Preparation of Ultra-nano Talcum in Sand Mill and Its Application in the Polypropylene

查看全文 作　　者：[1]宋娜;ZHANG [1]Xiaoji;SHI [1,2]Liyi;[2]丁鹏;FU [3]Yi;PENG [3]Zhihong

机构地区：[1]Research Center of Nanoscience and Nanotechnology, Shanghai University;[2]Dongguan-SHU Institute of Nanotechnology (DSINT);[3]Guangdong Silver Age Sci & Tech Co., Ltd.

出　　处：《Journal of Wuhan University of Technology(Materials Science)》索引2013年第28卷第1期,共5页

基　　金：Funded by the Foundation of Shanghai Science and Technology Committee (Nos.10521100602, 10DZ2211400);Foundation of Guangdong Province (No.2011A090200082);China Postdoctoral Science Foundation, and Research Foundation for the Excellent Youth Scholars of Shanghai(No.SHU-10057) 摘　　要：The grinding of ultra-fine talcum powder and its application in a polypropylene (PP) matrix were investigated. Ultra-fine talcum powder was prepared by adjusting the grinding parameters of the physical milling process. The talcum powder exhibited polymodal distribution. The layered morphology of talcum particles in a horizontal sand mill was rarely damaged or destroyed. PP-talcum nanocomposites were prepared by melt blending using a twin-screw extruder. Nano talcum can be seen as a single particle, although it is not very apparent. The bending strength of talcum-filled PP was gradually increased by approximately 28%. The impact strength linearly decreased as the filler weight ratio increased. The overall maximum improvement in mechanical properties was recorded when the filler ratios increased from 15 wt% to 20 wt%. 关键词：超细滑石粉纳米复合材料砂磨机聚丙烯制备应用双螺杆挤出机研磨参数

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Preparation of Ultra-nano Talcum in Sand Mill and Its Application in the Polypropylene

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