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31 results about "Tetrahydrofurfuryl methacrylate" patented technology
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Twenty-one different acrylate & methacrylate compounds, including tetrahydrofurfuryl methacrylate, were scanned for their ability to induce contact sensitivity, using 5 different sensitization protocols. contact reactions of varying intensities were produced to all the mono-, di-, and triacrylates tested.
Dual-pack adhesive and structural piece containing same
InactiveUS20160347975A1Good weather resistanceAvoid levelingNon-macromolecular adhesive additivesFilm/foil adhesivesElastomerAdhesive
An adhesive that exhibits superior adhesive strength on adhesive-resistant materials such as olefin elastomer substrates when cured at a comparatively high temperature of 35° C., and that is hot water resistant. A two-pack adhesive comprising (A) a primary agent containing (1) isobornyl methacrylate and (2) at least one type of monocyclic methacrylate selected from a group including phenoxyethyl methacrylate, tetrahydrofurfuryl methacrylate, and cyclohexyl methacrylate, and (B) an initiator containing an organoborane, with the adhesive containing from 40 to 200 parts by mass of the monocyclic methacrylate per 100 parts by mass isobornyl methacrylate.
Owner:3M INNOVATIVE PROPERTIES CO
Acrylate structural adhesive for bonding aluminum shell for flame-retardant power battery and preparation method of acrylate structural adhesive
ActiveCN108084896APrevent overflowSufficient reaction speedNon-macromolecular adhesive additivesMacromolecular adhesive additivesAdhesiveThiourea
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.
Owner:HUBEI HUITIAN NEW MATERIALS STOCK CO LTD +3
Preparation of novel all acrylate block thermoplastic elastomer
The invention provides a novel all acrylate block thermoplastic elastomer, comprising a rubber phase and a hard phase. The novel all acrylate block thermoplastic elastomer is characterized in that therubber phase is provided by a copolymer composed of lauryl methacrylate (LMA) and the hard phase is provided by a copolymer of tetrahydrofurfuryl methacrylate (THFMA). The thermoplastic elastomer isprepared through reversible addition-fragmentation chain transfer polymerization (RAFT) of lauryl methacrylate and tetrahydrofurfuryl methacrylate. A weight ratio of the rubber phase to the hard phaseis 20: 80 to 60: 40. According to the invention, the thermoplastic elastomer with controllable mechanical properties can be prepared by adjusting the contents of lauryl methacrylate and tetrahydrofurfuryl methacrylate in the thermoplastic elastomer so as to adapt to demands of different application fields. The novel all acrylate block thermoplastic elastomer provided by the invention has excellent temperature stability in a temperature range of -10 to 70 DEG C, excellent oil resistance and especially high elongation at break, and is applicable to members prepared through injection molding, extrusion and blow molding.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
Fibrous acrylic resin and preparation method thereof
InactiveCN108034019AHigh oil absorptionImprove oil absorption efficiencyMonocomponent synthetic polymer artificial filament(Hydroxyethyl)methacrylateAcrylic resin
The invention relates to fibrous acrylic resin and a preparation method thereof, and belongs to the technical field of oil absorption resins. The acrylic resin comprises the following components in parts by weight: 25-30 parts of tetrahydrofurfuryl methacrylate, 15-20 parts of 2-hydroxyethyl methacrylate, 15-20 parts of cyclohexyl methacrylate, 20-30 parts of 3-methyl-1-butanol, 10-15 parts of petroleum ether, 1-3 parts of dilauroyl peroxide, 1-3 parts of sodium dodecyl sulfate, 800-1000 parts of deionized water, 30-40 parts of xylene, and 30-40 parts of dimethyl acetamide. Tetrahydrofurfurylmethacrylate, 2-hydroxyethyl methacrylate, and cyclohexyl methacrylate are used as main polymerization monomers, and copolymerization technology is used for preparing the acrylic acid oil absorption resins with a certain physical crosslinking structure. Gelation spinning technology is used for preparing the fibrous terpolymeric acrylic resin, and the resin has excellent oil absorption performanceand high oil absorption efficiency.
Owner:CHENGDU JINHUI TECH
Multilayer adhesive article
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.
