Patent ID: 8791169

Claim:
A fluorene-based resin polymer, comprising: a repeating unit represented by the following Formula 1: wherein, X 1 , X 2 , X 3 , X 4 , Z 1 , Z 2 , Z 3 and Z 4 are the same as or different from each other, and each independently selected from the group consisting of an alkylene group having 1 to 3 carbon atoms, an ethylene oxide group and a propylene oxide group, Y 1 and Y 2 are the same as or different from each other, and each independently selected from the group consisting of an alkylene group having 1 to 5 carbon atoms, a cycloalkylene group having 3 to 10 carbon atoms, a cycloalkenylene group having 3 to 10 carbon atoms and an arylene group having 6 to 10 carbon atoms, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are the same as or different from each other, and each independently hydrogen, or an alkyl group having 1 to 3 carbon atoms, and n is an integer of 1 to 5,000.