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Poly(vinyl acetate)/poly(vinyl alcohol)/montmorillonite nanocomposite microspheres prepared by suspension polymerization and saponification |
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| Authors: | Hye Min Jung Eun Mi Lee Byung Chul Ji Yulin Deng Jae Deuk Yun Jeong Hyun Yeum |
| Institution: | (1) Department of Textile System Engineering, Kyungpook National University, Daegu, 702-701, South Korea;(2) School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, 500 10th Street N.W., Atlanta, GA 30318, USA;(3) Department of Natural Fiber Science, Kyungpook National University, Daegu, 702-701, South Korea |
| Abstract: | Poly(vinyl acetate) (PVAc)–poly(vinyl alcohol)–montmorillonite (MMT) nanocomposite microspheres were prepared through suspension polymerization followed by the heterogeneous saponification. The effects of MMT on the polymerization rate and the saponification rate of PVAc were studied. It was found that the rate of polymerization decreased when MMT content was increased. However, the saponification rate of PVAc significantly increased in the presence of nanoclay particles. The XRD measurement illustrated that the clay particles are intercalated in the polymer matrix. |
| Keywords: | PVAc– PVA– MMT Nanocomposites Microspheres Suspension polymerization |
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