| 主权项 |
1. Polysiloxane comprising at least one structural element of formula (I)wherein
R1 is a C1-6 alkyl or a phenyl, R2 is a C1-6 alkyl, R3 is a saturated or at least monounsaturated, linear or branched, hydrocarbon moiety having 7-29 carbon atoms, optionally substituted with hydroxy, R4 is —CaH2a—, optionally substituted with C1-6 alkyl, C1-6 alkoxy, hydroxyl, or amino, R5 is attached to one of the two nitrogen atoms in the ring structure forming a quaternary ammonium ion and is a saturated or at least monounsaturated, or aromatic, hydrocarbon moiety having 1-20 carbon atoms, which optionally contains heteroatoms selected from S, O, and N, and is optionally substituted, a is 2 or 3, and X− is an organic or inorganic anion. |
