185 results about "Dual curing" patented technology

The invention discloses a water-based multi-layer degradable self-polishing ship antifouling coating system and a preparation method thereof, and belongs to the field of marine anticorrosion and antifouling materials. The system is composed of a zinc-rich primer, a modified epoxy intermediate paint and a functionalized finish paint. The finish paint takes polyhydroxyalkanoate as a matrix, and integrates a self-stratification modifier capable of forming a silicon-rich top layer during curing and a latent dual-curing system capable of realizing normal-temperature curing through a synergistic effect. According to the present invention, the mixing mechanism of dynamic self-polishing and static fouling release is adopted, and the innovative curing technology is combined, such that the long working life, the excellent mechanical property and the long-acting antifouling ability are achieved. The drawing adhesive force of the system is not lower than 7.9 MPa, and the environment-friendly requirements that the content of volatile organic compounds is smaller than or equal to 50 g / L, and the content of free diisocyanate monomers is smaller than or equal to 0.1 wt% are met.

The embodiment of the invention provides a UV (ultraviolet) thermal dual-curing adhesive and a preparation method thereof. The UV thermal dual-curing adhesive comprises the following components in percentage by mass: 30-55% of a photocuring prepolymer; 5%-25% of an active diluent monomer; 1%-10% of a photoinitiator; 1%-20% of a thermal initiator; 10%-40% of a filler; 0.5%-5% of a coupling agent; 1%-10% of a thixotropic agent; 1%-10% of pigment; 2%-8% of an auxiliary agent; wherein the photocuring prepolymer comprises epoxy resin. According to the UV thermal dual-curing adhesive and the preparation method thereof provided by the embodiment of the invention, the dual-curing adhesive with low shrinkage and low thermal expansion coefficient is obtained by optimizing the structure of the photocuring prepolymer and matching the components, and the prepared adhesive can be rapidly cured under the irradiation of LED 365nm ultraviolet light, or can be thermally cured under the low-temperature condition of 80 DEG C, so that the UV thermal dual-curing adhesive can be widely applied to the field of ultraviolet curing. The product can resist high and low temperature cycle impact of-50 DEG C to 140 DEG C, and has a good application prospect.

The invention discloses a bionic anti-drag protective film based on a surface micro-nano structure and a preparation method of the bionic anti-drag protective film, and relates to the technical field of anti-drag film preparation. According to the preparation method, the high-strength nitrogen-containing thermoplastic polyurethane film layer with the flame retardant property is prepared, one layer is coated with the hyperbranched polyurethane coating, the drag reduction functional layer with the microstructure is formed through embossing and photo-thermal dual curing, and the hyperbranched polyurethane coating can form a high-density cross-linked network during curing, so that the drag reduction performance is improved; according to the present invention, the hyperbranched polyurethane coating material has characteristics of good mechanical property and good weatherability, the hyperbranched structure can assist in dispersion of shrinkage stress and maintenance of coating surface flatness during heating, and the hyperbranched polyurethane coating material further contains nitrogen rings so as to provide the coating material with certain fire resistance.

The invention belongs to the technical field of polymer materials, and provides LED-moisture dual-curing organic silicon modified hyperbranched polyurethane acrylic resin as well as a preparation method and application thereof. The preparation method comprises the following steps: firstly, taking first polyhydric alcohol and polyatomic acid as raw materials, preparing a hyperbranched polyester prepolymer containing hydroxyl at the tail end through a first reaction, and further performing a second reaction with an isocyanate compound and second polyhydric alcohol to prepare a hyperbranched polyurethane prepolymer containing isocyanate groups at the tail end; the coating further prepared from the organosilicon modified hyperbranched polyurethane acrylic resin not only can be subjected to UV curing, but also can be subjected to LED curing and moisture curing, energy required by curing is low, curing is 100%, environment friendliness is achieved, VOC is zero, the flash point is 95 DEG C or above, the product curing speed is high, the viscosity is low, and the coating can be widely applied to the field of high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing, high-temperature curing and high-temperature curing. The paint has the advantages of good flexibility, good film-forming property, strong adhesive force and excellent weather resistance.

