30 results about "Tetrahydrofurfuryl methacrylate" patented technology

The invention discloses an acrylate structural adhesive for bonding an aluminum shell for a flame-retardant power battery. The acrylate structural adhesive is prepared from an oxidant component and areducing agent component, wherein a volume ratio of the oxidant component to the reducing agent component is 1 to 1, and the oxidant component is prepared from isobornyl methacrylate, 2-phenoxyethyl acrylate, 3,3,5-trimethylcycloethane methacrylate, nitrile rubber, a methyl methacrylate-butyl acrylate diblock copolymer, a flame retardant, peroxide, and a stabilizer; the reducing agent component isprepared from tetrahydrofurfuryl methacrylate, isooctyl methacrylate, 2-hydroxyethyl methacrylate phosphate, carboxy-terminated modified chloroprene rubber, a methyl methacrylate-butyl acrylate diblock copolymer, a flame retardant, substituted thiourea, cobalt naphthenate, an additive and a stabilizer. The invention also discloses a preparation method. When the acrylate structural adhesive is used, the amount of heat release is low, no pores and lines appear on the surface of an adhesive layer, and the flame retardant effect can also be achieved, thereby effectively improving the safety and reliability of the battery.

An adhesive article is described comprising a foamed adhesive layer and a non-foamed adhesive layer. The adhesive of each adhesive layer comprises a tetrahydrofurfuryl (meth)acrylate copolymer; an epoxy resin; a polyether polyol; and optionally a hydroxy-functional film-forming polymer. The adhesive may be used in structural and semi-structural bonding applications and is designed to fail cohesively.

The invention discloses a high-hardness polishable acrylate two-component structural adhesive for repairing and a preparation method thereof, and relates to the technical field of structural adhesives, in particular to the high-hardness polishable acrylate two-component structural adhesive for repairing and the preparation method of the high-hardness polishable acrylate two-component structural adhesive. The invention provides a methacrylate structural adhesive on the first aspect. The methacrylate structural adhesive comprises a component A and a component B, wherein the component A comprises methoxymethyl methacrylate, a prepolymer, an elastomer, an aniline substance, a stabilizer, a coupling agent and fumed silica; and the component B comprises tetrahydrofurfuryl methacrylate, a prepolymer, an elastomer, peroxide, a stabilizer and a coupling agent. The methacrylate structural adhesive disclosed by the invention is good in hardness, good in adhesive force, capable of being polished, low in odor, relatively good in storage performance and beneficial to prolonging the storage life of the structural adhesive; the structural adhesive is relatively good in water resistance, so that the service life of the structural adhesive is prolonged.

The invention discloses a heat conducting glue for a water cooling radiator. The heat conducting glue is composed of a matrix, a heat conducting filler and a curing agent. The matrix is composed of the following components: 15-80 of hydroxypropyl methacrylate, 15-80 of methacrylic acid-2-hydroxyethyl, and 60-300 of tetrahydrofurfuryl methacrylate. The heat conducting filler is composed of the following components: 200-340 of alumina, 50-85 of silicon carbide, 200-340 of silicon dioxide, and 50-85 of carbon powder. The curing agent is composed of 10-50 of benzoyl peroxide. The heat conducting glue provided by the invention belongs to single-component heat conducting glue, is more convenient for use than two-component glue, has no need for stirring during use, avoids the potential quality hazard caused by uneven stirring, can be applied to polar substrate surfaces, like metals, ceramics and glass, etc., has high shearing strength after curing and fast curing speed, fills the space between a radiator copper pipe and an aluminum block, can firmly fix the copper pipe on the aluminum block, and has high heat conducting efficiency.

A two-part adhesive that enables adhesion in a wide temperature range near room temperature and exhibits an excellent adhesion strength on a poorly-adhesive substrate including a silicone rubber or the like. In some embodiments, the two-part adhesive includes: a main agent including phenoxyethyl methacrylate and tetrahydrofurfuryl methacrylate; and an initiator including an organoborane; wherein the main agent includes the phenoxyethyl methacrylate at 60 to 95% by mass with reference to a mass of a polymerizable component.

