| 摘要 |
In new copolymers (I), having a controlled structure and comprising two separate parts, i.e. a part (A) comprising ionic (or potentially ionic) units and a part (B) which is not amphoteric or zwitterionic, part (A) is amphoteric or zwitterionic and comprises (i) cationic (or potentially cationic) units Ac, anionic (or potentially anionic) units Aa and optionally neutral, hydrophilic and/or hydrophobic units An or (ii) zwitterionic units Az and optionally units Ac, Aa and/or An. |