The invention relates to a reaction type closed diamine chain extender, dual-curing photosensitive resin, a 3D printed part and a preparation method, the reaction type closed diamine chain extender is obtained through reaction of a diamine chain extender and a functional monomer, the functional monomer at least comprises a functional group A, a functional group B and a functional group C, the functional group A is an aldehyde group or a ketone group and is used for reacting with an amino group in the diamine chain extender; and a functional group B containing a photocurable unsaturated bond. The reactive closed diamine chain extender provided by the invention participates in a photocuring process, so that the strength of a material in a photocuring stage is improved, the product yield in a printing process is ensured, no by-product is generated during subsequent heat treatment, and the mechanical property of a final finished product is not influenced. The dual-curing photosensitive resin can be stably stored for a long time, the mechanical property of the material can be remarkably improved through the photocuring-heat treatment synergistic effect, and the dual-curing photosensitive resin can be used for photocuring 3D printing technologies such as sinking type SLA and pull-up type DLP and LCD at the same time.

A single-component photothermal dual-curing epoxy adhesive. The raw materials, calculated by weight, include: 100 parts of an acrylic / polyurethane dual-modified epoxy resin, 10-40 parts of a low-viscosity epoxy resin, 8-30 parts of an epoxy curing agent, 30-300 parts of an inorganic filler, 2-30 parts of a dispersant, and 0.25-5 parts of a photoinitiator. This adhesive exhibits excellent photocuring activity, high toughness, and excellent high- and low-temperature resistance, while maintaining other properties. The photoinitiator in this system participates in the curing reaction, avoiding the degradation of the adhesive's mechanical and bonding properties due to initiator molecular migration. The adhesive also offers a flexible curing process and minimal curing shrinkage, meeting the weather resistance requirements of semiconductor packaging. This makes it an industrially viable epoxy adhesive for semiconductor packaging.

The invention discloses a dual-curing super-friction anti-skid stain-resistant matte finish paint coating, which is prepared from the following components in percentage by mass: 1 to 5 percent of dual-curing aliphatic polyurethane acrylate, 1 to 5 percent of fluorine modified epoxy acrylate, 15 to 25 percent of multifunctional aliphatic polyurethane acrylate, 1 to 5 percent of epoxy modified organic silicon resin, 20 to 30 percent of hexanediol diacrylate, 2 to 10 percent of dipentaerythritol triacrylate, 1 to 5 percent of epoxy modified organic silicon resin, 2 to 10 percent of dibutyl phthalate and the balance of water. The coating comprises the following components in percentage by weight: 10%-20% of modified silicon dioxide powder, 0.5%-4% of fluorine modified synthetic wax, 8%-15% of hard powder, 3%-10% of a photoinitiator and 1%-10% of an auxiliary agent. According to the invention, a more compact paint film is obtained by adopting a combined drying effect of UV curing and secondary curing, so that an expected stain-resistant effect is achieved, the addition amount of stain-resistant components can be reduced, an anti-skid effect is taken into account, and the cost is also higher in cost performance.

The single-component photo-thermal dual-curing epoxy resin three-proofing coating comprises the following raw materials in parts by mass: 100 parts of acrylic acid / organic silicon dual-modified epoxy resin, 8-25 parts of a diluent, 6-18 parts of an epoxy curing agent and 1-6 parts of a photoinitiator, the diluent is an acrylic acid glycidyl ether compound; the photoinitiator is an epoxy alkyl anthracene ether compound. The three-proofing coating disclosed by the invention has excellent adhesive force on a PCB (Printed Circuit Board), and has the characteristics of photo-initiation rapid curing and high toughness; the problem of molecular migration of the photoinitiator in the coating is avoided, and the weather resistance of the three-proofing coating is obviously improved.

The invention relates to organosilicone modified acrylic resin, a UV-thermal dual-curing adhesive and a preparation method of the organosilicone modified acrylic resin. The organosilicone modified acrylic resin is obtained by reacting a bifunctional acrylate monomer and modified polysiloxane under the action of a polymerization inhibitor 1 and a catalyst 1; the modified polysiloxane is obtained by reacting hydrogen-containing silicone oil, allyl glycidyl ether and 1, 4-cyclohexanedimethanol divinyl ether under the action of a polymerization inhibitor 2 and a catalyst 2. The adhesive prepared by matching the organic silicon modified acrylic resin with auxiliaries such as a monomer and an initiator can be subjected to UV-heat dual curing, the surface is dry and comfortable after curing, the sticky'oxygen inhibition 'phenomenon is avoided, and the adhesive has good hardness; the adhesive force with various base materials including PC, aluminum materials, glass and PET is good; the shear strength retention rate of each base material after double 85 1000 hours of aging is 70% or above; the appearance is not obviously changed in a high-temperature aging test, and better heat resistance is shown.

