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396 results about "Butyl acrylate" patented technology

Butyl acrylate is a chemical used in manufacturing.

Environment-friendly water-based acrylic emulsion adhesive without organic solvent

The invention provides an environment-friendly water-based acrylic emulsion adhesive without containing an organic solvent. The environment-friendly water-based acrylic emulsion adhesive is prepared from the following raw materials: 55-60 wt% of eleostearic acid hydroxyethyl acrylate (TMA), 15-25 wt% of butyl acrylate (BA), 3-10 wt% of acrylic acid (AA), 2-5 wt% of a cross-linking agent, 3-8 wt% of modified soil and 0.5-1 wt% of an initiator as a solid phase; the liquid phase is deionized water, and the environment-friendly water-based acrylic emulsion adhesive is prepared through semi-continuous emulsion polymerization. The prepared environment-friendly water-based acrylic emulsion adhesive is high in biodegradability and low in VOC content, has the mechanical property matched with that of a traditional acrylic emulsion adhesive and also has the self-repairing capacity, waste materials can be treated by changing the temperature or pH condition, the environment-friendly water-based acrylic emulsion adhesive can be recycled for multiple times, and the recycling cost is reduced.
Owner:GUANGDONG YOUHUA NEW MATERIAL TECH CO LTD

High-temperature-resistant flame-retardant CPVC power cable protection pipe and preparation method thereof

The invention discloses a high-temperature-resistant flame-retardant CPVC power cable protection pipe and a preparation method thereof, and relates to the technical field of cable protection pipes. The high-temperature-resistant flame-retardant CPVC power cable protection pipe at least comprises the following raw materials in parts by mass: 100 parts of chlorinated polyvinyl chloride; 15 to 25 parts of high impact resistance type MCS resin; 8 to 12 parts of poly (1, 2-propylene glycol adipate); 12 to 20 parts of a sepiolite-methyl methacrylate-butyl acrylate compound; 8-15 parts of aluminum-titanium composite coupling agent modified magnesium-aluminum-lanthanum hydrotalcite; 3-6 parts of a rare earth composite heat stabilizer; 2-4 parts of a processing aid; 0.5 to 1.5 parts of an antioxidant; and 1-2 parts of a lubricant. The prepared high-temperature-resistant flame-retardant CPVC power cable protection pipe has high heat resistance, high flame retardance and high impact resistance, and is excellent in comprehensive performance, high in safety and reliability and long in service life.
Owner:ZHEJIANG FEILONG PIPE

Wear-resistant environment-friendly PET base material adhesive tape and preparation method thereof

PendingCN121736643ABio-packagingFilm/foil adhesivesTripropylene glycolElastomer
The invention discloses a wear-resistant environment-friendly PET base material adhesive tape and a preparation method thereof, and belongs to the technical field of adhesive tapes, raw materials comprise a PET adhesive tape film and an EB curing modified adhesive, the surface of the modified PET adhesive tape film subjected to corona treatment is coated with the EB curing modified adhesive, then electron beam radiation curing is carried out, the absorbed dose of electron beams is 38-42 kGy, and the EB curing modified adhesive is prepared. And then cooling, rolling and curing to obtain the wear-resistant environment-friendly PET base material adhesive tape. The modified PET adhesive tape film is prepared from the following raw materials: PET resin and modified polyolefin elastomer master batch; the EB curing modified adhesive is prepared from the following raw materials: butyl acrylate, 2-ethylhexyl acrylate, tripropylene glycol diacrylate, acrylate resin, urethane acrylate and starch modified core-shell microsphere powder. According to the mode, a modification process is added in the preparation process of the PET adhesive tape film and the adhesive, and finally the environment-friendly PET base material adhesive tape with excellent comprehensive performance is prepared.
Owner:佛山市奥川顺新材料实业有限公司

