Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2014 Vol: 6 Issue: 5

Thermal and mechanical properties of poly(L-lactic acid)/ talc/1H-benzotriazole composites

Abstract

In order to obtain more functional composites based on Poly(L-lactic acid)(PLLA), PLLA/Talc/ 1H-Benzotriazole(BTA) composites were fabricated by melting blend technology, and the thermal and mechanical properties of composites were investigated. The results showed that adding of Talc and BTA could improve the crystallization ability of PLLA. The melting behavior of PLLA/Talc/BTA composites under different conditions indicated that Talc and BTA, crystallization temperature and crystallization time significantly affected the melting behavior of PLLA. The stress strain of pure PLLA and PLLA/Talc/BTA composites showed that Talc and BTA make the PLLA become more brittle.