Patent ID: 7041711

Claim:
A polymerizable composition comprising a compound represented by the following general formula (I): wherein Z 1 represents a hydrogen atom or CH 3 ; Z 2 represents H, CH 3 or CHR b X 1 ; X 1 represents a substituted oxy group, a substituted amino group or a substituted thio group; R b represents a hydrogen atom or a hydrocarbon group; R 1 represents a divalent aliphatic hydrocarbon connecting group, which may include an —O— connecting group; R 2 represents an aliphatic hydrocarbon connecting group having a valence of (m+n), which may include an —O— connecting group, and is a connecting group having a valence of 3 to 6; and m and n each independently represents an integer of from 1 to 5, wherein m+n is 3 to 6.