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    • 1. 发明申请
    • Thermoplastic polyester resin composition and molded object obtained therefrom
    • 热塑性聚酯树脂组合物及其制得的成型体
    • US20060041056A1
    • 2006-02-23
    • US10530515
    • 2003-11-06
    • Takenobu SunagawaHiroshi ToneHideyuki SakamotoHiroki NakajimaYasushi NakanishiMamoru Kadokura
    • Takenobu SunagawaHiroshi ToneHideyuki SakamotoHiroki NakajimaYasushi NakanishiMamoru Kadokura
    • C08G63/48
    • C08L67/02C08L33/068C08L51/00C08L51/04C08L2666/02
    • The present invention provides a thermoplastic polyester resin composition, which exhibits stable processability in extrusion molding, blow molding and calender molding, particularly in profile extrusion and extrusion molding of boards and pipes, by efficiently enhancing melt viscosity of thermoplastic polyester resin, and gives a molded article having favorable surface properties and excellent impact strength. By compounding (B) 0.1 to 50 parts by weight of a viscosity modifier for thermoplastic polyester resin comprising (a) 3 to 95% by weight of alkyl(meth)acrylate containing an epoxy group, (b) 5 to 97% by weight of another alkyl(meth)acrylate and (c) 0 to 92% by weight of another vinyl monomer copolymerizable therewith, and having weight average molecular weight of 1,000 to 400,000; and (C) 1 to 50 parts by weight of a core-shell graft polymer, based on (A) 100 parts by weight of thermoplastic polyester resin, stable processability is exhibited in extrusion molding and a molded article having favorable surface properties and excellent impact strength is obtained.
    • 本发明提供一种热塑性聚酯树脂组合物,其通过有效提高热塑性聚酯树脂的熔融粘度,在挤出成型,吹塑成型和压延成型中特别是板材和管材的型材挤出和挤出成型中表现出稳定的加工性能, 制品具有良好的表面性能和优异的冲击强度。 通过配合(B)0.1〜50重量份的热塑性聚酯树脂用粘度调节剂,其包含(a)3〜95重量%的含有环氧基的(甲基)丙烯酸烷基酯,(b)5〜97重量% 另外(甲基)丙烯酸烷基酯和(c)0〜92重量%的可与其共聚的其它乙烯基单体,重均分子量为1,000〜400,000; 和(C)1〜50重量份的核 - 壳接枝聚合物,基于(A)100重量份的热塑性聚酯树脂,在挤出成型中表现出稳定的加工性,并且具有良好的表面性能和优异的冲击的成型品 获得强度。