| Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene （MA-SEBS） on impact fracture behavior of polypropylene / wood fiber composites |
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| 引用本文： | 郭垂根,王清文.Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene （MA-SEBS） on impact fracture behavior of polypropylene / wood fiber composites[J].林业研究,2007,18(3):203-207. |
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| 作者姓名： | 郭垂根 王清文 |
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| 作者单位： | MOE Key Laboratory of Bio-based Material Science and Technology, Northeast Forestry University, Harbin 150040, P. R. China |
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| 基金项目： | 国家高技术研究发展计划(863计划)，national Foundation of Application of Agricultural Scientific and Technological Achievements |
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| 摘 要： | MA-SEBS as compatibilizer and impact modifier was incorporated into Polypropylene/Wood Fiber （PP/WF） to enhance interface adhesion and impact strength of the composite. The effect of MA-SEBS content on the impact fracture behavior of PP/WF composites was studied. The impact properties of composites with 8% MA-SEBS reached the maximum value. And further increasing of MA-SEBS content to 10% did not improve the fracture toughness, but improved the stiffness of composites by DMA analysis. This was attributed to the improved PP/WF adhesion. As the MA-SEBS content is more than 8%, the molecule interaction of PP and WF was expected to much stronger than lower MA-SEBS. Scanning electron microscopy （SEM） was performed to analyze the impact fracture surface and showed a stronger affinity for the wood surfaces.
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| 关 键 词： | 聚丙烯 菊科植物 木材纤维 冲击实验 |
| 文章编号： | 1007-662X(2007)03-0203-05 |
| 收稿时间： | 18 January 2007 |
| 修稿时间： | 2007-01-18 |
Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene (MA-SEBS) on impact fracture behavior of polypropylene / wood fiber composites |
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| Guo?Chui-gen,Wang?Qing-wen.Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene (MA-SEBS) on impact fracture behavior of polypropylene / wood fiber composites[J].Journal of Forestry Research,2007,18(3):203-207. |
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| Authors: | Guo Chui-gen Wang Qing-wen |
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| Institution: | (1) MOE Key Laboratory of Bio-based Material Science and Technology, Northeast Forestry University, Harbin, 150040, P. R. China |
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| Abstract: | MA-SEBS as compatibilizer and impact modifier was incorporated into Polypropylene/Wood Fiber (PP/WF) to enhance interface
adhesion and impact strength of the composite. The effect of MA-SEBS content on the impact fracture behavior of PP/WF composites
was studied. The impact properties of composites with 8% MA-SEBS reached the maximum value. And further increasing of MA-SEBS
content to 10% did not improve the fracture toughness, but improved the stiffness of composites by DMA analysis. This was
attributed to the improved PP/WF adhesion. As the MA-SEBS content is more than 8%, the molecule interaction of PP and WF was
expected to much stronger than lower MA-SEBS. Scanning electron microscopy (SEM) was performed to analyze the impact fracture
surface and showed a stronger affinity for the wood surfaces.
Foundation project: This paper was supported by National 863 Program (2002AA245141) and national Foundation of Application
of Agricultural Scientific and Technological Achievements (2006GB23600450)
Biography: GUO Chui-gen (1976–), male, Ph.D. Lecturer in Northeast Forestry University, Harbin 150040, P. R. China. |
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| Keywords: | Polypropylene Wood fiber/polypropylene composites Fracture behavior Impact test |
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