研究了NaOH和丙烯酸改性甘蔗纤维与热塑性聚氨酯(TPU)对不饱和聚酯(UPR)/TPU/甘蔗纤维复合材料力学性能的影响.采用热重分析(TGA)方法进行表征,用扫描电镜观察了复合材料冲击断面的形貌,并测试了复合材料的力学性能.结果表明,加入适量改性甘蔗纤维提高了UPR复合材料的拉伸强度、弯曲强度和热稳定性,但降低了冲击强度;TPU的加入大幅度提高了复合材料的冲击强度,但降低了拉伸强度、弯曲强度和热稳定性.当改性甘蔗纤维与TPU并用时,对UPR起到很好的增强和增韧效果.扫描电镜(SEM)揭示,TPU进一步提高了改性甘蔗纤维与UPR之间的相容性.
参考文献
| [1] | S.P. Lin;J.H. Shen;J.L. Han;Y.J. Lee;K.H. Liao;J.T. Yeh;F.C. Chang;K.H. Hsieh .Volume shrinkages and mechanical properties of various fiber-reinforced hydroxyethyl methacrylate-polyurethane/unsaturated polyester composites[J].Composites science and technology,2008(3/4):709-717. |
| [2] | Chang-jiang You,Jin-guo Xu,SONG Xi,Xiao-xia Duan,Jie SHEN,De-min Jia.PROPERTIES AND MORPHOLOGY OF UNSATURATED POLYESTER/ACRYLATE-TERMINATED POLYURETHANE/ORGANO-MONTMORILLONITE NANOCOMPOSITES[J].高分子科学（英文版）,2005(05):471-478. |
| [3] | N. S. M. El-Tayeb .A study on the potential of sugarcane fibers/polyester composite for tribological applications[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2008(1/2):223-235. |
| [4] | T. Corbiere-Nicollier;B. Gfeller Laban;L. Lundquist;Y. Leterrier;J.-A. E. Manson;O. Jolliet .Life cycle assessment of biofibres replacing glass fibres as reinforcement in plastics[J].Resources, Conservation and Recycling,2001(4):267-287. |
| [5] | 张丽,冯绍华,王超,刘文莉,王文芳,于冠蕾.甘蔗渣聚丙烯复合材料的研究[J].塑料,2007(04):18-21,58. |
| [6] | 林茂青,张玉军,刘胜平,金镇镐.聚氨酯改性不饱和聚酯树脂的研究[J].哈尔滨理工大学学报,2002(03):55-58. |
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