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中国塑料 ›› 2020, Vol. 34 ›› Issue (10): 6-11.DOI: 10.19491/j.issn.1001-9278.2020.10.002
收稿日期:
2020-01-16
出版日期:
2020-10-26
发布日期:
2020-10-26
基金资助:
YU Wangwang1,2, LIU Qin1, ZHANG Ying1, YANG Cheng1, LEI Wen1()
Received:
2020-01-16
Online:
2020-10-26
Published:
2020-10-26
Contact:
LEI Wen
E-mail:njfuleiwen@163.com
摘要:
研究了马来酸酐接枝聚丙烯(MAPP)、乙烯丙烯酸共聚物(EAA)处理对聚丙烯(PP) /小麦秸秆粉(WSP)复合材料性能的影响。结果表明,随着体系中MAPP质量份数的增加,PP/WSP的拉伸强度和弯曲强度均逐渐增大,但冲击强度却先增加后减小,复合材料达到塑化峰的时间逐渐延长;使用EAA后,无论体系中是否已经使用了MAPP,PP/WSP的拉伸、弯曲和冲击强度均可得以提高,特别对于未使用MAPP的体系,效果更加明显,可分别提高65.04 %、45.42 %和6.75 %,储能模量增加,表面疏水性增强,平衡扭矩从13.9 N·m降至11.8 N·m,吸水尺寸变化率及吸水率下降,吸水平衡时间缩短;使用EAA可改善PP/WSP中WSP与PP间的界面结合,改善PP/WSP力学性能、热稳定性能、表面疏水性能、尺寸稳定性能和加工性能,降低其吸水率。
中图分类号:
余旺旺, 刘芹, 张莹, 杨晨, 雷文. MAPP/EAA处理对聚丙烯/小麦秸秆粉复合材料性能的影响[J]. 中国塑料, 2020, 34(10): 6-11.
YU Wangwang, LIU Qin, ZHANG Ying, YANG Cheng, LEI Wen. Effects of MAPP and/or Ethylene Acrylic Acid Copolymer on Properties of Polypropylene/Wheat Straw Powder Composites[J]. China Plastics, 2020, 34(10): 6-11.
样品 | 拉伸强度/MPa | 弯曲强度/MPa | 冲击强度/kJ·m?2 |
---|---|---|---|
1 | 15.56 | 30.34 | 29.02 |
2 | 25.68 | 44.12 | 30.94 |
3 | 30.36 | 46.15 | 46.88 |
4 | 35.98 | 55.26 | 26.32 |
5 | 33.12 | 49.88 | 48.02 |
样品 | 拉伸强度/MPa | 弯曲强度/MPa | 冲击强度/kJ·m?2 |
---|---|---|---|
1 | 15.56 | 30.34 | 29.02 |
2 | 25.68 | 44.12 | 30.94 |
3 | 30.36 | 46.15 | 46.88 |
4 | 35.98 | 55.26 | 26.32 |
5 | 33.12 | 49.88 | 48.02 |
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