Photochromic materials comprising at least one ring-opened...

Details Photochromic materials comprising at least one ring-opened... Photochromic materials comprising at least one ring-opened...

C - Chemistry, Metallurgy

09

K

C09K 9/02 (2006.01)

Patent

CA 2575053

Various non-limiting embodiments disclosed herein related to photochromic materials comprising the reaction product of (a) at least one ring-opening cyclic monomer, and (b) a photochromic initiator. Other non-limiting embodiments related to photochromic materials represented by formula (I) wherein S' comprises the at least one ring-opened cyclic monomer as set forth herein. Other non-limiting embodiments related to photochromic compositions, optical elements, and methods of inhibiting migration of a photochromic material in a polymeric material using the photochromic materials disclosed herein. Methods of making such photochromic materials, compositions, and optical elements are also disclosed.

La présente invention décrit divers modes de réalisation non limitatifs relativement à des matériaux photochromiques qui comprennent le produit de la réaction d'au moins un monomère cyclique à cycle ouvert (a) et d~un initiateur photochromique (b). L~invention comprend d~autres modes de réalisation non limitatifs relativement à des matériaux photochromiques représentés par la formule (I) où S~ comprend au moins un monomère cyclique à cycle ouvert tel que défini ici. L'invention décrit d~autres modes de réalisation non limitatifs relativement à des compositions photochromiques, des éléments optiques et des procédés d~inhibition de la migration d~un matériau photochromique dans un matériau polymérique en utilisant les matériaux photochromiques décrits ici. Des procédés de fabrication de tels matériaux photochromiques, compositions photochromiques et éléments optiques sont également décrits.

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