Influence of filler loading and palm oil-based green coupling agent on torque rheological properties of polypropylene/cocoa pod husk composites

被引:12
作者
Koay, Seong Chun [1 ]
Chan, Ming Yeng [2 ]
Pang, Ming Meng [1 ]
Tshai, Kim Yeow [3 ]
机构
[1] Taylors Univ, Sch Engn, Lakeside Campus, Subang Jaya, Selangor, Malaysia
[2] HELP Coll Arts & Technol, Ctr Engn Programmes, Kuala Lumpur, Malaysia
[3] Univ Nottingham, Fac Engn, Semenyih, Selangor, Malaysia
关键词
cocoa pod husk; composites; green coupling agent; palm oil; polypropylene; torque rheology; FIBER-REINFORCED COMPOSITES; FLOUR COMPOSITES; MECHANICAL-PROPERTIES; BEHAVIOR; MELT; RHEOMETER; BLENDS;
D O I
10.1002/adv.21883
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
This research examined the torque rheological properties of cocoa pod husk (CPH)-filled polypropylene (PP) composites. Composites with varying filler loading ranging from 10 to 40 phr and formulation with or without palm oil-based green coupling agent (GCA-P) were analyzed using a Brabender Plastrograph torque rheometer. The GCA-P synthesized from fatty acid of palm oil was used to enhance adhesion at the filler-matrix surface interfaces. The results reveal that PP/CPH composites containing 40 phr filler loading and GCA-P exhibited higher processing torque and power law index (n). Higher melt viscosity was recorded at higher filler loading, owning to filler agglomeration and more effective filler-matrix adhesion in the presence of GCA-P. As a result, higher energy was required to compound PP/CPH composites, which could be attributed to the increase in activation energy (E-a) at higher melt viscosity.
引用
收藏
页码:2246 / 2252
页数:7
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