31 results about "Tetrahydrofurfuryl methacrylate" patented technology

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.

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 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.