In General Formulas (aal-2-2) and (aal-3-2), Ra$_{1 }$and Ra$_{2 }$ each independently represent a hydrogen atom or an alkyl  group.  R$_{1}$ ,  R$_{2}$ ,  R$_{3}$ ,  and R$_{4 }$ each independently represent a hydro› gen atom or an alkyl group.  m $_{1 }$ and m$_{2 }$ each independently represent an integer of O to  5.  Rf$_{1 }$ and Rf$_{2 }$ each independently represent an organic  group which has a fluorine atom.  Ra$_{1 }$ and Ra$_{2 }$ are preferably a hydrogen atom or a methyl  group.  An alkyl group which is represented by Ri, R$_{2}$ ,  R$_{3}$ ,  and R$_{4 }$ is preferably, for example, a straight-chain or branched chain  alkyl group with 1 to 10 carbon atoms. The alkyl group may  have a substituent group and examples of the substituent  group include an alkoxy group, an aryl group, a halogen  atom, and the like.  m$_{1 }$ and m$_{2 }$ are preferably an integer of O to 3, more 60  preferably O or 1, and most preferably 1.  The organic group which has a fluorine atom as Rf$_{1 }$ and  Rf$_{2 }$ is the same as Rf in General Formula (aal-1).  In addition, in one aspect, the repeating unit  (y) is pref- erably a repeating unit which is represented by General  Formula (aal-2-3) or (aal-3-3) below.  Specific examples of the repeating unit (y) will be shown  below; however, the present invention is not limited thereto.  Rf$_{1 }$ and Rf$_{2 }$ each independently represent an organic  group which has a fluorine atom and are the same as Rf in  General Formula (aal-1).  In General Formulas (aal-2-3) and (aal-3-3), Ra$_{1 }$ repre- sents a hydrogen atom or a methyl group.  US  10,031,419 B2  183  184  Ra’  •:t  ~o  o,  Rf  Ra’  /yo  o,  Rf  (aal-2-2)  (aal-2-3)  (aal-3-3)  (aal-3-2)  (R,–R,).,,  0  0  I  Rf1  Ra$_{2 }$ I  0):0  I  Rf1 