Patent ID: 7256243

Claim:
A silicon compound represented by Formula (1): wherein respective R 1 's are groups independently selected from hydrogen, alkyl having a carbon atom number of 1 to 45 in which optional hydrogen may be substituted with fluorine and in which optional —CH 2 — may be substituted with —O—, —CH═CH—, cycloalkylene or cycloalkenylene, substituted or non-substituted aryl and arylalkyl constituted from a substituted or non-substituted aryl group and an alkylene group in which optional hydrogen may be substituted with fluorine and in which optional —CH 2 — may be substituted with —O—, —CH═CH— or cycloalkylene; R 2 and R 3 are groups independently selected from alkyl having a carbon atom number of 1 to 8, phenyl and cyclohexyl; and A is a group having a polymerization initiating ability for a monomer.