Abstract: Provided herein are polymer compositions and methods of making them, including blending a polymer and a polyethylene glycol (PEG) masterbatch. The PEG masterbatch can include one or more PEGs each having molecular weight less than 40,000 g/mol. The polymer can be a C2-C6 olefin homopolymer or a copolymer of two or more C2-C20 ?-olefins. The PEG masterbatch and resulting polymer composition is preferably free or substantially free of fluorine, including fluoropolymer-based PPAs.

Abstract: A high melt strength resin composition includes at least a) non-functionalized polypropylene, b) at least one acrylate such as zinc diacrylate, calcium diacrylate or aluminum triacrylate in a total amount of from 0.1 to 5% by weight based on the weight of non-functionalized polypropylene, and c) at least one acid neutralizer in a total amount of from 0.005 to 5% by weight based on the total weight of the at least one acrylate. The resin composition is compounded at a processing temperature between 185° C. and 260° C. to obtain the high melt strength polypropylene.

Abstract: A resin composition includes 100 parts by weight of a polyolefin and 20 parts by weight to 150 parts by weight of a homopolymer of Formula (1). The resin composition is useful for making different articles, including a prepreg, a resin film, a laminate or a printed circuit board, which may achieve excellent multi-layer board thermal resistance and thermal resistance after moisture absorption and achieve high glass transition temperature, low dissipation factor, and low Z-axis ratio of thermal expansion.

Abstract: A molding material including a resin material that has a graft chain containing constituent units derived from a fluorine-containing compound and a non-fluorinated compound. The graft chain thereof may be formed, for example, using ionizing radiation.

Abstract: Disclosed are elastomer compositions. The elastomer compositions include at least 20% by weight, based on the total weight of the elastomer composition, of a polymer matrix; and (b) 0.1 to 70% by weight, based on the total weight of the elastomer composition, of a solid isocyanate residue of isocyanate manufacturing, the solid having, prior to its inclusion in the elastomer composition, a D90,3 particle size of no more than 70 microns. Elastomer products made using these elastomer compositions can include, for example, a tire treadstock, a tire sidewall stock, a roofing membrane, a door seal, a window seal, a trunk seal, a hood seal, a hose, such as a hose in a vehicular cooling system circuit, or a hanger element attaching an exhaust system to a vehicle underfloor.

Abstract: It becomes possible to produce a thermoplastic resin composition having a sea-island structure by a kneading step of kneading a thermoplastic elastomer and/or rubber material having an alkoxysilyl group, in which the alkoxysilyl group is grafted to the thermoplastic elastomer and/or rubber material, and a thermoplastic resin in a melt state in a kneading machine and a dynamic crosslinking step of adding a water component into the kneading machine, forming a silanol group by a hydrolysis reaction of the alkoxysilyl group in the thermoplastic elastomer and/or rubber material having an alkoxysilyl group and the water component in the kneading machine, and subsequently forming a siloxane bond by a condensation reaction between the silanol groups.

Abstract: The purpose of the present invention is to provide a resin composition for manufacturing a medical storage container that has improved oxygen permeability and that tends not to have excessively lower transparency. To this end, the present invention pertains to a resin composition for manufacturing a medical storage container, the composition including polyethylene (a) and polymethylpentene (b). The resin composition contains, as polyethylene (a), a first polyethylene (a-1), which is a main component of the polyethylene (a), and a second polyethylene (a-2) having a lower density than the first polyethylene.

Abstract: The present invention relates to a complex of polymers and to the use thereof in a method of making paper, cardboard or the like. This complex of polymers is obtained by polymerizing water-soluble monomers: in the presence of a host polymer that comprises vinylamine functions and of a non-polymeric transfer agent, and in the absence of a branching or crosslinking agent of the ethylenic polyfunctional type. It is obtained as from a mass ratio of anionic monomer to water that is greater than 0.035.

