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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 236-238Compatibility Enhancement of Poly(lactic...

Compatibility Enhancement of Poly(lactic Acid)/Crosslinked Starch Composite by Vacuum Heating Treatment

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Abstract:

Compositing with starch is an effective way to lower the cost of the poly (lactic acid)(PLA)-based biodegradable materials, while the compatibility of these two phases needs to be enhanced. Here reports an improvement based on vacuum heating treatment(VHT), hence a solid-phase esterification between PLA and crosslinked starch（CST） is enhanced. This research also studied the impact by esterified catalysts and starch proportion on thermal stability, surface morphology and mechanical properties of the composite. The result indicated that VHT shows positive effect on all aspects. Especially, sample with 20% CST shows optimized tensile strength of 62.6 MPa, and elongation at break was as high as 69.8%.

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Application of Chemical Engineering

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Periodical:

Advanced Materials Research (Volumes 236-238)

Pages:

207-215

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.236-238.207

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Online since:

May 2011

Authors:

Xiao Gang Liu, Li Wang, Chen Yu Fan, Shi Zhong Li

Keywords:

Compatibility, Crosslinked Starch, Poly(lactic acid) (PLA), Solid-Phase Esterification, Vacuum Heating Treatment

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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