| 摘要 |
The invention relates to homopolyesters and copolyesters and homo-oligoesters and co-oligoesters that are composed of at least one monomer kind, selected from the hydroxy acids that are substituted by at least one quaternary ammonium group. The inventive polyesters and oligoesters can be used in the field of washing and cleaning agents, textile treating agents, and cosmetic, pharmaceutical and medical products, or foodstuff, etc. |