Optical paste film and preparation method thereof

The invention discloses an optical paste film and a preparation method thereof, and relates to the technical field of optical functional materials. The optical slurry film is prepared by taking a polyethylene glycol terephthalate film as a base material and coating an optical slurry coating, the optical slurry coating is prepared from the following raw materials in parts by weight: 12 to 16 parts of nano silicon dioxide, 22 to 28 parts of acetone and butanone mixed solvent, 7 to 9 parts of modified titanium dioxide, 4 to 6 parts of nano zirconium oxide, 30 to 35 parts of modified epoxy resin, 18 to 22 parts of butyl acrylate, 4 to 6 parts of dioctyl sebacate, 2.5 to 3.5 parts of silane coupling agent KH-570, 1 to 1.5 parts of organic silicon flatting agent and 0.6 to 1 part of organic silicon defoaming agent. 1.2-1.8 parts of an antioxidant 1010, 3-4 parts of a photoinitiator 184 and 6-8 parts of bis (4-tert-butylphenyl) iodine hexafluorophosphate; the polyethylene glycol terephthalate film pretreatment material comprises absolute ethyl alcohol and deionized water. The raw materials are scientifically proportioned, the titanium dioxide and the epoxy resin are clearly modified, the preparation process is complete, and the finished product is high in light transmittance, good in weather resistance, adaptive to the requirements of the optical field and high in practicability.
Owner:TIAN CHENG (SHENZHEN) MICRO-ELECTRONIC MATERIAL CO LTD

High-temperature-resistant flame-retardant wire harness and preparation method thereof

The invention discloses a high-temperature-resistant flame-retardant wire harness and a preparation method thereof, and relates to the technical field of electric harnesses. The method comprises the following steps: firstly, introducing phosphorus and silicon flame-retardant elements on a polyethylene molecular chain through plasma activation and free radical grafting reaction to prepare phosphorus-silicon grafted modified polyethylene, then compounding aminated silicon dioxide and organic intercalated montmorillonite by using isophorone diisocyanate as a bridging agent to prepare the phosphorus-silicon grafted modified polyethylene composite material. The preparation method comprises the following steps: preparing an isocyanate-bridged silicon dioxide-montmorillonite composite filler to improve the dispersity and compatibility of the filler in a matrix, carrying out extrusion granulation on modified polyethylene, an ethylene-butyl acrylate copolymer, maleic anhydride grafted polyethylene, the composite filler, nano magnesium hydroxide and other additives to prepare polyethylene wire harness particles, and finally, carrying out extrusion granulation on the polyethylene wire harness particles to prepare the cable harness. And coating the surface of a copper core wire with the particles through a single-screw extrusion coating machine, and carrying out subsequent water cooling, steam treatment, drying and rolling to obtain a finished wire harness. The wire harness prepared by the invention has excellent high temperature resistance and flame retardance.
Owner:HUBEI YUANHENG ELECTRONIC TECH CO LTD

A dirt-resistant acrylic resin, a paint, and a method for producing the same

This invention relates to the field of acrylic resin technology and discloses a stain-resistant polyethylene glycol-graphene-grafted acrylic resin coating. TEMPO-modified graphene is used as a polymerization carrier, and TEMPO free radicals serve as initiation sites to initiate in-situ chemical grafting polymerization of monomers such as n-butyl acrylate and acrylic acid on the graphene surface, resulting in a polyethylene glycol-graphene-grafted acrylic resin. The graphene is linked to the acrylic resin through polyethylene glycol molecular chains, organically combining the graphene and acrylic resin. This improves the dispersibility of graphene, overcomes its agglomeration in the acrylic resin, and significantly enhances the tensile strength and other mechanical properties of the acrylic resin. Simultaneously, the grafted polar polyethylene glycol molecular chains improve the hydrophilicity and stain resistance of the acrylic resin.
Owner:DONGGUAN WEI YI BA COATINGS CO LTD

MBS resin for improving low-temperature tensile strength and preparation method thereof

PendingCN121471444APolymer scienceCross linker
The invention relates to the technical field of MBS resin preparation, in particular to MBS resin with improved low-temperature tensile strength and a preparation method thereof. The MBS resin for improving the low-temperature tensile strength is prepared from the following main raw materials: butadiene, styrene, methyl methacrylate, butyl acrylate, N-phenylmaleimide, BAPT, a silane coupling agent and an auxiliary reinforcing monomer, the composition also comprises the following auxiliary agents: an emulsifier, an initiator, a molecular weight regulator and an antioxidant. Through gradient introduction and step-by-step reaction of a rigid monomer N-PMI, a flexible monomer THFA and a cross-linking agent BAPT, a fine structure of'in-core rigidity increasing, shell layer rigidity and softness and interface strengthening 'is realized in polymer particles. By means of the collaborative structure from inside to outside, optimal distribution of rigidity and toughness of the material on the molecular level is achieved in advance, and the root reason for breaking through the low-temperature performance balance bottleneck macroscopically is achieved.
Owner:SHANDONG RUIFENG CHEM

