The effects of a compatibilizer and a silane coupling agent on the mechanical properties of white rice husk ash filled polypropylene/natural rubber blend

被引:33
作者
Ismail, H [1 ]
Mega, L [1 ]
机构
[1] Univ Sains Malaysia, Sch Ind Technol, Polymer Technol Div, Minden 11800, Penang, Malaysia
关键词
compatibilizer; silane coupling agent; mechanical properties; white rice husk ash; polypropylene; natural rubber;
D O I
10.1081/PPT-100002070
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The effects of a compatibilizer, poly(propylene-ethylene acrylic acid) (PPEAA) and a silane coupling agent, 3-aminopropyltriethoxy silane (3-APE), on properties of white rice husk ash (WRHA) filled polypropylene (PP)/natural rubber (NR) blends were investigated. The incorporation of WRHA into PP/NR blends improved tensile modulus but decreased tensile strength, elongation at break, and stress at yield, Incorporation of 3-APE and PPEAA has produced composites with improved tensile strength, tensile modulus, and stress at yield. The improvement was due to better filler dispersion and better filler-matrix interaction through the surface modification of filler and matrix. Water absorption increased with increasing filler loading. However, the presence of 3-APE and PPEAA has affected the water resistance of the composites.
引用
收藏
页码:463 / 478
页数:16
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