146 results about "Copolymer composition" patented technology

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).

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.

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.

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.

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 copolymer composition containing an ethylene / α - olefin / non-conjugated polyene copolymer which is excellent in physical properties, processability and the like of a molded article to be obtained, a method for producing the same, a foamed molded article obtained from the copolymer composition and a method for producing the same, and a crosslinked molded article and a method for producing the same.SOLUTION: A copolymer composition containing a copolymer (S) having a structural unit derived from ethylene (A), a structural unit derived from an α - olefin (B) having 3 to 20 carbon atoms, and a structural unit derived from a specific non-conjugated polyene (C) and satisfying requirements (i) and (ii), a hydrosilyl group-containing compound (Y) that is an organohydrogenpolysiloxane having at least one silicon atom-bonded aralkyl group and at least two silicon atom-bonded hydrogen atoms in a molecule, and a platinum-based catalyst for hydrosilyl crosslinking.SELECTED DRAWING: None

This invention provides polypeptide ester etheramine random polymers and methods for preparing them. [Solution] The polypeptide ester etheramine random polymer of the present invention is a random copolymer of an amino acid monomer and an alkylene oxide. In the present invention, copolymerization of an amino acid monomer and an alkylene oxide monomer is achieved by a one-step method of mixed monomers using a transition metal or rare earth metal salt as a catalyst. The random copolymer product has a controllable molecular weight, a narrow molecular weight distribution, and an adjustable copolymer composition. Furthermore, the random copolymer product has excellent solubility, is biodegradable, easily modifiable with functional groups, has excellent processability, and has excellent biocompatibility, making it promising for future applications in the biomedical field.

The invention discloses a carbazole derivative-based inlaid composite carbon wave-absorbing material and a preparation method thereof, and relates to the technical field of electromagnetic wave absorbing materials. The preparation method comprises the following steps: by taking a boric acid-based carbazole derivative as a precursor, carrying out free radical polymerization reaction on the precursor and a cross-linking agent in the presence of PMMA microspheres; the reaction comprises local modification on the surface of the microsphere and copolymerization in a solvent at the same time, and a composite precursor composed of the surface modified microsphere and a copolymer is obtained; and then carrying out pre-oxidation and carbonization treatment on the composite precursor to obtain the embedded composite carbon wave-absorbing material. The unique structure creates a rich heterogeneous interface, cooperates with dipole polarization, interface polarization, conductive loss and multiple scattering, and jointly constructs an efficient multiple electromagnetic wave loss mechanism, so that the material realizes efficient electromagnetic wave absorption performance on the premise of not depending on magnetic components.

The invention discloses a comonomer composition and method for constructing a tunable microphase coating. The composition comprises a hydrophobic phase monomer, an acidic hydrophilic monomer containing carboxyl, an ionizable monomer containing tertiary amino, a monomer containing sulfonic acid group or sulfonate group and a delayed locking monomer containing alkoxy silane group, the components are vinyl unsaturated monomers capable of being subjected to free radical copolymerization. Through the collaborative design of the monomers, the obtained copolymer forms a microphase structure composed of a hydrophobic phase domain and an ionic association high-polarity phase domain in the film forming process, and the alkoxy silane group is subjected to a hydrolytic condensation reaction in the presence of water to delay locking of the microphase structure. The coating has good construction stability under the condition of high solid content, and can realize tuning of a microphase structure through ion strength, humidity or pH change after film formation, so that independent adjustment of various coating properties is realized, and the coating has good feasibility and application value.

The present disclosure provides an EVOH resin composition that reduces metal adhesion between an EVOH resin and a processing machine surface to prevent excessive deterioration of the resin during film formation and that has excellent long-run properties and film-forming properties. An ethylene-vinyl alcohol copolymer composition comprising: an ethylene-vinyl alcohol copolymer (A); and a silicone mixture (B), wherein the silicone mixture (B) is solid at 25° C.

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.

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.

