Hydrophilic copolymer and the method for producing thereof

Details Hydrophilic copolymer and the method for producing thereof Hydrophilic copolymer and the method for producing thereof

C - Chemistry, Metallurgy

08

F

402/405

C08F 226/10 (2006.01) C08F 220/28 (2006.01) C08F 246/00 (2006.01) G02B 1/04 (2006.01)

Patent

CA 1332774

ABSTRACT OF THE DISCLOSURE: The solution pertains to a hydrophilic copolymer suitable in particular for contact and intraocular lenses and medical applications and to a method for its production. The solution consists in a hydrophilic copolymer which can be prepared by copolymerization of 5 to 95 wt.-% 1-vinyl-2-pyr- rolidone with 95 to 5 wt.-% alkylene glycol acetate methacryla- tes or acrylates of the general formula I Image (I), where R is the group CH2=CH- or CH2=C(CH3)- and n means an integer 1 to 3, in the presence of 0.01 to 50 wt.-% of a cross- linking agent under the conditions of radical copolymerization in the presence of radical initiators.

604819

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