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    SILICON CARBIDE CONTAINING THERMOPLASTIC COMPOSITIONS, METHOD OF PREPARING, AND ARTICLES COMPRISING THE SAME
    3.
    发明申请
    SILICON CARBIDE CONTAINING THERMOPLASTIC COMPOSITIONS, METHOD OF PREPARING, AND ARTICLES COMPRISING THE SAME 审中-公开
    含有热塑性组合物的碳化硅，制备方法和包含其的制品

    公开(公告)号：US20090170998A1

    公开(公告)日：2009-07-02

    申请号：US11965952

    申请日：2007-12-28

    申请人： Deval Gupta ,  Raja Krishnamurthy ,  Vitthal Abaso Sawant ,  Rajashekhar Shiddappa Totad ,  Sandeep Tyagi

    发明人： Deval Gupta ,  Raja Krishnamurthy ,  Vitthal Abaso Sawant ,  Rajashekhar Shiddappa Totad ,  Sandeep Tyagi

    IPC分类号： C08K3/34

    CPC分类号： C08K3/14 ,  C08K3/34 ,  C08L25/12 ,  C08L55/02 ,  C08L69/00 ,  C08L2666/24 ,  C08L2666/02

    摘要： Disclosed herein is a thermoplastic composition comprising about 49.9 to about 99.9 parts by weight of a polycarbonate polymer, up to about 50 parts by weight of an impact modifier, and about 0.1 to about 30 parts by weight silicon carbide particles, wherein the amounts of the polycarbonate polymer, impact modifier, and silicon carbide are each based on 100 parts by weight of the polycarbonate, silicon carbide particles, and impact modifier, wherein the thermoplastic composition has a melt volume rate (MVR) of greater than or equal to 5 cc/10 min. when measured at a temperature of 300° C. under a load of 1.2 kg according to ISO 1133, and wherein an article molded from the thermoplastic composition has a notched Izod impact (NII) of greater than or equal to 4 kJ/m2, when measured at a temperature of 23° C. and using a 2.7 J hammer, according to ISO 180. A method of making the composition, and articles formed therefrom, are also claimed.

    摘要翻译： 本文公开了一种热塑性组合物，其包含约49.9至约99.9重量份的聚碳酸酯聚合物，至多约50重量份的抗冲改性剂和约0.1至约30重量份的碳化硅颗粒，其中 聚碳酸酯聚合物，抗冲击改性剂和碳化硅各自基于100重量份的聚碳酸酯，碳化硅颗粒和抗冲改性剂，其中热塑性组合物的熔体体积速率（MVR）大于或等于5cc / 10分钟 当根据ISO 1133在1.2kg的负荷下在300℃的温度下测量时，由热塑性组合物模制的制品具有大于或等于4kJ / m 2的缺口伊佐德冲击（NII），当时 在23℃的温度下测量，并使用根据ISO 180的2.7J锤。还要求保护组合物及由其形成的制品的方法。

    Thermoplastic polycarbonate compositions
    10.
    发明授权
    Thermoplastic polycarbonate compositions 有权
    热塑性聚碳酸酯组合物

    公开(公告)号：US07858680B2

    公开(公告)日：2010-12-28

    申请号：US12344714

    申请日：2008-12-29

    申请人： Vitthal Abaso Sawant ,  Srinivas Siripurapu ,  Raja Krishnamurthy ,  Sandeep Tyagi

    发明人： Vitthal Abaso Sawant ,  Srinivas Siripurapu ,  Raja Krishnamurthy ,  Sandeep Tyagi

    IPC分类号： C08K5/523

    CPC分类号： C08L69/00 ,  C08G77/448 ,  C08K5/523 ,  C08L51/04 ,  C08L55/02 ,  C08L83/10 ,  C08L83/12 ,  C08L2666/02

    摘要： Disclosed herein is a thermoplastic composition comprising: a polycarbonate; an impact modifier; a polycarbonate-polysiloxane copolymer; a poly(arylene ether)-polysiloxane copolymer; and an organophosphate in an amount of 2 to 20 weight percent based on the combined weight of polycarbonate, impact modifier, polycarbonate-polysiloxane copolymer, and poly(arylene ether)-polysiloxane copolymer, wherein the composition has a notched Izod impact strength of greater than or equal to 4 kilojoules per square meter (kJ/m2) as determined according to ISO 180/A, a melt viscosity rate of less than or equal to 130 Pascal seconds (Pa·s) as determined according to ISO11443 at 1500 s−1 and 280° C., and a UL94 rating of V1 or better at 0.8 millimeter thickness.

    摘要翻译： 本文公开了一种热塑性组合物，其包含：聚碳酸酯; 抗冲改性剂 聚碳酸酯 - 聚硅氧烷共聚物; 聚（亚芳基醚） - 聚硅氧烷共聚物; 和基于聚碳酸酯，抗冲改性剂，聚碳酸酯 - 聚硅氧烷共聚物和聚（亚芳基醚） - 聚硅氧烷共聚物的组合重量的2至20重量％的有机磷酸酯，其中组合物具有大于 或等于根据ISO 180 / A确定的4千焦耳/平方米（kJ / m 2），根据ISO11443在1500s -1下测定的熔融粘度率小于或等于130帕斯卡秒（Pa·s） 和280℃，在0.8毫米厚度下的UL94等级为V1或更好。