| PET/PLA共混物相容性和结晶性能的研究 |
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| 引用本文： | 夏学莲,刘文涛,朱诚身,何素芹,王丽娜. PET/PLA共混物相容性和结晶性能的研究[J]. 中国塑料, 2012, 0(4): 35-39 |
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| 作者姓名： | 夏学莲 刘文涛 朱诚身 何素芹 王丽娜 |
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| 作者单位： | 郑州大学材料科学与工程学院;河南工程学院材料与化学工程系 |
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| 摘 要： | 研究了相容剂钛酸四丁酯[Ti(OBu)4]含量、聚乳酸(PLA)含量对聚对苯二甲酸乙二醇酯(PET)/PLA共混物相容性的影响,探讨了共混物的熔融和结晶行为,并对其结晶形貌进行了观察。结果表明,Ti(OBu)4含量为PLA的4%(质量分数,下同)时,PET/PLA共混物的相容性良好,但当PLA含量超过30%时,共混物出现相分离;PLA的加入使PET的结晶峰变窄,结晶速率增加,且结晶峰温度向高温方向移动;PLA的加入使PET的晶粒尺寸大幅减小,晶粒数目大幅增加,结晶更加完善。
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| 关 键 词： | 聚对苯二甲酸乙二醇酯 聚乳酸 相容性 结晶性能 |
Research on Compatibility and Crystallization of PET/PLA Blends |
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| XIA Xuelian,LIU Wentao,ZHU Chengshen,HE Suqin,WANG Lina. Research on Compatibility and Crystallization of PET/PLA Blends[J]. China Plastics, 2012, 0(4): 35-39 |
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| Authors: | XIA Xuelian LIU Wentao ZHU Chengshen HE Suqin WANG Lina |
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| Affiliation: | 1,2 (1.School of Materials Science and Engineering,Zhengzhou University,Zhengzhou 450052,China; 2.Department of Materials and Chemical Engineering,Henan Institute of Engineering,Zhengzhou 450007,China) |
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| Abstract: | The effects of tetrabutyl titanate[Ti(OBu)4] and poly(lactic acid)(PLA) on the compatibility of poly(ethylene terephthalate)(PET)/PLA blends were investigated.The melting/crystallization behavior and morphology of the blends were studied.It showed that the blends were compatible when the Ti(OBu)4 content was 4 % of PLA contents;When PLA content was above 30 %,the blends appeared phase separation.The addition of PLA to PET increased the crystallization rate and the crystallization temperature.Besides,the crystal size decreased. |
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| Keywords: | poly(ethylene terephthalate) poly(lactic acid) compatibility crystallization |
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