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Materials (Basel). 2013 Jun 18;6(6):2483-2496. doi: 10.3390/ma6062483.

Enhancement of the Mechanical Properties of Basalt Fiber-Wood-Plastic Composites via Maleic Anhydride Grafted High-Density Polyethylene (MAPE) Addition.

Author information

1
Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education & International Institute for Urban Systems Engineering, Southeast University, Nanjing 210096, China. chenjpaper@yahoo.co.jp.
2
Faculty of Mechanical Engineering & Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China. dcuwy@163.com.
3
Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education & International Institute for Urban Systems Engineering, Southeast University, Nanjing 210096, China. kang2008year@126.com.
4
Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education & International Institute for Urban Systems Engineering, Southeast University, Nanjing 210096, China. llljjjxxxun@126.com.
5
Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering, Southeast University, Nanjing 211189, China. yfliu@seu.edu.cn.
6
Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education & International Institute for Urban Systems Engineering, Southeast University, Nanjing 210096, China. limin.li@163.com.
7
Department of Mechanical Engineering, Graduate School & Faculty of Engineering, Chiba University, Chiba 263-8522, Japan. luyun@faculty.chiba-u.jp.

Abstract

This study investigated the mechanisms, using microscopy and strength testing approaches, by which the addition of maleic anhydride grafted high-density polyethylene (MAPE) enhances the mechanical properties of basalt fiber-wood-plastic composites (BF-WPCs). The maximum values of the specific tensile and flexural strengths are achieved at a MAPE content of 5%-8%. The elongation increases rapidly at first and then continues slowly. The nearly complete integration of the wood fiber with the high-density polyethylene upon MAPE addition to WPC is examined, and two models of interfacial behavior are proposed. We examined the physical significance of both interfacial models and their ability to accurately describe the effects of MAPE addition. The mechanism of formation of the Model I interface and the integrated matrix is outlined based on the chemical reactions that may occur between the various components as a result of hydrogen bond formation or based on the principle of compatibility, resulting from similar polarity. The Model I fracture occurred on the outer surface of the interfacial layer, visually demonstrating the compatibilization effect of MAPE addition.

KEYWORDS:

MAPE; WPC; basalt fiber; composite material

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