| abstract |
PURPOSE: To prepare the title compsn. excellent in flame retardance, heat resistance, and molded appearance by compounding a specific copolymer nylon, a specific flame retardant, and a specific flame retardant aid, each in a specified amt. n CONSTITUTION: The title compsn. is prepd. by compounding: 30-90wt.% copolymer nylon comprising 80-20wt.% hexamethyleneterephthalamide units and 20-80wt.% hexamethyleneadipamide or -caproamide units; 5-35wt.% flame retardant contg. a halogenated polystyrene or a halogenated polyphenylene ether having a halogen content of 50-70wt.% and wt.-average mol.wt. of 5000 or higher; 1-10wt.% at least one flame retardant aid selected from the group consisting of Sb 2 O 3 , sodium antimonate, tin oxide, iron oxide, and zinc oxide; and, as an optional component, 50wt.% or lower inorg. reinforcement (e.g. glass fiber). n COPYRIGHT: (C)1991,JPO&Japio |