, and then the high-activity diamine chain extender and remaining isocyanate are subjected to efficient chain extension reaction.

The invention discloses foamed 3D printing elastomer photosensitive resin and a preparation method, and relates to the technical field of additive manufacturing materials. The thermal-expansion polyurethane acrylate composite material is prepared from the following materials in parts: 400 to 700 parts of a polyurethane acrylate oligomer containing dynamic oxime ester bonds and acrylate groups, 200 to 500 parts of a reactive diluent, 50 to 200 parts of thermal-expansion microspheres, 10 to 50 parts of a photoinitiator and 1 to 50 parts of a stability auxiliary agent, the polyurethane acrylate oligomer containing the dynamic oxime ester bond and the acrylate group is prepared by reacting isocyanate, polyol, a compound containing oxime hydroxyl and an acrylate end-capping reagent. According to the 3D printing elastomer photosensitive resin and the preparation method thereof, by introducing dynamic oxime ester bonds, controllable foaming of the material in the heat treatment process is achieved, the technical bottleneck that traditional light-cured resin is large in foaming difficulty is broken through, the material is endowed with the excellent lightweight characteristic through design, good mechanical performance and heat stability are kept, and the 3D printing elastomer photosensitive resin is suitable for 3D printing. The high requirement on the material performance is met.

The present invention relates to a curable composition comprising an oligomer and a low viscosity reactive diluent. The oligomer comprises polymerized high Tg monomer units, polymerized low Tg monomer units, polymerized chromophore monomer units, and optionally at least one polymerized additional monomer unit. The invention also relates to use of the curable composition as a pressure sensitive adhesive curable composition and methods of coating a substrate.

The present invention relates to a multi-component epoxy resin composition comprising: - a first component comprising: - at least one epoxy resin having an average of two or more epoxy groups per molecule; - optionally, at least one reactive diluent having one epoxy group per molecule; - optionally, further additives; and - a second component comprising: - at least one amine curing agent for the epoxy resin; - optionally, further additives; and - a third component comprising: - an aqueous solution of at least one metal salt (wherein the solution contains between 20 and 80 parts by weight, preferably between 30 and 70 parts by weight, and particularly between 40 and 60 parts by weight, based on 100 parts by weight of water in the aqueous solution). Herein, the weight ratio of the second component to the third component is between 100:0.3 and 100:10, preferably between 100:1 and 100:5. By combining a water-based curing-accelerating third component with a general two-component epoxy resin composition, a significant acceleration of curing is achieved in the two-component epoxy resin composition without the need for heating, and without adversely affecting the properties of the cured epoxy resin composition.

The invention discloses a 3D printing polyurethane elastomer as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The polyurethane elastomer is composed of a prepolymer containing a dynamic hydrazide urea bond and a hindered urea bond and a monomer containing primary amine, the prepolymer takes polyether polyol and diisocyanate as basic raw materials, a dynamic hydrazide urea bond hard segment is introduced into the prepolymer through a hydrazide chain extender, a side chain is introduced through glycidyl methacrylate, and the primary amine-containing monomer is prepared. A dynamic hindered urea bond and a photocuring group are introduced through an acrylate end-capping reagent, and a reactive diluent and a photoinitiator are matched to optimize the forming performance. In the preparation process, a prepolymer and a primary amine-containing monomer are mixed and then subjected to 3D printing forming, in the low-temperature stage, reversible exchange of dynamic hydrazide urea bonds and hindered urea bonds is promoted to heal interlayer defects, and in the high-temperature stage, the hindered urea bonds are triggered to break and react with primary amine to form a stable cross-linked network. The 3D printing polyurethane elastomer has excellent rebound resilience, mechanical strength and hydrophobic effect.