Environment-friendly water-based composite adhesive for transfer paper and preparation method of environment-friendly water-based composite adhesive

The invention discloses an environment-friendly water-based composite adhesive for transfer paper and a preparation method of the environment-friendly water-based composite adhesive. The environment-friendly water-based composite adhesive is prepared from the following raw materials in percentage by mass: 28-45% of methyl methacrylate; 30 to 40% of butyl acrylate; 0.3%-0.8% of an initiator; 2-4% of an emulsifier; 1-5% of butadiene; 0.5 to 1.5 percent of a tackifier; 0-0.15% of a reinforcing agent; 0.1 to 0.5 percent of a pH regulator; 0.05-0.25% of a defoaming agent and the balance of water; the preparation process comprises the following steps: S1, prepolymerizing butadiene; s2, preparing an acrylate emulsion; and S3, mixing and blending. The preparation method has the advantages that the butadiene, the tackifier and the reinforcing agent are used in the formula to regulate and control the adhesive force and the toughness of the adhesive film, the types of the acrylate monomers are reduced, and the defects that the regulation and control capability is limited, the variables are multiple and the parameters are difficult to consider simultaneously when the types and the contents of the acrylate soft and hard monomers are accurately controlled to regulate and control the parameters are overcome.
Owner:JIAYI WARD (WUHAN) TECHNOLOGY CO LTD

Preparation method of full-degradable plastic-substituted high-strength food packaging paper

The invention relates to the technical field of papermaking and food packaging materials, in particular to a preparation method of full-degradable plastic-substituted high-strength food packaging paper. Preparing a fiber layer by taking plant fiber as a base material; the preparation method comprises the following steps: grafting a methyl methacrylate-butyl acrylate block copolymer on nano-cellulose through an atom transfer radical polymerization technology to prepare enhanced nano-cellulose; dialdehyde starch rich in aldehyde groups and chitosan are subjected to a Schiff base reaction to form a dynamic cross-linked network, polylactic acid microspheres modified by beta-cyclodextrin are introduced to serve as supramolecular enhancement units, and functional coating liquid is prepared; and finally, coating the functional coating liquid on the fiber layer, and drying, cross-linking and curing to obtain a finished product. Through cooperation of chemical grafting, dynamic covalent bonds and supramolecular action, the packaging paper is endowed with extremely high strength and toughness and excellent oil and moisture resistance and heat sealability, meanwhile, it is ensured that the packaging paper can be completely biodegraded in the natural environment, and functional replacement of traditional plastic packaging is successfully achieved.
Owner:ZHEJIANG KAIFENG NEW MATERIAL CO LTD

High-strength and high-toughness brass material and preparation method thereof

ActiveCN121537872AAnodisationElectrolytic inorganic material coatingPolymer sciencePlasma electrolytic oxidation
The invention relates to the technical field of brass materials, in particular to a high-strength and high-toughness brass material and a preparation method thereof.The preparation method comprises the steps that a porous oxide film layer is prefabricated on the surface of brass through plasma electrolytic oxidation, and an oxide film layer doped with double-bond silver-loaded graphene oxide is constructed on the surface of the brass; the preparation method comprises the following steps: firstly, preparing modified MXene, then preparing a photocurable hole sealing coating for hole sealing treatment, introducing double-bond silver-loaded graphene oxide and the modified MXene as fillers into the photocurable hole sealing coating, firstly performing sulfhydrylation on the MXene by using 3-mercaptopropyltriethoxysilane, and then grafting a double-bond-containing bis-benzimidazole ring derivative through light click to obtain the modified MXene; vinyl-terminated polyurethane is used as a cross-linking agent, o-phenyl phenoxyethyl acrylate, butyl acrylate, glycidyl methacrylate and octadecyl acrylate are compounded to serve as an acrylic monomer, a diluent and a solvent are introduced, a complex cross-linked network is constructed, and the service life of the brass material is prolonged.
Owner:SHAANXI PROVINCE MILITARY GRP SHAANXI COPPER

