| abstract |
(57) Abstract: A 2-methacryloyloxyethylphosphorylcholine copolymer having excellent biocompatibility is provided. SOLUTION: General formula: [However, a is 0.03 to 0.70 and b is 0.30 to 0.97, n is an integer of 2 or more, R is H, OR '(R' represents an aliphatic hydrocarbon group or an aromatic hydrocarbon group)] and has a molecular weight of 5000 or more. A copolymer of 2-methacryloyloxyethylphosphorylcholine and a methacrylic acid ester. |