Highly water-absorptive ocular lens material

Details Highly water-absorptive ocular lens material Highly water-absorptive ocular lens material

G - Physics

02

B

18/106, 400/2030

G02B 1/04 (2006.01) A61L 27/16 (2006.01) C08F 8/12 (2006.01) C08F 265/04 (2006.01) C08J 7/12 (2006.01)

Patent

CA 1335015

A highly water-absorptive ocular lens obtained by saponification for hydrophilic treatment of a copolymer article composed essentially of: (A) from 2 to 30 parts by weight of a (meth)acrylate polymer having at least one polymerizable group per molecule on an average obtained by copolymerizing (a) an alkyl (meth)acrylate monomer and (b) a monomer having at least two polymerizable groups per molecule, as the main components; (B) from 70 to 98 parts by weight of a fatty acid vinyl ester; and (C)from 0.02 to 3.0 parts by weight of a cross linking agent, provided that the total amount of polymer (A) and monomer (B) is 100 parts by weight.

592994

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