Scratch resistance and oxygen barrier properties of acrylate-based hybrid coatings on polycarbonate substrate

Sungkoo Lee; Kyeong Keun Oh; Sunyoung Park; Jun-Seok Kim; Hyunjoon Kim

Korean Journal of Chemical Engineering, Vol.26, No.6, 1550-1555, November, 2009

DOI10.1007/s11814-009-0263-y Export Citation

Scratch resistance and oxygen barrier properties of acrylate-based hybrid coatings on polycarbonate substrate

Sungkoo Lee, Kyeong Keun Oh¹, Sunyoung Park², Jun-Seok Kim², and Hyunjoon Kim^{2, †}

Green Engineering Team, Korea Institute of Industrial Technology, 35-3, Hongchon-ri, Ibjang-myeon, Cheonan 330-825, Korea
¹Department of Applied Chemical Engineering, Dankook University, Anseo-dong, Cheonan 330-825, Korea
²Departmet of Chemical Engineering, Kyonggi University, 94-6 Yiui-dong, Youngtong-gu, Suwon 443-760, Korea

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Organic/inorganic hybrid coating materials were synthesized using acrylate end-capped polyester, 1,6-hexanediolacrylate, tetraethoxysilane (TEOS), and 3-trimethoxysilylpropylmethacrylate (TMSPM). The hybrid materials were cast onto a polycarbonate (PC) substrate and cured by UV irradiation to give a hybrid film with covalent linkage between the inorganic and the organic networks. The coating layer was characterized by FT-IR and 29Si-NMR, and pencil hardness and oxygen permeation rate of coated films were investigated. The pencil hardness of all samples examined in this study was higher than 1H, whereas that of uncoated PC substrate was 6B. The hardness enhancement after coating may due to incorporation of organic acrylate resin. The oxygen permeability coefficient of the film coated with hybrid material on 3-aminopropyltriethoxysilane (APTEOS) pretreated polycarbonate substrate was 1.67×10^(-3) GPU, the lowest value in this work, whereas that of uncoated PC substrate was 8.07×10^(-3) GPU. The lower oxygen permeation rates of these films are attributed to the good adhesion between organic/inorganic hybrid coating layer and PC substrate and a dense structure induced by an increase of network density.

Keywords:Oxygen Permeation;Hardness;TMSPM;Polycarbonate

[References]

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Que W, Zhang QY, Chan YC, Kam CH, Comp. Sci. and Technol., 63, 347 (2003)
Chung JS, Kim DJ, Ahn WS, Ko JH, Cheong WJ, Korean J. Chem. Eng., 21(1), 132 (2004)
Becker C, Krug H, Schmidt H, J. Sol-Gel Sci. Technol., 8, 625 (1997)
Hoebbel D, Nacken M, Schmidt H, J. Sol-Gel Sci. Technol., 21, 177 (2001)
Tohge N, Tadanaga K, Sakatani H, Minami T, J. Mater. Sci. Lett., 15(17), 1517 (1996)
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Jang K, Kim H, J. Sol-Gel Sci. Technol., 41, 19 (2007)
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Lebeau B, Brasselet S, Zyss J, Sanchez C, Chem. Mater., 9, 1012 (1997)
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Chen Z, Wu L, Chwa E, Tham O, Materials Science and Engineering A, 493, 292 (2008)
Jang K, Kim JS, Lee S, Kim H, Solid State Phenomena, 124, 683 (2007)
Vrancken KC, Decoster L, Vandervoort P, Grobet PJ, Vansant EF, J. Colloid Interface Sci., 170(1), 71 (1995)
Shimizu A, Yoshino H, Okabayashi E, Nishio E, O’Connor CJ, J. Chem. Soc., Faraday Trans., 93, 1971 (1997)
Zhu PX, Teranishi M, Xiang JH, Masuda Y, Seo WS, Koumoto K, Thin Solid Films, 473(2), 351 (2005)

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[1] Hozumi A, Takai O, Appl. Surf. Sci., 103, 431 (1996)

[2] Burrows PE, Graff GL, Gross ME, Martin PM, Hall M, Mast E, Bonham C, Bennet W, Sullivan MB, Displays, 22, 65 (2001)

[3] Amberg-Schwab S, Katschorek H, Weber U, Hoffmann M, Burger A, J. Sol-Gel Sci. Technol., 19, 125 (2000)

[4] Kim YS, Kusakabe K, Morooka S, Yang SM, Korean J. Chem. Eng., 18(1), 106 (2001)

[5] Zong Z, He J, Soucek MD, Progress in Organic Coatings, 53, 83 (2005)

[6] Que W, Zhang QY, Chan YC, Kam CH, Comp. Sci. and Technol., 63, 347 (2003)

[7] Chung JS, Kim DJ, Ahn WS, Ko JH, Cheong WJ, Korean J. Chem. Eng., 21(1), 132 (2004)

[8] Becker C, Krug H, Schmidt H, J. Sol-Gel Sci. Technol., 8, 625 (1997)

[9] Hoebbel D, Nacken M, Schmidt H, J. Sol-Gel Sci. Technol., 21, 177 (2001)

[10] Tohge N, Tadanaga K, Sakatani H, Minami T, J. Mater. Sci. Lett., 15(17), 1517 (1996)

[11] Nass R, Arpac E, Glaubitt W, Schmidt H, J. Non-Cryst. Solids, 121, 370 (1990)

[12] Wang B, Wilkes GL, J. Macromol. Sci. Pure Appl. Chem., 31, 249 (1994)

[13] Bonilla G, Martinez M, Mendoza AM, Widmaier J, European Polymer J., 42, 2977 (2006)

[14] Rubio E, Almaral J, Ramirez-Bon R, Optical Materials, 27, 1266 (2005)

[15] Jang K, Kim H, J. Sol-Gel Sci. Technol., 41, 19 (2007)

[16] Lim C, Hong SI, Kim H, J. Sol-Gel Sci. Technol., 43, 35 (2007)

[17] Lebeau B, Brasselet S, Zyss J, Sanchez C, Chem. Mater., 9, 1012 (1997)

[18] Shimojima A, Kuroda K, Langmuir, 18(4), 1144 (2002)

[19] Oubaha M, Dubois M, Murphy B, Etienne P, J. Sol-Gel Sci. Technol., 38, 111 (2006)

[20] Jackson CL, Bauer BJ, Nakatami AI, Barnes JD, Chem. Mater., 8, 727 (1996)

[21] Gilberts J, Tinnemans AHA, Hogerheide MP, Koster TPM, J. Sol-Gel Sci. Technol., 11, 153 (1998)

[22] Chen Z, Wu L, Chwa E, Tham O, Materials Science and Engineering A, 493, 292 (2008)

[23] Jang K, Kim JS, Lee S, Kim H, Solid State Phenomena, 124, 683 (2007)

[24] Vrancken KC, Decoster L, Vandervoort P, Grobet PJ, Vansant EF, J. Colloid Interface Sci., 170(1), 71 (1995)

[25] Shimizu A, Yoshino H, Okabayashi E, Nishio E, O’Connor CJ, J. Chem. Soc., Faraday Trans., 93, 1971 (1997)

[26] Zhu PX, Teranishi M, Xiang JH, Masuda Y, Seo WS, Koumoto K, Thin Solid Films, 473(2), 351 (2005)