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    • 5. 发明授权
    • Transparent thermoplastic compositions having high flow and ductiliy, and articles prepared therefrom
    • 具有高流动性和导管性的透明热塑性组合物和由其制备的制品
    • US08084134B2
    • 2011-12-27
    • US12324060
    • 2008-11-26
    • Jon M. MalinoskiSriramakrishna MaruvudaAnirudha Singh
    • Jon M. MalinoskiSriramakrishna MaruvudaAnirudha Singh
    • B32B9/04C08G77/04
    • C08L69/005C08L83/10Y10T428/269Y10T428/31663C08L83/00C08L2666/14
    • Disclosed herein is a thermoplastic composition comprising a combination of: a polysiloxane-polycarbonate copolymer and a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units of the formula (8a): wherein m is 4 to 18, wherein the thermoplastic composition has a melt volume rate of 14 cc/10 min to 22 cc/10 min at 300° C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, wherein an article molded from the thermoplastic composition and having a thickness of 3.2 mm has a percent transmittance of greater than 85% according to ASTM D1003-00, and wherein 100% of a set of five test articles each having a thickness of 3.2 mm and molded from the thermoplastic composition exhibit ductile fracture at −40° C. when measured for notched Izod Impact according to ASTM D256-04. An article comprising the thermoplastic composition is also disclosed.
    • 本文公开了一种包含以下组合的热塑性组合物:聚硅氧烷 - 聚碳酸酯共聚物和包含式(8a)的软嵌段酯单元的聚(脂肪族酯) - 聚碳酸酯共聚物:其中m为4至18,其中热塑性组合物具有 根据ASTM D1238-04,在300℃,负荷1.2Kg和停留时间为6分钟的情况下,熔体体积率为14cc / 10分钟至22cc / 10分钟,其中由热塑性塑料 组合物,其厚度为3.2mm,根据ASTM D1003-00具有大于85%的百分比透射率,并且其中由热塑性组合物模塑而成的厚度为3.2mm的一组五个测试制品的100%表现出延性 当根据ASTM D256-04测量缺口伊佐德冲击时,在-40℃断裂。 还公开了包含热塑性组合物的制品。