1555 results about "Acrylic monomers" patented technology

The invention discloses an adhesive, lithium battery negative electrode slurry, a lithium battery negative electrode and a lithium battery. The adhesive comprises an acrylic copolymer; polymeric monomers of the acrylic copolymer comprise an acrylic monomer, an acrylonitrile monomer, an acrylamide monomer and a selective acrylate monomer; the preparation method of the acrylic acid copolymer comprises the following steps: mixing an acrylic acid monomer with water, adding alkali for neutralization until the neutralization degree is greater than or equal to 50% and less than 100%, then adding an acrylamide monomer and an acrylonitrile monomer, selectively adding an acrylic ester monomer, heating to a reaction temperature in a protective atmosphere, and carrying out a reaction for 2-4 hours to obtain the acrylic acid copolymer. Adding an initiator to initiate an aqueous solution polymerization reaction to generate an acrylic copolymer; practice shows that the binder has higher molecular weight and better electrical performance, when the binder is applied to the negative electrode of the lithium battery, excellent binding power and battery cycle performance can be obtained while the use amount of the binder is reduced, and the binder can be used for preparing the lithium battery, related electrodes and the like.

A fireproof magnesium oxide board is prepared by mixing the following raw materials, the raw material names and weight parts are as follows: 80-100 parts of magnesium oxide; 20-30 parts of anhydrous magnesium chloride; 10-20 parts of modified expanded vermiculite foaming agent; 20-30 parts of aluminum silicate fiber; 5-10 parts of sawdust; 10-15 parts of fly ash; 8-12 parts of glass magnesium board crushed powder; 1.5-5 parts of non-woven fabric; 10-20 parts of water; wherein the modified expanded vermiculite is prepared by the following steps: (1) Vermiculite is incompletely expanded and calcined; (2) acrylic acid monomer, sodium hydroxide, acrylamide monomer, initiator potassium persulfate, crosslinking aid pentaerythritol polyglycidyl ether, incompletely expanded vermiculite, and water are taken, stirred evenly and ultrasonically dispersed to obtain a first reaction solution, which is placed in a reactor for reaction to obtain a gel material; (3) the gel material is preliminarily crushed and dried, and then further crushed in a ball mill to obtain a fire-resistant expanded vermiculite with water absorption performance.

Liquid dispersions of quantum dot particles comprise an acrylic medium and quantum dot particles dispersed in the acrylic medium have an initial viscosity. The quantum particles comprise ligands attached to the quantum dot particles, the ligands comprising functional groups configured to stabilize the initial viscosity liquid dispersion of the quantum dot particles. The liquid dispersions of quantum dot particles are useful as stable liquid formulations that resist gelling for spin-coating and inkjet printing of color conversion layers in the manufacture of LED and micro-LED panel for advanced displays. Methods of manufacturing light-emitting devices using the liquid dispersions of quantum dot particles are disclosed.

The specification relates to a wash-off label (100, 200) comprising a face (101, 301) and a pressure sensitive adhesive (102, 302) adjoined to the face, wherein the face (101, 301) comprises corona discharged filmic material and the pressure sensitive adhesive (102, 302) has a composition including at least one acrylic polymer comprising acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction, amount of the acrylic monomer(s) and / or non-acrylic comonomer(s) having a carbonyl group capable of undergoing a crosslinking reaction being from 0.1 to 5 wt. % of monomer composition, and a crosslinking agent with dihydrazide functionality, amount of the crosslinking agent being from 20 to 150% with respect to the amount of the carbonyl groups capable of undergoing a crosslinking reaction. The wash-off label (100, 200) is detachable from a surface when exposed to an alkaline washing solution at a temperature of 85 degrees C. the detachability being such that the pressure sensitive adhesive (102, 302) remains attached to the face (101, 301). Further, the specification relates to a labelled item and use of the wash-off label for labelling an item. Still further, the specification relates to a label laminate web and a method of manufacturing the wash-off label as well as to a pressure sensitive adhesive composition for a wash-off label.

