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Title

A Study on Physical Performance for Poly(L-lactic acid) in Addition to Layered Strontium Phenylphosphonate.

Authors

Zhang, Yan-Hua; Cai, Yan-Hua

Abstract

The organic-inorganic hybrid layered strontium phenylphosphonate (SrP) was synthesized by using strontium chloride and phenylphosphinic acid. And the influence of layered SrP on the crystallization behavior and thermal stability of poly(L-lactic acid) (PLLA) was investigated through DSC, XRD, and TGA. Both DSC and XRD results demonstrated that layered SrP had the powerful accelerated ability for PLLA crystallization, and in the range of studied concentration, 0.7 wt%–1 wt% is the optimum concentration range to achieve rapid crystallization of PLLA. Meantime, as a result, the increase of cooling rate in nonisothermal crystallization procedure seriously affected the crystallization accelerated efficiency of SrP. Thermal stability measurement showed that layered SrP could cause the onset decomposition temperature of PLLA to decrease, but the thermal decomposition behavior of PLLA hardly depended on the SrP concentration.

Subjects

POLYLACTIC acid; STRONTIUM chloride; METAL crystal growth; DIFFERENTIAL scanning calorimetry; X-ray diffraction

Publication

International Journal of Polymer Science, 2016, p1

ISSN

1687-9422

Publication type

Academic Journal

DOI

10.1155/2016/3926876

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