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发明公开
CN105802177A 阻燃性增强的聚碳酸酯组合物 无效 - 撤回

阻燃性增强的聚碳酸酯组合物
摘要：
本发明提供了阻燃性增强的聚碳酸酯组合物。组合物包含聚碳酸酯、聚碳酸酯?聚硅氧烷共聚物、脂环族烃树脂流动促进剂、无机填料、阻燃剂和抗冲改性剂。基于聚碳酸酯、聚碳酸酯?聚硅氧烷共聚物、无机填料、阻燃剂、流动促进剂、和抗冲改性剂化合物的总重量，该组合物可以包括含量为40重量％或更多的聚碳酸酯，其中所述热塑性组合物的模塑样品能够在1.2mm(±10％)的厚度达到UL94V0等级；其中所述聚合物组合物当在270℃和1500sec?1测量时的熔体粘度为185Pa·sec或更小；其中所述热塑性组合物的模塑样品根据ASTM D790确定的挠曲模量为3800?8000MPa；并且其中包含所述组合物的3.2?mm厚的模塑NII测试条根据ASTM D256在23℃确定的缺口伊佐德冲击强度为40至200J/m。
摘要（英）：

A composition containing a polycarbonate, a polycarbonate-polysiloxane copolymer, an alicyclic hydrocarbon resin flow promoter, an inorganic filler, a flame retardant and an impact modifier. The compositions may include polycarbonate in an amount of 40% by weight or more of the combined weights of the polycarbonate, polycarbonate-polysiloxane copolymer, inorganic filler, flame retardant, flow promoter, and impact modifier compound wherein a molded sample of the thermoplastic composition is capable of achieving UL94 V0 rating at a thickness of 1.2 mm (+-10%); wherein the polymer composition has a melt viscosity of 185 Pasec or less, when measured at 270 DEG C. and 1500 sec-1; and wherein a molded sample of the thermoplastic composition has a flexural modulus determined in accordance with ASTM D790 within 3800-8000 MPa; and wherein a 3.2-mm thick molded NII bar comprising the composition has a notched Izod impact strength of 40 to 200 J/m determined in accordance with ASTM D256 at 23 DEG C.

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