48 results about "Propene oxide" patented technology

The invention relates to the field of hygienic products, in particular to a sanitary napkin with Dupont paper as a bottom film and a preparation method of the sanitary napkin. The invention discloses a flexibility enhancer solution for improving the flexibility of Dupont paper, the solution is composed of 10-15 wt% of thermoplastic polyurethane, 5-8 wt% of polyoxypropylene glycol and the balance of absolute ethyl alcohol, and the flexibility of the Dupont paper is remarkably improved after the Dupont paper is soaked and subjected to plasma surface treatment. Meanwhile, adaptive gum is developed, and the gum is firmly bonded with the improved Dupont paper. When the sanitary napkin is prepared, the back glue is coated on the treated Dupont paper bottom film, and then the Dupont paper bottom film is compounded with the absorption core. By optimizing the formula and the process, the prepared Dupont paper sanitary towel has excellent flexibility, high back adhesive peel strength, good air permeability and waterproofness and excellent folding resistance, the key technical problem of application of Dupont paper in sanitary towels is solved, superior new products are brought to the female hygienic product market, and the market application prospect is wide.

Provided is a method for producing a polyoxypropylene polymer with which it is possible to achieve a high average molecular weight in a short polymerization time. This method is a method for producing a polyoxypropylene polymer having a number average molecular weight of 30,000-70,000 (inclusive). The polymerization is carried out by additionally oxidizing propylene over time in a reaction system comprising a hydroxyl group-containing initiator and a composite metal cyanide complex catalyst. The polymerization temperature is set to 120-160 DEG C, the moisture content in the propylene oxide is 200 ppm or less, and the ratio (X / Y) of the designed molecular weight (X) to the time (Y) (minute) required to add the propylene oxide is 95-130.

Polyurethane foam is made from a foam formulation that includes a random copolymer of propylene oxide and ethylene oxide having an oxyethylene content of 40 to 75% by weight, a random and / or block copolymer of propylene oxide and ethylene oxide having an oxyethylene content of 5 to 15% by weight, a silicone surfactant having poly(alkylene oxide) side-chains terminated in a hydrocarbyl or -C(O)R4 group where R4 is hydrocarbyl, and an organic polyisocyanate comprising at least 70% by weight of toluene diisocyanate and / or an isocyanate-terminated toluene diisocyanate prepolymer. The foam is characterized by low resilience, low compression sets and good airflows.

The application provides a two-component polyurethane pouring sealant and a preparation method and application thereof. The two-component pouring sealant comprises an A component and a B component. The A component comprises propylene oxide modified lignin polyol and erythritol modified polyether polyol. The B component comprises cashew phenol based polyurethane prepolymer. The propylene oxide modified lignin polyol, the erythritol modified polyether polyol and the cashew phenol based polyurethane prepolymer have a synergistic effect, which can significantly improve the shear strength of the pouring sealant at high temperature, and the pouring sealant has good low-temperature bonding performance, aging resistance and impact resistance. Specifically, the shear strength at 60 DEG C is greater than 13 MPa, the shear strength remains above 12.5 MPa after aging in a double 85 environment, the attenuation rate is less than 7% compared with the shear strength at room temperature, the shear strength can remain above 13 MPa after high-low temperature impact test, the attenuation rate is less than 3%, and the pouring sealant meets the pouring requirements of power batteries in the field of new energy batteries.

The invention discloses a sandal insole, a preparation method thereof and a sandal, and relates to the field of shoe materials. The sandal insole comprises a PU insole base material, and the PU insole base material is formed by reacting a material A and a material B; the material A comprises bifunctional polytetrahydrofuran ether, micromolecular straight-chain diol, branched-chain diol, a chemical foaming agent, a catalyst and polyether silicone oil; the branched chain diol is selected from at least one of 2-butyl-2-ethyl-1, 3-propylene glycol and 2, 2, 4-trimethyl-1, 3-pentanediol, and the branched chain diol is selected from at least one of 2-butyl-2-ethyl-1, 3-propylene glycol and 2, 2, 4-trimethyl-1, 3-pentanediol; the material B comprises an isocyanate component A and an isocyanate component B, the isocyanate component A is obtained by reaction of diphenylmethane diisocyanate, polypropylene oxide glycol, polypropylene oxide triol and carbodiimide modified diphenylmethane diisocyanate according to a specific ratio, and the isocyanate component B is isophorone diisocyanate. The sandal insole has the advantages of excellent seawater resistance, low compression set rate, good mechanical properties and long service life.

