abstract |
The present invention provides a (meth) acrylate-based copolymer comprising the following monomer (1) and monomer (2) as a copolymerization component: monomer (1): (meth)acrylic acid containing trimethylammonium Monomer: [Chemical Formula 1] □ [wherein, R1, R2, Y, X, and W are defined in the specification. Monomer (2): (meth) acrylate containing fluorine: □ [wherein, Rf, R1, R3, and Z are defined in the specification. ] |