The Effect of Platinum Nanoparticles and Silicone Monomers for High Gas Permeable Materials
The surface of a hydrophobic silicone monomer material could be modified and its water content could be increased by using poly(ethylene glycol) methyl ether methacrylate, which is anacrylate material containing PEG. The physical and optical characteristics of silicone hydrogel ophthalmic lens containing silicone monomer and the basic hydrogel ophthalmic lens material were examined. For manufacturing silicone hydrogel ophthalmic lens, silicone monomer, DMA (n,n-dimethylacrylamide) were copolymerized in the presence of AIBN as an initiator. And also, the PEGMEMA and Platinum nanoparticles were used as additive. The results of the measurement showed that the oxygen transmittance, water content, refractive index and contact angle of the silicone hydrogel lens polymer was 48.4469~86.5099×10-11 (cm2/sec) (mlO2/ml × mmHg), 15.83~24.67%, 1.4463~1.4341 and 84.27~86.47°, respectively. This material is expected to be used usefully as a material for the water content development of silicone hydrogel ophthalmic lens without affecting the contact angle. Furthermore, the current lens coloring method used pigments, but the platinum nanoparticles can be used to induce a coloring effect with their unique color, and they can also be used as an antibacterial material for the ophthalmic lens.
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Document Type: Research Article
Affiliations: Department of Optometry and Vision Science, Catholic University of Daegu, Gyeoungsan, Gyeoungbuk, 38430, Korea
Publication date: August 1, 2017
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