Silane-modified wood fiber filled EPDM bio-composites with improved thermomechanical properties

被引：30
作者：
Chen, Guowei [1 ]
Gupta, Arvind [1 ]
Mekonnen, Tizazu H. [1 ,2 ,3 ]
机构：
[1] Univ Waterloo, Dept Chem Engn, Waterloo, ON, Canada
[2] Univ Waterloo, Inst Polymer Res, Waterloo, ON, Canada
[3] Univ Waterloo, Waterloo Inst Nanotechnol, Waterloo, ON, Canada
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2022年 / 159卷
基金：
加拿大创新基金会; 加拿大自然科学与工程研究理事会;
关键词：
A; Biocomposite; B. Fibre/matrix bond; B; Thermomechanical; D. Mechanical testing; MECHANICAL-PROPERTIES; CROSS-LINKING; THERMAL-CONDUCTIVITY; INTERFACIAL ADHESION; SURFACE MODIFICATION; PLASTIC COMPOSITES; COUPLING AGENT; PEEL STRENGTH; FLOUR; POLYPROPYLENE;
D O I：
10.1016/j.compositesa.2022.107029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ethylene propylene diene monomer (EPDM) bio-composites filled with silane-modified wood fiber (Si-WF) were fabricated by melt batch mixing and compression molding. The effects of fiber loading, silane modification, and in situ cross-linking on the water absorption, thermal, and mechanical properties were investigated. Due to the reduced surface energy of the modified wood fibers, the EPDM bio-composites with Si-WF showed substantially lower water absorption and higher thermal stability than EPDM with unmodified wood fibers. With Si-WF and in situ cross-linking, the tensile strength and modulus of EPDM bio-composites exhibited up to 115.3 % and 258.9 % improvement over the pure EPDM, respectively. This was because of the enhanced dispersion of the Si-WF in the elastomer matrix, as noted from the fractography study.
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页数：9
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