Low-dielectric optical transparent adhesive film and preparation method thereof

The invention discloses a low-dielectric optical transparent adhesive film and a preparation method thereof, and relates to the field of adhesive films. When the low-dielectric optical transparent adhesive film is prepared, nano silicon dioxide sequentially reacts with 2-(4-chlorosulfonylphenyl) ethyltrimethoxysilane and 2, 2 ', 4, 4'-tetrahydroxybenzophenone, and modified silicon dioxide is prepared; the modified silicon dioxide, 4-vinylpyridine, allyltrimethoxysilane, 2-ethylhexyl acrylate, butyl acrylate, hydroxyethyl acrylate, diallyl phosphate and isophorone diisocyanate are subjected to a reaction, then ferric chloride is added, a polytetrafluoroethylene plate is coated and cured, and an adhesive film matrix is prepared; and carrying out surface treatment on the adhesive film substrate by using dimethoxydimethylsilane to prepare the low-dielectric optical transparent adhesive film. The low-dielectric optical transparent adhesive film prepared by the invention has flame-retardant, durable and waterproof capabilities.
Owner:SICHUAN ZHONGJIU GUOFENG TECH CO LTD +1

Low-cost ammonia-free waterproof emulsion as well as preparation method and application method thereof

The invention discloses a low-cost ammonia-free waterproof emulsion as well as a preparation method and an application method thereof, and belongs to the technical field of cement coatings. Comprising the following steps: mixing and stirring an emulsifier, a monomer and deionized water to obtain a pre-emulsion; adding deionized water into the reaction kettle to obtain a kettle bottom material; adding 0.9% of the pre-emulsion and an initiator a into the kettle bottom material in a stirring state, dropwise adding the rest of the pre-emulsion and the initiator b at the same time after 15 minutes, controlling the pre-emulsion and the initiator b to be dropwise added at the same time, and keeping the temperature after dropwise adding is finished; adding an oxidizing agent and a reducing agent to eliminate residual monomers, then adding a neutralizing agent to adjust the pH value, and adding an auxiliary agent; wherein the emulsifier comprises an anionic emulsifier and a nonionic emulsifier in a mass ratio of (2-3): 1; the monomers comprise styrene, butyl acrylate and functional monomers, and the functional monomers are hydroxyethyl acrylate and beta-acryloyloxypropionic acid. The low-cost ammonia-free polymer cement waterproof coating prepared from the emulsion disclosed by the invention has the advantages of low cost, environmental friendliness, good constructability and excellent mechanical properties.
Owner:SHANGHAI BAOLIJIA NEW MATERIAL CO LTD

Polypropylene woven bag and its preparation method

The application discloses a polypropylene woven bag and a preparation method thereof. The polypropylene woven bag is woven by a woven material, and the woven material comprises the following components in parts by weight: polypropylene 90-110 parts, alumina whisker 8-12 parts, carbon nanotube with surface modified polydopamine 0.5-1 part, calcium stearate lubricant 0.5-1 part, ethylene-butyl acrylate-maleic anhydride terpolymer compatibility agent 5-10 parts, and antioxidant 0.3-0.6 part. The preparation method comprises the following steps: adding the components of the woven material into a high-speed mixer, and mixing to obtain a mixture; feeding the mixture into an extruder, and performing melting extrusion, cooling, stretching and setting to prepare polypropylene flat filaments; cross-weaving the polypropylene flat filaments into woven cloth, performing pattern printing on the surface of the woven cloth, and then sequentially performing cutting, sewing or bonding to seal the bottom, so that the polypropylene woven bag is prepared. The polypropylene woven bag obtained by the method has excellent wear resistance and good toughness.
Owner:WENZHOU KANGTIAN PACKAGING CO LTD

Modified polyolefin film material as well as preparation method and application thereof

The invention relates to the technical field of metallocene polyolefin materials, and particularly discloses a modified polyolefin film material as well as a preparation method and application thereof. The film material is prepared from the following components in parts by weight: 50 to 70 parts of metallocene linear low-density polyethylene, 20 to 35 parts of ethylene-butyl acrylate copolymer, 15 to 25 parts of polyolefin elastomer, 5 to 15 parts of bio-based degradable polyester elastomer, 3 to 8 parts of reactive compatilizer, 5 to 15 parts of organic modified layered double hydroxide, 8 to 20 parts of composite flame retardant, 0.3 to 1.5 parts of antioxidant and 0.5 to 1.5 parts of lubricant. The preparation method comprises the steps of melt blending, casting extrusion, two-way stretching and the like. The thin film has low hardness, high elongation, low melting point and moderate mechanical strength, the performance of the thin film can accurately meet specific application requirements, and the thin film is particularly suitable for the field of composite fabric of clothes, bags, shoes, hats and the like with high requirements for touch feeling and elasticity.
Owner:ZHANGJIAJIE GEN Q NEW MATERIAL CO LTD

