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    • 2. 发明申请
    • THERMOPLASTIC COMPOSITION, METHOD OF MAKING, AND ARTICLES FORMED THEREFROM
    • 热塑性组合物,制备方法和形成的制品
    • WO2008060723A1
    • 2008-05-22
    • PCT/US2007/074212
    • 2007-07-24
    • GENERAL ELECTRIC COMPANYGOYETTE, Jessie, AdamMULLEN, Brian
    • GOYETTE, Jessie, AdamMULLEN, Brian
    • C08L33/14C08L63/00
    • C08L69/005C08L33/068C08L63/00C08L2666/04C08L2666/22
    • A thermoplastic composition is disclosed, comprising: a polymer component comprising a polyestercarbonate copolymer comprising ester units of the formula (I), wherein each D and T is the same or different and is independently a divalent C 6-30 aromatic organic group; and carbonate units of the formula (II), wherein at least about 60 percent of the total number of R 1 groups are a divalent C 6-36 aromatic organic group, and the balance thereof are C 1-36 aliphatic, C 5-36 alicyclic, or C 6-36 aromatic organic groups; and 0.01 to 10 wt.%, based on the total weight of the polymer component, of a polymeric compound comprising at least two epoxy groups, wherein the polymeric compound has a weight average molecular weight of 1,500 to 18,000; wherein a test article having a thickness of 3.2 mm and molded from the thermoplastic composition retains more ductility after aging at 134°C and 100% humidity for 48 hours than an article having a thickness of 3.2 mm and molded from the same thermoplastic composition without the polymeric compound comprising at least two epoxy groups, each measured in accordance with ASTM D3763-02.
    • 公开了一种热塑性组合物,其包含:聚合物组分,其包含包含式(I)的酯单元的聚酯碳酸酯共聚物,其中每个D和T相同或不同,并且独立地为二价C 6-30 芳香族有机基团 和式(II)的碳酸酯单元,其中R 1〜12个基团的总数的至少约60%是二价C 6〜36 - 芳香族有机基团,和 其余为C 1〜36脂肪族,C 5〜36 - 脂环族或C 6〜36 - 芳香族有机基团; 和基于聚合物组分的总重量的0.01至10重量%的包含至少两个环氧基的聚合化合物,其中所述聚合物的重均分子量为1,500至18,000; 其中厚度为3.2mm并由热塑性组合物模塑的测试制品在134℃和100%湿度老化48小时后比在厚度为3.2mm的制品上保持更高的延展性,并且由相同的热塑性组合物模制而成, 包含至少两个环氧基团的高分子化合物,各自根据ASTM D3763-02测量。