Effects of maleic anhydride grafted ethylene/vinyl acetate copolymer (EVA) on the properties of EVA/silica nanocomposites

Thai Hoang; Nguyen Thuy Chinh; Nguyen Thi Thu Trang; To Thi Xuan Hang; Dinh Thi Mai Thanh; Dang Viet Hung; Chang-Sik Ha; Maelenn Aufray

Macromolecular Research, Vol.21, No.11, 1210-1217, November, 2013

DOI10.1007/s13233-013-1157-8 Export Citation

Effects of maleic anhydride grafted ethylene/vinyl acetate copolymer (EVA) on the properties of EVA/silica nanocomposites

Thai Hoang^†, Nguyen Thuy Chinh, Nguyen Thi Thu Trang, To Thi Xuan Hang, Dinh Thi Mai Thanh, Dang Viet Hung¹, Chang-Sik Ha^{2, †}, and Maelenn Aufray³

Institute for Tropical Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
¹Hanoi University of Science and Technology, 1 Dai Co Viet, Hanoi, Vietnam
²Department of Polymer Science and Engineering, Pusan National University, Busan, 609-735, Korea
³Materials Research and Engineering (CIRIMAT), Inter-University Center, 118 Narbonne, 31077, Toulouse Cedex 04, France

E-mail:,

Ternary nanocomposites based on ethylene/vinyl acetate copolymer (EVA), maleic anhydride-grafted EVA (EVAgMA), and nanosilica were prepared in a Haake Rheomixer. The structure of the EVA/EVAgMA/silica nanocomposites was characterized by Fourier transform infrared spectroscopy and field emission scanning electron microscopy. The blending sequence was found to have a significant effect on the microstructure of EVA/EVAgMA/silica nanocomposites and the dispersion behavior of the nanosilica in the EVA matrix. The tensile properties (tensile strength and elongation at break), thermal behavior, crystalline structure and weatherability of the nanocomposites were also studied. The results showed that the above properties of the nanocomposites were enhanced remarkably using 1 wt% EVAgMA.

Keywords:ethylene/vinyl acetate copolymer (EVA);nanosilica;nanocomposite;mechanical properties;thermal stability;weatherability

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