56results about How to "Good miscibility" patented technology

The organosilicon-polyurethane foam encapsulating material is composed of a component A and a component B. The component A comprises sucrose initial polyether polyol, sorbitol initial polyether polyol, a water-containing alcohol amine foaming agent, a catalyst and a halogen-free flame retardant, and the component B comprises an NCO-terminated polysiloxane-polyurethane prepolymer, silicone oil and a diluent. Wherein the water-containing alcohol amine foaming agent comprises isopropyl alcohol di-sec-butyl alcohol amine, a mixture of isopropyl alcohol sec-butyl alcohol amine and water. The two-component encapsulating material is used for encapsulating a new energy battery module.

The present invention relates to a cross-linking agent composition for an olefin copolymer, a sealing agent composition for an optical device, a sealing agent film for an optical device, and an optoelectronic device, in which a compound of formula 1 is applied as an assistant cross-linking agent to a cross-linking agent composition for an olefin copolymer containing an olefin copolymer or to a sealing agent composition for an optical device, thus, an encapsulant composition for optical devices and an encapsulant film for optical devices are formed, which exhibit excellent productivity, high volume resistance and high light transmittance.

The invention discloses a modification method of nano silicon dioxide and modified asphalt, and belongs to the technical field of asphalt modifiers or silicon compounds. Nano-particles are easy to settle in the modified asphalt due to different densities when the nano-materials are used for modifying the asphalt, so that the storage stability of the modified asphalt is poor, and after the nano-particles settle, the nano-particles are mutually gathered, so that the viscosity of the nano-modified asphalt is greatly increased, and the asphalt is fractured. The preparation method comprises the following steps: 1) stirring and mixing nano silicon dioxide and a thickening agent dispersion liquid, separating, washing and drying to obtain nano silicon dioxide coated with a thickening agent; wherein the thickening agent is a polyethylene glycol aqueous solution; and 2) adding the nano-silica coated with the thickening agent into the naphthenate solution, and carrying out constant temperature reaction, separation, washing and drying to obtain the modified nano-silica, the solvent in the naphthenate solution being a benzene solvent, so that the intersolubility of the nano-silica and asphalt is improved, network winding is formed, and the settling resistance of nano-silica particles is increased.

The invention discloses a device for simulating utilization of carbon dioxide-hydrocarbon mixed gas to improve shale oil huff and puff recovery efficiency, which comprises a main branch, and the main branch is provided with a first auxiliary branch, a second auxiliary branch, a third auxiliary branch and a fourth auxiliary branch. The main branch is provided with a first auxiliary branch, a second auxiliary branch, a third auxiliary branch and a fourth auxiliary branch which are all arranged in the constant-temperature box, the first auxiliary branch is used for simulating saturated simulation oil entering a rock core, the second auxiliary branch is used for simulating preparation of CO2-hydrocarbon mixed gas, the third auxiliary branch is used for simulating well opening production, and the fourth auxiliary branch is used for simulating oil gas entering the rock core. And the fourth auxiliary branch is used for simulating the confining pressure on the rock core. By means of the device, the compressibility of CO2 in the early stage of huff and puff can be improved, the miscibility of CO2 and simulated oil in the later stage of huff and puff can be enhanced, then the dissolved gas drive effect is fully played, the carrying capacity of CO2 on crude oil in a pore throat is improved, meanwhile, the competitive adsorption capacity of CO2 in organic matter can be improved by adding propane, and therefore the recovery efficiency is improved.

The invention relates to the field of ceramic tile adhesives, and particularly discloses a high-cohesiveness ceramic tile adhesive which is prepared from 130-140 parts of Portland cement, 130-140 parts of quartz sand, 50-60 parts of bentonite, 30-40 parts of multi-component copolymerized redispersible adhesive powder, 11-14 parts of a water repellent, 6-7 parts of cellulose ether and 3-4 parts of a polycarboxylate superplasticizer. The invention relates to a high-cohesiveness ceramic tile adhesive which is prepared from cellulose ether and multi-component copolymerized redispersible adhesive powder, the cohesiveness and the like of the ceramic tile adhesive can be effectively improved, and bentonite has good miscibility, so that raw materials in the ceramic tile adhesive can be uniformly distributed, and the performance stability of the ceramic tile adhesive is improved; the ceramic tile adhesive contains the cellulose ether and the water repellent, and the cellulose ether and the water repellent can effectively permeate into cement mortar and are combined with cement mortar molecules and a ceramic tile back bottom through Van der Waals' force, hydrogen bonds or chemical bonds, so that the adhesive force of the ceramic tile adhesive is enhanced, and the ceramic tile adhesive has a good adhesive effect.

