FLAME RETARDANT, FLAME-RETARDED RESIN COMPOSITIONS, AND PROCESS FOR PRODUCTION OF THE FLAME RETARDANT

摘要

Flame-retarded resin compositions prepared by incorporating a resin to be flame-retarded with an acrylonitrile /styrene polymer having sulfonic acid groups and/or sulfonate salt groups which are introduced thereinto by sulfonation with a sulfonating agent having a water content of less than 3 wt%.