| HDPE/PC分散相纤维化及其原位复合材料的研究 |
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| 引用本文： | 罗卫华,周南桥. HDPE/PC分散相纤维化及其原位复合材料的研究[J]. 塑料工业, 2004, 32(4): 16-18 |
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| 作者姓名： | 罗卫华 周南桥 |
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| 作者单位： | 华南理工大学聚合物新型成型装备国家工程研究中心聚合物成型加工工程教育部重点实验室,广东,广州,510640;华南理工大学聚合物新型成型装备国家工程研究中心聚合物成型加工工程教育部重点实验室,广东,广州,510640 |
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| 摘 要： | 将高密度聚乙烯(HDPE)和聚碳酸酯(PC)在双螺杆挤出机中熔融共混挤出，通过改变对挤出物施加的牵引速度，研究了拉伸力场对HDPE／PC共混物的形态及其原位复合材料性能的影响。结果表明，随着牵引速度的提高，纤维状分散相所占比例增加，但纤维直径无明显变化；HDPE／PC原位复合材料与其普通共混材料相比，拉伸强度基本无变化，但冲击强度提高较大。
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| 关 键 词： | 高密度聚乙烯 聚碳酸酯 纤维化 原位复合 |
| 文章编号： | 1005-5770(2004)04-0016-03 |
| 修稿时间： | 2003-12-05 |
Fibrillating and Mechanical Properties of HDPE/PC In-situ Composite |
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| LUO Wei hua,ZHOU Nan qiao. Fibrillating and Mechanical Properties of HDPE/PC In-situ Composite[J]. China Plastics Industry, 2004, 32(4): 16-18 |
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| Authors: | LUO Wei hua ZHOU Nan qiao |
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| Abstract: | High density polyethylene (HDPE) and polycarbonate (PC) were melt blended and extruded with a twin screw extruder The effect of extentional field on the morphology of HDPE/PC blends and mechanical properties of HDPE/PC in situ composite was studied by changing draw rate The results showed that the fibrillating of dispersed phase enhanced with the increase of draw rate, but no visible change in diameter of fibers was observed Compared with HDPE/PC normal blend material, the tensile strength of HDPE/PC in situ composite almost remained unchanged, but its notch impact strength had a large improvement |
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| Keywords: | HDPE PC Fibrillating In situ Composition |
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