| abstract |
A polymer comprising at least 1% by mole of a structural unit represented by Formula (2):(in Formula (2), two R<sup>1</sup>s are the same or different from each other and are each a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X is a single bond, an oxygen atom, or a group represented by -COO-, -OOC-, -CONH-, -NH-, -NHCO-, -NR<sup>3</sup>-, or -CH<sub>2</sub>O-; Y is a single bond or an oligooxyalkylene group; two R<sup>2</sup>s are the same or different from each other and are each an alkyl group having 1 to 6 carbon atoms; R<sup>3</sup>is an alkyl group having 1 to 6 carbon atoms; m is an integer of 1 to 10; and n is an integer of 2 to 10)and having a number average molecular weight of 5, 000 or more has various characteristics suitable for use in contact with a living organism and can be easily produced. |