466 results about "Acrylate polymer" patented technology

The invention discloses an acrylate conductive composite pressure-sensitive adhesive and a preparation method thereof. The acrylate conductive composite pressure-sensitive adhesive comprises a raw material A and a raw material B, wherein the raw material A comprises 5-15 parts of acrylate polymer; 0.10 to 1.00 parts of epoxy resin; 1.0 to 10.0 parts of aniline; 0.1 to 1.0 part of an initiator; 1-5 parts of conductive particles; and 0.010 to 0.100 part of an amine curing agent. The acrylate conductive composite pressure-sensitive adhesive disclosed by the invention has excellent conductivity and capacitance sensing performance, and shows excellent capacitance stability and relatively high sensitivity in a pressure cycle test; on the basis of containing the conductive filler, the pressure-sensitive adhesive still has better hardness, adhesion strength and tensile strength, and the conductive filler is well dispersed and combined in a pressure-sensitive adhesive system.

The invention provides a preparation method of super absorbent resin, and relates to the technical field of super absorbent resin. The preparation method comprises the following steps: diluting acrylic acid with water, and adding alkali liquor for neutralization to obtain a neutralized solution; mixing an emulsifying agent, a thickening agent and foaming carbonate to obtain a foaming promoting auxiliary agent; adding a cross-linking agent, a photoinitiator and a temperature initiator into the neutralization solution to obtain a polymerization mother solution; uniformly mixing a foaming promoting auxiliary agent with the polymerization mother liquor, and initiating polymerization of the polymerization mother liquor under a UV illumination condition to obtain acrylate polymer gel; drying the acrylate polymer gel, and crushing and screening to obtain basic particles; and spraying a surface cross-linking treatment liquid on the surfaces of the basic particles, initiating a surface cross-linking reaction of the basic particles through heat treatment, and adding an inert filler after the surface cross-linking reaction to prepare the super absorbent resin finished product particles. The super absorbent resin disclosed by the invention has the characteristics of high reaction efficiency, high liquid absorption speed, good liquid passing performance, excellent reverse osmosis resistance and the like.

The instant disclosure is drawn to a cosmetic or personal care compositions in the form of oil-in-water dispersions, wherein the dispersion comprises oil droplets having a size from about 10 nm to about 1 μm. The compositions also include: (a) a hydrophobic polymer formed from a reaction product of a natural or food-derived oil and a methacrylate or acrylate polymer; (b) one or more solvents capable of solubilizing the hydrophobic polymer; (c) one or more biosurfactants, and optionally, one or more co-surfactants; and (d) water. Methods for making and using the compositions and methods for boosting foam are also disclosed.

The invention relates to a high-temperature-resistant UV viscosity-reducing adhesive tape and a preparation method thereof, and belongs to the technical field of UV viscosity-reducing adhesive tapes. The high-temperature-resistant UV viscosity-reducing adhesive tape comprises a base material layer, an adhesive layer and a release layer which are sequentially arranged, wherein the adhesive layer is prepared from an adhesive; the adhesive is prepared from the following components in parts by weight: 100 parts of an acrylate polymer, 0.1 to 2 parts of a cross-linking agent, 1 to 3 parts of a photoinitiator, 0.2 to 0.8 part of an antioxidant and 35 to 100 parts of a first solvent; the acrylate polymer comprises the following components in parts by weight: 70-80 parts of a soft monomer, 20-30 parts of a hard monomer, 5-10 parts of a polyfunctional monomer, 0.1-1 part of an initiator, 0.05-0.2 part of a polymerization inhibitor, 1-7 parts of an end-capping reagent and 100-200 parts of a second solvent. The UV viscosity-reducing adhesive tape can still keep excellent viscosity-reducing performance after being subjected to high-temperature treatment, and the effect that the viscosity is not reduced or even improved after being subjected to high-temperature treatment can be achieved.

