448 results about "Copolymer composition" patented technology

The invention relates to the technical field of polymer composite materials, and discloses a nano-ceramic-based composite insulating coating and a preparation method thereof, and the coating is prepared from a composite resin matrix, a composite functional ceramic filler, a double-reactivity organosilicon linker and an initiator. Wherein the composite resin matrix is composed of vinyl-terminated polydimethylsiloxane and a vinyl ether functionalized fluorocarbon copolymer, and a soft and rigid interpenetrating network structure is formed. The composite functional ceramic filler is prepared from needle-shaped silicon nitride, flaky hexagonal boron nitride, nano silicon dioxide, nano cerium oxide and nano barium titanate. According to the invention, a chemical bonding interface is constructed between the inorganic filler and the organic resin, and the synergistic effect of the composite matrix and the multifunctional filler is optimized, so that the coating has excellent adhesive force, flexibility and thermal shock resistance, obtains high volume resistivity and breakdown strength, and meets the insulation protection requirements under harsh working conditions.

The present invention relates to a copolymer composition including a first copolymer including a vinyl alcohol monomer unit and a vinyl amine-based monomer unit, and a second copolymer including a vinyl alcohol monomer unit and an acrylic acid salt-based monomer unit, and to an anode slurry, an anode, and a secondary battery including the copolymer composition.

A crosslinked rubber article according to the present disclosure contains a crosslinked product of a fluorine-containing copolymer. When the crosslinked rubber article is subjected to a sputtering treatment by a method of test 1, the arithmetic average height Sa of the surface of the crosslinked rubber article after the sputtering treatment is greater than 1.6 μm, and the aspect ratio Str of the surface of the crosslinked rubber article after the sputtering treatment is 0.90 or less. Test 1: A crosslinked rubber article is placed on a sample table of an ion sputtering apparatus, and a distance between a placement surface of the crosslinked rubber article in the sample table and a target made of platinum is set to 35 mm. Then, the crosslinked rubber article is subjected to a sputtering treatment by setting the degree of vacuum in a sample chamber of the ion sputtering apparatus to 6 kPa and then performing discharge for 30 sec at a target additional current value of 25 mA.

A crosslinked rubber article comprising a crosslinked product of a fluorine-containing copolymer having a unit based on a monomer having a nitrile group and a unit based on tetrafluoroethylene, wherein when the 60°-specular gloss of the crosslinked rubber article surface is measured at 10 different sites, the minimum value of the 60°-specular gloss at the 10 different sites is 1.0 to 50.0.

The invention discloses a graft copolymer composition, ABS (Acrylonitrile Butadiene Styrene) resin as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. According to the grafted copolymer, a phenyl organosilane monomer and an organosilane polymer are introduced into a monomer, the phenyl organosilane monomer can be polymerized in butadiene rubber, and a small number of silane chain segments exist on the periphery of the phenyl organosilane monomer; in addition, an organosilane polymer is introduced into a grafting shell, a combined grafting group internally contains an organosilicone component and externally contains an organosilicone extended branch chain, and meanwhile, in the grafting polymerization process, a polymerized monomer is pre-emulsified in advance, so that the content of 1, 3, 5-triphenylcyclohexane in a grafted copolymer and final ABS resin can be greatly reduced, and the mechanical property of the ABS resin is improved. The finally prepared ABS resin can keep the mechanical property unchanged, also has relatively strong high-speed impact and puncture resistance, and is especially suitable for being applied to the fields of automobile storage battery periphery protection, automobile pedestrian protection devices, safety helmets for industries such as motorcycles and the like.

The present invention relates to heterophasic polypropylene compositions comprising a propylene homo- or copolymer forming a crystalline fraction as a matrix and an amorphous propylene ethylene elastomer as a soluble fraction dispersed in said matrix. The heterophasic polypropylene compositions further comprise an elastomeric ethylene / alpha-olefin random copolymer. The heterophasic polypropylene compositions have a well-balanced relation between stiffness and impact strength, low volatile and semi-volatile emissions and good processability.

