Preparation and Properties of Silicone Hydrogel Material Containing Silane Group with Cobalt Oxide Nanoparticles through Thermal Polymerization

Min-Jae Lee; Ki-Oh Kong; A-Young Sung

Korean Journal of Materials Research, Vol.30, No.6, 273-278, June, 2020

DOI10.3740/MRSK.2020.30.6.273 Export Citation

Preparation and Properties of Silicone Hydrogel Material Containing Silane Group with Cobalt Oxide Nanoparticles through Thermal Polymerization

Min-Jae Lee, Ki-Oh Kong¹, and A-Young Sung^†

Department of Optometry & Vision Science, Daegu Catholic University, Gyeongsan 38430, Republic of Korea
¹R&D Center, Sooyang Chemtec Co., Seoul, Republic of Korea

E-mail:

This research is conducted to analyze the compatibility of used monomers and produce the high functional hydrogel ophthalmic polymer containing silane and nanoparticles. VTMS (vinyltrimethoxysilane), TAVS [Triacetoxy(vinyl)silane] and cobalt oxide nanoparticles are used as additives for the basic combination of SilM (silicone monomer), MMA (methyl methacrylate) and MA (methyl acrylate). Also, the materials are copolymerized with EGDMA (ethylene glycol dimethacrylate) as cross-linking agent, AIBN (thermal polymerization initiator) as the initiator. It is judged that the lenses of all combinations are optically excellent and thus have good compatibility. Measurement of the optical and physical characteristics of the manufactured hydrophilic ophthalmic polymer are different in each case. Especially for TAVS, the addition of cobalt oxide nanoparticles increases the oxygen permeability. These materials are considered to create synergy, so they can be used in functional hydrogel ophthalmic lenses.

Keywords:silane group;cobalt oxide nanoparticles;thermal polymerization;polymerization stability;oxygen permeability

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[2] Kimberly AN, Thomas WG, Am. J. Pathol., 153, 665 (1998)

[3] Tran NPD, Yang MC, Polymers, 11, 944 (2019)

[4] Cheng L, Muller SJ, Radke CJ, Curr. Eye Res., 28, 93 (2004)

[5] Mitchell DD, U.S. Patent 4487905, 11 December 1984.

[6] Chromecek RC, Deichert WG, Falcetta JJ, VanBuren MF, U.S. Patent 4276402, 30 June 1981.

[7] Gaylord NG, U. S. Patent 3808178, 30 April 1974.

[8] Keogh P, Kunzler JF, Niu GCC, U.S. Patent 4260725, 7 April 1981.

[9] Gleiter H, Nanostruct. Mater., 6, 3 (1995)

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[12] Baumer M, Freund HJ, Surf. Sci., 61, 127 (1999)

[13] Trudeau ML, Ying JY, Nanostruct. Mater., 7, 245 (1996)

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[20] Xia XH, Tu JP, Zhang J, Huang XH, Wang XL, Zhang WK, Huang H, Electrochem. Commun., 10, 1815 (2008)

[21] ISO 18369-4:2017 (Ophthalmic Optics-Contact lenses Part 4:Physicochemical properties of contact lens materials;4.5 Refractive-Index).

[22] ISO 18369-4:2017 (Ophthalmic optics-Contact lenses-Part4: Physi chochemical properties of contact lens materials;4.6 water content).

[23] ANSI Z80.20-2010.

[24] ISO 18369-4:2017 (Ophthalmic Optics-Contact lenses Part 4:Physicochemical properties of contact lens materials;4.4.3 Polarographic method).

[25] KFDA Notification No. 2014-115, Korea, Ministry of Food and Drug Safety, General Standard for Biological Safety of Medical Devices.

[26] Wenzel RN, Ind. Eng. Chem., 28, 988 (1936)