Abstract: A graft copolymer (B) produced by graft polymerization of a vinyl monomer mixture (m1) including an alkyl (meth)acrylate ester onto a copolymer (A), the copolymer (A) being a copolymer of an alkyl (meth)acrylate ester (Aa) and a (meth)acrylate ester (Ab) including an aromatic hydrocarbon group. A thermoplastic resin composition including the graft copolymer (B), a copolymer (C) that is the product of a polymerization reaction of a vinyl monomer mixture (m2) including an alkyl (meth)acrylate ester, and a molded article produced by molding the thermoplastic resin composition. Provided are the graft copolymer with which a thermoplastic resin composition excellent in terms of transparency, impact resistance, weather resistance, and flowability may be produced, a thermoplastic resin composition including the graft copolymer, and the molded article produced by molding the thermoplastic resin composition.

Abstract: A thermoplastic resin composition includes a resin component (A) in an amount of 97 to 80 parts by mass; and a hitting sound reducing material (B) in an amount of 3 to 20 parts by mass. The hitting sound reducing material (B) is a hydrogenated copolymer derived from hydrogenation of a copolymer formed of a block portion (I) primarily including structural units derived from an aromatic vinyl-based compound, and a random portion (II) primarily including structural units derived from an aromatic vinyl-based compound and derived from butadiene. The structural units derived from an aromatic vinyl-based compound in the block portion (I) and derived from an aromatic vinyl-based compound in the random portion (II) are present in a total content of 55 to 80 mass % relative to a 100 total mass % of the copolymer, and the hydrogenated copolymer has a primary dispersion peak of tan ? at 0° C. or greater.

Abstract: The present invention relates to a method for preparing a thermoplastic copolymer using monomer droplets, a thermoplastic copolymer prepared therefrom and a thermoplastic resin composition including the same. In the preparation method, monomer droplets including an aromatic vinyl-based monomer are injected after reaching a polymerization conversion ratio of 10% to participate in the reaction after initiating polymerization, and a thermoplastic copolymer having an increased average particle diameter may be prepared in high yield.

Abstract: To provide a resin composition, a pellet, a composite molded article, a method for manufacturing a composite molded article and a tank, all capable of enabling tight joining and integration of the polyacetal resin molded article and the polyethylene resin molded article, and of suppressing formaldehyde emission and occurrence of mold deposit. The resin composition contains a resin ingredient and melamine, the resin ingredient containing a polyacetal resin and a maleic anhydride-modified polyethylene resin, the polyacetal resin and the maleic anhydride-modified polyethylene resin following a mass proportion of (20 to 49):(80 to 51), and molar concentration of the maleic anhydride group capable of reacting with amino group of melamine contained in the resin composition being 5 to 25 ?mol/g.

Abstract: The invention relates to a block copolymer comprising at least one rigid polyamide block and at least one flexible block, characterized in that the flexible block has an NH2/OH ratio of concentrations of amine chain ends to alcohol chain ends which is within the range from 30 to 150, said concentrations being measured by 1H NMR (TFanh./CD2Cl23). The invention also relates to the use of a flexible block for manufacturing a copolymer containing polyamide blocks and flexible blocks that is both hydrolysis-resistant and CO2-permeable, with a permeability to CO2 of at least 10 000 cm3/m2/24 h/atm for a 25 ?m film of said copolymer, characterized in that said flexible block has a ratio of amine chain ends to acid chain ends which is within the range from 30 to 150.

Abstract: Disclosed is a polyolefin-based resin composition for a vehicle interior material including heat-treated waste coffee grounds. The resin composition includes a polyolefin-based resin, waste coffee grounds including a volatile matter (VM) in an amount less than about 20 wt % of the waste coffee grounds, a modified polypropylene, an inorganic filler, and a thermoplastic elastomer.

