Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15669
Title: Silkworm silk/poly(lactic acid) biocomposites : dynamic mechanical, thermal and biodegradable properties
Authors: Zhao, YQ
Cheung, HY
Lau, KT 
Xu, CL
Zhao, DD
Li, HL
Keywords: Biocomposites
Biodegradable properties
Dynamic mechanical properties
Poly(lactic acid)
Silkworm silk
Thermal properties
Issue Date: 2010
Publisher: Elsevier
Source: Polymer degradation and stability, 2010, v. 95, no. 10, p. 1978-1987 How to cite?
Journal: Polymer degradation and stability 
Abstract: Silkworm silk/Poly(lactic acid) (silk/PLA) biocomposites with potential for environmental engineering applications were prepared by using melting compound methods. By means of Dynamic mechanical analysis (DMA), Differential scanning calorimetry (DSC), Thermogravimetric analysis (TGA), Coefficient of thermal expansion test, Enzymatic degradation test and Scanning electron microscopy (SEM), the effect of silk fiber on the structural, thermal and dynamic mechanical properties and enzymatic degradation behavior of the PLA matrix was investigated. As silk fiber was incorporated into PLA matrix, the stiffness of the PLA matrix at higher temperature (70-160 °C) was remarkably enhanced and the dimension stability also was improved, but its thermal stability became poorer. Moreover, the presence of silk fibers also significantly enhanced the enzymatic degradation ability of the PLA matrix. The higher the silk fiber content, the more the weight loss.
URI: http://hdl.handle.net/10397/15669
ISSN: 0141-3910
DOI: 10.1016/j.polymdegradstab.2010.07.015
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