采用自行研制的熔体浸渍包覆长玻璃纤维装置,制备了长玻纤增强聚丙烯(LFT-PP)复合材料.研究了玻纤含量(10%(质量分数,下同)、20%、30%、和40%)、预浸料粒料长度(3 mm和18 mm)及相容剂聚丙烯接枝马来酸酐(PP-g-MAH)含量(2%、4%、6%、和8%)对长玻纤增强聚丙烯(LFT-PP)复合材料力学性能的影响.结果表明,长玻璃纤维增强聚丙烯(LFT-PP)的力学性能明显优于短玻璃纤维增强聚丙烯,当玻纤含量在30%时,拉伸强度达到50 MP左右,冲击强度达到6 kJ/m2左右,相容剂PP-g-MAH的加入增强了界面粘接强度,大幅度地提高了长玻纤增强聚丙烯(LFT-PP)复合材料的力学性能,当相容剂PP-g-MAH含量达到3%左右,其综合力学性能达到最佳值,拉伸强度达到100 MP左右,冲击强度达到10 kJ/m2左右.
参考文献
| [1] | Yan WX;Han KQ;Zhou HM;Yu MH .Study on the grafting of PET onto the glass fiber surface during in situ solid-state polycondensation[J].Journal of Applied Polymer Science,2006(3):775-781. |
| [2] | Shao-Yun Fu;Yiu-Wing Mai;Emma Chui-Yee Ching .Correction of the measurement of fiber length of short fiber reinforced thermoplastics[J].Composites, Part A. Applied science and manufacturing,2002(11):1549-1555. |
| [3] | J. L. Stanford;P. A. Lovell;C. Thongpin;R. J. Young .Experimental studies on the interfacial shear-transfer mechanism in discontinuous glass-fibre composites[J].Composites science and technology,2000(3):361-365. |
| [4] | S.F. Bush;F.G. Torres .Rheological characterisation of discrete long glass fibre (LGF) reinforced thermoplastics[J].Composites, Part A. Applied science and manufacturing,2000(12):1421-1431. |
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