申请人:KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
公开号:EP0350009A1
公开(公告)日:1990-01-10
Disclosed herein is a photochromic compound comprising a spirooxazine compound represented by the following general formula (I):
wherein R¹ means an alkyl, allyl or alkoxyalkyl group, or a substituted or unsubstituted aralkyl or aryloxyalkyl group, R² and R³ individually denote a substituted or unsubstituted alkyl group, R⁴, R⁵, R⁶ and R⁷ stand individually for a hydrogen or halogen atom, or an alkyl, alkoxy, hydroxy, alkoxyalkyl, or substituted or unsubstituted amino group. A photochromic composition comprising the photochromic compound and a phenol derivative, fluorine-containing alcohol or hindered amine type light stabilizer is also disclosed.
本发明公开了一种光致变色化合物,它包含由以下通式(I)代表的螺螨嗪化合物:
其中 R¹ 表示烷基、烯丙基或烷氧基烷基,或取代或未取代的芳烷基或芳氧基烷基,R² 和 R³ 单独表示取代或未取代的烷基,R⁴、R⁵、R⁶ 和 R⁷ 单独表示氢原子或卤素原子,或烷基、烷氧基、羟基、烷氧基烷基,或取代或未取代的氨基。此外,还公开了一种光致变色组合物,该组合物由光致变色化合物和苯酚衍生物、含氟醇或受阻胺类光稳定剂组成。