The present application relates to the technical field of lithium battery materials and binders, and discloses an aqueous polymeric binder, a preparation method therefor and a use thereof. The aqueous polymeric binder is obtained by copolymerizing a polymerization unit comprising an acrylic monomer, an acrylate monomer, an oil-soluble monomer, a water-soluble monomer, and an amphiphilic water-soluble monomer in an aqueous solvent; and the mass percentages of the monomers are as follows: acrylic monomer: 5%-15%; acrylate monomer: 45%-60%; oil-soluble monomer: 10%-40%; water-soluble monomer: 5%-20%; and amphiphilic water-soluble monomer: 5%-10%. The aqueous polymeric binder of the present application is mainly used for bonding of an edge coating of a negative electrode sheet of a lithium-ion battery; on the basis of the specific copolymerization monomer components and proportions, the obtained binder has excellent PP base film bonding performance and electrolyte swelling resistance; in addition, the binder avoids material mixing with a negative electrode, and has good prospects of application.

The invention provides a zinc negative electrode and gel electrolyte integrated structure and a preparation method thereof and a zinc ion battery, the integrated structure comprises a zinc negative electrode and a gel electrolyte layer combined on the surface of one side or two sides of the zinc negative electrode in situ, the gel electrolyte layer comprises a polymerization product of a zinc acrylate monomer, an acrylic monomer and a gel substance, the zinc ion battery has the advantages of no anion interference, high ionic conductivity, excellent contact with a zinc negative electrode and the like, can be applied to the field of batteries, and can effectively avoid an electrode concentration polarization effect, enhance the desolvation capability of zinc ions and prolong the cycle life of the batteries. The preparation method comprises the following steps: arranging a mixed raw material solution containing a zinc acrylate monomer, an acrylic monomer and a gel substance on the surface of the zinc negative electrode, and carrying out ultraviolet polymerization to generate a single-ion conductive dual-network polymer, namely the gel electrolyte layer, on the surface of the zinc negative electrode in situ. The method is suitable for industrial production.

The invention discloses a temperature-resistant high-strength powder coating and a preparation method thereof, and belongs to the field of coatings. The invention relates to a temperature-resistant high-strength powder coating which is prepared from the following raw materials in percentage by weight: 40-50% of epoxy resin; 20-30% of polyester resin; 6-10% of a curing agent; 1-3% of a leveling agent; 1-2% of a filler; and the balance of pigment. According to the polyester resin, aliphatic diisocyanate reacts with polyether polyol and hydroxyl silicone oil to obtain a polyurethane prepolymer, and then the polyurethane prepolymer reacts with vinyl benzylamine, an acrylate monomer and an acrylic monomer to obtain the polyester resin. The powder coating has the advantage that the temperature resistance and the strength of the powder coating are improved.

The invention belongs to the technical field of optical materials, and discloses a holographic polymer dispersed liquid crystal composition, a holographic grating and a preparation method. The composition comprises the following components in parts by mass: 0.5-1.5 parts of a photoinitiator, 2-5 parts of a co-initiator, 15-20 parts of a first monomer, 15-20 parts of a second monomer, 10-15 parts of a third monomer, 10-15 parts of a solvent and 10-20 parts of mixed liquid crystal. Wherein the first monomer is a monofunctional acrylic monomer, the second monomer is a bifunctional acrylic monomer, the third monomer is a polyfunctional acrylic monomer, the mixed liquid crystal comprises 10-25 wt% of a monomer liquid crystal and 75-90 wt% of a nematic liquid crystal, and the monomer liquid crystal contains fluorine as a benzene ring substituent and contains cyano or isothiocyano as an end group. Through cooperation of the monomer liquid crystal and the nematic liquid crystal in the mixed liquid crystal and cooperation of fluorine atoms and cyano / isothiocyano groups in the monomer liquid crystal, the holographic grating prepared from the composition has the characteristics of low haze and high diffraction efficiency, and the grating can be thinner, so that the requirements of light weight and clearness of AR glasses can be met.

