Water-soluble antibacterial polymer and liquid formulation comprising it for contact lenses
申请人:Menicon Co., Ltd.
公开号:EP0916682A1
公开(公告)日:1999-05-19
It is an object of the present invention to provide a water-soluble antibacterial polymer having an excellent antibacterial property and stability, and a liquid formulation comprising it for contact lenses, which is suitably used for disinfection or preservation of a contact lens.
A water-soluble antibacterial polymer having repeating units of the formula ():
wherein R1 is a hydrogen atom or a methyl group, R2 is a C1-8 alkylene group, R3 is a C1-18 alkyl group, and X1 is a halogen atom, and/or repeating units of the formula ():
wherein R4 is a hydrogen atom or a methyl group, R5 is a C1-8 alkylene group, R6 is a C1-18 alkyl group, and X2 is a halogen atom which is made by polymerization of a polymerizable component comprising a compound (A-1) of the formula ():
wherein R1 is a hydrogen atom or a methyl group, R2 is a C1-8 alkylene group, R3 is a C1-18 alkyl group, and X1 is a halogen atom, and/or a compound (A-2) of the formula ():
wherein R4 is a hydrogen atom or a methyl group, R5 is a C1-8 alkylene group, R6 is a C1-18 alkyl group, and X2 is a halogen atom wherein the polymerizable component contains at least one hydrophilic monomer copolymerizable with the compound (A-1) and/or the compound (A-2).
本发明的目的是提供一种具有优异抗菌性能和稳定性的水溶性抗菌聚合物,以及一种含有该聚合物的隐形眼镜液体制剂,该制剂适用于隐形眼镜的消毒或防腐。
具有式()重复单元的水溶性抗菌聚合物:
其中 R1 是氢原子或甲基,R2 是 C1-8 亚烷基,R3 是 C1-18 烷基,X1 是卤素原子,和/或式()的重复单元:
其中 R4 是氢原子或甲基,R5 是 C1-8 亚烷基,R6 是 C1-18 烷基,X2 是卤素原子,它是由包含式()化合物(A-1)的可聚合组分聚合而成:
其中 R1 是氢原子或甲基,R2 是 C1-8 亚烷基,R3 是 C1-18 烷基,X1 是卤素原子,和/或式()的化合物(A-2):
其中 R4 是氢原子或甲基,R5 是 C1-8 亚烷基,R6 是 C1-18 烷基,X2 是卤素原子,其中可聚合组分含有至少一种可与化合物 (A-1) 和/或化合物 (A-2) 共聚的亲水单体。