A composition comprising water and a polyalkylene glycol having an allyl content of less than 20 μeq / g, which composition has reduced foaming properties and preferably a biodegradability of at least 60% as determined using OECD 301F. The polyalkylene glycol can be made by forming a first intermediate comprising an oxypropylene block by reacting propylene oxide with a polyol initiator in the presence of a Double Metal Cyanide catalyst, and then reacting the first intermediate with ethylene oxide in the presence of a KOH catalyst.

This invention relates to the field of chemical additives technology, specifically a method for preparing a low-concentration silicone emulsion defoamer for use in alkaline degreasing agent foam treatment. Its raw material components include polyether-modified siloxane, silicone polyether emulsion, dimethyl silicone grease, low-hydrogen silicone oil, allyl polyoxyethylene polyoxypropylene ether, trihydroxy polyoxypropylene ether, methacrylate, and chloroplatinic acid catalyst. The low-hydrogen silicone oil reacts with the emulsifier AEO-3, allyl polyoxyethylene polyoxypropylene ether, and methacrylate under the action of a catalyst to generate polyether co-modified silicone oil. Next, dodecyl dimethyl tertiary amine, trihydroxy polyoxypropylene ether, and MTES react under the action of a catalyst to generate polyether-modified silane. The silicone oil-silane coupling solution is mixed with the remaining components and stirred, and then an acrylic-type alkali-swelling thickener is added to obtain the final low-concentration silicone emulsion defoamer. This defoamer exhibits excellent defoaming performance and stability, and is suitable for foam treatment with alkaline degreasing agents.

The invention relates to the technical field of high-molecular adhesives, and discloses a polyurethane adhesive which comprises the following components in parts by mass: 1-5 parts of a curing agent, 1-5 parts of a curing agent and 1-5 parts of a curing agent. The high-activity polypropylene oxide-ethylene oxide copolymerized polyol is prepared from the following components in parts by weight: 85 to 125 parts of high-activity polypropylene oxide-ethylene oxide copolymerized polyol, 28 to 40 parts of an isocyanate mixture, 6 to 12 parts of a composite chain extender, 0.3 to 0.8 part of an environment-friendly catalyst, 15 to 25 parts of a phosphorus-nitrogen synergistic flame retardant, 0.8 to 1.5 parts of an anti-aging aid and 1.2 to 2.0 parts of a silane coupling agent. The polyurethane adhesive and the preparation method thereof have the advantages of being high in wide-temperature-range bonding stability, high in damp-heat aging resistance, environment-friendly, flame-retardant, good in base material bonding universality, stable in preparation process and the like; the problems that an existing polyurethane adhesive is poor in wide temperature range performance, poor in damp-heat aging resistance, difficult to give consideration to both environmental protection and flame retardance, insufficient in base material universality and poor in preparation process stability are solved.

The present application belongs to the technical field of reactive flame-retardant polyether polyols for polyurethane, and relates to a hydrolysis-resistant flame-retardant polyether polyol and a preparation method thereof. The polyether polyol is formed by compounding trihydroxy polyoxypropylene ether and a phosphorus-containing reactive polyether polyol. The phosphorus-containing reactive polyether polyol is prepared by reacting 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, diethanolamine and paraformaldehyde, and then reacting with propylene oxide. The obtained product has a high hydroxyl value, moderate viscosity, low acid value, low moisture content, and low total content of sodium and potassium. After being immersed in water, the hydroxyl value retention rate is high, the relative increase in viscosity is small, and the increase in acid value is controlled. The product can solve the problem that the existing phosphorus-containing reactive polyether polyol flame-retardant is difficult to balance the flame-retardant improvement, flowability, reactivity and hydrolysis-resistant stability, and can be used for preparing polyurethane materials that require flame retardancy and hydrolysis-resistant stability.