The invention belongs to the technical field of organic synthesis, and provides a preparation method of diphenyl disulfide, which comprises the following steps: A, in a dry atmosphere filled with inert gas, mixing halogenated benzene and magnesium powder, reacting to generate a Grignard reagent, and cooling to 0-15 DEG C; and B, dissolving disulfur dichloride in a solvent, dropwise adding the solution into the Grignard reagent obtained in the step A, carrying out a stirring reaction at 0-15 DEG C, carrying out a quenching reaction by using a saturated ammonium chloride aqueous solution, and carrying out extraction, drying and concentration on an organic phase to obtain diphenyl disulfide. The method adopts a one-pot method for direct synthesis, and is green and environment-friendly, and high in yield and purity.

The invention relates to a high-quality steel anticorrosive paint and a preparation method thereof, and belongs to the technical field of anticorrosive paints.The anticorrosive paint comprises a component A and a component B. The component A comprises, by weight, 40-50 parts of epoxy resin, 10-15 parts of epoxy propane phenyl ether, 6-9 parts of aluminum triphosphate, 4-6 parts of mica iron oxide, 2-3 parts of potassium phytate and 20-30 parts of calcium silicate. 2-3 parts of an auxiliary agent; and the component B comprises the following components in parts by weight: 100 parts of a polyamide curing agent. The anti-corrosion coating is a two-component normal-temperature curing system, epoxy resin is adopted as a film-forming agent, and a layer of compact cross-linked network structure can be formed during curing, so that a good shielding effect is achieved, and the anti-corrosion coating is environmentally friendly, high in adhesive force, good in medium resistance and excellent in anti-corrosion performance.

The invention discloses high-dosage rubber powder modified asphalt and a preparation method thereof, and the rubber powder modified asphalt is prepared by adding 22-30 parts by weight of modified rubber powder into 100 parts by weight of road petroleum asphalt, the modified rubber powder is prepared from the following components in parts by weight: 85 to 95 parts of common rubber powder, 3 to 6 parts of phenolic resin, 0.6 to 1.2 parts of microcrystalline wax, 2 to 5 parts of naphthenic oil, 0.2 to 0.6 part of antioxidant and 0.2 to 0.6 part of EVA (Ethylene Vinyl Acetate). The preparation method comprises the following steps: (1) preparing the modified rubber powder; and (2) preparing the modified asphalt cement. According to the invention, co-melting and blending of the rubber powder and the asphalt are improved, the mixing amount of the rubber powder in the rubber asphalt can be obviously increased, the pavement and durability are greatly improved, the production cost and environmental pollution of the asphalt mixture are effectively reduced, and the asphalt mixture has economic and social double benefits, is simple in preparation process and has relatively high practical application value.

This invention relates to a modified asphalt and its preparation method, comprising: (1) mixing styrene tar with a pretreatment solvent, allowing it to stand and separate into upper and lower liquid layers; (2) removing the pretreatment solvent from the upper and lower liquid layers respectively to obtain liquid phase Y1 and liquid phase Y2; (3) mixing waste rubber powder with liquid phase Y1 and reacting them, followed by solid-liquid separation to obtain solid phase G1, while simultaneously recovering the separated liquid phase Y3; (4) mixing solid phase G1 with liquid phase Y2 to obtain mixture G2; and (5) adding mixture G2 to the base asphalt to obtain modified asphalt. This invention pretreatment of hazardous waste styrene tar before its use as an additive improves the mixing effect of waste rubber powder and base asphalt, ensures product quality, realizes the resource utilization of styrene tar, and reduces production costs.

The invention discloses a tunnel composite lining drainage system, and relates to the technical field of tunnel engineering, a waterproof and drainage layer is arranged between a primary support and a secondary lining, a first side ditch and a second side ditch are respectively arranged on two sides of the bottom of a tunnel, the second side ditch is communicated with a central drainage ditch through a transverse drainage pipe, and the inner layer of the waterproof and drainage layer is a woodworking cloth layer. Drainage plates are evenly laid below the woodworking cloth layer, waterproof plates are connected between the drainage plates in a lap joint mode, annular blind pipes are arranged in the middles of the drainage plates, longitudinal blind pipes are embedded into the bottoms of the drainage plates and the bottoms of the annular blind pipes, and the longitudinal blind pipes are communicated with the first side ditch; the secondary lining construction joint is provided with a middle-buried type water stop belt, and the positions, on the two sides of the middle-buried type water stop belt, of the construction joint are filled with water stop sealing materials. And the construction joints are filled with high-elasticity water stop sealing materials, the sealing performance is high, the failure probability of the water stop belt can be reduced, and the waterproof and drainage effects are improved.

