High refractive index polymeric siloxysilane compositions

Details High refractive index polymeric siloxysilane compositions High refractive index polymeric siloxysilane compositions

C - Chemistry, Metallurgy

07

F

C07F 7/18 (2006.01) C07F 7/08 (2006.01) C08F 30/08 (2006.01) C08F 230/08 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2465494

Optically transparent, relatively high refractive index polymeric compositions and ophthalmic devices such as intraocular lenses, contact lenses and corneal inlays made therefrom are described herein. The preferred polymeric compositions are produced through the polymerization of one or more siloxysilane monomers or the copolymerization of one or more siloxysilane monomers with one or more aromatic or non-aromatic non-siloxy monomers, hydrophobic monomers or hydrophilic monomers.

L'invention concerne des compositions polymères à indice réfractif relativement élevé, transparentes optiquement, et des dispositifs ophtalmiques, tels que des lentilles intraoculaires, des lentilles de contact et des <= inlays >= de la cornée élaborés à partirde ces compositions. Ces compositions polymères préférées sont produites au cours de la polymérisation d'au moins un monomère de siloxysilane ou de la copolymérisation d'au moins un monomère de siloxysilane avec au moins un monomère exempt de siloxy aromatique ou non aromatique, des monomères hydrophobes ou hydrophiles.

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