| 临界状态下温度对挤出自增强PP片材结构性能的影响 |
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| 引用本文： | 陈军,胡文江,等.临界状态下温度对挤出自增强PP片材结构性能的影响[J].中国塑料,2002,16(8):81-83. |
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| 作者姓名： | 陈军 胡文江 |
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| 作者单位： | 四川大学高分子科学与工程学院 四川成都610065
(陈军，胡文江)，四川大学高分子科学与工程学院 四川成都610065(申开智) |
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| 基金项目： | 香港蒋氏工业慈善基金资助项目 |
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| 摘 要： | 采用楔形收敛流道挤出口模，临界挤出状态下获得了聚丙烯自增强片材。研究结果表明：PP自增强片材在此状态下挤出成型其纵、横向拉伸强度均有明显上升，其结晶形态为串晶互锁结构，而结晶的晶型与常规成型的PP片材相比则没有变化。
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| 关 键 词： | 临界状态 温度 自增强PP片材 结构 性能 聚丙烯 楔形流道 塑料片材 挤出成型 |
Influence of Temperature on Properties of Self-Reinforced PP Extrudates in Critical State |
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| CHEN Jun,HU Wen-jiang,SHEN Kai-zhi.Influence of Temperature on Properties of Self-Reinforced PP Extrudates in Critical State[J].China Plastics,2002,16(8):81-83. |
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| Authors: | CHEN Jun HU Wen-jiang SHEN Kai-zhi |
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| Abstract: | By the cuniform convergent channel die and critical extrusion condition, the properties of PP self-reinforced sheet was studied. Results showed that under the critical extrusion condition, longitudinal tensile strength and transverse tensile strength were increased sharply, crystal morphology was interlocking shish-kabab morphology but the crystal type was the same as the sheet extruded under ordinary processing condition. |
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| Keywords: | polypropylene cuniform channel self-reinforcement |
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