This invention discloses a polyurethane-based photocurable resin lens and its preparation method, relating to the field of optical resin lens technology. It is prepared from the following components in parts by weight: 30-40 parts of fluorosilicone block polyurethane acrylate oligomer, 10-20 parts of polythiol, 1-3 parts of photoinitiator, 0.05-0.1 parts of red pigment, 0.05-0.1 parts of blue pigment, 1-3 parts of additives, 0.5-2.5 parts of functional additives, 20-30 parts of reactive diluent, and 5-8 parts of other monomers; wherein the other monomers are 1,6-hexamethylene diisocyanate and 3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane compounded in a mass ratio of (3-5):1. This lens, through optimized formulation, achieves a synergistic improvement in optical performance, mechanical properties, and environmental resistance.

The invention relates to the technical field of high polymer materials, and discloses a solvent-free modified PI resin and a preparation method thereof, and the solvent-free modified PI resin comprises amino-terminated polyimide powder, acryloyl line, isobornyl acrylate, isocyano ethyl methacrylate and a photoinitiator. The preparation method comprises the following steps: firstly, synthesizing amino-terminated polyimide powder from fluorine-containing diamine and dianhydride, then dissolving the amino-terminated polyimide powder in acryloyl line and isobornyl acrylate, adding isocyano ethyl methacrylate to enable an isocyanate group to react with an amino-terminated group so as to introduce photoactive double bonds, and finally mixing an initiator. The PI solubility is improved through the fluorine-containing structure design, and zero VOC emission is achieved by replacing an organic solvent with the reactive diluent; a uniform cross-linked network is constructed through chemical bonding, so that the microscopic phase separation problem of a physical blending system is solved, second-level photocuring is realized, and the tensile strength and heat resistance of the cured resin are obviously improved.

The invention discloses a high-temperature aging resistant UV mirror release agent and a preparation method thereof, and belongs to the technical field of release agents. The preparation method comprises the following steps: firstly, mixing 75-85 parts by weight of DA type polyurethane acrylate resin, 10-20 parts by weight of a reactive diluent and 3-5 parts by weight of a photoinitiator, then adding 0.3-0.8 part by weight of a leveling agent and 0.3-0.8 part by weight of fumed silica, mixing, and then defoaming to obtain the high-temperature aging resistant UV mirror release agent. The UV mirror surface release agent provided by the invention has good high-temperature aging resistance, can release internal stress of a polymer network through reversible fracture and re-formation of D-A bonds in a high-temperature environment, inhibits cross-linking density change caused by irreversible relaxation of chain segments, drives molecular chains to move and realizes microstructure healing, and has good application prospects. The completeness of the coating and the stability of the release force are ensured.

The invention discloses fading-washing-free plating-resistant ink for a chemical copper deposition process as well as a preparation method and application of the fading-washing-free plating-resistant ink. The washing-free anti-plating ink comprises the following components in parts by weight: (A) 40-80 parts of photocurable acrylate resin; (B) 0.1-5 parts of a nitrogen-containing plating-resistant functional monomer; (C) 10-40 parts of an inorganic filler; (D) 0.5 to 1.5 parts of a reactive leveling agent; (E) 0.5 to 1.5 parts of a non-reactive leveling agent; (F) 5-25 parts of a reactive diluent monomer; (G) 0.5-6 parts of a photoinitiator; and (H) 5-15 parts of an organic solvent. The washing-free plating-resistant ink is subjected to screen printing or jet printing to form a film, and a cured film layer does not form copper deposition in a chemical copper deposition solution, and can enter a subsequent electroplating process without washing or stripping treatment after copper deposition.

This invention discloses a superhydrophobic radiation-cooling polymer coating, its preparation method, and its application. The coating is white and possesses a bicontinuous micro / nano porous structure. It is prepared by a ternary copolymerization reaction of polyurethane acrylate oligomers, acrylate reactive diluents, and vinyl siloxane porogens. The method involves initiating free radical polymerization of monomers in the porogen under ultraviolet light, inducing rapid phase separation, and naturally evaporating the porogen to obtain the coating. This coating exhibits superhydrophobicity without post-treatment, virtually no absorption in the solar spectrum, and near-100% emissivity in the mid-infrared window. Furthermore, the optical properties and superhydrophobicity of the coating are minimally affected by long-term ultraviolet irradiation, thermal aging, acids, and alkalis. This coating can be applied over large areas in high-performance radiation-cooling applications.