The invention discloses SnCu alloy laser soldering paste and a preparation method thereof.The raw materials of the SnCu alloy laser soldering paste comprise soldering powder and flux paste, the soldering powder comprises Cu-coated Sn metal powder and silver metal powder, and the flux paste comprises Cu-coated Sn metal powder and silver metal powder; the flux paste comprises modified rosinyl carboxylic acid, a modified rosinyl acrylate polymer, a solvent, a wetting agent, organic amine, an anti-oxidation and anti-tarnishing agent and a thixotropic agent. According to the SnCu alloy laser soldering paste, wetting and diffusion of alloy powder can be effectively promoted through cooperation of all the components, and meanwhile oxidation and pollution in the welding process are reduced; the method can be widely applied to the fields of consumer electronics precision assembly, automotive electronics high-reliability welding, new energy equipment packaging, medical / aerospace extreme environment devices, optical communication core modules, industrial precision devices and the like, and micron-sized precise welding, high-reliability connection and the like are achieved.

The invention discloses a long-chain alkyl acrylate polymer dispersion liquid which is composed of a long-chain alkyl acrylate polymer, alcoholic hydroxyl-terminated long-chain alkyl silicone oil, a surfactant, a cosolvent and water. The long-chain alkyl acrylate polymer at least comprises a long-chain alkyl acrylate monomer unit and a monomer unit containing an active hydroxyl group; and the alcoholic hydroxyl-terminated long-chain alkyl silicone oil accounts for 15-40% of the total mass of the long-chain alkyl acrylate polymer and the alcoholic hydroxyl-terminated long-chain alkyl silicone oil. The fluorine-free fabric finishing agent dispersion liquid is good in stability and excellent in continuous processing performance when waterproof processing is carried out on fabrics, and the fabrics treated by the fluorine-free fabric finishing agent dispersion liquid are excellent in waterproof performance and good in washability.

The invention discloses a modified acrylate emulsion adhesive as well as a preparation method and application thereof, and belongs to the technical field of lithium ion batteries. The modified acrylate emulsion adhesive is prepared by adopting a semi-continuous emulsion polymerization method. The water-based adhesive is prepared from the following raw materials in parts by weight: 5-20 parts of water-based polyolefin, 50-200 parts of deionized water, 0.5-4 parts of an emulsifier, 20-50 parts of an acrylate monomer, 1-10 parts of an acrylic monomer, 0.2-1.5 parts of an initiator, 0-50 parts of styrene, 0.1-2 parts of a cross-linking agent and 0.5-15 parts of a neutralizer. The modified acrylate emulsion adhesive is obtained by taking the water-based polyolefin as a core structure of the emulsion and taking the acrylate polymer as a shell structure of the emulsion, and the adhesive has good compatibility with a polyolefin diaphragm and an electrolyte, so that the synergism of a lithium ion battery negative electrode, the electrolyte and the diaphragm is promoted; further, the electrochemical performance of the lithium ion battery is improved.

The invention discloses a modified waterproof coating. Comprising the following components in parts by weight: 60-110 parts of cement; 60 to 160 parts of an acrylate polymer emulsion; 20 to 50 parts of modified diatomite; 20 to 50 parts of silicon nitride; 20 to 30 parts of talcum powder; 5 to 15 parts of a defoaming agent; and 2-10 parts of a silane coupling agent. The waterproof coating can better adapt to deformation of a cement substrate through the modified diatomite, the adaptability of the waterproof coating to different base layers is improved, and the permeation resistance of alkaline substances generated by wall curing is increased. The modified waterproof coating permeates into gaps of a wall surface, when the modified waterproof coating meets alkaline substances on the wall surface, tetraethyl orthosilicate of the modified waterproof coating is rapidly hydrolyzed under the catalysis of alkali to generate nano-scale silicon dioxide particles,-OH groups on the surfaces of the nano-scale silicon dioxide particles react with active Si-H bonds in hydrogen silicone oil, and the modified waterproof coating is formed. Therefore, hydrophobic groups are connected with the surfaces of nano silicon dioxide particles, the protection wall is florified, and the structure of a paint substrate is broken.

The invention provides a high-temperature-resistant and high-humidity-resistant double-sided tape for bonding a PC (Polycarbonate) base material. The high-temperature-resistant and high-humidity-resistant double-sided tape has a four-layer structure, namely a first adhesive layer, a reinforced body layer, a second adhesive layer and a release protective layer in sequence. The two adhesive layers are acrylate pressure-sensitive adhesives and comprise an acrylate polymer solution, tackifying resin, a zeolite molecular sieve and a cross-linking agent. The key of the pressure-sensitive adhesive is an acrylate polymer solution formula, the rigidity of a molecular chain is enhanced by introducing methyl methacrylate and isobornyl methacrylate, and the high-temperature adhesive strength is ensured; meanwhile, the acid values of the hydroxyl / carboxyl-containing monomer and the tackifying resin are controlled to reduce hydrophilic groups and improve moisture resistance, and the zeolite molecular sieve is used for adsorbing gas released by the PC base material under high temperature and high humidity to prevent the gas from damaging a bonding interface. According to the scheme, the process is simple, the cost is controllable, and the problem that the bonding force of the PC base material is reduced due to gas release in a high-temperature and high-humidity environment is effectively solved.