The present disclosure relates to glycosaminoglycan-collagen copolymer compositions (such as hyaluronic acid-collagen copolymers and heparosan-collagen copolymer compositions) and medical applications thereof for augmenting soft tissue defects. The copolymer composition may be injected into tissues to correct defects or deficiencies, such as skin wrinkles, scars, and folds in dermal tissues.

The present invention provides a hydrogenated block copolymer satisfying the following:the hydrogenated block copolymer contains a polymer block (a) containing a vinyl aromatic monomer unit, and a content of the polymer block (a) is 10% by mass or more and 40% by mass or less;the hydrogenated block copolymer contains at least one hydrogenated copolymer block (b) containing a vinyl aromatic monomer unit and a conjugated diene monomer unit, and a content of the vinyl aromatic monomer unit in the hydrogenated copolymer block (b) is 30% by mass or more and 79% by mass or less;the hydrogenated block copolymer has a value of instantaneous hardness of 60 or more, and a value of instantaneous hardness of 65 or less; andthe hydrogenated block copolymer has an MFR value measured under conditions of a temperature of 230° C. and a load of 2.16 kg of 10 or more.

The invention discloses a binary flooding strong emulsifying active agent based on a nano silicon dioxide grafted anionic-nonionic structure as well as a preparation method and application of the binary flooding strong emulsifying active agent, and belongs to the field of active agents. The binary flooding strong emulsifying active agent based on the nano silicon dioxide grafted anionic-nonionic structure comprises a nano silicon dioxide core, an alkyl chain hydrophobic middle layer and a sulfonate-polyether bifunctional outer layer, the alkyl chain hydrophobic intermediate layer is grafted to the surface of SiO2 through a silane coupling agent by a Si-O-Si covalent bond; and the sulfonate-polyether bifunctional outer layer is composed of a sulfonate group-SO3H and a polyoxypropylene-polyoxyethylene PO-b-EO block copolymer. According to the technology, a traditional physical compounding mode is broken through, a sulfonate group and a polyether chain segment are accurately anchored to a nano-carrier through chemical bonds, molecular-level synergy of anion and nonionic functions is achieved, and the system is endowed with ultralow interfacial tension, strong emulsifying capacity and long-acting stability while the consumption of sulfonate is reduced.

The invention relates to a thermoplastic molding composition (P) comprising: (A) thermoplastic polymer composition (A) comprising: (A-1) 10 to 50 wt.-% of graft copolymer (A-1), (A-2) 1 to 50 wt.-%, of thermoplastic polymer matrix (A-2) based on one or more vinylaromatic copolymers, (A-3) 20 to 50 wt.-%, of polymerized alkyl methacrylate component (A-3), and (A-4) 0 to 45 wt.-% of comonomer which is copolymerized with the at least one polymerized alkyl methacrylate component (A-3), where the sum of (A-1), (A-2), (A-3) and optional comonomers (A-4) is 83.2 to 99.8 wt.-%; (B) a hindered amine light stabilizer composition (B), comprising at least two of substances (B-1) to (B-3): (B-1) 0 to 0.9 wt.-%, of at least one hindered amine light stabilizer having a dipiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the dipiperidine structure (B-2) 0 to 0.9 wt.-%, of a hindered amine light stabilizer mixture having a monopiperidine structure with at least one alkyl group at each of the 2 and 6 positions of the monopiperidine structure, and (B-3) 0 to 2 wt.-%, of at least one hindered amine light stabilizer having a polymeric structure comprising piperidine groups with at least one alkyl group at each of the 2 and 6 positions of the piperidine groups (C) 0 to 5 wt.-%, of one or more further additives (C), different from (B); and (D) 0 to 10 wt.-%, of colorants, dyes and / or pigments (D), different from (C); wherein the constituents (A) to (D) sum up to 100 wt.-% of the molding composition (P).