To provide, in one aspect, a detergent composition for flux residue removal with an excellent flux residue removal property, while suppressing metal corrosion and damage to organic films.SOLUTION: The present disclosure, in one embodiment, relates to a detergent composition for flux residue removal comprising a compound (component A) represented by the following formula (I), a benzotriazole derivative (component B), and an imidazole derivative or a pyrazole derivative (component C). R1-O-(AO)n-R2 (I) In the formula (I), R1 is a phenyl group or an alkyl group having 1 or more and 8 or less carbon atoms, R2 is a hydrogen atom or an alkyl group having 1 or more and 4 or less carbon atoms, and AO is an ethylene oxide group (EO) or a propylene oxide group (PO), and n is an additional mole number of AO and is an integer of 1 or more and 3 or less.SELECTED DRAWING: None

The application discloses a bismaleimide-polyether amine photosensitive resin composition and application thereof in 3D printing. The bismaleimide-polyether amine photosensitive resin composition is composed of 5-50% bismaleimide-polyether amine resin, 5-50% polyurethane acrylic resin, 0-30% polyethylene glycol dimethacrylate resin, 0-30% alkoxylated acrylate, 0-25% diluent, 0.1-10% photoinitiator, 0.1-5% defoamer, 0-5% leveling agent and 0-5% antioxidant. The photosensitive resin composition is simple to prepare and low in cost, can be used in 405nm light curing 3D printing technology, introduces polyether amine segments into bismaleimide segments while ensuring good rheological viscosity performance, the photosensitive resin composition has good low-temperature resistance, and greatly expands the application range of liquid crystal photosensitive resin 3D printing products.

The invention relates to 1) a process for the production of polyetheramidamine phosphonic acids or polyetheramidamine phosphonate salts or their aqueous solutions, wherein the process comprises the following steps: a) reaction of at least one salicylic acid ester as a starting compound for an alkoxylation reaction in the presence of at least one double metal cyanide (DMC) catalyst with at least one epoxide to give at least one polyether; b) reaction of the at least one polyether from step a) with at least one polyamine bearing at least two amino groups selected from the group consisting of primary and secondary amino groups to give at least one polyetheramidamine; c) reaction of the at least one polyetheramidamine from step b) with at least one aldehyde and phosphonic acid to give at least one polyetheramidamine phosphonic acid; and optionally d) dissolving the at least one polyetheramidamine phosphonic acid from step c) in water;and optionally e) complete or partial neutralization of the at least one polyetheramidamine phosphonic acid from step c) or its aqueous solution from step d) with at least one base to give at least one polyetheramidamine phosphonate salt or its aqueous solution; characterized in that (i) the at least one salicylic acid ester is selected from compounds of formula (1) wherein R is a hydrocarbon residue with at least three carbon atoms; and (ii) at least propylene oxide is used as the epoxide, and the at least one salicylic acid ester is first reacted with propylene oxide before an optional reaction with further epoxides; 2) products that can be prepared according to this process; 3) the use of these products as dispersing agents; 4) and hydraulically setting compositions containing these products.