The invention discloses an organic silicon modified polyurethane-acrylate composite emulsion and a preparation method of the organic silicon modified polyurethane-acrylate composite emulsion, and relates to the technical field of polymer composite emulsions. Comprising the following raw materials: 70 to 120 parts of oligomer polyol with an average molecular weight of 500 to 2000, 5 to 15 parts of a composite organosilicon component, 40 to 80 parts of diisocyanate, 0.05 to 0.2 part of a catalyst, 2 to 5 parts of a hydrophilic chain extender, 3 to 6 parts of a self-crosslinking hydrophilic chain extender, 4 to 12 parts of a neutralizer, 2 to 8 parts of a water-based chain extender and 50 to 150 parts of an acrylate monomer. 1-5 parts of an acrylate functional monomer, 1-3 parts of a cross-linking agent, 2-8 parts of an emulsifier and 0.5-3 parts of an initiator; the organic silicon modified polyurethane-acrylate composite emulsion prepared by the invention has a composite core-shell structure taking organic silicon modified polyurethane as a core and an acrylate polymer as a shell, so that the emulsion can form a more compact and more stable three-dimensional cross-linked network during film formation, and the weather resistance, water resistance, mechanical strength and surface glossiness of a coating film are remarkably improved.

The invention discloses a weather-resistant heat-insulation waterproof coating for an outer wall and a preparation method of the weather-resistant heat-insulation waterproof coating. The waterproof coating comprises the following components in parts by weight: 27-35 parts of modified acrylate polymer emulsion, 35-50 parts of composite filler, 5-10 parts of a curing system, 4-8 parts of a coalescing agent, 0.1-0.5 part of a defoaming agent, 0.3-0.8 part of a flatting agent, 0.2-0.6 part of a mildew preventive, 0.5-1.0 part of a thickening agent and 1-5 parts of a pH regulator, the modified acrylate polymer emulsion is prepared by carrying out pretreatment and silanization modification on cardanol and then carrying out monomer pre-emulsification and free radical polymerization. According to the waterproof coating provided by the invention, a Si-O-C network and a hindered amine free radical capture system are introduced, so that the weather resistance is improved; fluoride-nano silicon dioxide is used for constructing a roughness-low surface energy synergistic waterproof interface; acid-washed fly ash floating beads, silicon dioxide aerogel and expanded perlite filler are compounded to form multiple heat conduction scattering paths so as to realize cross-scale porous filler heat preservation; the waterproof coating can serve in complex environments with large temperature difference fluctuation, acid rain and the like.

The invention discloses an optical adhesive with high light transmittance and high peel strength and a preparation method thereof. According to the method adopted by the invention, an alicyclic structure is introduced into a prepolymer (polyurethane acrylate high polymer), so that the viscosity of the optical adhesive is reduced, the movement of free radicals of a photoinitiator is facilitated, and the curing rate of the optical adhesive is improved. According to the method adopted by the invention, the molecular weight and distribution of the prepolymer are controlled through RAFT polymerization, and block copolymerization of urethane acrylate and monomers containing benzene rings and allyl ester is formed, so that soft and hard segments in the prepolymer (urethane acrylate high polymer) are reasonably distributed, and the mechanical property of the optical adhesive is improved; and the block copolymerization degree of the prepolymer (polyurethane acrylate high polymer) is improved.

