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Mechanical, morphology, and thermal properties of carbon fiber reinforced poly(butylene succinate) composites

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Indexed by:Journal Papers

Date of Publication:2015-07-01

Journal:POLYMER COMPOSITES

Included Journals:SCIE、EI、Scopus

Volume:36

Issue:7

Page Number:1335-1345

ISSN No.:0272-8397

Abstract:Biodegradable poly(butylene succinate) (PBS)/carbon fiber (CF) composites were prepared by melt blending method using twin-screw extruder followed by injection molding. Mechanical properties, crystallization behavior, morphology, crystal structure, and thermal stability of PBS/CF composites were investigated with different CF contents (0, 5, 10, 15, and 20 wt%). It was found that the tensile and impact properties of the composites were improved markedly with the addition of CF; while too much CF would lead to agglomeration and thus weaken the improvement. Scanning electron microscopic photographs on the fracture surfaces showed superior interfacial adhesion between fibers and PBS matrix. Crystallization peak temperature of PBS in its composites was increased due to the heterogeneous effect of CF. The spherulite size of PBS/CF composites decreased and the nucleation density increased drastically. The crystal structure was not affected by the incorporation of CF, as confirmed from the wide-angle X-ray diffraction analysis. thermogravimetric analysis showed that the thermal stability of PBS/CF composites was also enhanced. POLYM. COMPOS., 36:1335-1345, 2015. (c) 2014 Society of Plastics Engineers

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