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Physical Properties of Ophthalmic Copolymers Containing Vinylaniline and ZnO Nanoparticles

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DOI: 10.4236/jbnb.2013.44039    3,935 Downloads   6,283 Views  

ABSTRACT

The mixture of vinylaniline and 2-hydroxyethyl mrthacrylate mixed according to the mixing ratio, was allowed to stir in order to add functionality. ZnO nanoparticles, dispersed for approximately 1 hr in an ultrasonic bench top cleaner, were added to the mixture of monomers. Then the mixture at a mould was thermally polymerized to prepare high-performance hydrogel ophthalmic lens. The produced ophthalmic hydrogel lens was then put in 0.9% NaCl (normal saline solution) for 24 hrs for hydration, and various measurements were carried out. The surface analysis of ZnO nanoparticles dispersed in the macromolecular polymer was conducted using AFM (XE-100, Parks System). The produced hydrogel lens generally exhibited yellowish color, transparent and hydrophilic characteristics. Also, the contact lenses hydrated in standard saline solution generally exhibited the characteristics of flexibility and softness. The physical properties of the ophthalmic hydrogel lens material were measured. The refractive indexes of 1.359-1.423, water content of 37%-43%, and visible transmittance of 74%-82% were obtained.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

A. Sung and T. Kim, "Physical Properties of Ophthalmic Copolymers Containing Vinylaniline and ZnO Nanoparticles," Journal of Biomaterials and Nanobiotechnology, Vol. 4 No. 4, 2013, pp. 309-315. doi: 10.4236/jbnb.2013.44039.

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