Abstract: A shaped resin article comprising a polyamide (A) (comprising at least two different polyamide components), a polyphenylene ether (B) and a partially hydrogenated block copolymer (C) (obtained by partially hydrogenating a block copolymer comprising an aromatic vinyl polymer block and a conjugated diene polymer block) including a block copolymer (C-1) having a number average molecular weight of from 200,000 to 300,000, wherein (A) is present as a continuous phase in which (B) is dispersed to form a dispersed phase, and (C) is present in the continuous phase of (A) and/or the dispersed phase of (B), wherein the surface area of the polyamide (A) exposed on the overall surface of the shaped resin article is at least 80%, based on the surface area of the shaped resin article.

Abstract: A ramp for hard discs which is obtained by molding a resin composition containing (A) a polyoxymethylene resin, and (B) at least one polymeric lubricant selected from the group consisting of (b-1) a polyolefin resin, and (b-2) a polymer obtained by polymerizing an isocyanate compound and a polyalkylene oxide, and which has an excellent sliding property and no deterioration of sliding property due to solvent washing.

Abstract: A ramp for hard discs which is obtained by molding a resin composition containing (A) a polyoxymethylene resin, and (B) at least one polymeric lubricant selected from the group consisting of (b-1) a polyolefin resin, and (b-2) a polymer obtained by polymerizing an isocyanate compound and a polyalkylene oxide, and which has an excellent sliding property and no deterioration of sliding property due to solvent washing.

Abstract: A ramp for hard discs which is obtained by molding a resin composition containing (A) a polyoxymethylene resin, and (B) at least one polymeric lubricant selected from the group consisting of (b-1) a polyolefin resin, and (b-2) a polymer obtained by polymerizing an isocyanate compound and a polyalkylene oxide, and which has an excellent sliding property and no deterioration of sliding property due to solvent washing.

Abstract: A polyoxymethylene resin composition which comprises (A) a polyoxymethylene resin, (B) a polymer having at least one block made of a hydrogenated aromatic vinyl/conjugated diene random copolymer having the main dispersion peak of tan ? at 60° C. or below in the viscoelastic spectrum, and, if necessary, (C) a polyolefin resin with the provisos that the amount of (A) is 10 to 99.5 parts by weight and the total amount of (B) and (C) is 0.5 to 90 parts by weight, each per 100 parts by weight of the sum of (A), (B) and (C) and that the (B)/(C) weight ratio is 100/0 to 20/80.

Abstract: A shaped resin article comprising a polyamide (A) (comprising at least two different polyamide components), a polyphenylene ether (B) and a partially hydrogenated block copolymer (C) (obtained by partially hydrogenating a block copolymer comprising an aromatic vinyl polymer block and a conjugated diene polymer block) including a block copolymer (C-1) having a number average molecular weight of from 200,000 to 300,000, wherein (A) is present as a continuous phase in which (B) is dispersed to form a dispersed phase, and (C) is present in the continuous phase of (A) and/or the dispersed phase of (B), wherein the surface area of the polyamide (A) exposed on the overall surface of the shaped resin article is at least 80%, based on the surface area of the shaped resin article.

Abstract: A ramp for hard discs which is obtained by molding a resin composition containing (A) a polyoxymethylene resin, and (B) at least one polymeric lubricant selected from the group consisting of (b-1) a polyolefin resin, and (b-2) a polymer obtained by polymerizing an isocyanate compound and a polyalkylene oxide, and which has an excellent sliding property and no deterioration of sliding property due to solvent washing.

Abstract: A polyoxymethylene resin composition is provided which comprises a polyoxymethylene resin (A), a silicone compound-grafted polyolefinic resin (B-1) and a silicone compound (B-2), the amount of the silicone compound-grafted polyolefinic resin (B1) being 0.05 to 10 parts by weight on the basis of 100 parts by weight of the polyoxymethylene resin (A), and the ratio of (B1)/(B2) by weight in the composition being 99/1 to 70/30.

Abstract: A polyoxymethylene resin composition comprising: (A) 50 to 99 parts by weight of a polyoxymethylene resin; (B) 1 to 50 parts by weight of a wollastonite having a volume-average particle diameter of 0.5 to 40 &mgr;m; (C) 0.1 to 10 parts by weight of at least one member selected from the group consisting of an ester of an alcohol and a fatty acid, an ester of an alcohol and a dicarboxylic acid, and a compound of a polyoxyalkylene glycol based on 100 parts by weight of the total amount of Component (A) and Component (B); and (D) 0.1 to 10 parts by weight of a polyolefin resin based on 100 parts by weight of the total amount of Component (A) and Component (B). The composition of the present invention provides a molded product which is excellent in resistance to friction and wearing, has high stiffness, repeated impact strength, and small molding strain, and is excellent in gear precision as compared with conventional compositions.