Owner:3M INNOVATIVE PROPERTIES CO
Photocurable compositions having variable viscosities
The present disclosure provides photocurable compositions comprising 20-90% by weight of a polymerizable core resin; 20-90% by weight of a diluent resin miscible with said core resin; and at least about 1 % by weight of at least one rheology modifier which is distinct from said diluent resin. Rheology modifiers of the present disclosure include compounds which may form covalent bonds with the core resin or diluent resin and compounds which have a particle size of 1-200 nm. Rheology modifiers which may form covalent bonds have at least one terminal functional group selected from the group consisting of acrylates, methacrylates, epoxides, oxetanes, nitriles, alkenes and alkynes. In a preferred embodiment, tetrahydrofurfuryl methacrylate, methacryl polyhedral oligomeric silsesquioxane (i.e. POSS) cage and PEG POSS cage molecules are employed as the rheology modifiers.
Owner:AGENCY FOR SCI TECH & RES
High-hardness polishable acrylate two-component structural adhesive for repairing and preparation method of high-hardness polishable acrylic acid two-component structural adhesive
InactiveCN113372867AEfficient patchingStorage stability at room temperatureNon-macromolecular adhesive additivesPolyureas/polyurethane adhesivesElastomerPolymer science
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.
Owner:LUDONG UNIVERSITY
Heat conducting glue for water cooling radiator and preparation method thereof
InactiveCN106554724AEasy to useAvoid quality hazardsNon-macromolecular adhesive additivesOrganic non-macromolecular adhesiveBenzoyl peroxideHeat conducting
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.
Owner:池州脉纬散热器有限责任公司
Two-part adhesive comprising phenoxyethyl methacrylate and tetrahydrofurfuryl methacrylate, and structure including cured material thereof
ActiveCN107922788AImprove adhesion strengthSynthetic resin layered productsOrganic non-macromolecular adhesiveRoom temperatureAdhesion strength
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.
Owner:3M INNOVATIVE PROPERTIES CO
Ethyl ester and furfuryl carboxylate based flame-retardant storage battery sealant and preparation method
InactiveCN106118504AReduce generationReduce gapNon-macromolecular adhesive additivesOrganic non-macromolecular adhesiveAminoethyl methacrylateGas phase
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.
Owner:哈尔滨永淇化工有限公司
A method of making dental articles
Owner:AGENCY FOR SCI TECH & RES
Release agent for reactive hot melt resin
InactiveUS20200172651A1Good release effectImprove repair effectAdhesive processesOther chemical processesBenzoic acidPolymer science
The present invention provides a release agent for a reactive hot melt resin, wherein a dispersion term (δD) in the Hansen solubility parameters falls within the range of 14.0 to 21.0 MPa0.5, a dipole interaction force term (δP) falls within the range of 0 to 10.5 MPa0.5, and a hydrogen bond term (δH) falls within the range of 0 to 13.5 MPa0.5. Preferably, the adhesive for a reactive hot melt resin is at least one type of solvent selected from a group consisting of benzoic acid esters, tetrahydrofurfuryl alcohol, and tetrahydrofurfuryl (meth)acrylate. The reactive hot melt resin preferably contains an urethane prepolymer having an isocyanate group, and the urethane bond content in the urethane prepolymer is preferably within the range of 0.1 to 3 mol / kg.
Owner:DAINIPPON INK & CHEM INC
Low-viscosity and high-thixotropy composition
ActiveCN114045060AImprove solubilityWeak solvencyMacromolecular adhesive additivesCoatingsPolymer science(Hydroxyethyl)methacrylate
The invention relates to a low-viscosity and high-thixotropy composition which comprises a component A and a component B, and the mass ratio of the component A to the component B is 1:1-5:1; the component A is one or a mixture of more of methyl methacrylate, 2-methyl-2-acrylic acid-2-hydroxyethyl phosphate, tetrahydrofurfuryl methacrylate, hydroxyethyl methacrylate and hydroxypropyl methacrylate; and the component B is one or a composition of more of a terpolymer ABS, a block copolymer SBS and a core-shell structure copolymer MBS. According to the prepared composition, by adjusting the adding proportion of the copolymer resin in the acrylic resin, dissolved copolymer molecules can reach a microphase separation state, macroscopically, and the composition is in a uniform and stable non-layering and non-precipitation state; and meanwhile, the composition has the characteristics of low viscosity and high thixotropy.
