| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface-processed lens capable of maintaining high hydrophilicity and protein adsorption suppressing capability for a long period without spoiling its original function even when an external force of friction etc., is applied or when the lens is brought into contact with medicine. SOLUTION: The surface-processed lens is obtained by fixing a copolymer expressed by formula (1) on a lens surface through radiation irradiation. Here, R<SP>1</SP>is an aliphatic hydrocarbon group, R<SP>2</SP>is hydrogen or an aliphatic hydrocarbon group, and R<SP>3</SP>is a functional group originating from an aliphatic compound. Further, l+m=100, 0.1≤1/m≤100, and the weight-mean molecular weight of the copolymer is 1,000 to 500,000. COPYRIGHT: (C)2006,JPO&NCIPI
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