The invention provides a high-workability concrete super plasticizer as well as a preparation method and application thereof. The super plasticizer is a solid and is prepared by performing free radical polymerization on an unsaturated monomer a containing phenyl and a hydrophobic chain, an unsaturated monomer b containing a rigid ring and carboxyl and an unsaturated phosphonic acid monomer c under the action of microwaves. According to the high-workability concrete super plasticizer, carboxyl and a phosphate group are introduced at the same time, the dispersing capacity of a polymer can be improved, the hydrophobicity of the polymer can be improved by introducing an oxypropenyl group, then a proper amount of tiny bubbles are introduced in coagulation, friction resistance among particles is reduced, and the flowability and workability of a mixture are improved. A hydrophobic rigid group is introduced into the polymer, so that the molecular conformation is more stretched, the thickness of a water film layer on the particle surface is increased, the viscosity of the polymer is improved, the flowability of a mixture is also improved, and the workability of concrete is obviously improved.

The application discloses a kind of polyurea foam material and preparation method thereof.The polyurea foam is prepared by mixing component B and component A, the component B at least includes the CO2 adduct of terminal amino compound;The component A includes polyisocyanate compound;The functionality of terminal amino compound and polyisocyanate compound is at least 2.The terminal amino compound includes terminal primary amino compound, terminal secondary amino compound and end-modified terminal primary amino compound;The terminal primary amino compound includes terminal primary amino polyoxyethylene ether, terminal primary amino polypropylene ether and terminal primary amino polydimethylsiloxane.The polyurea foam material prepared by the application does not contain other auxiliary components except a small amount of foam stabilizer, and the foam purity is high.

The invention discloses polyurethane foam, a preparation method thereof and a refrigerator, and belongs to the technical field of refrigerator production. The polyether composition includes a polyol, a blowing agent, water, a catalyst, and a foam stabilizer; the polyol is prepared by reacting an initiator and oxyalkylene, the oxyalkylene is selected from one or more of propylene oxide, ethylene oxide and butylene oxide, the initiator is selected from a compound containing reactive hydrogen, the functionality of the polyol is greater than 3, and the hydroxyl value of the polyol is greater than 450; the foaming agent is prepared from at least one of pentane, 1, 1, 1, 3, 3-pentafluoropropane and trans-1-chloro-3, 3, 3-trifluoropropene; the catalyst is prepared from potassium isooctanoate and 1, 2-dimethylimidazole. The low-boiling-point foaming agent is applied to refrigerators, the problems that an existing low-boiling-point foaming agent system is poor in environmental friendliness and still long in refrigerator demolding time are solved, demolding can be achieved within the pressure maintaining time of 60-100 s, the expansion rate of polyurethane foam is effectively reduced, the foam skin thickness is improved, and the low-boiling-point foaming agent has the low heat conductivity coefficient and high strength.

The invention relates to a polyolefin-based film, in particular an anti-fog film, obtainable from the components (a) 50 to 90 wt.% of at least one grafted polyolefin, (b) 5 to 30 wt.% of at least one compound of formula l reactive thereto, wherein k, l and m are alternating blocks of polyoxyethylene and polyoxypropylene units, wherein k is a block of 10 to 100 ethylene oxide or propylene oxide units, m is a block of 0 to 90 propylene oxide or ethylene oxide units, m is a block of 0 to 90 ethylene oxide or propylene oxide units and k + l + m = 10 to 100, RH or CH3, R' is a hydrocarbon residue with up to 20 C atoms and X is a group reactive with the grafted polyolefin, (c) 0 to 5 wt.% of a compound not reactive with component (a) with Antifog properties, in particular of a glycerol ester, sorbitan ester and / or an alkyl-substituted 2,2' iminobisethanol, (d) up to 10 wt.% usual additives and (e) 0 to 50 wt.% of one or more polyolefins.

The invention relates to the technical field of building waterproof coatings, and discloses a composition for a flame-retardant double-component polyurethane waterproof coating, the flame-retardant double-component polyurethane waterproof coating and a preparation method and application of the flame-retardant double-component polyurethane waterproof coating, the composition comprises a component A and a component B in the weight ratio of 1: (1-5), the component A comprises a polyurethane prepolymer, the component B comprises a polyurethane prepolymer, and the component C comprises a polyurethane prepolymer; the polyurethane prepolymer is prepared from a mixed material containing a first main agent and a first auxiliary agent; the first main agent is prepared from polyoxyalkylene polyol and bisphenol A polyether polyol in a weight ratio of (1-6): 1; the component B is composed of a second main agent and a second auxiliary agent, and the second main agent is at least one of polyoxyalkylene polyols; the polyoxyalkylene polyol is selected from at least one of polypropylene oxide glycol, polypropylene oxide triol and polypropylene oxide-ethylene oxide triol. The flame-retardant double-component polyurethane waterproof coating provided by the invention has excellent flame-retardant effect, heat resistance and mechanical property.

