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Received May 30, 2010
Accepted July 27, 2010
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Synthesis of polyethylene glycol-polystyrene core-shell structure particles in a plasma-fluidized bed reactor
Department of Chemical and Biomolecular Engineering, KAIST, 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea 1Department of Cosmetics & Beauty, Woosuk University, Chonbuk 565-701, Korea 2Corporate R&D, LG Chemical Ltd, Research Park, 104-1 Moonji-dong, Yuseong-gu, Daejeon 305-380, Korea
kimsd@kaist.ac.kr
Korean Journal of Chemical Engineering, February 2011, 28(2), 627-632(6), 10.1007/s11814-010-0390-5
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Abstract
Particles with core-shell structure with polystyrene (PS) core and polyethylene glycol (PEG) grafted on the surface were synthesized in a plasma-fluidized bed reactor. The virgin, plasma-treated, and grafted powders were characterized by the DPPH method, UV-vis spectrophotometer, NMR, FT-IR and SEM. The plasma-treated PS powders have well formed peroxide on the surface. By PEG grafting polymerization, PEG is well grafted and dispersed on the surface of the plasma-treated PS powders. The PEG-g-PS powder exhibits the core shell structure in the cross-sectional SEM image, and it can be claimed that well dispersed PEG grafting polymerization on PS surface can be achieved in the plasma fluidized bed reactor.
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Lee YM, Shim IK, J. Appl. Polym. Sci., 61(8), 1245 (1996)
Fargere T, Abdennadher M, Delmas M, Boutevin B, Eur. Polym. J., 5, 489 (1995)
