The present invention relates to a polyamide/polyphenylene ether resin composition containing: a base resin comprising polyphenylene ether, a polyamide and an impact modifier; a compatibilizer; and a polyamine, and to: a polyamide/polyphenylene ether resin composition having a notched Izod impact strength of about 12 kJ/m.sup.2 or more when measured at 23 C. according to the ISO 180 standard, and a number of checkerboard lattices, in which peeling off occurs, being about 5% or less of the total number of checkerboard lattices in a 1 mm-gap checkerboard pattern test for testing adhesion to acrylic paints and a melamine-based paints according to the JIS K5600-5-6 standard; and a preparation method therefor.

An ion-exchange membrane including a polymer such as vinylpyridine, styrene, poly(4-vinylpyridine), or a poly(4-vinylpyridine-co-styrene) copolymer. The ion-exchange membrane also includes an ionic ligand-metal complex bonded to the vinylpyridine by a coordinate covalent bond. The ionic ligand-metal complex may include nickel-bipyridine. The ion-exchange membrane can be a free-standing membrane.

Provided are a molded article formed of a thermoplastic resin composition, wherein a maximum height (Rmax) of surface roughness of the molded article measured in accordance with JIS B 0601-1982 and a centerline average roughness (Ra) of a surface of the molded article measured in accordance with JIS B 0601-1982 satisfy a formula: 9Rmax/(Ra+1)45, an area ratio of through-holes of the molded article is 1% or more and 20% or less, with a surface area of the molded article being 100%, and a bulk density of the molded article is 0.13 g/cm.sup.3 or more and 0.50 g/cm.sup.3 or less; a method for producing the molded article; and a laminate having the molded article.

A laminated molded article includes a molded product formed from a resin composition and a metal thin-film layer. The composition contains a polyphenylene ether resin (A) and an amorphous -olefin copolymer (B). The resin (A) includes 95 to 99.95 mass % of a polyphenylene ether (i) and 0.05 to 5 mass % of a compound (ii) being at least one compound selected from the group consisting of: an organophosphorus compound having, in molecules thereof, a chemical structure represented by formula (I) or (II) (R in formula (II) is a trivalent saturated hydrocarbon group having a carbon number of 1 to 8 or a trivalent aromatic hydrocarbon group having a carbon number of 6 to 12); and a phosphonic acid, phosphonic acid ester, phosphinic acid, phosphinic acid ester, monocarboxylic acid, sulfonic acid, sulfinic acid, or carbonate other than the organophosphorus compound, relative to 100 mass %, in total, of components (i) and (ii).

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There is provided a polyethylene film and a laminate which can be used to produce a package having high heat resistance, strength and recycling suitability in place of a lamination film conventionally used in a package. The polyethylene film of the present invention is irradiated with an electron beam on its only one side, and comprises polyethylene and a crosslinking agent, in which the crosslink density of the polyethylene is different between the side irradiated with an electron beam and the other side not irradiated with an electron beam.

There is provided a method for producing a rubber composition from which a vulcanized rubber having excellent wet gripping performance, rubber hardness and abrasion resistance is yielded. This method is a method for producing a rubber composition including a diene rubber, one or more resins, and a styrene based thermoplastic elastomer. The resin(s) is/are one or more out of nonaromatic terpene resins and aliphatic petroleum resins. The method includes the step of mixing the resin(s) with the styrene based thermoplastic elastomer to produce a kneaded product, and the step of mixing the resultant kneaded product with the diene rubber.

A laminated molded article includes a molded product formed from a resin composition and a metal thin-film layer. The composition contains a polyphenylene ether resin (A) and an amorphous -olefin copolymer (B). The resin (A) includes 95 to 99.95 mass % of a polyphenylene ether (i) and 0.05 to 5 mass % of a compound (ii) being at least one compound selected from the group consisting of: an organophosphorus compound having, in molecules thereof, a chemical structure represented by formula (I) or (II) (R in formula (II) is a trivalent saturated hydrocarbon group having a carbon number of 1 to 8 or a trivalent aromatic hydrocarbon group having a carbon number of 6 to 12); and a phosphonic acid, phosphonic acid ester, phosphinic acid, phosphinic acid ester, monocarboxylic acid, sulfonic acid, sulfinic acid, or carbonate other than the organophosphorus compound, relative to 100 mass %, in total, of components (i) and (ii).

##STR00001##

The present invention relates to a concentrated polymeric composition which comprises: a) vinyl aromatic polymers and/or copolymers in an amount ranging from 10% to 90% by weight, calculated with respect to the overall composition, with respect to the overall composition, b) at least one compound containing epoxy functional groups in an amount ranging from 0.01% to 5% by weight, calculated with respect to the overall composition, with respect to the overall composition, c) at least one infrared absorbing agent, in an amount ranging from 10% to 90% by weight, calculated with respect to the overall composition, with respect to the overall composition.

A composite powder includes a core particle comprising a sulfonated polyester matrix and a plurality of silver nanoparticles dispersed within the matrix, and a shell polymer disposed about the core particle, and methods of making thereof. Various articles can be manufactured from such composite powders.

A thermoplastic resin composition pellet may include 30 to 100 parts by mass of a polybutylene terephthalate resin (A) having an intrinsic viscosity of 0.3 to 1.3 dl/g and 0 to 70 parts by mass of a polystyrene or a rubber-reinforced polystyrene resin (B), and 0.5 to 20 parts by mass of heat-expandable microsphere (C) having a maximum expansion temperature in a range of 250 to 320 C. and an average particle diameter in a range of 10 to 50 m, relative to 100 parts by mass of the total (A) and (B). A method may produce the thermoplastic resin composition pellet including melt kneading a master batch including the heat-expandable microsphere (C) and a thermoplastic resin with the polybutylene terephthalate resin (A) and the polystyrene or rubber-reinforced polystyrene resin (B).