Hydrophilic acrylic pressure-sensitive adhesive

The invention relates to a hydrophilic acrylic pressure-sensitive adhesive. The pressure-sensitive adhesive comprises an acrylic copolymer, polyvinyl alcohol or a derivative thereof, a non-reactive surfactant and a neutralizer according to the solid content of an emulsion, the acrylic copolymer is obtained by copolymerization of n-butyl acrylate, 2-ethylhexyl acrylate, 2-hydroxyethyl acrylate, acrylic acid, methyl methacrylate and a boric acid functional monomer emulsion containing a 2, 1-benzoxaborazole group. The preparation method comprises the following steps: dropwise adding a pre-emulsion, lagging dropwise adding an initiator and carrying out thermal-insulation polymerization to obtain a copolymer emulsion, adding polyvinyl alcohol or a derivative thereof at a specific temperature, neutralizing to a specified pH value, and carrying out segmented drying to form the film. The hydrophilic acrylic pressure-sensitive adhesive disclosed by the invention has both hydrophilicity and wet stability while keeping the adhesion performance.
Owner:HUZHOU LVTIAN NEW MATERIAL CO LTD

A gradient temperature control method for a n-butyl acrylate refining process

The application relates to the technical field of refining of acyclic compounds, and discloses a gradient temperature control method for a n-butyl acrylate refining process, which comprises the following steps: adding a polymerization inhibitor component to a crude product, obtaining a light-removing material through preliminary rectification; adjusting the pressure of a heated area and introducing oxygen-containing micro-bubble flow to maintain the free radical quenching activity in the liquid phase boundary layer; and based on the current increment of a wiped film driving current, adjusting the shear strength in real time, physically destroying the fluid viscous structure to lock the liquid film thickness distribution, solving the bottleneck that the polymerization inhibition fails due to the dissolution oxygen resolution under an extremely low pressure environment, realizing deep coupling of chemical inhibition and phase change mass transfer through the synergy of physical disturbance generated by micro-bubble expansion and rupture and an in-situ compensation mechanism of oxygen molecules, eliminating the risk of coking on a heated surface from a bottom logic, and guaranteeing the chemical stability of a monomer recovery process.
Owner:JINJIANG TAIXING CHEM IND CO LTD +3

PET (Polyethylene Terephthalate) material as well as preparation method and application thereof

The invention relates to a PET material as well as a preparation method and application thereof. The PET material is prepared from the following components in parts by weight: 75 to 95 parts of PET resin, 2 to 10 parts of PCTG, 3 to 8 parts of flexibilizer, 2 to 5 parts of glass flake and 0.2 to 1 part of poly alkyl glycol dibenzoate. The toughening agent comprises an ethylene-methacrylic acid copolymer and / or ethylene-butyl acrylate. According to the PET material provided by the invention, the PET resin and the PCTG are taken as base materials, the ethylene-methacrylic acid copolymer and / or ethylene-butyl acrylate are / is taken as a toughening unit, the glass flakes are taken as a reinforcing framework, and the poly alkyl glycol dibenzoate is taken as a crystallization inhibitor, so that the PET material has good transparency through the design of all the components; meanwhile, the PET material has good strength and rigidity and can well meet the high-performance requirements of the fields of low-temperature food packaging industry and the like on the PET material.
Owner:SHANGHAI KINGFA SCI & TECH +1

Waterproof decorative integrated paint and preparation method thereof

The application discloses waterproof and decorative integrated paint and a preparation method thereof. The paint comprises silicone emulsion, acrylic emulsion, pigment, heavy calcium carbonate, sheeted kaolin, silicon powder, modified graphene oxide, nano silicon dioxide, ethylene glycol, ultraviolet absorber, light stabilizer, heat stabilizer, dispersant, hydrophobic agent, film forming aid, defoaming agent, leveling agent, thickening agent, preservative and water. The acrylic emulsion is obtained by polymerization reaction of methyl methacrylate, cyclohexyl methacrylate, butyl acrylate, lauryl methacrylate, hydroxyethyl methacrylate, glycidyl methacrylate, acrylic acid and KH-570. The modified graphene oxide is obtained by modification of graphene oxide by beta-cyclodextrin and vinyltrimethoxysilane. The waterproof and decorative integrated paint provided by the application has the functions of waterproofing and decoration, and has excellent weather resistance, stain resistance and bonding strength.
Owner:ANHUI KECHUANGMEI COATING TECH CO LTD