The invention relates to the field of layered composite fabrics, and discloses a cooling and heat-insulating layered composite fabric and a preparation method thereof. The composite fabric has a multi-layer structure of a coating and a fabric layer, silicon dioxide microsphere loaded maleic anhydride modified PVB and organic silicon modified polyurethane acrylate are introduced into the coating, a light-oxygen dual-curing system is constructed, and silicon dioxide, polyvinyl butyral and polydimethylsiloxane which are good in intrinsic infrared emission performance are introduced, so that the intrinsic infrared emission performance of the composite fabric is improved, and the intrinsic infrared emission performance of the composite fabric is improved. The cooling performance of the coating material is improved through multi-component synergism of nano Al2O3 with good heat reflection performance, and the cooling and heat insulation performance of the composite fabric is comprehensively improved by combining the excellent heat insulation performance of the special-shaped cross-section fibers in the fabric layer.

The invention relates to a low-shrinkage UV and moisture dual-curing adhesive and a preparation method, and belongs to the field of electronic adhesives, the low-shrinkage UV and moisture dual-curing adhesive comprises the following components by weight: 10-20 parts of urethane acrylate resin, 10-20 parts of a silane-terminated modified urethane acrylate polymer, 5-20 parts of a reaction type acrylate monomer, 1-5 parts of a curing agent, 1-5 parts of a curing agent, and 1-5 parts of a curing agent. The photoinitiator, the moisture scavenger, the catalyst, the filler, the fumed silica and the additive are sequentially arranged from 1 part to 2 parts, 0.5-2 parts, 0.5-1 part, 0.5-1 part, 0.5-1 part, 0.5-2 parts, 0-2 parts and 0.5-1 part. The UV and moisture dual-curing adhesive prepared by the invention has the advantages of extremely low curing shrinkage, high hardness and bonding strength, low thermal expansion coefficient and good storage stability, and is suitable for sealing of consumer electronics or an alignment process in the lens industry.

The present invention belongs to the field of polyurethane hot melt adhesives, and relates to a carbon dioxide-based reactive polyurethane hot melt adhesive and a preparation method thereof. The carbon dioxide-based reactive polyurethane hot melt adhesive comprises the following components in parts by weight: 10-50 parts of unsaturated carbon dioxide-based polycarbonate polyol, 5-25 parts of polyester polyol, 6-35 parts of polyether polyol, 4-30 parts of polyisocyanate, 5-25 parts of tackifying resin, 0.5-2.5 parts of a first free radical photoinitiator, and 0.1-2 parts of a first catalyst. The carbon dioxide-based reactive polyurethane hot melt adhesive provided by the present invention contains a carbon dioxide-based polycarbonate polyol having a six-membered ring, an amino group, and an unsaturated carbon-carbon double bond. This special structure can not only achieve ultraviolet curing and meet the requirements for rapid positioning in the electronic field, but also improve the adhesion performance and heat and moisture resistance of the polyurethane hot melt adhesive. In addition, the unsaturated carbon dioxide-based polycarbonate polyol uses carbon dioxide as a raw material, which is more environmentally friendly and meets the goal of green development.

The invention relates to the technical field of resin materials, in particular to photo-thermal dual-curing 3D printing ink and a preparation method and application thereof.The photo-thermal dual-curing 3D printing ink is prepared from, by weight, 30-60 parts of acrylate monomer, 10-30 parts of photoinitiator, 5-10 parts of photoinitiator, 1-5 parts of photoinitiator, 1-5 parts of photoinitiator, 1-5 parts of photoinitiator and 1-5 parts of photoinitiator. 40 to 70 parts of a reactive diluent; 3 to 10 parts of a photosensitive isocyanate monomer; and 2-5 parts of a photoinitiator. The photosensitive isocyanate monomer is introduced into the raw materials to obtain a dual-curing system, so that the 3D printing ink can be subjected to photocuring molding and then subjected to heat treatment to form an interpenetrating polymer network (IPN) structure, and the inevitable step effect in the photocuring 3D printing process is improved, so that the structural anisotropy is reduced, and the 3D printing quality is improved. The mechanical property of the material is improved.