The application discloses an antistatic agent, a pressure-sensitive adhesive and application thereof, and belongs to the technical field of protective films. The antistatic agent is prepared by copolymerization of the following monomers in parts by weight: 15-25 parts of a quaternary ammonium salt monomer, 20-30 parts of a first acrylate soft monomer, 3-8 parts of a first acrylate hard monomer and 1-5 parts of a hydroxyl-containing monomer. The antistatic agent is a quaternary ammonium salt acrylate copolymer prepared by copolymerization of the quaternary ammonium salt monomer, the acrylate soft monomer, the acrylate hard monomer and the hydroxyl-containing monomer. The copolymer has both a quaternary ammonium salt conductive group and an acrylate group. The acrylate group can deeply participate in photopolymerization, so that the quaternary ammonium salt group with a conductive function is firmly anchored on the adhesive copolymer molecular chain through a covalent bond, thereby effectively solving the migration and precipitation problems of the antistatic component and realizing long-acting antistatic performance.

The present application relates to the field of organic solar cells, and provides a kind of full asymmetric small molecule donor SMD-Asy and its preparation method and application.The SMD-Asy is connected by Stille coupling from asymmetrically substituted conjugated BDTT core and acceptor unit, and the side chain and main chain structure are all asymmetrically distributed.The preparation of the small molecule donor includes: constructing thiophene and benzo dithiophene diketone BDTT intermediate, introducing long-chain alkoxy side chain under phase transfer catalysis condition, obtaining tin precursor by low-temperature lithiation, and then coupling with halogenated acceptor unit to obtain target molecule.Due to the simultaneous asymmetric design of main chain-side chain, SMD-Asy can regulate the phase separation scale and chain conformation of blended film as the third component in PM6:Y6 system, thereby improving the hole / electron transport balance and mechanical ductility, so that the device can ensure high photovoltaic performance while improving the cracking strain rate.The small molecule donor of the present application is suitable for flexible and stretchable organic solar devices.

The invention discloses a CO2 gas-soluble silicon nanofluid and a preparation method thereof, and relates to the technical field of additives for oil-gas field development. The method comprises the following steps: taking nano silicon dioxide, and grafting a silane coupling agent to obtain modified nano silicon dioxide, wherein the silane coupling agent comprises a group capable of being subjected to Michael addition reaction with an amino group; the preparation method comprises the following steps: taking methylsiloxane, fluorosiloxane, amino siloxane and an end-capping reagent, and polymerizing under the action of a catalyst to obtain polyfunctional group polysiloxane; taking the modified nano silicon dioxide and polyfunctional group polysiloxane, uniformly mixing, and then heating to carry out Michael addition reaction, thereby obtaining the modified nano silicon dioxide / polyfunctional group polysiloxane composite material after the reaction is finished. According to the gas-soluble silicon nanofluid disclosed by the invention, a network structure which takes the modified nanosilicon dioxide as a crosslinking point and takes the polysiloxane as a chain type is microcosmically formed; macroscopically, the tackifying effect on supercritical carbon dioxide is obvious, and the dissolving pressure is low; the interfacial tension of the crude oil and CO2 is obviously reduced, and the miscible phase pressure between the CO2 and the crude oil is reduced.

The invention discloses a corrosion-resistant rubber and a preparation method thereof, which relates to the field of rubber, and comprises the following raw materials by weight: 20-60 parts of fluorosilicone rubber; 30-60 parts of modified nitrile rubber; 10-40 parts of EPDM rubber; 10-20 parts of filler; 2-8 parts of accelerator; 5-10 parts of silane coupling agent; 1-5 parts of sulfur; the modified nitrile rubber comprises the following raw materials modified and prepared: nitrile rubber, perfluoropolyether methyl ester, butadiene-styrene copolymer, n-butyl lithium, cyclopentane and zinc stearate. The present application has the effect of improving the corrosion resistance of rubber.