Preparation process and application of modified polymer-based oil polish

The invention discloses a preparation process and application of modified polymer-based oil polish, and the preparation process comprises the following steps: adding deionized water into a reactor, adding an emulsifier and modified silicon dioxide, adding part of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, and uniformly stirring; adding an ammonium persulfate aqueous solution for reaction, dropwise adding the residual parts by mass of methyl methacrylate, ethyl acrylate, butyl acrylate and acrylic acid, heating for reaction after the dropwise addition of the monomer is completed, cooling to room temperature after the reaction is completed, and filtering to obtain a modified acrylate emulsion; uniformly mixing the modified acrylate emulsion, a flatting agent, a wetting agent, a coalescing agent, a defoaming agent and deionized water, and filtering to obtain the modified polymer-based oil polish. The oil polish disclosed by the invention has excellent leveling property, high glossiness and good wear resistance.
Owner:HENAN ZHONGLINGYU NEW MATERIAL TECH CO LTD

Improved process for producing high-purity butyl acrylate

The present invention relates to the production of butyl acrylate by direct esterification of acrylic acid with butanol, this reaction being catalyzed by sulfuric acid. More specifically, it relates to an improved process for producing butyl acrylate, enabling high-purity butyl acrylate to be obtained, by upgrading both the Michael adducts formed during this process, by thermal and catalytic cracking, in the form of reactants and ester which can be recycled in the process, and the final residue, by hydrothermal gasification in the form of methane and mineral salts.
Owner:ARKEMA FRANCE SA

Sterilizing anticorrosive composite coating and preparation method thereof

The invention provides a bactericidal anticorrosive composite coating and a preparation method thereof. The composite coating is obtained by reacting and curing raw materials including epoxy resin, an antibacterial substance based on a Schiff base structure and a curing agent, the antibacterial substance based on the Schiff base structure is characterized in that the antibacterial substance based on the Schiff base structure is obtained by carrying out a Schiff base reaction on components including polyethyleneimine and an aldehyde antibacterial agent. In some embodiments, the feedstock further includes a functional polymer PBFGn; the functional polymer PBFGn is obtained by carrying out free radical copolymerization reaction on components including butyl acrylate, hexafluorobutyl methacrylate and glycidyl methacrylate. According to the preparation method of the composite coating, efficient antibacterial components are stably integrated into a tough polymer network through a chemical method and automatically migrate to the surface, and long-acting and stable anti-corrosion and antibacterial effects and improved mechanical properties can be achieved.
Owner:JIMEI UNIV

Modified starch-based temporary plugging agent suitable for oil-based drilling fluid as well as preparation method and application of modified starch-based temporary plugging agent

The invention provides a modified starch-based temporary plugging agent suitable for oil-based drilling fluid as well as a preparation method and application of the modified starch-based temporary plugging agent. The preparation method of the modified starch-based temporary plugging agent comprises the following steps: adding starch sodium octenylsuccinate into water, uniformly stirring, then adding acrylamide, butyl acrylate, 2-acrylamido-2-methylpropanesulfonic acid and N, N '-methylene bisacrylamide, uniformly stirring, and adjusting the pH value to 6-8 to obtain a water phase; adding the emulsifier into the white oil, and uniformly stirring to obtain an oil phase; adding the water phase into the oil phase, and emulsifying to obtain an emulsion; adding an initiator into the obtained emulsion, and reacting to obtain a reaction solution; and adding ethanol into the obtained reaction liquid for precipitation, centrifuging, washing, drying and grinding to obtain the product. The temporary plugging agent disclosed by the invention is stable in dispersion in an oil-based drilling fluid system, high in high-temperature plugging capacity, capable of efficiently plugging a high-permeability channel and automatically degrading, and capable of meeting the plugging and reservoir protection requirements of the deep well oil-based drilling fluid.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Water-based coating for aluminum material protection and preparation method thereof

