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    • 2. 发明授权
    • Compositions and articles of manufacture containing branched polycarbonate
    • 含有支链聚碳酸酯的组合物和制品
    • US09580595B2
    • 2017-02-28
    • US13896071
    • 2013-05-16
    • SABIC Global Technologies B.V.
    • Jean-Francois MorizurPeter Hendrikus Theodorus Vollenberg
    • C08L69/00
    • C08L69/00C08K5/42
    • Disclosed herein is a composition comprising: a flame retardant comprising a sulfonate salt and three polycarbonates. The first polycarbonate has a branching level of greater than or equal to 2%, a weight average molecular weight of 20,000 g/mole to 55,000 g/mole and a peak melt viscosity of greater than or equal to 25,000 poise. The second polycarbonate has a glass transition temperature greater than or equal to 170° C. The third polycarbonate has a branching level of 0 to less than 2% and a molecular weight of 17,000 to 40,000 g/mol. The composition has a heat distortion temperature greater than or equal to 145° C., ductility greater than or equal to 90% at 23° C., multi-axial impact greater than or equal to 50 Joules per meter (J/m) at 23° C., and a molded article of the composition has a UL 94 V0 rating at a thickness of 1.5 mm.
    • 本文公开了一种组合物,其包含:包含磺酸盐和三种聚碳酸酯的阻燃剂。 第一聚碳酸酯具有大于或等于2%的支化水平,20,000g / mol至55,000g / mole的重均分子量和大于或等于25,000泊的峰熔融粘度。 第二聚碳酸酯具有大于或等于170℃的玻璃化转变温度。第三聚碳酸酯的支化度为0至小于2%,分子量为17,000至40,000g / mol。 该组合物的热变形温度大于或等于145℃,延展性在23℃时大于或等于90%,多轴冲击大于或等于50焦耳/米(J / m) 23℃,组合物的成型制品的厚度为1.5mm的UL 94V0等级。