Abstract: An object of the present invention is to provide a medical rubber composition having excellent non-elution characteristic and gas permeability. The present invention provides a medical rubber composition containing: (a) a butyl rubber, (b) a diene-based rubber containing polybutadiene, (c) a peroxide-based crosslinking agent, and (d) a co-crosslinking agent, wherein an amount of (b) the diene-based rubber in 100 parts by mass of the rubber component composed of (a) the butyl rubber and (b) the diene-based rubber is 15 parts by mass or more and 90 parts by mass or less, and a mass ratio ((d)/(c)) of (d) the co-crosslinking agent to (c) the peroxide-based crosslinking agent is 1.2 or more and 25 or less.

Abstract: Provided is a thermoplastic elastomer composition for a weather strip material which is used for obtaining a molded product which has excellent adhesiveness to both a thermoplastic elastomer adherend and a crystalline ethylene resin adherend and also has excellent heat resistance at a fused portion. The thermoplastic elastomer composition for a weather strip material according to the disclosure contains: an ethylene-?-olefin copolymer rubber (A); an ?-olefin crystalline thermoplastic resin (B) having a melting point of 140° C. or higher; an olefin block copolymer (C) obtained by hydrogenating a block copolymer which has a conjugated diene polymer block with a 1,2-vinyl bond content of 25 mol % or less at both ends and also has a conjugated diene polymer block with a 1,2-vinyl bond content of more than 25 mol % in the middle; and a crystalline ethylene resin (D).

Abstract: A soft polyolefin resin composition and an article molded therefrom are provided. The polyolefin resin includes: (A) 50 to 95% by weight of an ethylene-propylene block copolymer obtained by polymerization of a propylene homopolymer or an ethylene-propylene random copolymer with an ethylene-propylene rubber copolymer in stages in reactors; (B) 4.8 to 40% by weight of an ethylene-?-olefin rubber copolymer; and (C) 0.2 to 10% by weight of a copolymer of ethylene and a polar monomer, based on the total weight of components (A) to (C). The glass transition temperature of the rubber component in the ethylene-propylene block copolymer appears at ?60 to ?40° C. when measured by a dynamic mechanical analyzer, the melt index of the polyolefin resin composition measured at 230° C. under a load of 2.16 kg is 0.5 to 20 g/10 minutes, and the glass transition temperature of the rubber component in the polyolefin resin composition appears at ?60 to ?40° C. when measured by a dynamic mechanical analyzer.

Abstract: An object of the present invention is to provide a photocurable resin composition capable of obtaining a cured product having excellent quick curability by irradiation with a low integrated light intensity and flexibility. A photocurable resin composition containing the following components (A) to (E): component (A): a monofunctional urethane (meth)acrylate having a polyether skeleton; component (B): a monofunctional (meth)acrylic monomer having a polyether skeleton and having no urethane skeleton; component (C): a photoradical polymerization initiator; component (D): a polyfunctional (meth)acrylic monomer having 4 or more functionalities; and component (E): a polyester-based plasticizer having no (meth)acryloyl group.

Abstract: A grafted polyvinyl alcohol polymer includes a polyvinyl alcohol main chain and a plurality of side chains grafted to the polyvinyl alcohol main chain. One or more of the side chains from the plurality of side chains include one or more units selected from: an aliphatic carboxylic acid, an aliphatic amide, an amino alkyl (meth)acrylate, a hydroxylated alkyl (meth)acrylate, or any combinations thereof. The grafted polyvinyl alcohol polymer can be included in a formulation that also includes water, and the formulation can be used as an adhesive in a creping process.

Abstract: Provided is a thermoplastic elastomer composition capable of producing a molded article having a good appearance such as surface smoothness and excellent bondability to another member, the thermoplastic elastomer composition comprising: an ethylene-based polymer (A); and a propylene-based polymer (B), wherein a melt viscosity of the thermoplastic elastomer composition measured at a temperature of 220° C. and a shear rate of 12 sec?1 is 2,500 Pa·sec or less; the thermoplastic elastomer composition has a sea-island structure; and an island portion has a volume average particle diameter of 2.1 ?m or more and a particle diameter dispersion D of 7.0 or less.