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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 851Mechanical and Thermal Properties of Toughened PLA...

Mechanical and Thermal Properties of Toughened PLA Composite Foams with Modified Coconut Fiber

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Abstract:

Composite foams from PLA, natural rubber and modified coconut fibers was prepared employing a compression molding method, which is suitable for the fabrication of composites containing high fiber content. The results revealed that the incorporation of natural rubber into composite foams increases the compressive stress to 101.17 kN/m². Further, a 10% wt increase of modified coconut fiber added into composite foams resulted in an increase of compressive stress to 105.24 kN/m². The addition of modified coconut fibers in composite foams showed a slight decrease of the crystallization state, obtained by DSC results by about 1-3 oC. Thus, modified coconut fibers played a role as a nucleating agent. Moreover, the combination of modified coconut fibers in composite foams could lead to improved adhesion between the surface area of PLA matrix and the natural rubber phase.

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Periodical:

Applied Mechanics and Materials (Volume 851)

Pages:

179-185

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.851.179

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Online since:

August 2016

Authors:

Thiti Kaisone, Nathdanai Harnkarnsujarit, Thanawadee Leejarkpai, Tarinee Nampitch*

Keywords:

Coconut Fiber, Composites, Foams, Natural Rubber, Poly(lactic acid)

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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