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 a dual-curing front-line polymer resin system for repairing a fan blade and a preparation method. The dual-curing front-line polymer resin system is prepared from mixed resin and an initiator, the mixed resin comprises the following components in parts by weight: 80-90 parts of epoxy resin, 8-12 parts of polyfunctional acrylate and 2-8 parts of monofunctional acrylate; the initiator comprises a photoinitiator, a photosensitizer and a thermal initiator, and the mass ratio of the photoinitiator to the photosensitizer to the thermal initiator is (4-6): 1: (2-3); according to the dual-curing frontline polymerization resin system disclosed by the invention, through selection of all the raw materials, a form of photo-initiated frontline polymerization can be adopted, reaction heat pushes the movement towards the thickness direction before polymerization while the surface is rapidly cured by ultraviolet light, so that additional heat source equipment is not needed while complete curing of a thick-layer material and a colored system is realized, and the dual-curing frontline polymerization resin system is simple and convenient to operate and green and environment-friendly.

A dual-curing adhesive comprises multifunctional epoxy resin, thermal curing agent, photoinitiator, and a compound having an epoxy group and a radically-polymerisable group. The compound may be presen

Actinic radiation and moisture dual curable epoxy compositions and methods of curing such compositions are disclosed. The compositions comprise an alkoxysilane and epoxy dual functional oligomer comprising a functional group curable by actinic radiation, a functional group curable by moisture, and a functional group chemically linking the functional group curable by actinic radiation and the functional group curable by moisture; catalyst configured to react with the functional group curable by moisture in the presence of water; and at least one photoinitiator. The compositions are particularly useful for wearable electronics and medical devices. In some embodiments, unexpected results are obtained in the ability to use cationic photoinitiators and / or in avoiding the need for acrylates and / or heat curing.

The invention discloses a mechanical tough light-heat dual-curing bio-based coating and a use method thereof. The coating comprises a cellulose macromonomer grafted with double bonds, a castor oil-based monomer containing steric hindrance urea bonds, a diluent, a photoinitiator and diisocyanate. The application method comprises the following steps: mixing the materials, coating the surface of a base material with the mixed materials, curing under ultraviolet light, and then carrying out thermocuring. The castor oil is subjected to chemical modification to introduce steric hindrance urea bonds and chain-end double bonds, and the castor oil, the cellulose macromonomer grafted with the double bonds, the diluent, the photoinitiator and the diisocyanate are subjected to photo-thermal dual curing to form a coating on the surface of a base material, so that the mechanical strength of the coating is remarkably improved.

The invention discloses a manufacturing method of an artificial light-transmitting stone embossment, which is realized by the following steps of: mixing bio-based polyurethane resin with aliphatic isocyanate, adding fillers such as polyacrylate, organic silicon, nano silicon dioxide, glass beads and the like, then dispersing, carrying out vacuum defoaming to obtain slurry, and drying to obtain the artificial light-transmitting stone embossment. A layered pouring process is combined with an air pressure impressing technology for forming, the period is shortened through UV-thermal dual curing, and the embossment is manufactured. The bottleneck of a traditional process is broken through, epoxy resin is replaced with bio-based resin, the environment-friendly requirement is met, a diffuse reflection system is formed by nano-silica and glass beads, the light transmittance is larger than or equal to 70%, the surface is glossy, soft and free of glare, the aliphatic isocyanate endows the anti-yellowing characteristic, and compared with a traditional unsaturated polyester and epoxy resin method, the anti-yellowing performance is good. The light transmittance, the weather resistance, the mechanical property and the environmental protection property are remarkably improved, and the light-transmitting and weather-resistant composite material is suitable for high-end building decoration, art relief and other scenes and has the industrial mass production and personalized customization capacity.

