| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel copolymer having elastic feeling.SOLUTION: There is provided a copolymer having one or more kind of constitutional unit (a) derived from a hydrophobic monomer having a specific structure and one or more kind of constitutional unit (b) derived from a hydrophilic monomer represented by the following general formula (2) as essential constitutional units, and weight average molecular weight of 20000 to 110000.SELECTED DRAWING: None |
