Method of preparing foldable high refractive index acrylic...

Details Method of preparing foldable high refractive index acrylic... Method of preparing foldable high refractive index acrylic...

C - Chemistry, Metallurgy

08

F

C08F 2/50 (2006.01) A61L 27/00 (2006.01) A61L 27/16 (2006.01) A61L 27/50 (2006.01) B29D 11/00 (2006.01) C08F 20/18 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2279452

Foldable, acrylic, high refractive index ophthalmic device materi- als containing a UV absorbing chromophore are cured by exposure to blue light using a benzoylphosphine oxide photoinitiator.

L'invention concerne un procédé de préparation de matières pour dispositifs ophtalmiques en acrylique pliables à indice de réfraction élevé, qui contiennent un chromophore absorbant les UV et qu'on polymérise par une exposition à de la lumière bleue en employant un photoamorceur d'oxyde de benzoylphosphine.

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