Provided are a fluorine-containing compound suitable to produce rubber having both excellent short-term and long-term heat resistance, a fluorine-containing copolymer using such a compound, and a fluorine-containing copolymer composition. A fluorine-containing compound represented by formula (1) below, a fluorine-containing copolymer using such a compound, and a fluorine-containing copolymer composition. In formula (1), R1 to R3 are each independently a hydrogen atom or a fluorine atom; R4 is a hydrogen atom, a fluorine atom, or a C1-8 monovalent organic group free from a carbonyl group; Z is an oxygen atom, a sulfur atom, or -N(R5)- where R5 is a hydrogen atom or a C1-4 monovalent organic group; X is a single bond or a difluoromethylene group; Y1 to Y4 are each independently a fluorine atom or a trifluoromethyl group; and Q is a C1-8 perfluoroalkylene group optionally containing an etheric oxygen atom.

To obtain a copolymer which has a high crosslinking rate and excellent productivity and can form a molded product with thermal aging resistance, small compression set at high and low temperatures, and improved low-temperature characteristics (low-temperature elastic recovery characteristics and Gehman torsion characteristics), a composition containing the copolymer, and the like.SOLUTION: An ethylene / α-olefin / nonconjugated polyene copolymer (A) has a structural unit derived from ethylene [A1], a structural unit derived from a C4-20 α-olefin [A2], and a structural unit derived from a nonconjugated polyene [A3] having two or more partial structures selected from the group consisting of the following general formulae (I) and (II) in total in one molecule and satisfies specific requirements. The structural unit derived from the [A2] contains a structural unit derived from 1-butene, and the structural unit derived from the [A3] contains a structural unit derived from 5-vinyl-2-norbornene.SELECTED DRAWING: None

The invention relates to a separator for an energy storage device, comprising a functionalized styrenic block copolymer (SSBC) in the form of a lithiated-sulfonated hydrogenated styrenic block copolymer (SO3Li-SBC), consisting essentially of said block copolymer or consisting of said block copolymer. The functionalized styrenic block copolymer is obtained by sulfonating an SBC precursor and then neutralizing the ionic block of the sulfonated block copolymer (SSBC) with Li + ions (thereby altering the properties of use as an energy storage device separator). The separator has high ionic conductivity, high dimensional stability, low thermal shrinkage and good mechanical stability, more particularly high elongation at break.

The present disclosure relates to a composition including a specific metallocene-catalysed multimodal polyethylene copolymer and a polyethylene wax, to the use of the composition in film applications and to a film including the composition.

Silicone oil compositions contain a first copolymer composition having a first refractive index and a second copolymer composition having a second refractive index. The silicone oil compositions can be used in an enclosed cavity within a lens (e.g., intraocular lens) to match the refractive index of the refractive optical element in the lens.

This invention relates to a styrene-butadiene copolymer composition, its preparation method, and its applications, belonging to the field of polymer materials technology. The styrene-butadiene copolymer composition of this invention comprises the following components in parts by weight: 40-65 parts of styrene-butadiene copolymer, 9-34 parts of styrene-methyl methacrylate copolymer A, 20-40 parts of heat-resistant modifier, 5-10 parts of phase regulator, and 0.5-5 parts of haze regulator. This styrene-butadiene copolymer composition not only possesses good heat resistance but also high transparency and is easy to demold.