The application provides an aluminum material protection water-based paint and a preparation method thereof, and belongs to the technical field of paints. A monomer A is prepared by condensation of maleic acid through an ionic liquid, and copolymerization of hexafluorobutyl acrylate hydroxyethyl ester and butyl acrylate to obtain a polymer; a solution is prepared by stirring and mixing phosphoric acid, chromium trioxide and aluminum dihydrogen phosphate; a suspension is prepared by mixing water and magnesium oxide; the suspension is added dropwise into the solution to react, magnesium powder and the polymer are added, a dispersing agent and a leveling agent are added, and the mixture is uniformly mixed to obtain the aluminum material protection water-based paint. The aluminum material protection water-based paint prepared by the application has good corrosion resistance, good adhesion, good mechanical properties and hardness, good antibacterial, flame-retardant and high-temperature resistance, improved leveling and film-forming properties of the paint, reduced coating film defects, and a wide application prospect.
Owner:HUAIHUA UNIV

A formaldehyde-free modified guar gum wood adhesive, its preparation method and application

This invention discloses a formaldehyde-free modified guar gum wood adhesive, its preparation method, and its application, belonging to the field of wood adhesive technology. It aims to solve the problems of environmental pollution caused by traditional formaldehyde-containing adhesives and the poor water resistance and insufficient bonding strength of guar gum itself. The method includes: dissolving guar gum and then oxidizing and degrading it with hydrogen peroxide, followed by activation with a silane coupling agent, reinforcement with polyvinyl alcohol, and modification by butyl acrylate graft copolymerization. Finally, a cross-linking reaction is carried out simultaneously with the addition of a wood interface modifier composed of sodium lignosulfonate, quaternized chitosan, nano-cellulose whiskers, and nano-zirconia supported zirconium phosphate. The reaction environment is optimized by adjusting the pH of the system to 6.0-6.5. The adhesive obtained by this invention is environmentally friendly and formaldehyde-free, suitable for high-strength bonding of eucalyptus plywood.
Owner:GUANGXI UNIV +1

Negative photoresist composition as well as preparation method and application thereof

The invention provides a negative photoresist composition as well as a preparation method and application thereof. The negative photoresist composition is prepared from the following components in parts by weight: 15 to 55 parts of acrylic resin, 6 to 25 parts of a photoinitiator, 5 to 30 parts of a cross-linking agent and 20 to 60 parts of a solvent, the acrylic resin is obtained by carrying out polymerization reaction on a framework monomer, a functional monomer and an adjusting monomer; the skeleton monomer comprises dicyclopentyl methacrylate and a maleimide monomer; the functional monomer comprises a 4-isopropenyl phenol monomer; the adjusting monomer comprises a methacrylic acid monomer, a butyl acrylate monomer and alpha-methyl styrene. According to the invention, by introducing rigid monomers such as dicyclopentyl methacrylate and maleimide monomers, the acrylic resin with high steric hindrance and a rigid main chain is constructed, the Tg of the polymer is effectively increased, the photoresist is ensured to be still stable at high temperature, and pattern deformation is prevented.
Owner:SUZHOU KAIXIN SEMICONDUCTOR MATERIALS CO LTD

PMMA / ASA alloy resin composition as well as preparation method and application thereof

The invention relates to the technical field of high polymer materials, and particularly discloses a PMMA / ASA alloy resin composition and a preparation method and application thereof, and the PMMA / ASA alloy resin composition comprises the following components by weight: 40-60 parts of PMMA resin; 10 to 30 parts of ASA rubber powder; 10 to 30 parts of PC resin; 5 to 15 parts of compatilizer; 1-5 parts of a coloring agent; 0.1 to 1 part of an antioxidant; 0.1 to 1 part of a lubricant; 0.1-1 part of a weather-resistant agent; wherein the ASA rubber powder is of a core-shell structure, the core is butyl acrylate copolymerized silicon, the shell is a methyl methacrylate copolymer, and the particle size of the rubber is 100-150 nm. The PMMA / ASA alloy resin composition provided by the invention overcomes the defect of insufficient heat resistance of PMMA / ASA alloy materials in related technologies, greatly improves the impact resistance at the same time, also obtains good glossiness and blackness, has no fantasy color on the material surface, and is suitable for producing automobile exterior materials of high-end automobile products.
Owner:ZHEJIANG HONGAN NEW MATERIALS CO LTD +2

Anti-crack road marking paint suitable for high-cold region and preparation method thereof

