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    • 18. 发明授权
    • Flame retardant thermoplastic resin composition having excellent weatherability
    • 具有优异耐候性的阻燃热塑性树脂组合物
    • US07772303B2
    • 2010-08-10
    • US11953910
    • 2007-12-11
    • Sang Hyun HongSeon Ae LeeMin Soo LeeJin Hwan Choi
    • Sang Hyun HongSeon Ae LeeMin Soo LeeJin Hwan Choi
    • C08K5/3432C08K5/5333
    • C09K21/12
    • Disclosed herein is a flame retardant thermoplastic resin composition having excellent weatherability comprising (A) about 100 parts by weight of a rubber modified aromatic vinyl resin comprising (a1) about 15 to about 100% by weight of a grafted copolymer resin prepared by graft-polymerizing about 5 to 65% by weight of a rubbery polymer, about 10 to 95% by weight of an aromatic vinyl monomer and about 0 to 40% by weight of a monomer copolymerizable with said aromatic vinyl monomer; and (a2) about 0 to 85% by weight of a copolymer resin prepared by polymerizing about 40 to 90% by weight of an aromatic vinyl monomer and about 10 to 60% by weight of a monomer copolymerizable with said aromatic vinyl monomer; (B) about 0.1 to about 10 parts by weight of a ring-shaped alkyl phosphonate ester compound; and (C) about 0.05 to about 3 parts by weight of a HALS compound.
    • 本文公开了具有优异耐候性的阻燃热塑性树脂组合物,其包含(A)约100重量份的橡胶改性芳族乙烯基树脂,其包含(a1)约15至约100重量%的通过接枝聚合制备的接枝共聚物树脂 约5至65重量%的橡胶状聚合物,约10至95重量%的芳族乙烯基单体和约0至40重量%的可与所述芳族乙烯基单体共聚的单体; 和(a2)约0至85重量%的通过聚合约40至90重量%的芳族乙烯基单体和约10至60重量%的可与所述芳族乙烯基单体共聚的单体制备的共聚物树脂; (B)约0.1至约10重量份的环状烷基膦酸酯化合物; 和(C)约0.05至约3重量份的HALS化合物。