The invention provides an active layer of an organic solar cell, an organic solar cell device, a preparation method and an application. The organic solar cell active layer comprises a donor material, an acceptor material and a solid additive, and the solid additive is DTDF. By adding the DTDF in the active layer, the blended film morphology of the active layer can be effectively regulated and controlled, the accumulation of donor and acceptor molecules is promoted, the crystallinity is enhanced, the formation of a relatively good phase separation size is promoted, an efficient carrier transport channel is established, the separation and collection efficiency of carriers is improved, and the photoelectric conversion efficiency of an organic solar cell device is further improved.

The present application relates to the technical field of epoxy resin adhesive, in particular to a long applicable period dual-curing interpenetrating network type one-component epoxy resin adhesive, a preparation method and application, the adhesive is composed of 100 parts of E-51 epoxy resin, 15-35 parts of modified imidazole curing agent, 10-40 parts of active diluent, 0.2-2.0 parts of free radical polymerization initiator by weight fraction; The modified imidazole curing agent has the functions of latency and toughening. The one-component epoxy adhesive of the present application has a long room temperature storage period, which can reach 570-632 hours; only heating is needed to simultaneously realize free radical polymerization curing and thermal curing, forming an interpenetrating network type resin material with high strength and high toughness; there is no strict requirement for raw materials and packaging substrates, overcoming many defects existing in traditional dual-curing epoxy adhesives.

The invention relates to a polyurethane microbubble elastomer for shoe materials and a preparation method thereof. The polyurethane microbubble elastomer is formed by pouring a component A and a component B, the component A comprises polytetrahydrofuran ether glycol, polybutylene adipate glycol, a catalyst, a foam stabilizer, a water-containing alcohol amine foaming agent, a butanediol chain extender and a silane modified aluminum oxide nanosheet; the component B comprises an NCO-terminated polyurethane prepolymer, the NCO-terminated polyurethane prepolymer is formed by the reaction of an organic polyisocyanate monomer and polycarbonate diol, and the water-containing alcohol amine foaming agent comprises ethanol sec-butyl alcohol amine and ethanol di-sec-butyl alcohol amine. The microbubble elastomer has an average cell size of 110-150 [mu] m and suitable resilience and strength.

The invention relates to the technical field of water-based coatings, in particular to an epoxy primer-topcoat coating for the surface of an engine and a preparation method of the epoxy primer-topcoat coating, and the epoxy primer-topcoat coating comprises a component A and a component B in a weight ratio of 1: 1, the component A comprises the following raw materials in percentage by weight: 10.0% of a water-based amine curing agent; 36.0% of pure water; 2.0% of a dispersant; 0.5% of a defoaming agent; 15.0% of a pigment; 28.0% of a filler; 5.0% of an organic solvent; 2.0% of an anti-flash rust agent; 1.0% of a wetting agent; 0.5% of a thickening agent; the component B is prepared from the following raw materials: 65.0 to 75.0 percent of epoxy dispersion 1; 10.0 to 20.0% of an epoxy dispersion 2; and 15.0% of water-based acrylic resin. Compared with the prior art, the adhesive force of the coating on a base material is remarkably improved by selecting the epoxy resin of a specific type and adjusting the proportion of different epoxy resins, and meanwhile, the proper water-based acrylic resin is added, so that the miscibility with an epoxy dispersion is improved, and the adhesive force of the coating on the base material is improved. And the aging resistance of the coating film and the adhesive force of the base material are further enhanced.

The invention provides a preparation method of photosensitive nanoparticles, a photoresist solution and a two-photon pattern. A metal oxygen cluster with a metal core and an organic shell containing a carboxylic acid group is subjected to an acid ligand exchange reaction, so that an acid ligand with a photo-initiation effect is introduced into the metal oxygen cluster, the photosensitive nano-particles are obtained, the particle size is small, the photosensitive nano-particles have photosensitivity, the miscibility with a photoresist matrix is good, and the extremely small particle size can still be kept after mixing; therefore, the two-photon photoresist can be used as a filler to form a photoresist solution to obtain a high-quality two-photon pattern.

The invention discloses a high-glossiness water-based bi-component polyurethane automobile finish paint and a preparation method thereof, and belongs to the field of automobile paints. According to the finish paint, a hydroxyl acrylate aqueous dispersion, a water-based hydroxyl polyurethane dispersion A and a water-based hydroxyl polyurethane dispersion B are matched to serve as matrix resin, the hydroxyl content of the hydroxyl acrylate aqueous dispersion is 4.2-5.0%, the hydroxyl content of the water-based hydroxyl polyurethane dispersion A is 2.0-3.2%, the hydroxyl content of the water-based hydroxyl polyurethane dispersion B is 5.0-7.0%, the hydroxyl content of the water-based hydroxyl polyurethane dispersion B is 5.0-7.0%, the hydroxyl content of the water-based hydroxyl polyurethane dispersion A is 5.0-5.0%, and the hydroxyl content of the water-based hydroxyl polyurethane dispersion B is 5.0-5.0%. According to the present invention, the epoxy resin has good compatibility, and the paint film obtained by curing the epoxy resin to form the cross-linked interpenetrating network structure has characteristics of high glossiness, high adhesion, high appearance and high mechanical property so as to meet the requirements of the automobile finish on the performance.

