PLA/Kenaf/APP Biocomposites: Effect of Alkali Treatment and Ammonium Polyphosphate (APP) on Dynamic Mechanical and Morphological Properties

被引：19
|
作者：
Shukor, Faseha [1 ]
Hassan, Azman [1 ]
Hasan, Mahbub [1 ,2 ]
Islam, Md Saiful [3 ]
Mokhtar, Munirah [1 ]
机构：
[1] Univ Teknol Malaysia, Fac Chem Engn, Dept Polymer Engn, Skudai 81310, Johor, Malaysia
[2] Bangladesh Univ Engn & Technol, Dept Mat & Met Engn, Dhaka, Bangladesh
[3] Univ Putra Malaysia, Fac Sci, Dept Chem, Serdang 43400, Selangor, Malaysia
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2014年 / 53卷 / 08期
关键词：
Biocomposite; DMA; Kenaf fiber; PLA; SEM; POLY(LACTIC ACID) PLA; TENSILE PROPERTIES; COMPOSITES; FIBERS;
D O I：
10.1080/03602559.2013.869827
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Kenaf-filled polylactic acid (PLA) biocomposites were prepared using dry blending, twin screw extrusion and compression molding. PLA was blended with raw and alkali treated kenaf, polyethylene glycol and ammonium polyphosphate (APP). Dynamic mechanical properties of biocomposites were investigated by dynamic mechanical analysis. Storage modulus of composites decreased, while magnitude of damping peaks increased with increase in APP content. The T-g of composites shifted to lower values with APP addition. Alkali treatment improved interfacial adhesion between PLA and kenaf. SEM analysis indicates good dispersion of APP in PLA matrix, however interfacial adhesion between PLA and matrix decreased with increasing APP content.
引用
收藏
页码：760 / 766
页数：7
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