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Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene (MA-SEBS) on impact fracture behavior of polypropylene / wood fiber composites

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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.

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Authors and Affiliations

  1. MOE Key Laboratory of Bio-based Material Science and Technology, Northeast Forestry University, Harbin, 150040, P. R. China

    Guo Chui-gen & Wang Qing-wen

Authors
  1. Guo Chui-gen
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  2. Wang Qing-wen
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Correspondence to Wang Qing-wen.

Additional information

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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Guo, Cg., Wang, Qw. Effect of maleic anhydride grafted styrene-ethylene-butylene-styrene (MA-SEBS) on impact fracture behavior of polypropylene / wood fiber composites. J. of For. Res. 18, 203–207 (2007). https://doi.org/10.1007/s11676-007-0041-9

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  • DOI: https://doi.org/10.1007/s11676-007-0041-9

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