| 聚氨酯/纳米碳酸钙改性聚甲醛的研究 |
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| 引用本文： | 张美玲,曲敏杰,李健丰,崔旺,李婷.聚氨酯/纳米碳酸钙改性聚甲醛的研究[J].塑料科技,2010,38(2). |
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| 作者姓名： | 张美玲 曲敏杰 李健丰 崔旺 李婷 |
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| 作者单位： | 1. 大连工业大学化工与材料学院,辽宁,大连,116034
2. 大连理工大学化工学院,辽宁,大连,116012 |
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| 基金项目： | 大连市青年科技基金资助项目(2008J23JH039);;辽宁省教育厅A类项目(2009A079) |
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| 摘 要： | 采用机械共混方法,制备了聚甲醛/热塑性聚氨酯/纳米碳酸钙(POM/TPU/nano-CaCO3)复合材料。研究了TPU/nano-CaCO3配比及用量对复合材料力学性能的影响,并用差热分析仪(DSC)及偏光显微镜(PLM)对复合材料的结晶性能和微观形态结构进行了分析。结果表明:当TPU与nano-CaCO3的总用量为10份,其中TPU与nano-CaCO3的质量比为7:3时,体系的缺口冲击强度出现最大值12.84kJ/m2,比纯POM提高了88.5%。同时TPU和nano-CaCO3的加入降低了POM的结晶度,缩小了球晶尺寸。
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| 关 键 词： | 聚甲醛 纳米碳酸钙 热塑性聚氨酯弹性体 增韧 结晶 |
Study on POM Modified by TPU/Nano-CaCO3 |
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| Zhang Meiling,Qu Mingjie,Li Jianfeng,Cui Wang,Li Ting.Study on POM Modified by TPU/Nano-CaCO3[J].Plastics Science and Technology,2010,38(2). |
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| Authors: | Zhang Meiling Qu Mingjie Li Jianfeng Cui Wang Li Ting |
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| Affiliation: | Zhang Meiling1,Qu Minjie1,Li Jianfeng2,Cui Wang1,Li Ting11.School of Chemical , Material,Dalian Polytechnic University,Dalian 116034,China 2.School of Chemical Engineering,Dalian University of Technology,Dalian 116012,China |
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| Abstract: | Polyoxymethylene (POM)/thermoplastic polyurethane (TPU)/nano-CaCO3 composites were prepared by mechanical blending.The effects of ratio and content of TPU/nano-CaCO3 on mechanical properties of POM/TPU/nano-CaCO3 composites were studied.The crystallinity and microstructure of composites were investigated by DSC and PLM.The results show that when the total use amount of TPU/nano-CaCO3 is 10 phr and the ratio of TPU/nano-CaCO3 is 7/3,the notched impact strength of the composite reaches the maximum value (12.8... |
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| Keywords: | Polyoxymethylene Nano-calcium carbonate Thermoplastic polyurethane elastomer Toughening Crystallization |
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