申请人:——
公开号:US20030114669A1
公开(公告)日:2003-06-19
A photochromic compound for incorporation into plastic articles, particularly into a plastic lens, is selected from a spiro(indoline)naphtho(2,1-b) (1,4)oxazine and a spiro(indoline)naphtho(1,2-b) (1,4)oxazine containing a group selected from: (a) —CH2—CnF2n+1 at the nitrogen atom in the 1-position on the indoline part of the molecule, wherein n is an integer of 1 to 6; (b) —COOR at the 3-position on the indoline part of the molecule, wherein R is (i) C1-C6 alkyl optionally substituted by fluoro, C1-C4 alkoxy or fluoroalkoxy, C1-C4 alkylcarbonyloxy, C2-C4 alkenylcarbonyloxy, C3-C6 cycloalkyl or aryl; (ii) C2-C6 alkenyl with a terminal double bond; (iii) C3-C6 cycloalkyl optionally substituted by fluoro; or (iv) aryl; (c) an —OCF3 group on the benzene ring of the indoline part of the molecule; (d) an aryl(dialkyl)methyl group of the formula —C(aryl) (CnH2n+1) (CmH2m+1), wherein n and m are integers from 1 to 5, linked to one of the benzene rings of the naphthoxazine part of the molecule; and (e) any combination of (a), (b), (c) and/or (d).
选择一种光致变色化合物,用于塑料制品,特别是用于塑料镜片,所选化合物为螺(indoline)萘(2,1-b)(1,4)噁嗪和螺(indoline)萘(1,2-b)(1,4)噁嗪,含有以下所选基团之一:(a) -CH2-CnF2n+1位于分子中吲哚部分的1位氮原子上,其中n为1至6的整数;(b) -COOR位于分子中吲哚部分的3位,其中R为(i) 可选择由氟代、C1-C4烷氧基或氟烷氧基、C1-C4烷基羰氧基、C2-C4烯基羰氧基、C3-C6环烷基或芳基取代的C1-C6烷基;(ii) 具有末端双键的C2-C6烯基;(iii) 可选择由氟代取代的C3-C6环烷基;或(iv) 芳基;(c) 分子中苯环上的-OCF3基团;(d) 公式为-C(芳基)(CnH2n+1)(CmH2m+1)的芳基(二烷基)甲基基团,其中n和m为1至5的整数,连接到分子中萘噁嗪部分的苯环之一;以及(e) (a)、(b)、(c)和/或(d)的任意组合。