화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.40, No.3, 355-364, May, 2016
DOI10.7317/pk.2016.40.3.355  Export Citation
Poly(ethylene-co-vinyl acetate), Polylactic Acid, 그리고 TiO2 나노입자로 이루어진 나노복합소재의 제조 및 분석
Preparation and Characterization of Nanocomposites Based on Poly(ethylene-co-vinyl acetate), Polylactic Acid, and TiO2 Nanoparticles
†, , , , , , †, 박준서†
  • 한경대학교 화학공학과
Do Van Cong†, Nguyen Thi Thu Trang, Nguyen Vu Giang, Tran Huu Trung, Nguyen Thuy Chinh, Mai Duc Huynh, Thai Hoang†, and Jun Seo Park1, †
  • Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
  • 1Department of Chemical Engineering, Hankyong National University, 67 Sukjong-dong, Ansung-city, Kyonggi-do 17579, Korea
E-mail:, ,
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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