The invention discloses an acrylate polymer, a preparation method thereof, a UV viscosity-reducing glue and a UV viscosity-reducing film. The acrylate polymer comprises the following raw materials in parts by weight: 125-690 parts of acrylate main glue, 5-30 parts of a modified monomer and 0.02-0.1 part of a catalyst, the modified monomer contains a carbon-carbon double bond and an isocyanate group; the acrylate main adhesive is prepared from the following raw materials in parts by weight: 5 to 30 parts of polyurethane acrylate prepolymer, 20 to 90 parts of soft monomer, 1 to 50 parts of hard monomer, 0.3 to 15 parts of functional monomer, 0.2 to 1.5 parts of thermal initiator and 100 to 500 parts of organic solvent. The UV viscosity-reducing glue is made of an acrylate polymer, and the UV viscosity-reducing film is made of the UV viscosity-reducing glue. The UV viscosity-reducing film has high viscosity before UV irradiation, the viscosity is rapidly reduced after UV irradiation, accurate control over the viscosity before and after UV irradiation is achieved, and the method is suitable for the high-precision transfer process of Mini LED chips.

Mineral sunscreen compositions are described, having (a) a hydrophobic polymer formed as a reaction product of a natural or food-derived oil and a methacrylate or acrylate polymer; (b) one or more solvents capable of solubilizing the hydrophobic polymer; (c) one or more mineral UV filtering agents; (d) one or more surfactants; and (e) water; wherein the composition is an oil-in-water emulsion. Methods from making and using the mineral sunscreen compositions are also described.

The invention relates to the field of foam adhesive tapes, and particularly discloses a high-temperature-resistant acrylic foam adhesive tape and a production process thereof.The acrylic foam adhesive tape comprises an adhesive layer and a release paper layer, the adhesive layer is prepared by taking modified acrylate polymer as a base material and taking a foaming agent, a curing agent and a dispersing agent as auxiliary materials to be mixed in a solvent, and the release paper layer is prepared by taking the modified acrylate polymer as the base material and taking the foaming agent, the curing agent and the dispersing agent as the auxiliary materials; wherein the acrylate polymer is formed by crosslinking and curing a high-temperature-resistant monomer, a modified monomer, a hard monomer and a soft monomer under the action of an initiator, a phenyl sulfone structure and an imide ring in the high-temperature-resistant monomer can enhance the thermal stability of a main chain, meanwhile, thermal motion of a molecular chain is effectively inhibited, and the foam tape is endowed with excellent high-temperature resistance; a hydroxyapatite structure, a phosphate group and a silane bridging structure in the modified monomer can improve interfacial compatibility and enhance intermolecular cohesion at the same time, so that the foam tape is endowed with relatively high bonding strength and excellent tensile property.

A fire-retardant pressure sensitive adhesive, article including such adhesive, and uses thereof, wherein the adhesive includes: a (meth)acrylate polymer and a non-halogenated flame retardant. The (meth)acrylate polymer includes interpolymerized monomers comprising: (a) an acid-functional (meth)acrylate monomer; (b) a hydroxy-functional (meth)acrylate monomer; (c) a noncationic nitrogen-containing monomer; and (d) a (meth)acrylate ester of a linear or branched alcohol having 3 to 4 carbon atoms and / or a (meth)acrylate ester of a linear, branched, or cyclic alcohol having 5 to 20 carbon atoms.

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 invention relates to the technical field of UV composite adhesive processing, in particular to a UV composite adhesive and a preparation method thereof. The water-based adhesive is prepared from the following raw materials in parts by weight: 30-40 parts of an epoxy modified acrylate prepolymer, 15-25 parts of a polyurethane acrylate polymer, 10-20 parts of a multifunctional acrylate monomer, 4-6 parts of an organic silicon modified acrylate prepolymer, 2-4 parts of a photoinitiator and 1-2 parts of an adhesion promoter. The UV composite adhesive prepared according to the formula has good flexibility, bending resistance and durability and can bear large deformation without cracks in the use process of a flexible electronic device, and the reliability of the device in repeated folding and curling operation is remarkably improved.

A foaming cleansing composition includes 2.5% to 12.0% Benzoyl Peroxide, at least one acrylate polymer, Hyaluronic Acid, Niacinamide, a combination of anionic and amphoteric surfactants, expressly excluding alkyl polyglucosides, and water. The composition provides a unique textural feel as compared with existing benzoyl peroxide containing products, and in particular, is formulated as a light mousse-type architecture with viscosity which is retained on skin upon application and resists dripping, even in the shower. The composition is shelf stable and stable on application, demonstrating a viscosity of about 18-25 UD (Viscosity Rheomat M3 Spindle), and a pH about 5.5 to about 6.5.