The invention relates to chitin-based acrylic resin and a preparation method thereof, and belongs to the technical field of intersection of high value-added utilization of biomass resources and acrylic resin. The chitin-based acrylic resin is prepared from the following components in parts by weight: 30 to 50 parts of acrylic modified chitin, 20 to 30 parts of acrylic monomer, 10 to 20 parts of polyaldehyde monomer, 5 to 10 parts of polybasic organic amine, 1 to 5 parts of emulsifier, 0.1 to 0.5 part of initiator, 0.2 to 0.4 part of defoaming agent and 80 to 120 parts of deionized water. According to the method, forestry and agricultural residues are used as raw materials, chitin with small molecular chains is obtained through deacetylation treatment of chitin, meanwhile, a large number of primary amino groups with high chemical reaction activity are exposed on the surfaces of the molecular chains of the chitin, and organic acrylic aldehyde is further utilized to react with the chitin; acrylic acid groups are successfully grafted to chitin molecular chains to be subjected to polymerization reaction with acrylic acid monomers to form macromolecule resin, meanwhile, the macromolecule resin is subjected to cross reaction with polyaldehyde and polybasic organic amine to generate net-shaped crosslinking, and the strength of the acrylic resin after film forming is improved.

The invention discloses a novel modified starch-based polycarboxylate superplasticizer and a preparation method thereof, and belongs to the technical field of concrete admixtures. The preparation process comprises the following steps: (1) performing acidolysis treatment on starch to obtain acidolysis starch; (2) modifying the acidolysis starch and a double-bond modifier under the action of auxiliaries such as a polymerization inhibitor to prepare novel double-bond-containing modified starch (AS); (3) mixing AS and a polyether macromonomer in water to form a base solution; (4) dropwise adding an acrylic monomer and a chain transfer agent into the base solution, and carrying out a copolymerization reaction through an initiation system; and (5) insulating and neutralizing to obtain a finished product. In order to solve the problems of non-renewable petroleum-based raw materials, high production cost and the like of the traditional polycarboxylate superplasticizer (PCA), active double bonds are introduced into modified starch by a solvent-free semi-dry process to replace part of polyether macromonomers, so that the polymerization activity and grafting ratio of the modified starch are effectively improved, the water-reducing dispersion effect of the modified starch is enhanced, and the water-reducing property of the modified starch is improved. The water reducer has the advantages of low mixing amount, high water reduction and the like, and has economic and environmental benefits.

The invention relates to a preparation method of composite porous carbon beneficial to silicon deposition and a silicon-carbon composite negative electrode. The method comprises the following steps: (P1) carrying out surface oxidation treatment on porous carbon fine powder to obtain oxidized porous carbon fine powder; (P2) adding the oxidized porous carbon fine powder and ether polycarboxylic acid silanol into a solvent to obtain ether polycarboxylic acid silanol modified porous carbon fine powder; the ether polycarboxylic acid silanol is prepared by copolymerizing a polyether macromonomer, an acrylic monomer and an alkenyl silane coupling agent in water; (P3) soaking the ether polycarboxylic acid silanol modified porous carbon fine powder in a salt aqueous solution to obtain catalyst-loaded porous carbon; (P4) mixing the porous carbon loaded with the catalyst with a carbon source precursor solution, and performing spray drying to obtain a composite carbon precursor; and (P5) carbonizing and activating the composite carbon precursor to obtain the composite porous carbon beneficial to silicon deposition. The composite porous carbon prepared by the invention is beneficial to more uniform deposition of silicon in pores of the core porous carbon fine powder.

