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

1989-07-07

1990-04-10

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F 2608

Patent

active

049161970

ABSTRACT:
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-pyrrolidone with 95 to 5 wt.-% alkylene glycol acetate methacrylates or acrylates of the general formula I ##STR1## where R is the group CH.sub.2 .dbd.CH-- or CH.sub.2 .dbd.C(CH.sub.3)-- and n means an integer 1 to 3, in the presence of 0.01 to 50 wt.-% of a crosslinking agent under the conditions of radical copolymerization in the presence of radical initiators.

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