Optical elements comprising compatiblizing coatings and...

G - Physics – 02 – B

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G02B 1/04 (2006.01) C09D 5/03 (2006.01) C09D 5/44 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2674623

The present invention relates to optical elements, such as ophthalmic elements, including a substrate, a compatiblizing coating that optionally includes a dendritic polymer on at least a portion of the surface of the substrate and a functional organic coating, such as, but not limited to, an alignment coating, a photochromic coating, or an aligned liquid crystal coating, in contact with at least a portion of the compatiblizing coating opposite the substrate. The present invention also relates to compatiblizing coating compositions of dendritic polymers that may be used to form compatiblizing coatings on the surface of an optical element, and methods of making optical elements using the compatiblizing coatings.

La présente invention concerne des éléments optiques, tels que des éléments ophtalmiques, comprenant un substrat, un revêtement de compatibilisation qui comprend facultativement un polymère dendritique sur au moins une partie de la surface du substrat et un revêtement organique fonctionnel, tel que, mais sans s'y limiter, un revêtement d'alignement, un revêtement photochromique, ou un revêtement de cristal liquide aligné, en contact avec au moins une partie du revêtement de compatibilisation opposée au substrat. La présente invention concerne également des compositions de revêtement de compatibilisation de polymères dendritiques qui peuvent être utilisées pour former des revêtements de compatibilisation sur la surface d'un élément optique et des procédés de fabrication d'éléments optiques en utilisant les revêtements de compatibilisation.

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