A flameproof thermoplastic resin composition is substantially free of phenolic resin, red phosphorous and silicone resin and comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing resin comprising (a1) about 20-95% by weight of a styrene-containing graft copolymer resin containing about 19-50% by weight of acrylonitrile in the copolymer excluding rubber and (a2) about 5-80% by weight of a styrene-containing copolymer containing about 19-50% by weight of acrylonitrile; (B) about 5-60 parts by weight of a polyphenylene ether resin; (C) about 2-40 parts by weight of a compatabilizer comprising (c1) a styrene-containing copolymer containing about 5-18% by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B) or (c2) a styrene-containing graft copolymer having up to about 60% by weight of rubber wherein the compatabilizer contains about 5-18% by weight of acrylonitrile in the copolymer excluding rubber, per 100 parts by weight of the sum of (A) and (B); and (D) about 5-30 parts by weight of an aromatic phosphoric acid ester per 100 parts by weight of the sum of (A) and (B). The physical properties and flame retardance of the resin compositions according to the present invention are adversely affected by the presence of 3% or more by weight of polycarbonate based on the total weight of the composition.
一种阻燃热塑性
树脂组合物,基本上不含
酚醛
树脂、红
磷和
硅树脂,并包括(A)约40-95重量份的橡胶改性
苯乙烯树脂,其中包括(a1)约20-95重量%的
苯乙烯接枝共聚
树脂,该共聚
树脂中不包括橡胶,含有约19-50重量%的
丙烯腈;(a2)约5-80重量%的
苯乙烯共聚
树脂,其中含有约19-50重量%的
丙烯腈;(B)约5-60重量份的多
酚类醚
树脂;(C)约2-40重量份的相容剂,包括(c1)每100份(A)和(B)的重量和中含有约5-18重量%的
丙烯腈的
苯乙烯共聚
树脂,或(c2)具有多达约60重量%的橡胶的
苯乙烯接枝共聚物,其中相容剂中的共聚物不包括橡胶,每100份(A)和(B)的重量和中含有约5-18重量%的
丙烯腈;以及(D)每100份(A)和(B)的重量和中约5-30重量份的芳香
磷酸酯。根据本发明的
树脂组合物的物理性能和阻燃性受到总重量的3%或更多的聚
碳酸酯存在的不利影响。