The invention belongs to the field of material science and clinical medicine, and particularly relates to a succinic acid polymer and a preparation method and derivative thereof, adhesive hydrogel and a preparation method and application thereof. According to the specific technical scheme, the succinic acid polymer is provided, and the succinic acid acrylate polymer is prepared by modifying the succinic acid polymer through acryloyl chloride; further uniformly mixing a succinic acid acrylate polymer, acrylic acid, dimethylaminoethyl methacrylate and acrylic acid N-hydroxysuccinimide ester with a photoinitiator phenyl-2, 4, 6-trimethylbenzoyl lithium phosphite, and reacting under the irradiation of ultraviolet light to obtain the photoinitiator. The three-dimensional network structure hydrogel with strong wet adhesion, low swelling rate and high toughness is prepared through a photopolymerization reaction. The hydrogel has good biocompatibility, an in-vivo rabbit model proves that an orificium fistulae can be completely sealed through single use or combined suture, a safe and efficient novel biological material is provided for anastomotic fistula treatment, and the hydrogel has important clinical transformation potential.

The invention relates to the technical field of adhesives, in particular to an electric viscosity-reducing adhesive, an adhesive tape and a preparation method of the adhesive. Comprising the following steps: mixing and stirring an acrylate polymer, a curing agent, an auxiliary agent and a solvent to obtain electric viscosity-reducing glue; and coating the glue on the upper surface and the lower surface of an aluminum foil base material, baking at 110-150 DEG C for 3-5 minutes to obtain a conductive adhesive layer, and compounding two sides of an adhesive surface by using a release-treated film material to obtain the electric viscosity-reducing adhesive tape. The electric viscosity-reducing adhesive tape provided by the invention has both stripping performance and bonding strength, can keep the viscosity-reducing state of the adhesive tape for a long time, and meets the requirement of a small-batch disassembly process.

A pressure sensitive adhesive composition containing a multimer of modified cyclodextrin; a pressure sensitive adhesive obtained from the pressure sensitive adhesive composition; and a pressure sensitive adhesive sheet having a pressure sensitive adhesive layer formed of the pressure sensitive adhesive. The multimer of modified cyclodextrin is preferably a dimer. The pressure sensitive adhesive is preferably an acrylic-based pressure sensitive adhesive and, in particular, preferably contains a crosslinked product obtained by crosslinking a (meth)acrylic ester polymer using a crosslinker.

Disclosed herein is a photosensitive composition comprising a) at least one photoacid generator; b) at least one Novolak polymer; c) at least one acrylate polymer, comprising a component having structure (I); d) at least one glycidyl hydroxy benzoic acid condensate material comprising one or more compounds having structure (II); e) at least one heterocyclic thiol compound comprising a ring structure chosen from the general structures (III), (IIIa) or (IIIb); and f) at least one solvent. Disclose herein are also the methods of using this composition to form a resist pattern and the methods of using these resist patterns to produce metal lines. Disclosed herein are also compounds and mixtures of compounds having structure (II).

The present invention pertains to a binder for a secondary battery positive electrode, to a method of preparation of said electrode and to its use in a secondary battery. The invention also relates to the secondary batteries manufactured by incorporating said electrode.

The invention discloses a photonic crystal film capable of being cured at room temperature, the photonic crystal film is formed by curing core-shell nanoparticles at room temperature, and the core-shell nanoparticles are composed of polystyrene nanoparticles serving as a core layer and acrylate polymers serving as a shell layer. According to the photonic crystal film capable of being cured at room temperature, the preparation method and the preparation equipment thereof, the photonic crystal film has the characteristics of a photonic crystal periodic structure, compared with traditional colored paper, chemical dyes are not needed to dye the photonic crystal film in the preparation process, a dispersion medium of the emulsion is water, the photonic crystal film is environmentally friendly, traditional heating curing or ultraviolet curing is not needed, and the cost is low. System curing depends on shell layer melting in the solvent evaporation process to achieve the physical cross-linking effect, the hydrophilic property of an acrylate polymer in the system is utilized, the colored paper can be well attached to a substrate and is not prone to moving, and compared with traditional colored paper, the preparation method is simple, and cumbersome steps and large instruments are not needed.