The invention discloses eutectic gel as well as a preparation method and application thereof. The eutectic gel at least comprises a polymer obtained by polymerizing an acrylamide monomer, an acrylic monomer and a cross-linking agent in a eutectic solvent, and cellulose nanocrystals are also added into the polymer. The preparation method comprises the following steps: preparing the eutectic solvent; the preparation method comprises the following steps: at least adding an acrylamide monomer, an acrylic monomer, a cross-linking agent and cellulose nanocrystals into a deep-eutectic solvent, and uniformly mixing; and carrying out polymerization reaction to obtain the eutectic gel. According to the invention, two polymer monomers with different compatibility with the eutectic solvent are copolymerized to prepare the eutectic gel with phase separation, and meanwhile, the cellulose nanocrystal with different interaction with two phases in the eutectic gel is used as the flexibilizer, so that the mechanical property of the eutectic gel is effectively enhanced, and the mechanical property of the eutectic gel is improved. And the eutectic gel has temperature and strain dual response characteristics and good environmental stability.

The invention relates to the technical field of waterproof agents for fabrics, and particularly discloses a fluoride-free waterproof agent for fabrics and a preparation method of the fluoride-free waterproof agent. The preparation method specifically comprises the following steps: dehydrating polyol / ester, adding isocyanate, heating to 80-90 DEG C, reacting for 2-3 hours, cooling, dropwise adding a chain extender, reacting for 0.5-1 hour at 45-48 DEG C, adding POSS, stirring for 1-2 hours at 45-48 DEG C, adding an acrylic monomer A for blocking, cooling, dropwise adding acid, stirring and neutralizing to obtain a prepolymer; pouring the prepolymer into water, stirring and emulsifying to obtain a POSS-PU emulsion; quickly stirring the POSS-PU emulsion, an acrylic monomer B, an emulsifier, water, a co-emulsifier, a pH regulator and the like to obtain a composite emulsion; homogenizing the composite emulsion until the composite emulsion has obvious blue light; and adding dodecanethiol and an azo amidine initiator, reacting at 68-70 DEG C for 3-7 hours, cooling, filtering and taking out to obtain the fluoride-free waterproof agent.

The invention relates to the technical field of polyester resin, in particular to acrylic resin for a water-blocking film and a preparation method of the acrylic resin. The acrylic resin is a (styrene-acrylonitrile)-b-(flexible acrylic acid-functional monomer)-c-(styrene-acrylonitrile-silane coupling agent) block polymer; the block polymer comprises the following components in parts by mass: 20-70 parts of a flexible acrylic monomer; 5 to 25 parts of acrylonitrile; 20 to 50 parts of styrene; 1-7 parts of a silane coupling agent; 2-10 parts of a functional monomer, wherein the functional monomer is used for carrying out a cross-linking reaction with the curing agent; the (styrene-acrylonitrile)-b-(flexible acrylic acid-functional monomer)-c-(styrene-acrylonitrile-silane coupling agent) triblock polymer prepared in the invention has good heat resistance and certain elasticity, is acrylic resin with good binding force with a water-blocking coating, and is used for a polymer protective layer.

The invention provides a semi-solid-state battery electrolyte precursor, a semi-solid-state battery electrolyte, a semi-solid-state battery and a preparation method of the semi-solid-state battery. The electrolyte precursor comprises a first polymer monomer, a second polymer monomer and an initiator, the first polymer monomer is an acrylic monomer or an acrylate monomer; the second polymer monomer is a fluorine-containing unsaturated monomer. According to the semi-solid battery electrolyte precursor, the first polymer monomer with the acrylic acid or acrylate structure and the second polymer monomer with the fluorine-containing unsaturated structure are selected, the formed copolymer can improve the stability of an electrode / electrolyte interface, and even if monomer residues exist, the stability of the electrode / electrolyte interface can be improved. And an SEI film with good stability can also be formed in a subsequent film forming stage, and an electrode / electrolyte interface is optimized.