The invention discloses a photocurable polyimide ionomer composition and a preparation method and application thereof, and the photocurable polyimide ionomer composition comprises the following components in parts by weight: 30 parts of polyimide oligomer; 5 to 100 parts of a reactive diluent; 2 to 5 parts of a photoinitiator; and 0.2 to 1.5 parts of alkali. The invention provides a photocurable polyimide ionomer composition as well as a preparation method and application thereof, and solves the problem of high shrinkage rate of a workpiece caused by high-temperature imidization and solvent volatilization of an existing photocurable polyimide system. And the heat resistance, the mechanical property and the printing manufacturability are difficult to consider due to poor compatibility of polyimide and a photocuring component. The polyimide ionomer composition is suitable for photocuring additive manufacturing processes such as stereolithography.

The invention discloses a solvent-free superfine high-thermal-conductivity insulating coating and a preparation method and application thereof, and the coating comprises 30-50% wt of a resin film-forming composition, 10-20% wt of an epoxy reactive diluent, 0.3-1.3% wt of a wetting leveling agent, 2-5% wt of a dispersant, 0.5-1% wt of an antifoaming agent, 16-20% wt of a curing agent, and 40-70% wt of an inorganic filler. Wherein the inorganic filler is prepared from 3 to 10 weight percent of diamond powder, 10 to 30 weight percent of spherical aluminum oxide powder, 15 to 25 weight percent of aluminum hydroxide powder and 5 to 15 weight percent of titanium dioxide. The coating obtained by adopting the formula disclosed by the invention is fine and smooth, has the characteristics of high heat conductivity and high insulation, reduces heat radiation, and also increases the heat conduction function of the coating, so that the requirements of the vehicle-mounted power battery are well met, and a solid foundation is laid for improving the safety of the vehicle-mounted power battery.

Provided are methods of forming a three-dimensional object that include irradiating a resin composition of the invention with actinic radiation or light, thereby forming a three-dimensional intermediate, and then further reacting the three-dimensional intermediate to form the three-dimensional object. In some embodiments, resin compositions of the invention include a polyisocyanate such as, e.g., a reactive blocked polyisocyanate; a polyfunctional epoxy compound; a photoinitiator; optionally, a catalyst; optionally, a polyol and / or a polyamine chain extender; optionally, a reactive diluent; optionally, a pigment or dye; and optionally, a filler. Related resin compositions are also provided herein. Further, provided are three-dimensional objects formed by a method of the invention, including, e.g., objects formed of a polymer having at least one oxazolidinone linkage.

The application discloses a bone-integrative degradable silica gel support for treating bone nonunion and a preparation method thereof, and relates to the technical field of medical implant materials.The preparation method comprises the following steps: hydrogen-containing silicone oil and allyl glycidyl ether are subjected to a hydrosilylation reaction under the action of a platinum catalyst to generate silicone oil containing an epoxy group, then the epoxy group is subjected to ring-opening under the action of a catalyst to obtain silicone oil containing a phosphate group in a side chain; carboxyl-terminated polylactic acid-glycolic acid copolymer is mixed with the silicone oil containing the phosphate group in the side chain, and a condensation reaction is carried out under the action of a condensing agent and a catalyst to obtain a PLGA-P-PDMS-PLGA triblock copolymer; the triblock copolymer, a reactive diluent, a photoinitiator and inorganic reinforcing fillers are mixed to obtain 3D printing slurry; and the printing slurry is printed into a designed bone-integrative support according to set printing parameters by using a light-curing 3D printing technology.The application endows the material with intrinsic osteogenic activity, and realizes the unification of bioactivity, shape memory function and mechanical support.

