• Preparation and Characterization of Nanocomposites Based on Poly(ethylene-co-vinyl acetate), Polylactic Acid, and TiO2 Nanoparticles
  • Cong DV, Trang NTT, Giang NV, Trung TH, Chinh NT, Huynh MD, Hoang T, Park JS
  • Poly(ethylene-co-vinyl acetate), Polylactic Acid, 그리고 TiO2 나노입자로 이루어진 나노복합소재의 제조 및 분석
Abstract
This study describes the preparation and characterization of nanocomposites obtained by melt-mixing of poly (ethylene-co-vinyl acetate) (EVA), polylactic acid (PLA), and TiO2 nanoparticles (TNPs) via three different methods of direct mixing, one-step, and two-step methods. Vinyltrimethoxysilane was used as a surface modifier for the TNPs. The one-step method showed the best suitability for the preparation of EVA/PLA/TiO2 nanocomposites. The increase in torque and the adhesion of the TNPs with EVA/PLA matrix in these nanocomposites showed enhanced interfacial interactions between EVA, PLA chains, and TNPs. The tensile strength, Young's modulus, dynamic storage modulus, and thermooxidative stability of the one-step prepared nanocomposites were higher than those of two other nanocomposites and that of the EVA/PLA blend, reaching maximum values at 2.0 wt% of TNPs.

Keywords: nanocomposites; polylactic acid; poly(ethylene-co-vinyl acetate); mixing; blend

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
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This Article

  • 2016; 40(3): 355-364

    Published online May 25, 2016

  • 10.7317/pk.2016.40.3.355
  • Received on Sep 10, 2015
  • Accepted on Jan 25, 2016