Structure and performance of poly(lactic acid)/poly(butylene succinate-co-L-lactate) blend reinforced with rice husk and coconut shell filler

Akindoyo John Olabode; Husney Nur Atikah Aliah binti; Ismail Nurul HidayahMariatti Mustapha

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Structure and performance of poly(lactic acid)/poly(butylene succinate-co-L-lactate) blend reinforced with rice husk and coconut shell filler

机译：Structure and performance of poly(lactic acid)/poly(butylene succinate-co-L-lactate) blend reinforced with rice husk and coconut shell filler

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Reinforced poly(lactic acid) (PLA) and poly(butylene succinate-co-L-lactate) (PBSL) blend was prepared. Two different fillers namely coconut shell (CS) and rice husk (RH) were used as reinforcement for the PLA-PBSL blend at different filler content (0-10 wt%) and their effects on the blend was investigated. Tensile test results showed that 7.5 wt% filler is the optimum filler loading for both filler types. The comparative performance of composites prepared using the optimum filler loading was further investigated. At the same filler loading, CS performs better than RH in terms of strength, crystallization, and water absorption properties of the blends. Specifically, the tensile strength of CS reinforced blend increased by 195% compared to RH (145%). Likewise, the CS blend has a crystallinity index (X (DSC)) of 52% compared to 45% of RH which aligns with observations from the X-ray diffraction analysis. However, thermogravimetric analysis revealed that RH reinforced blend is more thermally stable than CS reinforced blends. This study reveals that the two fillers can desirably enhance the performance of PLA/PBSL blends, especially to produce environmentally friendly products. However, CS could offer better performance over RH especially where better mechanical strength, improved crystallization and low water absorption are desired.

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来源
《Polymers & Polymer Composites》 |2021年第7期|992-1002|共11页
作者
Akindoyo John Olabode; Husney Nur Atikah Aliah binti; Ismail Nurul HidayahMariatti Mustapha;
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作者单位

Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, George Town, Malaysia;

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原文格式 PDF
正文语种英语
中图分类高分子化合物工业（高聚物工业）;
关键词
Blends; mechanical properties; reinforcement; thermoplastics; structural performance;

Structure and performance of poly(lactic acid)/poly(butylene succinate-co-L-lactate) blend reinforced with rice husk and coconut shell filler

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