This invention discloses a photo / thermal dual-curing bio-based UV ink composition and its preparation method, relating to the field of UV-curable printing materials. It comprises the following raw materials in parts by weight: 100 parts of polypropylene carbonate diol-type polyurethane acrylate oligomer, 5-20 parts of a thermosetting component, 50-150 parts of an reactive diluent, 2-10 parts of a free radical photoinitiator, 0-80 parts of a colorant, and 0-10 parts of other additives; the thermosetting component includes eugenol-furfurylamine type benzoxazine monomer. The UV ink composition obtained by this invention can be heat-treated after photocuring. The polybenzoxazine network is interpenetrated after the formed polyurethane acrylate pre-crosslinked network, forming an interpenetrating or interpenetrating polymer network, and additional crosslinking can occur. This not only improves the strength and flexibility of the ink layer but also effectively enhances solvent resistance and adhesion, resulting in a UV ink composition with excellent overall performance.

A photo-curable composition can include a photo-curable resin and a photoinitiator. The photo-curable composition can typically have a shear viscosity of less than 1 Pa·s at 100° C. at a shear rate of 50 s−1 and can typically include a first prepolymer, a second prepolymer, and a reactive diluent.

This invention relates to the field of insulating materials for porous copper foil preparation, and particularly to an insulating material for porous copper foil preparation and its preparation method, as well as a method for preparing porous copper foil. The preparation method includes the following steps: perforating a cathode plate to obtain a cathode plate with multiple blind holes; filling the blind holes with an insulating material for porous copper foil preparation, and curing it to obtain a pretreated cathode plate; the raw materials for the insulating material are: resin, reactive diluent, thixotropic agent, leveling agent, polymerization inhibitor, and photoinitiator. The pretreated cathode plate is used as the cathode and placed in an electrolyte for electrodeposition to obtain porous copper foil. When preparing porous copper foil with the insulating material, the filling material in the blind holes can withstand more than 80 electroplating cycles without peeling off, indicating that the insulating material for porous copper foil preparation possesses excellent adhesion and electrolyte environment durability, enabling a single-filled cathode to support stable electrodeposition over an ultra-long period, significantly extending its effective service life.

This invention belongs to the field of UV coating technology, and particularly relates to a UV coating that requires no base coat and its preparation method. The raw materials for preparing the coating include the following components by weight: 20–35 parts acrylated epoxy resin, 15–25 parts polyurethane acrylate oligomer, 10–20 parts trimethylolpropane triacrylate, 2–6 parts fluorinated acrylate monomer, 3–8 parts photoinitiator, 0.5–2 parts polyether-modified siloxane leveling agent, 4–12 parts nanocomposite matte filler, 1–5 parts adhesion promoter, and 20–44.5 parts reactive diluent; pre-dispersed by stirring at a speed of 0 min for 20–40 minutes to obtain a premixed slurry; this invention achieves grade 0 adhesion for PET film through the synergistic effect of fluorinated monomer and adhesion promoter, solving the problem of easy peeling of flexible substrates; the fluorinated acrylate monomer achieves a surface tension ≤22 mN / m, realizing excellent hydrophobic and oleophobic properties; the nanocomposite matte filler stabilizes the gloss at 10–30 GU, meeting the requirements of high-end printing; the chemical energy density is 150–300 mJ / cm² (corresponding to 365–405). (nm light source), suitable for high-speed printing equipment.

