| 超支化聚合物对聚丙烯流变性及力学性能的影响 |
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| 引用本文： | 胡明,徐德增,郭静. 超支化聚合物对聚丙烯流变性及力学性能的影响[J]. 大连工业大学学报, 2007, 26(2) |
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| 作者姓名： | 胡明 徐德增 郭静 |
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| 作者单位： | 大连工业大学化工与材料学院,辽宁大连,116034;大连工业大学化工与材料学院,辽宁大连,116034;大连工业大学化工与材料学院,辽宁大连,116034 |
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| 摘 要： | 通过在聚丙烯(PP)中引入超支化聚合物形成共混体系,对超支化聚合物与聚丙烯共混后的性质进行了研究.结果表明,共混体系为非牛顿假塑性流体,随着超支化聚合物含量增大,表观黏下降,非牛顿流动指数降低,加工温度下降.超支化聚合物质量分数为2%时,拉伸强度上升约10%.
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| 关 键 词： | 超支化聚合物 聚丙烯 流变性 力学性能 |
Effects of hyperbranched polymer on rheological and mechanical properties of polypropylene |
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| HU Ming,XU De-zeng,GUO Jing. Effects of hyperbranched polymer on rheological and mechanical properties of polypropylene[J]. Journal of Dalian Dalian Polytechnic University, 2007, 26(2) |
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| Authors: | HU Ming XU De-zeng GUO Jing |
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| Abstract: | The blending system containing hyperbranched polymer and polypropylene was prepared and characterized.The blend systems were non-Newtonian and shear-thinning fluid.The apparent viscosity,the non-Newtonian fluid index and processing temperature decreased with the increasing hyperbranched polymer content.The tensile strength was increased by about 10% when the content of hyperbranched polyamide was 2%. |
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| Keywords: | hyperbranched polymer polypropylene rheological property mechanical property |
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