| 注射成型温度对PP制品收缩率的影响 |
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| 引用本文： | 苏开华,陈锋. 注射成型温度对PP制品收缩率的影响[J]. 现代塑料加工应用, 2005, 17(6): 25-27 |
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| 作者姓名： | 苏开华 陈锋 |
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| 作者单位： | 华南理工大学工业装备与控制工程学院,广州,510641 |
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| 摘 要： | 研究了影响聚丙烯（PP）制品收缩率的热膨胀、结晶和取向等因素，分别对制品模内收缩和后收缩的具体情况进行分析，揭示了注射温度和模具温度对PP制品收缩率的影响规律。
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| 关 键 词： | 聚丙烯 注射成型 成型温度 结晶度 收缩率 |
| 收稿时间： | 2005-05-25 |
| 修稿时间： | 2005-07-18 |
EFFECTS OF MOLDING TEMPERATURE ON SHRINKAGE OF PP PRODUCTS IN INJECTION MOLDING |
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| Su Kaihua,Chen Feng. EFFECTS OF MOLDING TEMPERATURE ON SHRINKAGE OF PP PRODUCTS IN INJECTION MOLDING[J]. Modern Plastics Processing and Applications, 2005, 17(6): 25-27 |
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| Authors: | Su Kaihua Chen Feng |
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| Abstract: | The expansion, crystallization and orientation of PP products in injection molding were discussed. The mould shrinkage and the after-contraction were studied by experimental methods. It showed that the melt temperature and the molding temperature have greatly complicated effects on the shrinkage of PP products. |
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| Keywords: | polypropylene injection molding molding temperature crystalline shrinkage |
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