Owner:YANTAI DARBOND TECH
Water-based acrylic emulsion as well as preparation method and application thereof
PendingCN112409531AImprove adhesionImprove wettabilityFireproof paintsIsooctyl acrylateDiacetonamine
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.
Owner:HUIZHOU CITY HUIYANG DISTRICT JIATAI PAINT CO LTD
Photosensitive dry film and preparation method thereof
PendingCN114456425AImprove adhesionStrong resistCoatingsPhotosensitive materials for photomechanical apparatusPolymer scienceAcrylic resin
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.
Owner:广东诚展科技股份有限公司
Dual-pack adhesive and structural piece containing same
InactiveCN106029810AImprove adhesion strengthAdhesive Strength RetentionNon-macromolecular adhesive additivesFilm/foil adhesivesElastomerAdhesive
An adhesive exhibits superior adhesive strength on adhesive-resistant materials such as olefin elastomer substrates when cured at a comparatively high temperature of 35 DEG C, and is hot water resistant. A two-pack adhesive comprises (A) a primary agent containing (1) isobornyl methacrylate and (2) at least one type of monocyclic methacrylate selected from a group including phenoxyethyl methacrylate, tetrahydrofurfuryl methacrylate, and cyclohexyl methacrylate, and (B) an initiator containing an organoborane, with the adhesive containing from 40 to 200 parts by mass of the monocyclic methacrylate per 100 parts by mass isobornyl methacrylate.
Owner:3M INNOVATIVE PROPERTIES CO
UV curable epoxy/acrylate adhesive composition
ActiveCN107709497BImproved cold flow propertiesExcellent Adhesive PropertiesMonocarboxylic acid ester polymer adhesivesNon-macromolecular adhesive additivesEpoxyPolymer science
Owner:3M INNOVATIVE PROPERTIES CO
Release agent for reactive hot melt resin
ActiveCN110770313AExcellent peelabilityExcellent reworkabilityAdhesive processesOther chemical processesBenzoic acidPolymer science
The present invention provides a release agent for a reactive hot melt resin, the release agent being characterized in that in the Hansen solubility parameter, the dispersion component ([delta]D) falls within the range 14.0-21.0 MPa0.5, the dipole-dipole force component ([delta]P) falls within the range 0-10.5 MPa0.5, and the hydrogen bonding component ([delta]H) falls within the range 0-13.5 MPa0.5. This adhesive for a reactive hot melt resin is preferably one or more solvents selected from the group consisting of benzoic acid esters, tetrahydrofurfuryl alcohol and tetrahydrofurfuryl (meth)acrylate. This reactive hot melt resin preferably contains an isocyanate group-containing urethane prepolymer, and the content of urethane bonds in the urethane prepolymer preferably falls within the range 0.1-3 mol / kg.
Owner:DIC CORP
Process for preparing a polymer dispersion
InactiveUS20060229401A1Non-fibrous pulp additionNatural cellulose pulp/paperPolymer scienceOrganic solvent
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.
Owner:AKZO NOBEL NV
Preparation method of efficient diesel pour point depressant
ActiveCN107384491ALowering the freezing pointGood oil solubilityLiquid carbonaceous fuelsFuel additivesDepressantOil additive
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.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
A kind of acrylate adhesive for power battery packaging
ActiveCN106634633BPrevent overflowAvoid causing concentrated heat releaseNon-macromolecular adhesive additivesMacromolecular adhesive additivesToluidineThiourea
The invention discloses an acrylic ester adhesive for power battery encapsulation and relates to the field of acrylic ester structural adhesives. The acrylic ester adhesive comprises 1 part of an oxidizing agent and 0.5 to 3 parts of a reducing agent, wherein the oxidizing agent comprises 40 to 60 parts of tetrahydrofurfuryl methacrylate, 5 to 10 parts of methyl methacrylate, 5 to 10 parts of chlorosulfonated polyethylene, 1 to 5 parts of trimethylolpropyltriacrylate, 0.5 to 3 parts of a stabilizing agent, 5 to 8 parts of isopropyl benzene hydroperoxide and 2 to 4 parts of fumed silica; and the reducing agent comprises 40 to 60 parts of tetrahydrofurfuryl methacrylate, 5 to 10 parts of methyl methacrylate, 5 to 10 parts of SBS, 1 to 4 parts of thiourea, 0.5 to 3 parts of N,N-dihydroxyethyl-p-toluidine, 1 to 6 parts of methacrylic acid, 0.5 to 2 parts of a stabilizing agent, 2 to 4 parts of fumed silica and 1 to 3 parts of a defoaming agent. The acrylic ester adhesive for power battery encapsulation is low in heat release during use, the internal structure of the adhesive after encapsulation molding is uniformly, air holes and ripple are avoided, and the safe reliability of the battery can be improved.