The invention discloses an ethyl ester and furfuryl carboxylate based flame-retardant storage battery sealant and a preparation method. The sealant contains a component A and a component B. The component A is prepared from 2-aminoethyl methacrylate, a solvent, dinonyl phthalate, antimony trioxide, a reinforcing filler, an antioxidant and chlorosulfonated polyethylene. The component B is prepared from tetrahydrofurfuryl methacrylate, acrylate rubber, benzyl dimethylamine, a phosphonate flame-retardant plasticizer, gas-phase silicon dioxide, a solvent, BYK-066N and r-amino propyl triethoxysilane. The adhesive containing two different components is prepared by conducting vacuum kneading on adhesives of the two components A and B and mixing in a reaction kettle. The raw materials in the components A and B are reasonably prepared to make the two components well bonded in the using process, internally produced air bubbles are decreased, adhesive gaps are decreased, meanwhile good fireproof and heat-insulation properties are added, the original liquidity of the adhesive is guaranteed, and the discharge of harmful substances is decreased.

The invention belongs to the technical field of polymer synthesis. A water-based acrylic emulsion comprises the following components: an acrylic acid soft monomer, an acrylic acid hard monomer, a functional monomer, a crosslinking monomer, an initiator, an emulsifier, a neutralizer, an assistant, a pH regulator and the balance of water, wherein the acrylic acid soft monomer is 2-ethylhexyl 2-propenoate and 2-ethylhexyl acrylate; the acrylic acid hard monomer is isobornyl methacrylate; the functional monomer is acrylic acid, methyl methacrylate and glycidyl methacrylate; and the cross-linking monomer is tetrahydrofurfuryl methacrylate, diacetone acrylamide and adipic dihydrazide. The water-based acrylic emulsion disclosed by the invention has good adhesive force, heat-resistant stability and resistance to chemicals, and the hardness, water resistance, scratch resistance and chemical resistance of a paint film can be improved when the water-based acrylic emulsion is applied to a water-based coating.

The invention relates to a photosensitive dry film and a preparation method thereof, the photosensitive dry film comprises the following components by weight: 35-45 parts of modified acrylic resin, 30-40 parts of a solvent, 1-3 parts of a photopolymerization initiator, and 40-55 parts of alkali-soluble resin, the alkali-soluble resin is composed of 5-10 parts of methacrylic acid, 10-20 parts of tetrahydrofurfuryl methacrylate, and 10-25 parts of 2-ethylhexyl methacrylate, the preparation method comprises the following steps: dissolving modified acrylic resin, a photopolymerization initiator and an alkali-soluble resin additive in a solvent according to a set proportion, stirring at 25 DEG C for 4 hours, and removing impurities by using a 500-mesh filter to obtain a photosensitive dry film solution; and coating a PET film with the stirred and filtered photosensitive dry film solution, and drying to obtain a photosensitive dry film finished product. The hot melt adhesive provided by the invention has relatively high adhesive force and strong corrosion resistance at the same time.

The invention relates to a preparation method of an efficient diesel pour point depressant, belonging to the technical field of oil additives. The preparation method comprises the following preparation processes: mixing the following raw materials: wisteria flower, hydrolyzed polymaleic anhydride, a maleic anhydride grafted vinyl acetate copolymer, amino trimethylene phosphonic acid, tetrahydrofurfuryl methacrylate and the like according to a certain proportion, extracting, stirring for carrying out a reaction, carrying out condensation, and the like so as to obtain the efficient diesel pour point depressant. The efficient diesel pour point depressant prepared by the method is excellent in pour point depression effect, and can obviously reduce the diesel pour point, improve low temperature fluidity and improve the diesel quality. The product prepared by the method is wide in applicability, good in storage safety and good in economic benefit, thus having a wide application prospect.

The present invention relates to a process for preparing an aqueous polymer dispersion comprising: preparing a dispersant co-polymer of a monomer mixture (M) by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solvents and/or substantially free from monomers which are not soluble in water, the monomer mixture (M) comprises at least one cationic vinyl monomer (m₃) and at least one monomer (m₄) which is tetrahydrofurfuryl acrylate, tetrahydrofurfuryl methacrylate, or a monomer of the general formula (I):

wherein R₁ is hydrogen or methyl, R₂ is hydrogen or C₁–C₂ alkyl, R₃ is hydrogen, C₁–C₄ alkyl, phenyl, or benzyl, n=1 to 4, and x=1 to 50, and then, polymerising one or more water-soluble monomers (m) in an aqueous solution of a salt in the presence of the obtained dispersant polymer. The invention also relates to an aqueous polymer dispersion, use of the dispersion and a process for the production of paper.