Zhao, Yong-Qing and Cheung, Hoi-Yan and Lau, Kin-Tak and Xu, Cai-Ling and Zhao, Dan-Dan and Li, Hu-Lin (2010) Silkworm silk/poly(lactic acid) biocomposites: dynamic mechanical, thermal and biodegradable properties. Polymer Degradation and Stability, 95 (10). pp. 1978-1987. ISSN 0141-3910
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Official URL: http://dx.doi.org/10.1016/j.polymdegradstab.2010.07.015
Identification Number or DOI: doi: 10.1016/j.polymdegradstab.2010.07.015
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.
|Item Type:||Article (Commonwealth Reporting Category C)|
|Additional Information:||Permanent restricted access to published version due to publisher copyright restrictions.|
|Uncontrolled Keywords:||biocomposites; silkworm silk; poly(lactic acid); dynamic mechanical properties; thermal properties; biodegradable properties|
|Fields of Research (FOR2008):||03 Chemical Sciences > 0303 Macromolecular and Materials Chemistry > 030307 Theory and Design of Materials|
09 Engineering > 0912 Materials Engineering > 091202 Composite and Hybrid Materials
09 Engineering > 0912 Materials Engineering > 091205 Functional Materials
|Socio-Economic Objective (SEO2008):||B Ecomonic Development > 86 Manufacturing > 8604 Leather Products, Fibre Processing and Textiles > 860403 Natural Fibres, Yarns and Fabrics|
|Deposited On:||06 Apr 2011 22:25|
|Last Modified:||30 May 2013 11:27|
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