This invention relates to the field of conductive pastes, specifically a low-temperature conductive paste suitable for 3D printing, its preparation method, and its applications. The low-temperature conductive paste comprises silver nanoparticles, a diluent, and a binder; wherein the surface of the silver nanoparticles is coated with ligands; the diluent is an organic alcohol; and the binder is an alcohol-soluble resin. This invention aims to overcome the problems of easy agglomeration of silver nanoparticles and poor dispersibility during long-term storage in existing conductive pastes, leading to easy clogging of the 3D printing nozzle, poor conductivity after sintering, and poor adhesion. The low-temperature conductive paste prepared by this invention not only has good dispersibility and stability but also exhibits good density and conductivity after sintering, enabling high-precision direct-write 3D printing of 10 μm and below.

The invention provides an organic acid silver acylthiourea complex as well as a preparation method and application thereof, and belongs to the technical field of organic high-molecular compounds. The chemical formula of the organic acid silver acylthiourea complex is R2COOAg [NH2SNHNHCOR1] n, in the chemical formula, R1 is a normal or isomeric alkyl group of C5-C17, and R2 is an alkyl group of C5-C17. R2 is alkyl of C6-C18, or unsaturated aliphatic alkyl, or benzoic acid substituted by long-chain alkyl; and n is 1 or 2. The organic acid silver acylthiourea complex provided by the invention has a good miscible effect in oil paint and a remarkable antibacterial effect.

The invention belongs to the technical field of polyether polyol and preparation thereof, and particularly relates to nicotinic acid modified pyridoxamine polyether polyol and a preparation method thereof. The preparation method of the nicotinic acid modified pyridoxamine polyether polyol comprises the following steps: carrying out reaction on pyridoxamine and a phosphoric acid aqueous solution to convert pyridoxamine phosphate, carrying out esterification reaction on nicotinic acid and pyridoxamine phosphate under the action of a catalyst sulfuric acid, and dehydrating to obtain nicotinic acid pyridoxamine ester; then, by taking pyridoxamine nicotinate and liquid small-molecular alcohol as initiators, under the action of a basic catalyst, carrying out polymerization reaction on pyridoxamine nicotinate and liquid small-molecular alcohol and alkylene oxide, and carrying out post-treatment, so as to obtain the nicotinic acid modified pyridoxamine phosphate polyether polyol. According to the preparation method of the nicotinic acid modified pyridoxamine polyether polyol, the raw materials are simple and environment-friendly, and melamine does not need to be introduced; the nicotinic acid modified pyridoxamine polyether polyol prepared by adopting the preparation method disclosed by the invention is excellent in flame retardant property, high in compression strength and good in pentane solubility.

The invention relates to low-temperature fired white Yellow River sediment microcrystalline glass and a preparation method thereof. The low-temperature fired white Yellow River sediment microcrystalline glass comprises the following raw materials: 50-65% of Yellow River sediment, 15-25% of CaCO3, 5-10% of dolomite, 3-10% of silica sand, 1-5% of Na2SiF6, 1-5% of K2CO3, 1-5% of chromite and 1-5% of TiO2. B2O3-CuO accounting for 1%-4% of the total weight of the raw materials is added. The preparation method comprises the following steps: (1) melting raw materials to obtain basic molten glass; (2) molding the molten glass to obtain a glass plate; and (3) coring and crystallizing the glass plate, and then carrying out post-treatment. The microcrystalline glass is prepared by firing the Yellow River silt at low temperature, a new way is provided for high-value utilization of Yellow River silt resources, and the product is high in quality and low in cost and has a wide application prospect.

The invention discloses an aggressive agent for observing chromium carbides in stainless steel as well as a preparation method and application of the aggressive agent. The aggressive agent comprises the following components in parts by weight: 15-20 parts of water, 5.9-11.8 parts of hydrochloric acid, 3.9-7.9 parts of ethanol and 3-5 parts of ferric trichloride. The erosion agent special for observing the chromium carbide is prepared by optimizing the ratio of hydrochloric acid to water and adding a proper amount of ethyl alcohol, and the eroded chromium carbide is in a bright white ball shape, a water drop shape or a granular shape with a clear boundary and is embedded at a crystal boundary or in a crystal grain; the form of the precipitated chromium carbide in the stainless steel can be clearly observed, and the component content of the stainless steel can be analyzed.

