Contact lens material

Details Contact lens material Contact lens material

C - Chemistry, Metallurgy

08

F

402/22

C08F 230/08 (2006.01) C08F 220/22 (2006.01) G02B 1/04 (2006.01)

Patent

CA 1290492

ABSTRACT A contact lens material composed of a copolymer of a monomer mixture comprising, as essential monomers, from 5 to 20 parts by weight, based on 100 parts by weight of the total monomer mixture, of a hydrophilic monomer consisting of from 40 to 60 mol% of N-vinyl-2-pyrrolidone and from 40 to 60 mol% of metharylic acid and from 30 to 95 parts by weight, based on 100 parts by weight of the total monomer mixture, of at least one of a silicon-containing acrylate and a silicon-containing methacrylate.

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