High water-absorptive soft contact lens

Details High water-absorptive soft contact lens High water-absorptive soft contact lens

G - Physics

02

B

400/3072, 88/40,

G02B 1/04 (2006.01) C08F 220/56 (2006.01) C08F 265/04 (2006.01) C08L 33/26 (2006.01)

Patent

CA 1272329

Abstract of the Disclosure A high water-absorptive soft contact lens made of a copolymer comprising (A) 10 to 40 parts by weight of an acrylate or methacrylate polymer having a hydrophilic group and at least one polymeriable group in its molecule and (B) 90 to 60 parts by weight of a hydrophilic monomer selected from the group consisting of an N-vinyllactam, acrylamide, N-substituted acrylamide derivative, methacrylamide and N-substituted methacrylamide derivative; the total amount of the components (A) and (B) being 100 parts by weight. The soft contact lens has high water content, excellent oxygen permeability, transparence and excellent physical properties.

498833

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