C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 9/02 (2006.01) G02B 5/08 (2006.01) G02B 5/23 (2006.01) G02C 7/02 (2006.01) G02F 1/13 (2006.01)
Patent
CA 2602661
Various non-limiting embodiments of the present disclosure relate to photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety or an electrophilic moiety. Other non-limiting embodiments of the present disclosure relate to photochromic articles, compositions, and methods of making the photochromic articles, wherein the photochromic articles and compositions comprise the photochromic naphthopyrans described herein.
Plusieurs modes de réalisation de l'invention concernent des matériaux photochromes comprenant un substitut réactif. Par exemple, l'invention concerne des matériaux photochromes, notamment des naphtopyranes photochromes et des naphtopyranes indénofusionnés ayant un substitut réactif contenant un fragment réactif lié au naphtopyrane photochrome par un ou plusieurs groupements de liaison. Dans certains modes de réalisation, le fragment réactif comprend un fragment polymérisable. Dans d'autres modes de réalisation, le fragment réactif comprend un fragment nucléophile ou un fragment électrophile. D'autres modes de réalisation comprennent des articles photochromes, des compositions et des procédés de fabrication des articles photochromes, les articles photochromes et les compositions comprenant les naphtopyranes photochromes de cette invention.
Van Gemert Barry
Xiao Wenjing
Borden Ladner Gervais Llp
Transitions Optical Inc.
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