Compatibility of PHBH/PLA Blends

doi:10.19491/j.issn.1001-9278.2015.04.009

Abstract

Abstract: Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate）（PHBH)/poly(lactic acid）（PLA) blends were prepared by melt blending using a twin screw extruder. The mechanical properties, thermal behavior, and microstructure of the PHBH/PLA composites were investigated. Compared with neat PHBH, the elongation at break and impact strength of PHBH/PLA (80/20) were increased by 38 % and 15.7%, respectively. DSC indicated that the difference between glass transition temperatures of PHBH and PLA was decreased slightly, indicating the improvement of compatibility.

Key words: poly(3-hydroxybutyrate-co-3-hydroxyhexanoate), poly(lactic acid）, melt blending, compatibility

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Compatibility of PHBH/PLA Blends

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