Study on Blends of PLA∕Elastomers

doi:10.19491/j.issn.1001-9278.2010.11.013

Abstract

Abstract: The microstructure, mechanical properties, and crystallization behavior of PLA/elastomer blends were studied in this paper. The compatibility between PLA and elastomer was not good, however, when the fraction of elastomer was 40 wt%, it could be finely dispersed into PLA matrix. In presence of elastomer, cold crystallization of PLA was observed 110 ℃. With increasing content of elastomer, the plasticizing time of the blends decreased, melt flow rate and the elongation at break increased rapidly, however, the tensile strength decreased.

Key words: polylactide, elastomer, toughening, blending

Huang-Jin . Study on Blends of PLA∕Elastomers[J]. China Plastics, 2010, 24(11): 54-57 .

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