[Problem] The present invention aims to provide an aqueous solution for manufacturing electronic devices capable of suppressing defects. [Solution] An aqueous solution for manufacturing electronic devices, comprising: an acid (A); a surfactant (B); and a solvent (C); wherein the acid (A) has a pKa (H2O) of 3.0 or less, and the number of carbon atoms contained in one molecule of the acid (A) is 0 to 8; the surfactant (B) substantially contains no ethylene oxide repeating units and no propylene oxide repeating units; and the solvent (C) contains water (C-1). The aqueous solution for manufacturing electronic devices is a high-performance material that can be used in nanotechnology processes for semiconductor device manufacturing, for example, in manufacturing processes for semiconductor devices for controlling liquid crystals, quantum dots, or OLED displays formed on a substrate.

The invention relates to the technical field of preparation of acrylic acid by propylene oxide through a two-step method, and discloses an optimized and innovative process for preparing acrylic acid through a two-step propylene oxide method, which comprises the following steps: firstly, controlling the temperature of a reactor by controlling circulating heat-conducting fused salt in the process, performing multi-point temperature measurement and APC technology prediction control, and introducing SIS system linkage; the temperature control is quicker and more accurate, the temperature of each point of the reactor is prevented from being too high, the catalyst is protected, and the quality of the product acrylic acid is better. Due to the fact that explosive gas is easily formed after propylene, air and inert materials are mixed, in order to enable production to be safer and more stable, a novel APC predictive control technology and a DCS monitoring control scheme are adopted in the process, SIS system linkage control is combined, the proportion of the mixed gas is located in a safe area, production is safer and more reliable, and meanwhile the product conversion rate is the highest. According to the optimization process for preparing the acrylic acid by oxidizing the propylene through the two-step method, the production is safer and more reliable, the energy is saved, the efficiency is high, the product quality is higher, the propylene conversion rate and the acrylic acid yield are higher, the expected value of the conversion rate reaches 97%, and the total yield value reaches 88% or above.

The invention discloses a preparation method of a gold stamping film. The preparation method comprises the following steps: step 1, adopting a PET (Polyethylene Terephthalate) base film as a substrate layer, coating a release layer on the substrate layer, arranging a color printing layer on the release layer, arranging a mould pressing layer on the color printing layer, and arranging an electroplated layer on the mould pressing layer; the hot stamping film adopts a PET base film as a matrix layer, the matrix layer is coated with a release layer, the hot stamping film is attached to a to-be-attached product through layer improvement treatment and a hot-melt adhesive agent to form a hot-melt adhesive layer, the hot-melt adhesive agent is prepared from ethylene glycol, polyoxypropylene glycol and acrylic resin through a blending regulator and a matching agent, and the raw materials are blended, coordinated and co-synergized, so that the hot stamping film has a good hot-melt adhesive effect on the to-be-attached product. The obtained gold stamping film is excellent in heat resistance and acid corrosion resistance stability.

The invention provides a photosensitive resin composition for a relief printing original plate, a relief printing original plate, and a printing plate. The photosensitive resin composition for the relief printing original plate can reduce development change of the relief printing original plate in a high-temperature environment, can realize satisfactory reproducibility in a resin relief plate in a high-temperature environment, and can reduce poor printing when the resin relief plate is used for printing in a low-temperature environment. The photosensitive resin composition for a relief printing original plate contains (a) a polyamide and / or a polyamide block copolymer, (b) a crosslinking agent having one or more unsaturated groups, (c) a photopolymerization initiator, and (d) a polyglycerol and / or a polyglycerol derivative obtained by the addition polymerization of polyglycerol with ethylene oxide or propylene oxide, the content of (d) in the photosensitive resin composition is 3-15% by weight.

