| 复合成核剂对PBT结晶行为的影响 |
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| 引用本文： | 秦立福,李桂娟,李娜娜,马丽娜,康海洋.复合成核剂对PBT结晶行为的影响[J].塑料工业,2011,39(12). |
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| 作者姓名： | 秦立福 李桂娟 李娜娜 马丽娜 康海洋 |
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| 作者单位： | 长春工业大学化学工程学院,吉林长春,130012 |
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| 摘 要： | 采用熔融共混法制备了聚对苯二甲酸丁二醇酯(PBT)和成核剂二苄山梨醇(DBS)或苯甲酸钠(SB)的共混物,通过差示扫描量热仪(DSC)、X射线衍射仪(XRD)、偏光显微镜(PLM)分析了各成核剂对PBT的结晶行为的影响,结果表明:添加任何一种成核剂均能明显改善PBT的结晶行为,即加快结晶速度、提高结晶度、细化晶体及完善晶体形态;其中复合成核剂要明显优于单一成核剂,复合成核剂中SB的影响程度要大于DBS。还采用热重分析(TGA)仪对体系的热性能进行了研究,发现成核剂的加入并未降低体系的热性能。
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| 关 键 词： | 聚对苯二甲酸丁二醇酯 复合成核剂 结晶 热性能 |
Effects of Complex Nucleating Agent on Crystallization Behavior of PBT |
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| QIN Li-fu,LI Gui-juan,LI Na-na,MA Li-na,KANG Hai-yang.Effects of Complex Nucleating Agent on Crystallization Behavior of PBT[J].China Plastics Industry,2011,39(12). |
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| Authors: | QIN Li-fu LI Gui-juan LI Na-na MA Li-na KANG Hai-yang |
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| Affiliation: | QIN Li-fu,LI Gui-juan,LI Na-na,MA Li-na,KANG Hai-yang(School of Chemical Engineering,Changchun University of Technology,Changchun 130012,China) |
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| Abstract: | Blends of polybutylene terephthalate(PBT)and different nucleating agents as dibenzyl sorbitol(DBS)or sodium benzoate(SB)were prepared by melt blending.The effects of each nucleating agents on crystallization behavior of PBT were analyzed by DSC,XRD and PLM.The results showed that:adding any kind of nucleating agent can improve the crystallization behavior of PBT,accelerate the crystallization rate,improve the crystallinity and reduce the crystal size.Then complex nucleating agent was much better than single... |
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| Keywords: | PBT Complex Nucleating Agent Crystallization Thermal Property |
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