The invention discloses a self-cleaning anti-reflection coating liquid as well as a preparation method and application thereof, and belongs to the technical field of photovoltaic glass. The self-cleaning anti-reflection coating liquid is prepared from the following components in parts by weight: 100 to 120 parts of silicon dioxide composite resin emulsion; 0.5 to 2 parts of an adhesion promoter; and 10 to 20 parts of water. The self-cleaning anti-reflection coating liquid has the effects of being hydrophilic, self-cleaning and capable of improving the transmittance of incident light. Wherein the composite functional component is mainly modified silicon dioxide composite amphiphilic acrylic resin and is formed by silicon dioxide modification, acrylic monomer modification and emulsion polymerization, the prepared self-cleaning anti-reflection coating liquid is used for surface coating of plastic films, glass and the like, and the functions of hydrophilicity (the contact angle is smaller than or equal to 5 degrees), the anti-reflection rate of 3% and high weather resistance (QUV is larger than or equal to 500 h) can be achieved; wide market application prospects are realized in the photovoltaic glass industry.

The invention belongs to the technical field of high polymer materials, and relates to a negative OC photoresist with low residual stress and high refractive index as well as a preparation method and application of the negative OC photoresist. The negative photoresist with the high refractive index at least comprises the following raw materials in parts by weight: 10-22 parts of nanoparticles with the high refractive index, 2-3 parts of an epoxy monomer, 3-10 parts of acrylic resin, 1-3 parts of an acrylic monomer, 1.5-4 parts of a photoinitiator, 0-4 parts of a photosensitizer, 0.01-0.5 part of a surfactant, 0-2 parts of a curing agent and 30-70 parts of a solvent. According to the invention, the epoxy monomer (spiro orthocarbonate compound) is added in the formula to form stable interaction with the nanoparticles, so that the dispersity of the nanoparticles in a polymer matrix is improved, and the overall performance of the photoresist is optimized.

The invention discloses a lithium battery negative electrode binder of modified carboxymethyl cellulose lithium, and belongs to the technical field of lithium ion batteries, and the modified carboxymethyl cellulose lithium is prepared by grafting carboxymethyl cellulose with an acrylic monomer and a sulfonic monomer, acidifying, lithiating, cross-linking with cystine, and carrying out surface modification with 2-(3, 4-dihydroxyphenyl) ethylamine. The preparation method comprises the following steps: grafting an acrylic monomer and a sulfonic monomer copolymerization long chain on a main chain of carboxymethyl cellulose, introducing additional carboxyl and sulfonic groups, and introducing cystine with a disulfide bond as a cross-linking agent and 2-(3, 4-dihydroxyphenyl) ethylamine with a catechol group as a tackifier to prepare modified carboxymethyl cellulose lithium; the lithium content of the obtained modified lithium carboxymethyl cellulose is higher than that of common lithium carboxymethyl cellulose, the adhesive property is enhanced, the toughness is improved, and the cycle performance is enhanced.

The invention provides a preparation method and application of a fluorine-free sand streak agent. The preparation method of the fluorine-free sand streak agent comprises the following steps: S11, activating the surface of PMMA micro powder by utilizing a low-temperature plasma technology; s12, dispersing the activated PMMA micro powder in an organic solvent to obtain a reaction solution A; dispersing an acrylic monomer in an organic solvent to obtain a reaction solution B; dispersing an initiator in an organic solvent to obtain a reaction solution C; and S13, under the protection of nitrogen, introducing the reaction liquid A, the reaction liquid B and the reaction liquid C into a micro-channel reactor for graft copolymerization, cleaning and drying to obtain the PMMA micro powder with acrylic acid grafted on the surface.

The invention discloses a far-infrared high-transmittance composite material, a preparation method thereof and an optical device, and the far-infrared high-transmittance composite material comprises the following components in parts by weight: 70-99 parts of a polymer matrix; 1-30 parts of an anti-reflection auxiliary agent; the polymer matrix is a sulfur-containing polymer prepared by polymerization reaction of a polymeric monomer and sulfur, and the proportion of carbon-carbon unsaturated bonds is less than 3%; the polymeric monomer is selected from at least one of a vinyl monomer, a propenyl monomer, an acrylic acid monomer, a methacrylic acid monomer, an epoxide monomer, a thiopropyl ring monomer, an alkynyl monomer, a butadiene monomer, an isoprene monomer and a norbornene monomer; the anti-reflection auxiliary agent comprises at least one of nano zinc sulfide, nano zinc selenide, nano calcium fluoride, nano magnesium fluoride and nano magnesium oxide. The composite material and the optical device thereof have high far infrared transmittance and good mechanical properties and processability, and can meet the requirements of various far infrared optical fields.