The present application relates to a kind of anti-crack road marking paint suitable for alpine region and preparation method thereof, belong to the field of coating technology.The present application is by synthesizing allyl silicon modified pyridine quaternary ammonium salt monomer containing silicon atom, pyridine quaternary ammonium salt and branched fatty chain and spiro ring thioether quaternary ammonium salt monomer containing sulfide, carboxyl, quaternary ammonium salt and spiro ring structure, and two monomers and butyl acrylate, decyl acrylate are carried out emulsion polymerization reaction, and polyacrylate emulsion is prepared, then polyacrylate emulsion, rutile titanium dioxide, mica powder, talcum powder and alumina fiber are mixed, and road marking paint is prepared.The road marking paint of the present application has good adhesion, wear resistance, water resistance, alkali resistance, flexibility, glass bead firm adhesion and anti-freezing performance simultaneously.
Owner:JINXI TECHNOLOGY DEVELOPMENT CO LTD

Powder coating for photovoltaic panel frame as well as preparation method and application of powder coating

The invention relates to the technical field of powder coatings, and particularly discloses a powder coating for a photovoltaic panel frame as well as a preparation method and application of the powder coating. The powder coating provided by the invention is prepared from the following components in parts by weight: 50 to 80 parts of weather-resistant powder resin, 1 to 10 parts of curing agent, 0.1 to 5 parts of catalytic promoter, 5 to 20 parts of filler, 1 to 2 parts of flatting agent and 0.5 to 25 parts of pigment, the weather-proof powder resin is a mixture of saturated polyester resin containing a terminal hydroxyl group, a methyl methacrylate-butyl acrylate copolymer and hydroxyl type polyurethane resin in a weight ratio of 1: (0.26-0.43): (0.43-0.87). The powder coating provided by the invention has the advantages of low curing temperature, good film-forming hardness and adhesive force and the like, and can meet the requirements of the composite material photovoltaic panel frame on the coating.
Owner:CANGZHOU NEWMAT ADVANCED MATERIALS TECH CO LTD +1

An external curing agent with passive anti-icing performance and a preparation method and application thereof

The application provides an external curing agent with passive anti-icing performance and a preparation method and application thereof, and belongs to the technical field of building materials.The external curing agent comprises a functional component and a basic component in a mass ratio of (80-83):129.2, wherein the functional component comprises methyl acryloyloxy functionalized Co3O4, modified polydimethylsiloxane, perfluorooctyl methacrylate, methyl methacrylate and isooctyl acrylate, and the basic component comprises water, an emulsifier, a pH buffer, N-hydroxymethyl acrylamide, butyl acrylate and an initiator.The application realizes the synergistic effect of anti-icing, water retention and strength enhancement through nano-functionalization and fluorosilicon hydrophobic modification in combination with precise proportioning of soft and hard monomers, and the prepared curing agent is suitable for concrete curing in a cold environment (0 DEG C to -15 DEG C), can maintain film stability under low-temperature conditions, prevents surface icing while blocking water evaporation, and solves the problem of early concrete frost damage.
Owner:SHIJIAZHUANG CHANGAN YUCAI BUILDING MATERIALS +3

Preparation method and application of water-based heat insulation coating

The invention discloses a preparation method and application of a water-based heat insulation coating, belongs to the technical field of heat insulation coatings, and aims to solve the technical problem that the heat insulation performance, the water resistance and the ultraviolet radiation resistance of the water-based heat insulation coating in the prior art need to be further improved. The preparation method specifically comprises the following steps: modifying mixed powder with a silane solution to prepare an inorganic filler, adding methyl methacrylate, butyl acrylate, glycidyl methacrylate, hexafluorobutyl acrylate and olefin-terminated polysiloxane into an emulsion, and emulsifying and dispersing for 30-50 minutes. According to the method, the sol-gel modified inorganic filler and the alkenyl-terminated polysiloxane are introduced, the fluorine-containing and silicon-containing copolymer emulsion is prepared, and the sol-gel modified inorganic filler and the fluorine-containing and silicon-containing copolymer emulsion and the dispersing agent are compounded to form a film, so that the adhesive force and the water resistance of the water-based heat insulation coating are effectively improved, and the ultraviolet aging resistance and the heat insulation performance of the water-based heat insulation coating are also improved.
Owner:涂果新材料科技(江苏)有限公司