| 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 A c, anionic (or potentially anionic) units A a and optionally neutral, hydrophilic and/or hydrophobic units A n or (ii) zwitterionic units A z and optionally units A c, A a and/or A n. |