This invention discloses a water-based composite anti-corrosion coating for concrete and its preparation method, relating to the field of coatings. The invention utilizes a semi-continuous seed emulsion method, employing methyl methacrylate, butyl acrylate, acrylic acid, and the organosilicon monomer γ-methacryloyloxypropyltrimethoxysilane (γ-MPS) to obtain a water-based organosilicon-modified acrylate emulsion as the film-forming substance. Then, hydrophobically modified nano-silica is composited as a dopant filler, and the water-based composite anti-corrosion coating for concrete is obtained through physical blending. The coating prepared by this invention uses a water-based emulsion as the film-forming substance, resulting in low organic matter emissions and strong environmental friendliness. Furthermore, the inclusion of hydrophobically modified nano-silica strengthens the coating structure, while the cross-linking structure between the organosilicon-modified acrylate polymers imparts a certain degree of toughness. This combination of rigidity and flexibility results in excellent mechanical properties, while the hydrophobic structure prevents water molecule penetration and corrosion, giving the coating superior anti-corrosion performance.

The present invention provides a toner containing colored resin particles of a binder resin and a colorant and an external additive, the binder resin containing a carboxyl group-containing acrylate resin, and the external additive containing carboxyl group-containing acrylate polymer modified metal particles, and a method for preparing the same. By using the specific external additive and the adhesive resin, the prepared toner can still keep stable triboelectrification performance in a high-humidity environment, so that the problems of uneven image concentration and increase of bottom ash are avoided. In addition, the toner has good residual accumulation resistance, residual accumulation on the toner cartridge is reduced, the printing quality is improved, stable printing is still achieved in the high-speed printing process, and good image quality is obtained.

The application discloses a waterproof coating for outer wall weather resistance, heat insulation and heat preservation and a preparation method thereof. The waterproof coating comprises the following components in parts by weight: modified acrylate polymer emulsion 27-35 parts, composite filler 35-50 parts, curing system 5-10 parts, film forming aid 4-8 parts, defoaming agent 0.1-0.5 parts, leveling agent 0.3-0.8 parts, mildew-proof agent 0.2-0.6 parts, thickening agent 0.5-1.0 parts and pH regulator 1-5 parts. The modified acrylate polymer emulsion is prepared by pretreating and silanization modifying cardanol, monomer pre-emulsification and free radical polymerization. The waterproof coating provided by the application introduces Si-O-C network and hindered amine free radical capture system to improve weather resistance; fluorine compound-nano silicon dioxide constructs roughness-low surface energy synergistic waterproof interface; acid washing fly ash floating beads, silica aerogel and expanded perlite filler are compounded to form multiple heat conduction scattering paths to realize cross-scale porous filler heat preservation; and the waterproof coating can serve in complex environments such as large temperature difference fluctuation and acid rain.

The invention discloses a water-repellent and oil-repellent fabric and a preparation method thereof, and belongs to the technical field of fabric finishing. The preparation method of the water-repellent and oil-repellent fabric comprises the following steps: taking fabric gray cloth, carrying out dipping pretreatment, washing with hot water, washing with warm water, washing with cold water, and airing; soaking the pre-treated gray fabric in the finishing liquid, soaking twice and rolling twice, pre-drying, baking, washing and drying to obtain the water-repellent and oil-repellent fabric, the finishing liquid comprises a finishing agent and a solvent, wherein the finishing agent is a short-chain fluorine-based acrylate polymer mainly prepared from double-side symmetric fluorine-based acrylate monomers, octadecyl acrylate, butyl acrylate, methyl methacrylate, acrylic acid-2-hydroxyethyl ester and 5-hydroxyl amyl acrylate as raw materials; the finishing aid comprises a mixed solution of starch grafted carbon nanotubes, tetrabutyl ammonium hydroxide, deionized water, glycerol, calcium chloride, a hydrochloric acid solution and epichlorohydrin; the surface of the fabric is treated by preparing the finishing liquid, so that the water-repellent and oil-repellent effects of the fabric are enhanced.

A urea-containing polyurethane acrylate resin is provided, which is prepared by: amide-forming the isocyanate groups in a polyurethane acrylate polymer with an amine compound to form urea groups, wherein the polyurethane acrylate polymer is prepared by reacting a hydroxyl-containing (meth)acrylate compound with a urethane prepolymer, the urethane prepolymer is prepared by reacting an isocyanate compound with a polyol compound, and the equivalent ratio of the isocyanate groups in the isocyanate compound to the hydroxyl groups in the polyol compound is 15:1 to 1:1. A urea-containing polyurethane acrylate resin, a composite material, and a method for preparing a composite material are also provided.