The invention relates to the technical field of 3D printing, in particular to two-component photo-thermal dual-curing 3D printing resin and a preparation method thereof. Comprising a component A and a component B, the component B is a chain extender; the component A is prepared from the following raw materials in parts by weight: 60 to 95 parts of polyurethane acrylic resin; 0.1-30 parts of an acrylic monomer; 0.5-30 parts of a blocked isocyanate modified acrylic monomer; 0.5 to 5 parts of a photoinitiator; 1-6 parts of an auxiliary agent; the acrylic monomer is polyethylene glycol acrylate and / or an acrylate monomer containing other active groups; the blocked isocyanate modified acrylic monomer is one or a composition of more of pyrazolyl carbonyl amino group-containing acrylic ester, ketoxime carbonyl amino group-containing acrylic ester and ester carbonyl amino group-containing acrylic ester. After the 3D printing resin prepared by the technical scheme is printed and cured, relatively good printing performance, mechanical property and durability are obtained.

The invention relates to a double-resin interpenetrating network photo-thermal dual-curing optical fiber bonding and fixing adhesive which comprises the following components in parts by weight: 20-60 parts of epoxy resin, 10-30 parts of acrylate resin, 5-10 parts of a diluent, 0.5-3 parts of an auxiliary agent, 1-10 parts of a cationic photoinitiator, 1-10 parts of a free radical photoinitiator and 50-80 parts of filler. The shrinkage rate of the cured optical fiber bonding and fixing glue is not greater than 0.2%. According to the optical fiber bonding fixing glue provided by the invention, a low-shrinkage technical route for realizing co-growth of a double-resin interpenetrating network by regulating and controlling the curing reaction rate by virtue of photo-thermal dual-curing of the double-resin interpenetrating network and a filler in cooperation with the double-resin interpenetrating network.

This invention provides a bilayer programmed release hydrogel dressing based on PD-168077. The hydrogel dressing is formed by photocrosslinking a lower fast-release layer and an upper slow-release layer. The fast-release layer is formed by photocrosslinking and curing a first pregel solution containing a first concentration of methacrylamide hyaluronic acid, methacrylamide collagen, a photoinitiator, and PD-168077. The slow-release layer is formed by photocrosslinking and curing a second pregel solution containing a second concentration of methacrylamide hyaluronic acid, methacrylamide collagen, a photoinitiator, and PD-168077. This invention also provides a method for preparing the dressing and its application. This invention constructs a biomimetic dermal triple network structure through a photopolymerization strategy of "single formulation, dual concentration, dual curing," achieving programmed release of PD-168077 with a fast-then-slow release. This synergistic effect of the drug, including anti-inflammatory, antioxidant, and angiogenesis-promoting properties, along with matrix bioactivity, effectively promotes the healing of chronic diabetic wounds.

This invention discloses a magnetron sputtering sealant and its molding process, a sealant strip, and a display panel. The sealant comprises: a UV-curable resin, a PUR moisture-curable resin, a non-electromagnetically responsive filler, a non-conductive opaque pigment, and a non-conductive elastically modified filler. The sealant can form a rounded triangular cross-section under a vertical magnetic field and is fixed through UV-PUR dual curing. The sealant is a non-silicone system and non-conductive, exhibiting high elastic recovery characteristics after curing. This invention, through the synergy of UV-PUR dual curing and magnetron sputtering rounded triangular molding technology, provides a sealant that can be rapidly molded on-site, is non-conductive, opaque, and has high elastic stress dispersion function, effectively replacing foam tape and fundamentally solving the problem of light leakage due to pressure on the display panel frame.

The utility model relates to a kind of off-type membrane silicone oil quantitative transfer coating curing device, belong to off-type membrane production equipment technical field, including installation bottom plate, the top of installation bottom plate is fixedly installed with the support vertical board of two numbers, two The winding roller is rotatably installed between support vertical board, two The double curing assembly is arranged between support vertical board, the double curing assembly includes the hollow roller of three numbers rotatably installed between two The support vertical board, the both ends of the hollow roller rotatably install rotary connector.Off-type membrane silicone oil quantitative transfer coating curing device, by being provided with three hollow rollers of triangular distribution between two support vertical board, so that the off-type membrane of coating completion, bypass three hollow rollers, hot water is passed into the inside of hollow roller, off-type membrane is heated and solidified, off-type membrane is irradiated and solidified by three ultraviolet lamps, three double solidification, improve the effect of solidification.

