| 熔融指数对聚丙烯熔体流动性及纤维强度的影响 |
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| 引用本文： | 王全华,付中玉. 熔融指数对聚丙烯熔体流动性及纤维强度的影响[J]. 北京服装学院学报(自然科学版), 2004, 24(4): 27-31,51 |
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| 作者姓名： | 王全华 付中玉 |
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| 作者单位： | 北京服装学院 |
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| 摘 要： | 研究了不同熔融指数的聚丙烯熔体的表观粘度对温度、切应力的依赖关系以及切应力与切变速率的关系,研究比较了相应聚丙烯纤维的拉伸强度.结果表明:熔融指数对聚丙烯熔体流动性具有显著影响;在相同的纺丝、牵伸条件下,用熔融指数较低的聚丙烯(相对分子量较高)制得的纤维强度较高.
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| 关 键 词： | 聚丙烯 熔融指数 流动性 强度 |
| 文章编号： | 1001-0564(2004)04-0027-05 |
The Influence of Melt Index on Flowing Behavior of Polypropylene and the Tenacity of the Produced Fibers |
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| WANG Quan-hua,FU Zhong-yu. The Influence of Melt Index on Flowing Behavior of Polypropylene and the Tenacity of the Produced Fibers[J]. Journal of Beijing Institute of Clothing Technology, 2004, 24(4): 27-31,51 |
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| Authors: | WANG Quan-hua FU Zhong-yu |
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| Abstract: | Discussed the dependence relation of apparent viscosity of polypropylene with different melt index on temperature and shear stress, investigated the correlation of shear stress and shear rate and compared the tensile-strength of polypropylene fiber. The results showed that the melt index had significant effect on polypropylene melt. At the same condition such as spinning and drawing, the high-tenacity fiber could be obtained by using lower melt index polypropylene. |
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| Keywords: | polypropylene melt index tenacity flowing behaviors |
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