| 过滤材料用熔喷聚对苯二甲酸丁二醇酯切片的性能研究 |
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| 引用本文： | 王琳,叶敏,文珍稀,王依民. 过滤材料用熔喷聚对苯二甲酸丁二醇酯切片的性能研究[J]. 合成纤维, 2010, 39(12): 22-25 |
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| 作者姓名： | 王琳 叶敏 文珍稀 王依民 |
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| 作者单位： | 东华大学材料科学与工程学院,上海,201620;纤维材料改性国家重点实验室,上海,201620 |
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| 基金项目： | 上海市重点学科资助项目 |
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| 摘 要： | 通过对Ticona公司的聚对苯二甲酸丁二醇酯(PBT)切片性能的测试,分析了其热性能、结晶性能以及流变性能。实验结果表明:该种熔喷专用PBT切片熔点为224.7℃,分解温度为382.3℃;随着降温速率的增大,体系结晶峰值温度降低,结晶速率加快;随着体系温度的升高,PBT熔体非牛顿指数增大,体系流动性增强,易于熔喷纺丝。
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| 关 键 词： | 聚对苯二甲酸丁二醇酯 熔喷 过滤 性能 |
The Study on Properties of Melt Blown Poly(butylene terephthalate) for Filter |
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| WANG Lin,YE Min,WEN Zhen-xi,WANG Yi-min. The Study on Properties of Melt Blown Poly(butylene terephthalate) for Filter[J]. Synthetic Fiber in China, 2010, 39(12): 22-25 |
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| Authors: | WANG Lin YE Min WEN Zhen-xi WANG Yi-min |
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| Affiliation: | 1.College of Material Science and Engineering,Donghua University,Shanghai 201620,China;2.State Key Lab for Modification of Chemical Fibers and Polymer Materials,Shanghai 201620,China) |
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| Abstract: | Through testing of poly（butylene terephthalate）（PBT） chips,its thermal stability,crystallinity and rheological properties are investigated.The results show that the melting point and decomposition temperature of PBT were 224.7 ℃ and 382.3 ℃ respectively.As the cooling rate of the system increasing,the crystallization rate of PBT increased while its crystalline peak reduced.Non-Newtonian index of PBT varied as a function of temperature.The mobility enhancement of PBT at high temperature improved its processability through melt blown. |
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| Keywords: | poly（butylene terephthalate） melt blown filtration property |
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