To provide a 3-methyl-1-butene copolymer and a 3-methyl-1-butene copolymer composition which can suppress thermal deterioration during processing while having excellent heat resistance and have both toughness and strength, and to provide a method for producing the 3-methyl-1-butene copolymer.SOLUTION: There is provided 3-methyl-1-butene copolymer which contains 3-methyl-1-butene copolymer resin, and has a melting point of 265.0 to 290.0°C, wherein breaking elongation X (%) and yield strength Y (MPa) measured in accordance with JIS K7161-1:2014 satisfy the following formula (1): Y>(-X / 16)+42.5...Formula (1).SELECTED DRAWING: None

The present invention provides a multimodal ethylene copolymer composition made of a copolymer of ethylene and at least two α-olefin comonomers having 3 to 10 carbon atoms, wherein the composition comprises at least low and high molecular weight polymer fractions and having specified properties in terms of molecular weight, molecular weight distribution, density, and melt flow properties in terms of MFR2, MFR5, and MFR21, and a film made therefrom, which provides improved mechanical characteristics especially in terms of dart drop impact strength and tensile modulus.

The present invention relates to: a copolymer composition comprising a first copolymer comprising an acrylic acid-based monomer unit and an acrylamide-based monomer unit, and a second copolymer comprising a vinyl pyrrolidone-based unit, an acrylate-based monomer unit comprising a hydroxyl group, and an acrylamide-based monomer unit; and a negative electrode slurry, a negative electrode, and a secondary battery comprising the copolymer composition.

This invention relates to a method for producing a stable copolymer composition, comprising adding an organic solvent, an alkyl-alkoxysilane and / or a C1-C9 alcohol, a monomer, and a free radical initiator to a reactor. The copolymer composition is based on a vinyl-branched ester polymer modified with a vinylsilane and a dehydrating agent. The copolymer composition can be formulated to a desired viscosity, can be applied using conventional techniques, and can be optimized for curing as a single-package system at room temperature in the presence of a suitable catalyst.

The present invention provides a polypropylene-based resin composition comprising a polypropylene-based resin (A) including a continuous phase consisting of a propylene polymer (a1) and a rubber phase consisting of a copolymer (a2) of ethylene and α-olefin having 3-10 carbon atoms, and an optional component ethylene / α-olefin copolymer (B) which is a copolymer of ethylene and α-olefin having 3-10 carbon atoms.

A laminate containing: a layer (I) mainly composed of an acrylic resin; a layer (II) mainly composed of a polyolefin resin; and an adhesive layer (III) provided between the layer mainly composed of an acrylic resin and the layer mainly composed of a polyolefin resin,wherein the adhesive layer (III) is formed from an adhesive component mainly composed of a hydrogenated conjugated diene block copolymer having two or more polymer blocks selected from the group consisting of a polymer block (A) mainly composed of vinyl aromatic monomer units, a polymer block (B) mainly composed of conjugated diene monomer units, and a polymer block (C) having vinyl aromatic monomer units and conjugated diene monomer units, in which unsaturated bonds in conjugated diene monomer units are hydrogenated, andthe hydrogenated conjugated diene block copolymer satisfies predetermined requirements.

There is provided an inorganic solid electrolyte-containing composition containing an inorganic solid electrolyte, a polymer binder, and a dispersion medium, in which the polymer binder includes a polymer binder consisting of a fluorine-based copolymer which contains a vinylidene fluoride constitutional component and a hexafluoropropylene constitutional component of 21% to 65% by mole and in which a tensile fracture strain is 500% or more, and the adsorption rate of this polymer binder with respect to the inorganic solid electrolyte is less than 60%. There are also provided a sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which this inorganic solid electrolyte-containing composition is used, and manufacturing methods for a sheet for an all-solid state secondary battery, and an all-solid state secondary battery.