The invention provides a thermal response self-ceramization fireproof coating and a preparation method thereof. The thermal response self-ceramization fireproof coating is prepared from the following raw materials in parts by mass: 3 to 10 parts of acrylic monomer, 3 to 10 parts of organic sulfonate, 1 to 4 parts of silane coupling agent, 0.5 to 3 parts of silicate ester, 4 to 6 parts of ceramic precursor, 3 to 6 parts of fluxing agent and 0.05 to 0.4 part of initiator. The fluxing agent comprises a component A and a component B, the component A is one of boric oxide, zinc borate or low-melting-point glass powder, and the component B is one of phosphorus pentoxide and ammonium polyphosphate. The silane coupling agent can be copolymerized with an acrylic monomer to construct a C-C main chain, the C-C main chain and silicate ester are subjected to hydrolytic condensation to form a Si-O-Si three-dimensional network, a chemical cross-linked skeleton is formed, and the chemical cross-linked skeleton can generate silicon dioxide at high temperature to participate in a ceramization reaction; the ceramic precursor and silicate ester can form a strong physical cross-linking effect, so that the fireproof coating with a chemical and physical double-cross-linked network can be formed, and the fireproof coating has excellent mechanical property and machinability at normal temperature.

The invention relates to a micro-nano aggregate based on silanized calcium sulfate whisker in-situ polymerization, the main component of the micro-nano aggregate is acrylate copolymerized CSW / NS-GO, and the preparation method comprises the following steps: loading nano silicon dioxide on the surface of calcium sulfate whisker to obtain CSW / NS; carrying out silanization modification on CSW / NS; preparing graphene oxide by a Hummers method; and carrying out in-situ polymerization to prepare the acrylate copolymerized CSW / NS-GO. Calcium sulfate whiskers are loaded and bonded with epoxy modified nano silicon dioxide and then subjected to in-situ polymerization with graphene oxide in an acrylic monomer, a polymer chain is tightly combined with a functional group of CSW / NS-GO, good interface bonding is formed, and the strength and toughness of the composite material are improved. The acrylate copolymerized CSW / NS-GO has a microscopic three-dimensional network structure and excellent stability, so that the internal structure of the concrete is more compact, the porosity is reduced, the permeation of water is prevented, and the invasion of harmful substances such as chloride ions and sulfate ions into channels is reduced, thereby reducing the structural damage caused by environmental factors such as dry-wet cycle and freeze-thaw cycle; the durability of the concrete is improved.

The invention discloses a bag-pasting-preventing self-cleaning dust-removing filtering material and a preparation technology thereof, and relates to the technical field of dust-removing filtering materials.The preparation technology comprises the following steps that fluorine-containing alkenyl monomers, allyl monomers, fibers and an initiator are mixed in dimethyl sulfoxide, and dispersion liquid is obtained; and coating the surface of a needled felt with the dispersion liquid, and baking to obtain the dust removal filtering material. The preparation method comprises the following steps: mixing an alkenyl fluorine-containing monomer, a propenyl monomer and fibers to prepare a dispersion liquid, coating the dispersion liquid on the surface of a needled felt, and carrying out a baking reaction to form the dust removal filtering material deposited with a fluorine-containing coating, so that the surface energy of the filtering material is remarkably reduced, and the filtering material is endowed with good surface moisture condensation resistance and dust stripping resistance; bag pasting caused by the effects of smoke humidity, dust humidity and the like is effectively avoided, the self-cleaning capacity is achieved, and the service life is prolonged. And the loading of the high-strength fibers on the surface of the needled felt is beneficial to improving the mechanical strength and stability of the prepared filtering material.