This invention discloses an environmentally friendly solvent-free epoxy coating and its preparation method, belonging to the field of epoxy coating technology. The environmentally friendly solvent-free epoxy coating of this invention includes component A and component B, wherein, by mass fraction, component A includes 60-70 wt% epoxy resin, 10-20 wt% reactive diluent, 5.7-6.3 wt% non-reactive diluent, 0.4-0.8 wt% wetting and dispersing agent, 8-10 wt% pigment, 0.3-0.5 wt% defoamer, and 3-5 wt% thixotropic agent. Component B comprises 67-79 wt% modified amine curing agent, 2-4 wt% curing accelerator, 16-24 wt% modified wear-resistant filler, and 3-5 wt% modified curcumin; wherein, the modified wear-resistant filler is obtained by modifying wear-resistant filler with p-aminophenyltrimethoxysilane; the wear-resistant filler is obtained by composite of silicon carbide and molybdenum disulfide; the modified curcumin is obtained by reacting curcumin or curcumin derivatives with epichlorohydrin; the environmentally friendly solvent-free epoxy coating prepared by this invention has good weather resistance and wear resistance.

The invention discloses a near-infrared light response ester exchange resin composition as well as a preparation method and application thereof, and relates to the field of dynamic covalent polymer materials formed by ester exchange of glass-like polymers. The composition comprises matrix resin containing an ester group, a hydroxyl-containing reactive diluent, a thermal initiator or a near-ultraviolet / visible light initiator, a near-infrared photosensitizer and a photoacid generator, the matrix resin and the reactive diluent can be polymerized under heating or irradiation of light with the wavelength of 380-780 nm to generate cured resin, and the photoacid generator is kept stable in the process; under irradiation of near-infrared light with the wavelength larger than 780 nm, the near-infrared photosensitive agent and the photoacid generator act to achieve an in-situ acid production catalytic reaction, cured resin is driven to form a dynamic covalent polymer material through ester exchange, and the dynamic covalent polymer material has the characteristic that precise space-time regulation and control can be achieved.

The invention discloses a highly wear-resistant photocureable coating and a preparation method thereof, and relates to the technical field of photocureable coatings, the highly wear-resistant photocureable coating comprises the following components by mass: 25-40 parts of modified epoxy acrylate resin; 15 to 25 parts of polyurethane acrylate resin; 18-30 parts of a composite wear-resistant filler; 15 to 25 parts of a reactive diluent; 3-6 parts of a photoinitiator; 1-3 parts of a dispersant; 0.5 to 1.5 parts of a defoaming agent; 0.3-1 part of a leveling agent; the reactive diluent is a mixed diluent composed of trimethylolpropane triacrylate (TMPTA) and hexanediol diacrylate (HDDA) according to a mass ratio of 3: 2. According to the invention, a three-dimensional wear-resistant structure of a high-hardness substrate, a rigid wear-resistant framework and a low-friction surface is formed through a collaborative design of resin-filler-process, so that physical damage of external friction is resisted, energy loss in a wear process is reduced, and finally, long-acting high wear resistance of a coating film is realized.

The invention provides a hydrogen gas-sensitive sensing device and a preparation method and application thereof, the preparation method comprises the following steps: S1, performing a prepolymerization reaction on polyether glycol and diisocyanate, performing a chain extension reaction on a prepolymer and a chain extender, and finally performing an end-capping reaction on the prepolymer and an end-capping agent to obtain a self-repairing polyurethane prepolymer; s2, mixing the self-repairing polyurethane prepolymer, a reactive diluent and a photoinitiator to obtain a mixture, coating a mask plate with the mixture, and setting a substrate for curing to prepare a self-repairing polymer nano grating with the substrate; and S3, depositing a Pd layer on one side, far away from the substrate, of the self-repairing polymer nano grating to obtain the hydrogen gas-sensitive sensing device. The hydrogen gas-sensitive sensor obtained by the preparation method provided by the invention has the advantages of low pollution, low cost, self-repairing, self-energizing and high-precision periodic structure processing.