The present invention addresses the problem of obtaining a cured product which has excellent diluent solubility and in which the contact resistance of an electrode after ashing is suppressed to be low. A resin composition containing the following components (a) to (c), the component (a) having a diamine residue represented by formula (1) in an amount of from 1 mol% to 80 mol% (inclusive) with respect to 100 mol% of all diamine residues contained in the skeleton of the resin of the component (a), and the component (c) having a diamine residue represented by formula (2) in an amount of from 1 mol% to 80 mol% (inclusive) with respect to 100 mol% of all diamine residues contained in the skeleton of the resin of the component (a). Component (a): at least one resin selected from the group consisting of polyimide precursors, polyimides, polybenzoxazole precursors, polybenzoxazoles, and copolymers thereof Component (b): a photosensitizer. Component (c): a solvent (in formula (1), R1-R8 each independently represent an alkyl group having 1-4 carbon atoms or a hydrogen atom, X each independently represents-CH2-,-C (CH3) 2-,-O-,-S-,-SO2-or a single bond, and p, q, r and s each independently represent an integer of 0 or 1 and represent a bonded part).

Disclosed herein are amine containing copolymer compositions based on free radical and controlled radical polymerization of monomer compositions including an amine-derivatized alpha-methyl styrene (ADAMS) monomer according to structure (I): with k, R, R1, and R2 defined herein with one or more monomers selected from the group consisting of optionally substituted acrylates, methacrylates, acrylamides, methacrylamides, acrylonitriles, methacrylonitriles, vinyl ethers, N-vinyl amides, or combinations thereof. Further disclosed herein are methods of making and methods for using such copolymer compositions.

To provide an ethylene-based copolymer composition which can improve productivity by improving adhesiveness to a layer containing a fiber material, has excellent adhesiveness to a layer containing a fiber material and can maintain the mechanical properties of the resulting laminate.SOLUTION: There is provided an ethylene-based copolymer composition which comprises an ethylene / α-olefin / nonconjugated polyene copolymer (L) containing ethylene [A], an α-olefin having 4 to 20 carbon atoms [B] and a nonconjugated polyene [C] and satisfying specific requirements and a modified polybutadiene [N], and contains more than 10 pts.mass and 20 pts.mass or less of an antioxidant based on 100 pts.mass of the copolymer (L).SELECTED DRAWING: None

The object of the present invention is to provide a polyester block copolymer resin composition that exhibits excellent flexibility and transparency, has excellent abrasion resistance, and can be processed into molded articles such as injection molded articles, extruded articles, films, fibers, nonwoven fabrics, and foams. [Solution] The present invention provides a polyester block copolymer resin composition comprising 100 parts by mass of a polyester block copolymer (A) containing 10 to 50% by mass of a high-melting-point crystalline polymer segment (a) consisting of crystalline aromatic polyester units and 90 to 50% by mass of a low-melting-point polymer segment (b) consisting of aliphatic polyether units and / or aliphatic polyester units, 0.01 to 3.0 parts by mass of an alkali metal salt of an aliphatic carboxylic acid (B), and / or 0.2 to 20 parts by mass of an ethylene copolymer (C) having a carboxylic acid metal base in its side chain, and 0.01 to 5.0 parts by mass of a modified wax (D).

The hydrogenated block copolymer composition for the surface exhibits high abrasion resistance and mechanical properties, while also providing a laminate that shows high adhesive strength even when laminated with an olefin-based resin for the substrate at low temperatures. [Solution] At least two types of hydrogenated block copolymers (a) and hydrogenated block copolymers (b), an olefin resin (c-1), a thermoplastic resin (d), a softening agent (e), A hydrogenated block copolymer composition containing, and an olefin resin for the base material (c-2), A laminate of [something].

To provide a polyester-based film capable of forming a packaging bag with excellent drop resistance.SOLUTION: The present invention relates to a film for packaging material at least comprising a polyester layer X and a polyester layer Y. The polyester layer X contains a copolyester (x) comprising a copolymer of a dicarboxylic acid component and a diol component, where the dicarboxylic acid component includes terephthalic acid and other dicarboxylic acids, and the diol component includes an alicyclic diol. The polyester layer Y contains a copolyester (y) comprising a copolymer of a dicarboxylic acid component and a diol component, where the dicarboxylic acid component includes terephthalic acid and other dicarboxylic acids, and the diol component includes an alicyclic diol.SELECTED DRAWING: None