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    • 11. 发明授权
    • Flame retardant thermoplastic resin composition
    • 阻燃热塑性树脂组合物
    • US06737453B2
    • 2004-05-18
    • US09729927
    • 2000-12-06
    • Norifumi SumimotoMasahiko NoroKunio Matsusaka
    • Norifumi SumimotoMasahiko NoroKunio Matsusaka
    • C08K552
    • C08L51/04C08F279/02C08F279/04C08K5/49C08L55/00C08L55/02C08L2666/02C08L2666/24C08L2666/04C08L2666/14
    • The present invention relates to a flame retardant thermoplastic resin composition comprising: (A) 100 parts by weight of a rubber-reinforced thermoplastic resin comprising: a graft copolymer (A1) produced by graft-polymerizing a monomer component (b) containing an aromatic vinyl compound, a cyanided vinyl compound and, if required, the other copolymerizable monomer in the presence of a rubber polymer (a) containing polymer particles having a particle size of not more than 150 nm in an amount of 0 to 15% by weight, polymer particles having a particle size of from more than 150 to less than 350 nm in an amount of 60 to 100% by weight and polymer particles having a particle size of not less than 350 nm in an amount of 0 to 40% by weight, or a mixture of the graft copolymer (A1) and a copolymer (A2) of monomer component (b′), said rubber-reinforced thermoplastic resin (A) having a graft ratio of 20 to 150% and a rubber polymer content of 8 to 20% by weight; and (B) 5 to 20 parts by weight of a phosphorus-based flame retardant comprising a condensed phosphoric acid ester, a phosphazene compound or mixture thereof.
    • 本发明涉及一种阻燃热塑性树脂组合物,其包含:(A)100重量份的橡胶增强热塑性树脂,其包含:通过将含有芳族乙烯基的单体组分(b)接枝聚合而制备的接枝共聚物(A1) 化合物,氰化乙烯基化合物,如果需要,在含有0〜15重量%的粒径为150nm以下的聚合物粒子的橡胶聚合物(a)的存在下,另外可共聚单体,聚合物 粒度为60〜100重量%以上的粒径为150〜小于350nm的粒子,0〜40重量%的粒径为350nm以上的聚合物粒子,或 接枝共聚物(A1)和单体成分(b')的共聚物(A2)的混合物,所述橡胶强化热塑性树脂(A)的接枝率为20〜150%,橡胶聚合物含量为8〜20 重量% 和(B)5〜20重量份的包含缩合磷酸酯,磷腈化合物或其混合物的磷系阻燃剂。