The invention discloses a UV pressure-sensitive adhesive for a protective film and a preparation method of the UV pressure-sensitive adhesive. The UV pressure-sensitive adhesive for the protective film comprises polyether polyol, aliphatic diisocyanate, dibutyltin dilaurate, hydroxyl acrylate, methylhydroquinone, an acrylate reactive diluent, a bifunctional crosslinking monomer and a photoinitiator. The pressure-sensitive adhesive is prepared by three steps of synthesizing urethane acrylate, preparing glue and preparing a protective film, the viscosity of the pressure-sensitive adhesive at 25 DEG C is 500-2000 mPas, and the pressure-sensitive adhesive is good in flowability, suitable for a high-linear-speed coating process, free of organic solvent, environmentally friendly, low in carbon, capable of being prepared by mixing at room temperature and short in process. The pressure-sensitive adhesive provided by the invention has the advantages of no residual adhesive, no fog shadow, excellent cohesive strength, high temperature resistance and weather resistance, solves the problems of high VOC emission, difficulty in balancing low viscosity and high performance and the like of the traditional pressure-sensitive adhesive, and is suitable for the limit protection requirement of a super-sensitive surface.

The present application relates to n aqueous acrylic / polyurethane dispersion comprising an acrylic-modified polyurethane hybrid resin formed from a monomer mixture, the monomer mixture comprising: (i) at least one polyisocyanate; (ii) at least one oligomer polyol; (iii) at least one small-molecular polyol; (iv) at least one acrylate monomer; (v) at least one acrylate reactive diluent different from (iv), the acrylate reactive diluent having secondary hydroxyl groups; and (vi) at least one water-dispersibility enhancer; wherein the ratio of isocyanate reactive groups to isocyanate groups in the monomer mixture is greater than 1.0, the aqueous acrylic / polyurethane dispersion has a solid content in the range of 40-50 wt%, and the acrylic modified polyurethane hybrid resin has a number average molecular weight in the range of 2000-10000 g / mol.

The present invention provides an insulating varnish composition, an insulating varnish cured product, and a method for manufacturing an insulating varnish cured product, which can improve the dielectric constant (PDIV) by uniformly incorporating air bubbles and increasing the creepage distance in an insulating varnish cured product used in the gaps between wires such as coils that have been treated with insulating varnish. [Solution] A thermosetting insulating varnish composition comprising (A) a base polymer, (B) a reactive diluent, (C) a microencapsulated foaming agent, and (D) a curing agent, characterized in that the foaming start temperature of (C) the microencapsulated foaming agent is lower than the curing start temperature of the insulating varnish composition, and the atmospheric pressure boiling point of (B) the reactive diluent is higher than the maximum exothermic temperature of the insulating varnish composition, is provided as an insulating varnish composition, an insulating varnish cured product, and a method for producing an insulating varnish cured product.

The invention discloses a VR lens surface antistatic coating and a preparation method thereof, and belongs to the technical field of functional coatings. The coating is composed of UV curing resin, a reactive diluent, a photoinitiator, doped conductive particles and a leveling agent. The preparation method comprises the following steps: preparing the doped conductive particles, preparing the antistatic coating, and coating and curing the antistatic coating. In order to solve the problems that conductive particles of an existing coating are prone to agglomeration, poor in compatibility, insufficient in antistatic durability and the like, a covalent grafting modification and step-by-step dispersion combined scheme is provided, stable anchoring and uniform dispersion of the conductive particles are achieved, the conductive particles have efficient antistatic property, high light transmittance and strong adhesive force under the low addition amount, long-term stability is achieved, and the application range is wide. The method is suitable for VR lens surface modification.

The invention belongs to the field of photosensitive materials, and particularly relates to a black photoresist resin composition which comprises the following components: (A) fluorine-containing epoxy acrylic resin, (B) an acrylate group-containing reactive diluent, (C) a low-temperature curing agent, (D) a photoinitiator, (E) organic black paste, (F) an auxiliary agent and (G) a solvent, wherein (A) the fluorine-containing epoxy acrylic resin has a fluorine content of 1 wt% to 3.5 wt%, preferably 2 wt% to 3 wt%, and is prepared by a substance comprising (a) a bisphenol epoxy monomer, (b) a hydroxy acrylate, (c) an unsaturated acid anhydride, and (d) a fluoroalkyl acrylate; the invention also relates to application of the black photoresist composition.