Provided is a copolymer composition containing a copolymer (S) which has a structural unit derived from an ethylene (A), a structural unit derived from an α-olefin (B) having 3 to 20 carbon atoms, and a structural unit derived from a specific non-conjugated polyene (C), and satisfies a requirement (i) and a requirement (ii), a hydrosilyl group-containing compound (Y) which is an organohydrogenpolysiloxane having at least one silicon atom-bonded aralkyl group and at least two silicon atom-bonded hydrogen atoms in a molecule, and a platinum catalyst for hydrosilyl crosslinking. (i) [A] / [B] is 40 / 60 to 99.9 / 0.1 (ii) a mass percent concentration of the structural unit derived from the non-conjugated polyene (C) is 0.07% to 10% by mass.

Provided is a copolymer rubber composition from which a crosslinked molded article having well-balanced and excellent properties in terms of low hardness, small compression set at low temperatures, and high abrasion resistance can be obtained. [Solution] The copolymer composition comprises 100 parts by mass of an ethylene-α-olefin-non-conjugated polyene copolymer (P) having structural units derived from ethylene [A1], structural units derived from an α-olefin [A2] having 4 to 20 carbon atoms, and structural units derived from a non-conjugated polyene [A3], wherein the [A2] contains 1-butene, and satisfies the following (1) and (2): (1) the ratio [[e] / [x]] of the molar fraction [e] of the structural units derived from ethylene [A1] to the molar fraction [x] of the structural units derived from the α-olefin [A2] having 4 to 20 carbon atoms is 40 / 60 to 90 / 10; and (2) the intrinsic viscosity [η] measured in decalin at 135°C is 5.0 to 7.0 dl / g.

To provide a copolymer composition with excellent heat resistance and a molded article thereof. [Solution] A copolymer composition comprising a modified ethylene-α-olefin copolymer (A) containing an average of 0.3 or more (meth)acryloyl groups per molecule, a (meth)acrylic monomer (B), and a photoinitiator (C).

To provide a copolymer composition capable of obtaining a molded article excellent in balance of water absorption, surface roughness and compression set.SOLUTION: A copolymer (S) having a structural unit derived from ethylene (A), a structural unit derived from an α - olefin having 3 to 20 carbon atoms (B), and a structural unit derived from a non-conjugated polyene (C), a hydrosilyl group-containing compound (Y) represented by the formula (a) which is an organohydrogenpolysiloxane having at least one silicon-bonded aralkyl group and at least two silicon-bonded hydrogen atoms in a molecule, a platinum-based catalyst, a reaction inhibitor, carbon black, a sodium bicarbonate-based foaming agent (F1), and a microcapsule-based foaming agent (F2); To provide a copolymer composition, a crosslinked molded product of the composition, and a weather strip sponge.SELECTED DRAWING: None

Proposed is a copolymer composition including a copolymer and a cross-linking agent, in which the copolymer includes 30% or more to 80% or less by weight of at least one type of monomer units selected from the group consisting of acrylate-based monomer units, acrylonitrile-based monomer units, vinylamide-based monomer units, and acrylamide-based monomer units and 20% or more to 70% or less by weight of vinylpyrrolidone monomer units, based on 100% by weight of the copolymer. In addition, a slurry composition, a separator, and a secondary battery that contains the polymer composition are proposed.

To provide a fluorinated copolymer composition whereby a crosslinked rubber article which has a low compression set at high temperature and which is not broken after compression can be formed, and a crosslinked rubber article. The fluorinated copolymer composition of the present invention comprises a fluorinated copolymer (A) having units having a nitrile group and units based on tetrafluoroethylene, a fluorinated copolymer (B) having units having at least one functional group selected from the group consisting of a group having a carbonyl group, a hydroxy group, an epoxy group and an isocyanate group and units based on tetrafluoroethylene, and a crosslinking agent.

Provided are a polypropylene composition that can provide a stretched film having high heat resistance and rigidity, and a stretched film including the same. A stretched film-use polypropylene composition includes a polypropylene selected from the group consisting of a propylene homopolymer and a propylene-ethylene copolymer containing 1.0% by weight or less of units derived from ethylene, the polypropylene satisfying the following requirement (1).(1) The amount γ (%) by weight of a component having a molecular weight of 1 million or more, as determined using GPC, and the molecular weight distribution Mw / Mn, as determined using GPC, satisfy 0.4 < (Mw / Mn) · γ < 10.

