Synthesis and Characterization of Nonionic 1-Vinyl-2-Pyrrolidinone/Methacryloxy Silicone Copolymers

Jin-Chul Kim; Hyeon Yong Lee; Jong Dai Kim; Won Cheol Shin; Youn Cheol Kim; Ki Young Lee

Journal of Industrial and Engineering Chemistry, Vol.12, No.1, 76-79, January, 2006

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Synthesis and Characterization of Nonionic 1-Vinyl-2-Pyrrolidinone/Methacryloxy Silicone Copolymers

Jin-Chul Kim^†, Hyeon Yong Lee, Jong Dai Kim, Won Cheol Shin, Youn Cheol Kim¹, and Ki Young Lee²

School of Biotechnology & Bioengineering, Kangwon National University, Kangwon-do 220-701, Korea
¹Division of Advanced Materials Engineering, Kongju National University, Chungnam, 330-717, Korea
²Department of Biochemical Engineering, Chonnam National University, Kwangju 500-070, Korea

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Nonionic 1-vinyl-2-pyrrolidinone/methacryloxy silicone (VP/MS) copolymers were prepared using a free radical reaction in which various molecular weights of vinyl-terminated silicones (VS) were used as cross-linkers. Fourier transform infrared spectroscopy (FTIR) showed that those copolymers were synthesized successfully. The glass transition temperatures and the thermal stability were investigated using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), respectively. Both the glass transition temperature and the initial temperature of the mass loss increased as the molecular weight of the cross-linkers decreased. A scanning electron microscopy/X-ray energy dispersive (SEM/EDS) study revealed that much more silicone domains were observed on the surface of the cast film of the copolymer than on the film/glass interface. The orientation of the silicone might be a factor through which the interfacial energy of the copolymer film is minimized.

Keywords:silicone copolymer;X-ray energy dispersive study;interfacial energy

[References]

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Stachurski ZH, J. Ind. Eng. Chem., 11(6), 773 (2005)

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[1] Hou SS, Kuo PL, Macromol. Chem. Phys., 200, 2501 (1999)

[2] Kobayashi R, Yabe S, Nomura T, Polym. Adv. Technol., 8, 351 (1996)

[3] Sugita H, J. Jpn. Cosmet. Sci. Soc., 12, 218 (1988)

[4] Midha S, Torgerson PM, Hall C, USP 5,565,193 (1996)

[5] Dubief C, Duplus C, Martin DC, USP 6,086,862 (2000)

[6] Takiguchi O, Rinto K, Oda T, USP 6,027,718 (2000)

[7] Kuo CM, Liles DT, USP 6,090,902 (2000)

[8] Kuo PL, Chen KC, Wang TL, Polymer, 38(20), 5203 (1997)

[9] Kuo PL, Cheng VK, Chen CL, J. Appl. Polym. Sci., 71(5), 805 (1999)

[10] Mera AE, Goodwin M, Pike JK, Wynne KJ, Polymer, 40(2), 419 (1999)

[11] Satoh K, Urban MW, Prog. Org. Coat., 29, 195 (1996)

[12] Benrashid R, Nelson GL, Linn JH, Hanley KH, Wade WR, J. Appl. Polym. Sci., 49, 523 (1993)

[13] Jung YJ, Lee KH, Park CW, Suh TS, Hong CM, Hong SH, Ahn WS, Chun HJ, J. Ind. Eng. Chem., 11(1), 165 (2005)

[14] Stachurski ZH, J. Ind. Eng. Chem., 11(6), 773 (2005)