| 基于超临界CO2制备熔体微分静电纺聚丙烯纤维 |
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| 引用本文： | 陈明钟,杨卫民,李好义,陈承涛,丁玉梅,秦柳.基于超临界CO2制备熔体微分静电纺聚丙烯纤维[J].中国塑料,2016,30(6):70-73. |
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| 作者姓名： | 陈明钟 杨卫民 李好义 陈承涛 丁玉梅 秦柳 |
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| 作者单位： | 1. 北京化工大学2. 北京化工大学英蓝实验室3. 宁波格林美孚新材料科技有限公司 |
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| 摘 要： | 通过密封的压力容器将聚丙烯（PP）和超临界CO2混合，形成气固均相体系，采用熔体微分静电纺丝法制备PP和超临界CO2均相体系纤维；研究超临界CO2混合以及混合后形成的均相体系进行升温处理对制备纤维的影响。结果表明，纯PP、PP和超临界CO2混合后形成的均相体系以及对均相体系升温处理后，制备的纤维平均直径分别为12.8、8.02、5.08 μm；PP和超临界CO2混合后，聚合物的黏度得到降低；PP和超临界CO2混合后，制备的纤维结晶度得到降低。
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| 关 键 词： | 聚丙烯 熔体微分静电纺丝 超临界二氧化碳 黏度 结晶度 |
| 收稿时间： | 2015-08-03 |
Properties of PP Fibers Prepared by Melt Differential Electrospinning with Supercritical CO2 |
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| Abstract: | In this experiment PP and supercritical CO2 (SC-CO2) were first mixed in a sealed pressure vessel to form a homogeneous system, which was spun to fiber through melt differential electrospinning. The effect of supercritical CO2 on the fiber was studied. The average diameters of the fiber made from neat PP, PP and mixture of PP and SC-CO2 were 12.8, 8.02, 5.08 μm, respectively. After being mixed with supercritical CO2 the viscosity of PP melt, and the crystallinity of solid PP were decreased. |
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| Keywords: | polypropylene melt differential electrospinning supercritical carbon dioxide density crystallinity |
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