加速热老化对苎麻纤维/聚丙烯复合材料性能的影响

雷文; 许驰; 王考将

doi:10.3969/j.jssn.1000-2006.2009.05.020

雷文，许驰，王考将

南京林业大学学报（自然科学版） ›› 2009, Vol. 33 ›› Issue (05) : 89.

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南京林业大学学报（自然科学版） ›› 2009, Vol. 33 ›› Issue (05) : 89. DOI: 10.3969/j.jssn.1000-2006.2009.05.020

研究论文

加速热老化对苎麻纤维/聚丙烯复合材料性能的影响

雷文，许驰，王考将

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Effects of accelerated thermal aging on properties of ramie fibre/polypropylene composites

LEI Wen, XU Chi, WANG Kaojiang

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摘要

采用模压工艺制备苎麻纤维/聚丙烯复合材料，研究了复合材料在100℃加速热老化前后的性能。结果表明：纤维长度、纤维含量对复合材料的力学性能及熔融性能均存在明显的影响，氢氧化钠碱处理纤维及使用界面增容剂均可改善复合材料的力学性能，提高熔融峰温度。然而，热老化将明显降低复合材料的力学性能，改变熔融状态及结构形貌。

Abstract

Ramie fibre/polypropylene composites were prepared by compression molding process, and the properties of the composites were investigated by comparing the mechanical properties of composites before and after the accelerated thermal aging test at 100℃. The results showed that both the lengths and contents of the fibre had significant effects on the mechanical and melting properties of the composites. Both fibre treated with sodium hydroxide and compatibilizer could improve the mechanical properties and increase the peak melting temperatures of the composites. However，accelerated thermal aging not only decreased the mechanical properties remarkably but also altered both the melting state and the morphologies of the composites greatly.

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雷文，许驰，王考将. 加速热老化对苎麻纤维/聚丙烯复合材料性能的影响[J]. 南京林业大学学报（自然科学版）. 2009, 33(05): 89 https://doi.org/10.3969/j.jssn.1000-2006.2009.05.020

LEI Wen, XU Chi, WANG Kaojiang. Effects of accelerated thermal aging on properties of ramie fibre/polypropylene composites[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2009, 33(05): 89 https://doi.org/10.3969/j.jssn.1000-2006.2009.05.020

中图分类号： TB33 TQ325

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基金

收稿日期：2008-07-14修回日期：2009-04-16基金项目：江苏省高校自然科学研究项目(06KJD220083)作者简介：雷文(1967—)，副教授，研究方向为复合材料。Email: njfuleiwen@163.com。引文格式：雷文,许驰,王考将. 加速热老化对苎麻纤维/聚丙烯复合材料性能的影响[J]. 南京林业大学学报:自然科学版,2009,33(5):89-94.