The present invention discloses a degradable tough epoxy resin containing a cation-π effect and a preparation method thereof, wherein the epoxy resin is composed of a multi-arm thiol containing an ester group, an ionic liquid containing an unsaturated double bond and a cation-π effect, and an epoxy resin. The present invention can combine the multi-arm thiol containing an ester group and the ionic liquid of the unsaturated double bond with the epoxy resin through a light-heat dual curing process to construct a degradable epoxy resin system with high toughness, and the whole method is green, simple and easy to operate. The energy dissipation capacity of the epoxy resin containing the cation-π effect when subjected to external stimuli is significantly improved, and the cation-π action sites uniformly dispersed in the network play a key role in the balance of stiffness and toughness under repeated loading-unloading cycles. In addition, the ester group in the structure makes the synthesized epoxy resin have excellent degradation performance, and the hydrogen atoms in the imidazole can form intermolecular hydrogen bonds with the ester group, accelerate the degradation process of the resin, and achieve rapid degradation under amine / alkaline conditions.

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.

This invention relates to the field of environmentally friendly polymer materials technology, specifically to an environmentally friendly furniture protective film and its preparation method. It aims to solve the technical problems of insufficient toughness and short service life of traditional furniture protective films. The protective film of this invention uses a blend of polylactic acid, polyhydroxyalkanoates, and dimer fatty acid esters as a matrix, adds cyanoethylated lignin-cellulose nanocrystal composite reinforcing agents to form a dense nano-network, and introduces dynamic crosslinking agents and functional additives containing disulfide bonds. This invention employs a solvent-free ultraviolet light / humid heat dual curing system for coating and curing. The furniture protective film of this invention exhibits excellent mechanical properties, significantly improved toughness, high barrier properties, and multiple functions, as well as self-healing capabilities and environmentally friendly characteristics throughout its entire life cycle.

The invention provides a sodium metal battery negative electrode substrate and a preparation method and application thereof. The preparation method comprises the following steps: providing mixed slurry, wherein the mixed slurry comprises a phosphorus-containing polymer precursor, a cross-linking agent, a conductive filler and a photoinitiator; the phosphorus-containing polymer precursor contains a nucleophilic functional group; and coating a negative electrode current collector with the mixed slurry, and then sequentially carrying out photopolymerization curing and thermocuring to form a polymer coating, so as to obtain the sodium metal battery negative electrode substrate. According to the invention, a polymer coating with a hard shell-soft core gradient structure is constructed on a current collector through a phosphorus-containing polymer precursor and a light-heat dual-curing process, and a nucleophilic functional group induces uniform nucleation of sodium through a strong coordination effect so as to inhibit dendritic crystals; a phosphorus group can effectively quench free radicals, so that the flame retardance and the interface stability are improved; the surface layer of the gradient structure is compact to inhibit dendritic crystal puncture, the bottom layer is porous to buffer volume change, and uniform deposition, interface stability and volume buffering are synchronously achieved.

The present invention provides a single-component 3D printing photosensitive resin, an elastomeric material, and a preparation method, relating to the field of 3D printing technology. The single-component 3D printing photosensitive resin comprises the following raw materials, measured by mass: 10-25 parts of a blocked diisocyanate, 30-70 parts of an acrylic acid-modified polyamine, 20-40 parts of a reactive diluent, and 2-5 parts of a photoinitiator; the structural formula of the blocked diisocyanate is shown in Formula I, and the structural formula of the acrylic acid-modified polyamine is shown in Formula II. The dual curing process of the single-component 3D printing photosensitive resin system of the present invention combines the rapid prototyping advantages of photocuring and the deep chain extension advantages of thermal curing, so that the finally obtained elastomeric material has a higher molecular weight and better mechanical properties.

The application belongs to the technical field of paint coating, and particularly relates to a high-stability UV and moisture dual-curing three-protection paint and a preparation method thereof, which comprises, based on the total amount of raw materials, 25.5-77.9 wt% of 3,3,5-trimethylcyclohexyl acrylate, 20-54 wt% of polyurethane acrylate with an isocyanate group, 1-8.5 wt% of an auxiliary stable crosslinking agent, 0.1-5 wt% of a dehydrating agent, and 1-7 wt% of a photoinitiator; the weight ratio of the polyurethane acrylate to the 3,3,5-trimethylcyclohexyl acrylate and the auxiliary stable crosslinking agent is 1:(1.10-1.40):(0.05-0.30); and the auxiliary stable crosslinking agent is selected from trimethylolpropane triacrylate and / or trimethylolpropane trimethacrylate. The application has the properties of UV and moisture dual curing, and has high stability and can resist acid and alkali environments.