• Performance and Structure Characterization of Poly(lactic acid)/Zinc Oxide Pillared Organic Saponite Nanocomposites by Solution Intercalation
  • Zhen W, Bian S, Sun J, Xi X
  • 용매 Intercalation에 의한 Poly(lactic acid)/산화아연-Pillared 유기 사포나이트 나노복합재료의 성능과 구조분석
Abstract
Zinc oxide (ZnO) pillared organic saponite was synthesized with cetyltrimethylammonium bromide (CTAB) via a microwave hydrolysis method. Moreover, poly(lactic acid) (PLA)/ZnO pillared organic saponite nanocomposites were prepared by solution intercalation. The microstructure analysis suggested that ZnO pillared organic saponite appeared at an exfoliated or partially intercalated nanometer layer, which dispersed homogeneously in PLA matrix. The experimental results showed that ZnO pillared organic saponite improved the mechanical properties and thermal stabilities of PLA/ZnO pillared organic saponite nanocomposites. Differential scanning calorimetry (DSC) results demonstrated that the ZnO pillared organic saponite eliminated the cold crystallization process, decreased the crystal size and obviously promoted the crystallinity of PLA, which was in accordance with XRD analysis results. At the same time, the properties of UV absorbance and antibacterial properties of nano ZnO were introduced into PLA.

Keywords: poly(lactic acid); ZnO pillared organic saponite; nanocomposites; performance; structure

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This Article

  • 2016; 40(2): 167-174

    Published online Mar 25, 2016

  • 10.7317/pk.2016.40.2.167
  • Received on Jul 31, 2015
  • Accepted on Nov 2, 2015