制备了PA66/UHMWPE/HDPE-g-MAH共混合金,并对其力学性能和微观结构进行了研究.结果表明:随着UHMWPE含量的增加,共混合金缺口冲击强度显著提高,拉伸强度、拉伸模量、弯曲强度和弯曲模量下降.为了弥补强度和刚性的损失,使材料同时具有良好的韧性、强度和刚性,采用了短玻璃纤维和无机粒子混杂增强PA66/UHMWPE/HDPE-g-MAH(80/20/20).经短玻纤和无机粒子混杂增强后,材料的拉伸强度、弯曲强度、模量和刚性都明显提高,同时材料缺口冲击强度保持较高水平,比尼龙66提高72.9%.
参考文献
| [1] | Gonzalez-Montiel A, Keskkula H, Paul D R. Impact-modified nylon6/polypropylene blends Ⅰ: Morphology-property relationships[J].Polymer, 1995, 36: 4587-603. |
| [2] | Kudva R A, Keskkula H, Paul D R. Morphology and mechanical properties of compatibilized nylon6/polyethylene blends [J]. Polymer, 1999, 40: 6003-6021. |
| [3] | Yao Z, Yin Z, Sun G, et al. Morphology, thermal behavior and mechanical properties of PA6/UHMWPE blends withHDPE-g-MAH as a compatibilizing agent[J]. Journal of Applied Polymer Science, 2000, 75: 232-238. |
| [4] | Liu C Z, Ren L Q, Tong J, et al. Statistical wear analysis of PA-6/UHMWPE alloy, UHMPE and PA-6 [J]. Wear, 2001, 249(1-2): 31-36. |
| [5] | Liu C Z, Ren L Q, Tong J, et al. Effects of operating parameters on the lubricated wear behavior of a PA-6/UHMWPE blend: A statistical analysis [J]. Wear, 2002, 253(7-8): 878-884. |
| [6] | Tjong S C, Xu S A, Kwok-Li R, et al. Short glass fiber-reinforced polyamide 6,6 composites toughened with maleated SEBS[J]. Composites Science and Technology, 2002, 62: 2017-2027. |
| [7] | 邱桂学,吴人洁. PP/mPP/SGF复合材料的动态力学性能[J]. 复合材料学报,2002,19(3):33-36. |
| [8] | 付善菊,韩哲问,吴平平. PET短纤维/硅灰石晶须/硅树脂混杂材料的拉伸性能表征[J]. 复合材料学报,2002,19(1):5-11. |
| [9] | Fu S Y, Lauke B. Analysis of mechanical properties of injection molded short glass fibre (SGF)/Calcite/ABS composites[J]. J Mater Sci Technol, 1997,13: 389-396. |
| [10] | Fu S Y, Lauke B. Characterization of tensile behaviour of hybrid short glass fibre/calcite particle/ABS composites[J]. Composites Part A, 1998, 29A: 575-583. |
| [11] | Fu S Y, Lauke B. Fracture resistance of unfilled and calcite-particle filled ABS composites reinforced by short glass fibers under impact load[J]. Composites Part A, 1998, 29A: 631-642. |
| [12] | 刘卫平. 硅灰石/玻璃纤维混杂增强尼龙6的研究[J]. 中国塑料,1998,12(1): 52-57. |
| [13] | 王玉东,赵清香,刘民英,等. PFPA1212/SEBS-g-MAH共混合金力学性能和微观结构的研究[J]. 工程塑料应用,2002,30(11):1-3. |
| [14] | 朱晓光,漆宗能. 聚合物增韧研究进展[J]. 材料研究学报,1997,11(6):623-638. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%