The invention discloses a shower gel containing plant tissue and a preparation method thereof, wherein a shower gel containing plant tissue, including the following components: water, a surfactant, a thickener, disodium EDTA, a pH regulator, a wrapper, wherein the wrapper includes plant tissue and a wrapper, and the wrapper is at least a composite of 7-dehydrocholesterol, deep-sea camellia oil, pentaerythritol tetraisostearate, and polydextrose. Wherein, a preparation method of a shower gel containing plant tissue is to mix each component to obtain a shower gel containing plant tissue. The present application has the effect of reducing the color bleeding of plant tissue in shower gel, and also has the effect of further improving the skin care and use experience of shower gel.

The invention relates to the technical field of medical fiber spinning auxiliaries, in particular to spinning oil and application thereof.The spinning oil is prepared from 74.5 wt%-93.9 wt% of purified water, 5 wt%-20 wt% of polyethylene glycol, 1 wt%-5 wt% of polyvinyl alcohol and 0.1 wt%-0.5 wt% of polyvinylpyrrolidone, and the conductivity of the spinning oil is 4.0 * 10 <-4 > S / cm to 6.0 * 10 <-4 > S / cm; the spinning oil provided by the invention has both fiber spinnability and good biocompatibility, is high in safety when being used as an implant-grade medical material, and is especially suitable for preparing implant-grade medical fibers.

The invention belongs to the technical field of chemical synthesis, and specifically relates to a method for preparing a special initiator polyether polyol, wherein a special initiator is polymerized with an alkylene oxide under the action of a composite catalyst to obtain a special initiator polyether polyol; wherein the special initiator is a mixture of a conventional initiator, a small molecule polyol and an epoxy fatty acid methyl ester; wherein the conventional initiator is one or more of sucrose, sorbitol, olamine, diethylene glycol, glycerol, propylene glycol and water; and the small molecule polyol is a polyol with a saturated alkane or cycloalkane structure, which is one or more of pentaerythritol, neopentyl glycol, 1,4-cyclohexanedimethanol and tricyclodecane dimethanol. The invention obtains a polyether polyol with high hydroxyl value, low viscosity and good miscibility with pentane.

The invention discloses a preparation method of high-performance composite hydrogel and application of the high-performance composite hydrogel in gesture recognition, and the preparation method comprises the following steps: S1, adding divinylbenzene into octavinyl-POSS (Polyhedral Oligomeric Silsesquioxane) according to a certain proportion, stirring to obtain a layered solution, and taking a uniformly dispersed upper-layer solution as a cross-linking agent; and S2, dissolving an acrylamide monomer and lithium chloride in deionized water according to a certain proportion, then adding an initiator and a surfactant, uniformly stirring, then adding the cross-linking agent obtained in S1, fully stirring for two hours, standing for four hours, taking a lower-layer solution, and carrying out thermal polymerization reaction to obtain the hydrogel. According to the preparation method of the high-performance composite hydrogel and the application of the high-performance composite hydrogel in gesture recognition, the high-performance composite hydrogel has high stretchability, high toughness, high conductivity and freezing resistance and moisture retention, and the requirements of actual work for hydrogel mechanical and electrical properties and environmental stability are met.

The invention discloses polyesterimide resin as well as a preparation method and application thereof. The polyesterimide resin is prepared from the following raw materials: iminodiacetic acid dialkyl ester, unsaturated binary acid, saturated binary anhydride, amino-containing aromatic binary acid and a monohydric alcohol end-capping reagent, the polyesterimide resin disclosed by the invention can obtain high-content and uniformly-distributed imino groups in a main chain, provides more uniform cross-linking sites, is beneficial to mixing and dissolving with organic resins such as epoxy, alcohol acid and vinyl, and can also form more chemical bonds among molecular chains of the polyesterimide resin, so that the overall performance of the material is improved, and the service life of the polyesterimide resin is prolonged. Meanwhile, the polyesterimide resin disclosed by the invention has the advantage of controllable molecular chain length, and the flowability and permeability are improved; practice shows that the polyesterimide resin disclosed by the invention has relatively excellent mechanical property, electrical property, heat resistance and degradation resistance.