茂金属聚乙烯弹性体(mPE)作为一种全新的弹性体品种,特别适合于PP的增韧改性.然而,和其它弹性体一样,mPE的加入不可避免地引起PP的刚性和强度降低.为了补偿因加入弹性体带来的刚性和强度的损失,采用短玻璃纤维(SGF)对PP/mPE共混物进行增强,从而制得PP/mPE/SGF三元共混复合材料.采用滞后测量法,分别对PP/mPE共混物和PP/mPE/SGF三元复合材料的动态力学性能进行了研究.结果表明,这种复合材料具有非常高的动态弹性模量和动态负荷极限.
参考文献
| [1] | Karger-Kocsis J. Polypropylene - Structure, Blends and Composites [M]. London: Chapmann & Hall, 1994. 56. |
| [2] | Sylvest R T, Lancester G, Betso S R. New elastomers from in-situ technology [J]. Kautschuk Gummi Kunststoffe, 1997, 50 (3): 186-191. |
| [3] | Raue F, Ehrenstein G W. Comparison of dynamically loaded PP/EPDM and PP/POE blends using the hysteresis measurement methods [J]. Journal of Elastomers and Plastics, 1999, 31: 194-204. |
| [4] | Raue F, Qiu G X, Ehrenstein G W. Examination of the mechanical performance of filled PP/mPE-blends [A]. In: Lin Ye, Mai Y W, eds. Proc. International Workshop on Fracture Mechanics and Advanced Materials [C]. Sydney: University of Sydney, 1999. 388. |
| [5] | Jancar J. Yielding and impact strength of PPS/GF/EPR ternary composites with controlled morphology [J]. J Mater Sci, 1996, 31: 3983-3987. |
| [6] | Hoffmann L, Pavsek V, Schemme M, et al. Hysteresis measurements - making fatigue testing more expressive [A]. In: Proc. 1. Int. Conf. Mechanics of Time Dependent Materials [C]. Liubjana: University of Liubjana, 1995. 17-22. |
| [7] | Raue F, Ehrenstein G W. Elastomermodifizierte Thermoplaste unter Statischer und Dynamischer Beanspruchung (German) [A]. In: Proceedings Polymerwerkstoffe [C]. Merseburg: 1996. 85-89. |
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