An improved process and its relating plant for the production of propene oxide in a reaction system in which a heterogeneous catalyst is equally distributed in two twin reactors, operationally interchangeable, which process includes the following phases : (a) start the epoxidation reaction by bringing propene into contact with hydrogen peroxide and a reaction solvent in a first reactor, in a liquid phase using a heterogeneous catalyst at constant temperature and pressure, appropriately selected to obtain at least a minimum yield desired propene oxide in the presence of ammonia; (b ) apply a continuous wash using the feed flow of the reaction solvent to regenerate the catalytic bed of the second reactor, twin of the first, at mild temperature conditions, close to the reaction temperature, in the presence of ammonia; ( c) feeding the stream of the reaction solvent and ammonia coming from the washing of the second twin reactor, which is in the regeneration phase, to the first reactor in which the reaction is taking place and is in productive operation; (d) switch the regeneration operation and the reaction operation between the first and second reactors when the reaction yield falls below a target range.

This invention relates to the field of lithium-ion battery technology, specifically to an adhesive for coated separators, its preparation method, and its application. The adhesive for coated separators includes a main agent and additives, wherein the weight ratio of the main agent to the additives is (1-2):(8-9). The main agent is one or more of the following: cross-linked acrylate copolymer, polyvinylidene fluoride-hexafluoropropylene copolymer, polyvinylidene fluoride-trifluorochloroethylene copolymer, polyethylene oxide, polyethylene wax, polypropylene oxide, polyetherimide, polyacrylonitrile, and polyaniline. The additives include the following components in parts by weight: 0.1-5 parts of dispersant, 0.05-1 part of surfactant, 0.05-3 parts of thickener, and 91-95 parts of ceramic particles. Through a dispersant-PMMA pretreatment process, ultra-uniform dispersion and strong interfacial bonding of ceramic particles in the polymer are achieved, eliminating the risk of coating cracking and peeling. The uniformly distributed ceramic particles form a robust heat-resistant skeleton, ensuring that the diaphragm experiences almost no thermal shrinkage at temperatures above 180°C, effectively preventing thermal runaway.

It is an object of the present invention to achieve an adhesive composition which enables provision of a cured product having excellent mechanical properties. In order to attain the foregoing object, an adhesive composition in accordance with an embodiment of the present invention contains: a polyoxypropylene-based polymer (A) which has, the terminal thereof, not less than 0.6 (meth)acryloyl groups on average and which has a number average molecular weight of not less than 5,000; a methacrylate compound (B) having a glass transition temperature of higher than 60° C. in a state of a homopolymer; an organic peroxide (C); and a reducing agent (D).

The invention relates to a shoe material special material with soft and wear-resistant functions and a preparation method thereof, and the shoe material special material comprises the following raw materials: natural rubber, butadiene styrene rubber, ethylene-vinyl acetate copolymer, chlorosulfonated polyethylene, modified mica powder, coumarone resin, polyethylene wax, an anti-aging agent, polyethylene glycol, trihydroxy polyoxypropylene ether, sulfur and an accelerant. Soles and vamps prepared from the shoe material special material have excellent wear resistance and good softness, and the wearing comfort of the prepared soles and vamps is improved.