Owner:湖北回天新材料(宜城)有限公司 +1
Process for preparing a polymer dispersion
InactiveUS7220339B2Non-fibrous pulp additionNatural cellulose pulp/paperPolymer scienceOrganic solvent
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.
Owner:AKZO NOBEL NV
Process for preparing a polymer dispersion
The present invention relates to a process for preparing an aqueous polymer dispersion which comprises polymerising one or more water-soluble monomers in an aqueous solution of salt in the presence of a dispersant polymer, wherein the dispersant polymer is a co-polymer of a monomer mixture (M) comprising at least one cationic monomer and at least one monomer 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, where, the monomer mixture (M) is being substantially free from monomers which are not soluble in water and / or the dispersant polymer is obtainable by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solvents. The invention also relates to an aqueous polymer dispersion, use of the dispersion and a process for the production of paper.
Owner:AKZO NOBEL NV
Multilayer Adhesive Products
ActiveCN110023073BExcellent Adhesive PropertiesAdhesive processesFilm/foil adhesivesEpoxyPolymer science
The present invention describes an adhesive article 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 hydroxyl-functional film-forming polymer. Adhesives are available in structural and semi-structural bonding applications and are designed to fail cohesively.
Owner:3M INNOVATIVE PROPERTIES CO
Process for preparing a polymer dispersion
The present invention relates to a process for preparing an aqueous polymer dispersion which comprises polymerising one or more water-soluble monomers in an aqueous solution of salt in the presence of a dispersant polymer, wherein the dispersant polymer is a co-polymer of a monomer mixture (M) comprising at least one cationic monomer and at least one monomer 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, where, the monomer mixture (M) is being substantially free from monomers which are not soluble in water and / or the dispersant polymer is obtainable by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solvents. The invention also relates to an aqueous polymer dispersion, use of the dispersion and a process for the production of paper.
Owner:AKZO NOBEL NV
A kind of preparation method of high-efficiency diesel oil pour point depressant
ActiveCN107384491BLowering the freezing pointGood oil solubilityLiquid carbonaceous fuelsFuel additivesOil additiveEconomic benefits
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.
Owner:ANHUI POLYTECHNIC UNIV
A kind of acrylic structural glue bonded to the aluminum casing of flame-retardant power battery and its preparation method
ActiveCN108084896BPrevent overflowSufficient reaction speedNon-macromolecular adhesive additivesMacromolecular adhesive additivesPolymer scienceMeth-
Owner:HUBEI HUITIAN NEW MATERIALS STOCK CO LTD +3
Process for preparing a polymer dispersion
InactiveUS7091273B2Improve stabilityReduce processing viscosityNon-fibrous pulp additionPaper/cardboardPolymer scienceHydrogen
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.
Owner:AKZO NOBEL NV
Binary adhesives comprising phenoxyethyl methacrylate and tetrahydrofurfuryl methacrylate, including structures of cured materials thereof
InactiveCN107922788BImprove adhesion strengthSynthetic resin layered productsOrganic non-macromolecular adhesivePolymer scienceAdhesion strength
The present disclosure provides a two-part adhesive capable of adhering over a wide temperature range near room temperature and exhibiting excellent adhesion on poorly adhering substrates including silicone rubber and the like strength. In some embodiments, the binary adhesive comprises: a main agent comprising phenoxyethyl methacrylate and tetrahydrofurfuryl methacrylate; and an initiator comprising organoborane; wherein the relative Based on the mass of the polymerizable component, the main ingredient contains 60% to 95% by mass of phenoxyethyl methacrylate.
Owner:3M INNOVATIVE PROPERTIES CO
Active energy ray-curable ink and method for producing printed matter
ActiveCN110573583BExcellent adhesionSuitable for manufacturing occasionsDuplicating/marking methodsInksPolymer scienceMeth-
Owner:DIC CORP
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