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Damping Properties of Ethylene-Vinyl Acetate Rubber/Polylactic Acid Blends

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DOI: 10.4236/msce.2016.43003    2,068 Downloads   2,823 Views Citations

ABSTRACT

In this research, ethylene-vinyl acetate rubber (EVM)/polylactic acid (PLA) = 80/20 by weight blend was compounded with silica in a Haake torque rheometer. The effects of hindered phenol (AO-60), super branched polyol, petroleum resin C9, polyvinyl chloride (PVC) and acrylic rubber (ACM) on the damping properties of blends were investigated by dynamic mechanic analyzer (DMA). The results showed that 20 phr super branched polyol significantly increased the damping factor of PLA to widen the effective damping temperature range from 42.1to 102.5. 15 phr AO-60 and 10 phr petroleum resin C9 both dramatically raised the blend’s damping factor to broaden the effective damping temperature range to 98.0 and 102.6, respectively. ACM and PVC are compatible with EVM, and both improved the damping properties of EVM/PLA blends.

Cite this paper

He, X. , Qu, M. and Shi, X. (2016) Damping Properties of Ethylene-Vinyl Acetate Rubber/Polylactic Acid Blends. Journal of Materials Science and Chemical Engineering, 4, 15-22. doi: 10.4236/msce.2016.43003.

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