Food contact materials with a color difference ΔE <20 from the L*a*b* coordinates to a color number starting with "1" of the RAL color chart according to the color model according to EN ISO 11664-4, as determined according to DIN 5033 (1979), based on compositions containing at least one polyester or polystyrene and a colorant consisting of at least one yellow methine dye or at least one yellow quinophthalone dye and at least one ethylene oxide-propylene oxide block copolymer with a central propylene oxide unit between two ethylene oxide units, a molar mass determined from the OH number to be determined according to DIN / ISO 4629, in the range of 5500 to 7500 g / mol, a mass fraction of ethylene oxide units in the range of 45 to 55 wt.% and a flocculation point to be determined according to EN 1890 method B in the range of 70°C to 85°C.

To provide a crosslinked rubber article, and a fluorinated copolymer composition capable of forming a crosslinked rubber article having a low compression set at high temperature.SOLUTION: A fluorinated copolymer composition of the present invention comprises a fluorinated copolymer, an organic peroxide, a compound having two or more polymerizable unsaturated bonds and a phosphorus compound having a melting point of 60°C or lower.SELECTED DRAWING: None

The utility model relates to the technical field of female hygienic products, in particular to an ultrathin instant-absorption water-locking core body which comprises a densely-perforated film surface layer, and an ultrathin polymer layer is arranged below the densely-perforated film surface layer in a hot pressing mode. Polypropylene is arranged below the densely perforated film surface layer, superfine fibers are arranged below the polypropylene, polyethylene is arranged below the superfine fibers, and non-woven fabric is arranged below the polyethylene; a starch grafted copolymer is arranged below the ultrathin polymer layer, and polyurethane is arranged below the starch grafted copolymer. According to the improved water locking core body and the sanitary towel, a plurality of hole grooves are formed in the upper portion of the improved water locking core body and the sanitary towel, air can enter the sanitary towel conveniently, air circulation channels are increased, air circulation in the sanitary towel can be effectively improved, moisture can be discharged more easily, and stuffiness discomfort of a user is reduced; by means of the structure, liquid can be efficiently absorbed and firmly locked, and the instant absorption water locking function is achieved.

Provided is a composition described below as an EVOH resin composition having an increased thermal decomposition temperature at the time of melt-molding and excellent thermal stability. An ethylene-vinyl alcohol copolymer composition containing an ethylene-vinyl alcohol copolymer and a titanium compound, wherein the ethylene-vinyl alcohol copolymer has a saponification degree of more than 91 mol % and 99.5 mol % or less, and a content of the titanium compound in terms of metal is 0.001 ppm or more and less than 5 ppm per mass of the ethylene-vinyl alcohol copolymer composition.

Food contact materials with a color difference ΔE <20 from the L*a*b* coordinates to a color number starting with "5" of the RAL color chart according to the color model according to EN ISO 11664-4, to be determined according to DIN 5033 (1979), based on compositions containing at least one polyester or polystyrene and a colorant consisting of at least one blue anthraquinone dye and at least one ethylene oxide-propylene oxide block copolymer with a central propylene oxide unit between two ethylene oxide units, a molar mass determined from the OH number to be determined according to DIN / ISO 4629, in the range of 5500 to 7500 g / mol, a mass fraction of ethylene oxide units in the range of 45 to 55 wt.% and a flocculation point to be determined according to EN 1890 method B in the range of 70°C to 85°C.

Food contact materials with a color difference ΔE <20 from the L*a*b* coordinates to a color number starting with "3" of the RAL color chart according to the color model according to EN ISO 11664-4, to be determined according to DIN 5033 (1979), based on compositions containing at least one polyester or polystyrene and a colorant consisting of at least one red azo dye and at least one ethylene oxide-propylene oxide block copolymer with a central propylene oxide unit between two ethylene oxide units, a molar mass determined from the OH number to be determined according to DIN / ISO 4629, in the range of 5500 to 7500 g / mol, a mass fraction of ethylene oxide units in the range of 45 to 55 wt.% and a flocculation point to be determined according to EN 1890 method B in the range of 70°C to 85°C.

The present disclosure is directed to a class of fluorinated copolymers, such as TFE copolymers, that can be dispersed in a liquid carrier including low toxicity liquid solvents, such as Class III Solvents, and that enable the creation of stable dispersions including the fluorinated copolymers dispersed in a liquid carrier including a water miscible organic component and an aqueous component.