Polymers having antibacterial activity are disclosed. The polymers are water-dispersible vinyl copolymers comprising
a) from 15 to 90 mole percent of recurring polymerized vinyl monomer units having a quaternary nitrogen cationic group containing an alkyl substituent having 14 to 20 carbon atoms and
b) from 10 to 85 mole percent recurring polymerized vinyl monomer units having a quaternary nitrogen cationic group having one or more alkyl substituents containing less than 14 carbon atoms.
本发明公开了具有抗菌活性的聚合物。 这些聚合物是可在
水中分散的
乙烯基共聚物,其中 a) 15 至 90 摩尔%的重复聚合
乙烯基单体单元具有含有 14 至 20 个碳原子的烷基取代基的季氮阳离子基团;b) 10 至 85 摩尔%的重复聚合
乙烯基单体单元具有含有一个或多个碳原子数小于 14 的烷基取代基的季氮阳离子基团。