| abstract |
A novel polymer, composition and molded article are provided. (1) (Wherein X 11 and X 12 are the same or different and each represents a hydrogen atom, an alkyl group which may have a fluorine atom or a phenyl group, Y 11 represents an oxygen atom or a sulfur atom, R f 11 represents a hydrogen atom, Or an alkyl group which may have a fluorine atom, and a represents an integer of 1 to 4). |