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发明公开
CN102295802A 高韧性、高强度聚丙烯组合物及其制备方法 有权

高韧性、高强度聚丙烯组合物及其制备方法
摘要：
本发明公开了一种高韧性、高强度聚丙烯树脂组合物，以聚丙烯的重量为百分之百计，树脂组合物包括：(1)100％聚丙烯；(2)9％～18％羧基丁苯胶乳改性粉末丁苯橡胶；(3)13％～24％功能化无机填料；(4)5％～10％接枝聚丙烯，其中的功能化无机填料是经偶联剂、羧基胶乳共同处理得到的。该聚丙烯树脂组合物冲击性能较聚丙烯基料提高10倍以上，强度提高50％以上，而刚性得到保持，组合物的生产方法具有流程短、工艺简单、工艺条件易于控制等优点，获得的聚丙烯组合物可广泛替代ABS等工程材料，用于制作大型薄壁制品。本发明还进一步公开了组合物的制备方法。
摘要（英）：

The invention discloses a high-toughness and high-strength polypropylene resin composition. The resin composition comprises (calculated as the weight of the polypropylene): (1) 100% of the polypropylene; (2) 9-18% of carboxylic styrene butadiene latex modified powder styrene butadiene rubber; (3) 13-24% of a functionalized inorganic filler; (4) 5-10% of grafted polypropylene. The functionalized inorganic filler is prepared through common treatment by a coupling agent and carboxylic latex. According to the present invention, compared to the polypropylene base material, the impact resistance ofthe polypropylene resin composition is improved by more than 10 times, the strength of the polypropylene resin composition is improved by more than 50%, and the rigidity is maintained; the productionmethod for the composition has advantages of short process, simple technology, easily controllable technology condition and the like; the prepared polypropylene composition can widely replace ABS andother engineering materials, and is applicable for preparing the large-scale thin-walled product. The invention further discloses a preparation method for the composition.

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