The invention discloses a battery using an adhesive for improving the first effect and circulation of a silicon negative electrode system cell, the adhesive is formed by polymerizing acrylic acid, quasi-acrylic acid and hydroxyethyl acrylate monomer, the hydroxyethyl acrylate monomer accounts for 1.5-3% of the total mass of the monomer, the acrylic acid monomer accounts for 16-58% of the total mass of the monomer, and the acrylic acid monomer accounts for 0.5-1.5% of the total mass of the monomer. The content of the acrylic monomer is 40-82%, the hydroxyethyl acrylate monomer is located in the middle of the polymer, the structural formula of the acrylic monomer is as follows: # imgabs 0 # R1 and R2 are independently selected from any one of H, carboxyl, hydroxyl, methoxyl and phenyl, R3 is selected from any one of cyano and # imgabs 1 #, R4 is selected from one or more of C1-C6 alkoxy, hydroxyl, amino, ester group, acylamino, chloroformyl and acyloxy, and n is 1-3. And R5 is selected from any one of H, carboxyl, hydroxyl, methoxyl and phenyl. The adhesive provided by the invention is strong in adhesive capacity, good in adaptability to volume expansion of a silicon negative electrode, and capable of effectively improving the cycle and the first effect of the battery, and is applied to the battery.

The invention relates to chitin-based acrylic resin and a preparation method thereof, and belongs to the technical field of intersection of high value-added utilization of biomass resources and acrylic resin. The chitin-based acrylic resin is prepared from the following components in parts by weight: 30 to 50 parts of acrylic modified chitin, 20 to 30 parts of acrylic monomer, 10 to 20 parts of polyaldehyde monomer, 5 to 10 parts of polybasic organic amine, 1 to 5 parts of emulsifier, 0.1 to 0.5 part of initiator, 0.2 to 0.4 part of defoaming agent and 80 to 120 parts of deionized water. According to the method, forestry and agricultural residues are used as raw materials, chitin with small molecular chains is obtained through deacetylation treatment, meanwhile, a large number of primary amino groups with high chemical reactivity are exposed on the surfaces of the molecular chains of the chitin, and 3-formyl-2-butenoic acid is further utilized to react with the chitin, so that the yield of the chitin is increased. Acrylic acid groups are successfully grafted to chitin molecular chains to be subjected to polymerization reaction with acrylic acid monomers to form macromolecule resin, meanwhile, the macromolecule resin is subjected to cross reaction with polyaldehyde and polybasic organic amine to generate net-shaped crosslinking, and the strength of the acrylic resin after film forming is improved.

The invention discloses a waterproof wear-resistant label and a preparation process thereof, and belongs to the technical field of label paper.The waterproof wear-resistant label comprises surface paper, an adhesive, a film coating layer and release bottom paper, the adhesive comprises the following raw materials in parts by mass: 60-80 parts of an acrylic monomer, 3-5 parts of a polyfunctional group crosslinking monomer, 6-10 parts of a siloxane-acrylate copolymer, 1-2 parts of an initiator, 5-8 parts of nano silicon dioxide and 50-60 parts of a solvent. And a molecular chain of the siloxane-acrylate copolymer contains a boric acid ester bond. A siloxane long chain in the siloxane-acrylate copolymer has low surface energy, can help to form a waterproof barrier, and can effectively prevent water from permeating into an interface between the label and a product, so that the waterproofness of the label is greatly improved; and a dynamic cross-linked network can be formed by introducing boric acid ester bonds, so that the stability is improved, the label structure is reinforced, the wear resistance is improved, and the label can be tightly attached to a base material in a long-term humid environment.

