申请人:Xiao Wenjing
公开号:US09139552B2
公开(公告)日:2015-09-22
The present invention relates to indeno-fused naphthopyrans, and in particular indeno[2′,3′:3,4]naphtho[1,2-b]pyrans having certain groups bonded to the 3, 6, 7, 11, and 13 positions thereof. The indeno-fused naphthopyrans of the present invention have an ethylenically unsaturated group selected from (C1-C6 alkyl)acrylate and (C1-C6 alkyl)acrylamide, that is linked to the 11 position or 13 position thereof. The present invention also relates to photochromic articles and photochromic compositions containing such indeno-fused naphthopyrans.
本发明涉及吲哚并[2',3':3,4]萘并[1,2-b]吡喃衍生物,特别是在其3、6、7、11和13位上具有特定基团的吲哚并[2',3':3,4]萘并[1,2-b]吡喃。本发明的吲哚并[2',3':3,4]萘并[1,2-b]吡喃具有从其11位或13位连接的(C1-C6烷基)丙烯酸酯和(C1-C6烷基)丙烯酰胺中选择的乙烯基不饱和基团。本发明还涉及包含这种吲哚并[2',3':3,4]萘并[1,2-b]吡喃的光致变色物品和光致变色组合物。