分别以苎麻原麻和碱麻为增强体，KH550为偶联剂，制备了苎麻增强环氧树脂复合材料，研究了偶联剂用量和纤维含量对复合材料力学性能的影响，并对拉伸断口进行了观察。结果表明：当纤维的质量分数为50％，偶联剂用量为2％时，原麻／环氧树脂复合材料的力学性能最好，拉伸强度为172．9MPa，弯曲强度达365．4MPa；当纤维的质量分数为50％，偶联剂用量为3％时，碱麻／环氧树脂复合材料具有最好的拉伸性能，拉伸强度为117．3MPa当纤维的质量分数为40%，偶联剂用量为3％时，碱麻／环氧树脂复合材料具有最好的弯曲性能，弯曲强度达293．2MPa。
The ramie reinforced epoxy resin composites were prepared by using raw ramie and raw ramie treated by alkali as reinforced material and KH550 as coupling agent. The effects of the contents of coupling agent and fiber on mechanical properties of the composite were studied and the tensile fracture was observed. The results show that the mechanical properties of raw ramie/epoxy resin composite was best when the mass fraction of fiber was 50% and the usage amount of coupling agent was 2wt%, and the tensile strength was 172. 9 MPa and the flexural strength reached 365. 4 MPa. The best tensile strength of raw ramie treated by alkali/epoxy resin composite was obtained, and the tensile strength was 117, 3 MPa when the mass fraction of fiber was 50% and the usage amount of coupling agent was 3wt%. The best flexural strength of raw ramie treated by alkali/epoxy resin composite was obtained when the mass fraction of fiber was 40% and the usage amount of coupling agent was 3wt%, and the flexural strength reached 293.2 MPa.
参考文献
| [1] | 陈健,孔振武,吴国民,储富祥.天然植物纤维增强环氧树脂复合材料研究进展[J].生物质化学工程,2010(05):53-59. |
| [2] | 彭丹,孙义明,杨力行.苎麻纤维复合材料及其应用[J].化工新型材料,2011(02):26-28,83. |
| [3] | 王亚亮,杨敏鸽,王俊勃,刘英,张力.苎麻纤维增强复合材料的研究现状[J].材料导报,2008(z1):342-345. |
| [4] | 杨敏鸽,王亚亮,王俊勃,马亚明,陈立成,胡新煜.TDI优化改性苎麻纤维研究[J].纺织高校基础科学学报,2010(01):91-94. |
| [5] | M.SAIN;P.SUHARA;S.LAW;A.BOUILLOUX .Interface Modification and Mechanical Properties of Natural Fiber-Polyolefin Composite Products[J].Journal of Reinforced Plastics and Composites,2005(2):121-130. |
| [6] | 雷文,张长生.苎麻布/聚丙烯复合材料的力学性能[J].复合材料学报,2008(01):40-45. |
| [7] | Yan Chen;Liangfeng Sun;Ovidiu Chiparus;Ioan Negulescu;Val Yachmenev;Mary Warnock .Kenaf/Ramie Composite for Automotive Headliner[J].Journal of polymers and the environment,2005(2):107-114. |
| [8] | 王春红,王瑞,沈路,姜兆辉.亚麻落麻纤维/聚乳酸基完全可降解复合材料的成型工艺[J].复合材料学报,2008(02):63-67. |
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