The invention provides a marking coating capable of preventing normal-temperature layering and a preparation method of the marking coating, and belongs to the technical field of coatings. Comprising the following raw materials in parts by weight: 1-2 parts of a temperature-sensitive reversible cross-linking agent, 15-30 parts of epoxy resin, 10-20 parts of an acrylic monomer, 1-2 parts of an emulsifier, 2-4 parts of temperature-sensitive microcapsules, 0.5-1 part of nano titanium dioxide, 1-2 parts of inorganic asbestos fibers, 0.5-1.5 parts of polymer fibers, 0.01-0.02 part of an initiator, 3-4 parts of a water-soluble epoxy curing agent, 2-3 parts of hollow glass beads, 2-4 parts of an auxiliary agent and 40-80 parts of water. The marking paint has the temperature-sensitive characteristic, is a weak gel network at normal temperature, inhibits filler sedimentation, hydrogen bond fracture during construction heating, paint fluidity recovery and cooling recovery crosslinking, and has high strength and hardness, so that the tensile strength, bending strength, hardness and other mechanical properties of a paint film are remarkably improved, and the wear resistance and impact resistance are also enhanced.

The invention discloses rosin modified zinc acrylate self-polishing resin, an antifouling paint containing the resin and a synthesis method. Firstly, under the action of an initiator, an acrylic prepolymer is synthesized from an acrylic monomer through a polymerization reaction; then, under the action of zinc oxide and benzoic acid, rosin resin is grafted to the side chain of the acrylic prepolymer, and zinc acrylate resin with the side chain containing rosin is obtained; and mixing, dispersing and grinding the rosin modified zinc acrylate resin, an anti-fouling agent, pigment filler, an auxiliary agent and a solvent to obtain the self-polishing anti-fouling paint based on the rosin modified zinc acrylate resin. The prepared rosin modified zinc acrylate self-polishing resin is high in polymerization degree, concentrated in molecular weight distribution and good in plasticity and flexibility, and the self-polishing antifouling paint based on the rosin modified zinc acrylate self-polishing resin comprises a cuprous oxide main antifouling agent and a composite organic antifouling agent and has the stable copper ion seepage rate and the good antifouling effect.

The invention relates to the technical field of adhesive tapes, and discloses an electrolyte-resistant double-sided adhesive tape for an environment-friendly new energy lithium battery, the double-sided adhesive tape comprises a base film layer, adhesive film layers and release films, the adhesive film layers are distributed on two sides of the base film layer, the release films are distributed on two sides of the adhesive film layers, and the adhesive film layers are formed by coating electrolyte-resistant adhesives on two sides of the base film layer. The electrolyte-resistant adhesive is prepared by carrying out cross-linking polymerization on acrylic monomers such as methyl methacrylate and hydroxyethyl methylacrylate under the action of an initiator and a cross-linking agent, and the cross-linking agent is a macromolecular substance which is connected through a silicon-oxygen bond and has a cyclohexyl hexafluoropropane-tertiary butyl block alternating structure. After the special structure of the cross-linking agent is introduced into the molecular chain of the adhesive, the adhesive property, high temperature resistance and electrolyte resistance of the adhesive can be obviously enhanced.

The invention relates to the technical field of organic adhesives, in particular to a dual-curing composition and a preparation method and application thereof. The dual-curing composition comprises an acrylic monomer, an acrylate oligomer, a photoinitiator, dual-curing resin, first epoxy resin and a modified curing agent, wherein the molecules of the dual-curing resin contain acrylate groups and epoxy groups at the same time; the modified curing agent comprises an amine curing agent and a prepolymer of second epoxy resin. According to the dual-curing composition disclosed by the invention, through compounding and synergistic interaction of the components, reactions such as carbon-carbon double bond polymerization, epoxy ring opening and amido addition are carried out under ultraviolet irradiation and normal temperature, so that dual curing is realized through cross-linking polymerization, and devices such as a perovskite battery and the like can be efficiently packaged. Wherein the dual-curing resin further increases the chain length of the polymer, so that a compact three-dimensional network structure is formed after the composition is cured, the moisture and gas blocking performance of the cured composition is improved, and the stability of a packaged device is improved.