The invention provides a dispergator and a preparation method and application thereof.The dispergator comprises a main agent and an auxiliary agent, the auxiliary agent comprises a surfactant and a dispersing agent, and the surfactant comprises at least one of a fatty alcohol-polyoxyethylene ether compound, polyether modified siloxane, APG alkyl glycoside, alkanolamide, sodium dodecyl benzene sulfonate and dodecyl acetic acid; the dispersing agent is prepared from at least one of trihydroxy polyoxypropylene ether, N-methyl pyrrolidone, APG alkyl glycoside, ethyl lactate, D-limonene, sodium dodecyl benzene sulfonate and dodecyl acetic acid. According to the dispergator provided by the invention, the main agent has strong dissolving capacity and enters a polymer of an adhesive to swell and dissolve the polymer, so that degumming is completed; the auxiliary agent is used for reducing the liquid surface tension, enhancing the permeability of the main agent and improving the degumming efficiency.

[Problem] To provide a method for improving the selectivity of an unsaturated aldehyde. [Solution] A method for producing an unsaturated aldehyde, which uses a catalyst including a complex oxide containing molybdenum, bismuth, iron, and cobalt, and subjects a compound selected from propylene, isobutylene, and a tertiary alcohol to catalytic gas-phase oxidation in the presence of a molecular oxygen-containing gas in a fixed-bed multi-tubular reactor, wherein the catalyst is obtained by reduction treatment followed by oxidation treatment.

The present disclosure provides a catalyst for preparation of propylene oxide by epoxidation of propylene with oxygen, and use thereof. The catalyst comprises a zeolite support and an active component which is at least one of titanium, tin, molybdenum, or tungsten. A preparation method of the catalyst comprises: subjecting a silica-alumina zeolite to a dealumination treatment, mixing it with an organometallic compound precursor, and calcining the mixture in air. The present disclosure further provides use of the catalyst for direct epoxidation of propylene with oxygen to produce propylene oxide, and can solve problems in current propylene oxide synthesis, such as the need for co-production, high explosion risk, environmental pollution, high energy consumption, and complicated process. The catalyst of the present disclosure exhibits high propylene conversion and propylene oxide selectivity, and maintains favorable stability and propylene oxide yield over a long period, making it suitable for large-scale industrial production.

The invention provides an insulating paint, an insulating coating, a composite board, a battery shell, a battery and electric equipment. In the insulating paint, the organic base material comprises at least one of urethane acrylate, epoxy acrylate, polyester acrylate and pure acrylate; the first monomer comprises at least one of 3, 3, 5-trimethyl cyclohexyl acrylate, isobornyl acrylate, cyclohexyl acrylate and tetrahydrofurfuryl acrylate; the second monomer is prepared from at least one of tricyclodecane dimethyl alcohol diacrylate, trimethylolpropane triacrylate, dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate; the second monomer is prepared from at least one of tricyclodecane dimethyl alcohol diacrylate, trimethylolpropane triacrylate, dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate; the third monomer is prepared from at least one of dicyclopentenyl ethoxylated acrylate, ethoxylated trimethylolpropane triacrylate and propoxylated neopentyl glycol diacrylate. The electric insulation property, the surface hardness and the crosslinking density of the prepared insulation coating can be remarkably improved, so that the battery insulation coating with more excellent comprehensive performance is obtained.

The invention provides a composition for a diaphragm, the diaphragm as well as a preparation method and application of the diaphragm, and the composition for the diaphragm comprises a solid electrolyte, an adhesive and a functional polymer in a mass ratio of (12-18): (2-8): (0.002-0.1), the adhesive is selected from one or more of polymethyl methacrylate, polyvinylpyrrolidone, polyimide, polyacrylic acid, polyacrylamide, polyvinyl alcohol, poly (hydroxyethyl methacrylate), polymaleic anhydride, ethyl cellulose, cellulose acetate, carboxymethyl cellulose and hydroxypropyl methylcellulose; the functional polymer is selected from one or more of polyethylene oxide, polydioxopentane, polypropylene oxide, polypropylene carbonate, polyvinyl carbonate, vinylene carbonate, polyvinyl chloride, polyvinyl acetate, polyethylene oxide methyl ether methacrylate and polydiacrylate; the problems of small adhesive force between the solid electrolyte and the base membrane and high water absorption of the solid electrolyte in the prior art are solved.