申请人:Fuji Photo Film Co., Ltd.
公开号:US03933885A1
公开(公告)日:1976-01-20
A monomer unit represented by general formula (I) ##SPC1## wherein R.sub.1 is a hydrogen atom or a methyl group; R.sub.2 is a divalent group containing 2 to 10 carbon atoms; R.sub.3 is a hydrogen atom, a halogen atom (such as chlorine, bromine) a methoxy group, a nitro group or a methyl group; R.sub.4 is a hydrogen atom, a cyano group or a carbamoyl group; X and Y each represents --O--, --S--, or --NR.sub.5 --; and R.sub.5 represents a hydrogen atom, a methyl group or an ethyl group.
一种单体单元,通式(I)表示,其中R1是氢原子或甲基基团;R2是含有2至10个碳原子的二价基团;R3是氢原子、卤素原子(如氯、溴)、甲氧基、硝基或甲基基团;R4是氢原子、氰基或氨基甲酰基;X和Y分别表示--O--、--S--或--NR5--;R5表示氢原子、甲基或乙基基团。