| 摘要 |
PURPOSE:To obtain the title nonblooming composition excellent in impact resistance, flame retardancy and moldability, by mixing a polyamide with a specified modified block (graft) copolymer and at least one flame retardant selected from among an organohalogen compound, a nitrogen compound and a phosphorus compound. CONSTITUTION:A hydrogenated block copolymer (a) is obtained by hydrogenating a block copolymer obtained by block-copolymerizing 5-60wt.% vinylaromatic compound such as styrene with 95-40wt.% conjugated diene compound such as butadiene to a degree of unsaturation <=20%. Component (a) is optionally graft-polymerized with a radical-degradable polymer such as PP or butyl rubber to obtain a block graft copolymer (a'). Component (a) or (a') is modified with a modifier containing a functional group which can bond to or react with component A to obtain a modified block (graft) copolymer (B). A polyamide (A) is mixed with component B, and a flame retardant (C) selected from among an organohalogen compound, a nitrogen compound and a phosphorus compound of any one of formula I-II [wherein R1-3 are each a (halo)alkyl or the like]. |
