Lens composition, articles and method of manufacture

Claim 1

A copolymer composition, especially suited for fabricating optical lenses, comprising a copolymer of copolymerized comonomers containing: a) about one to about forty percent by weight of an acrytoxyalkylsilanol having the structure wherein R = CH - or H-: X, Y = C 1 -C 6 alkyl; phenyl or Z n = 1-5 m = 1-3 Rl = C 1 -C 6 alkyl, cyclohexyl, or phenyl R2 = C 1 -C 6 alkyl, cyclohexyl, or phenyl R3 = C 1 -C 6 alkyl, cyclohexyl, or phenyl b) about one to about seventy five percent by weight of a polyacryloxyalkylpolysiloxane having the structure Wherein: R = CH 3 - or H-; m = 0-3 n = 1-5 X = C 1 -C 6 alkyl, cyclohexyl, phenyl or Z; Y = C 1 -C 6 alkyl, cyclohexyl, phenyl or Z; and c) about one to about seventy five percent by weight of a siloxy substituted ester of acrylic or methacrylic acid having the structure: Wherein R = CH 3 - or H-; X = C 1 -C 6 alkyl, cyclohexyl, phenyl or Z Y = C 1 -C 6 alkyl, cyclohexyl, phenyl or Z Rl = C l - C6 alkyl, cyclohexyl, or phenyl m = 0- 3 R2 = C l - C6 alkyl, cyclohexyl, or phenyl n = 1-5 R3 = C1-C6 alkyl, cyclohexyl, or phenyl R4 = C 1 -C 6 alkyl or cyclohexyl; and d) about one to about thirty-five percent by weight of an alkyl or cycloalkyl acrylate or methacrylate having from one to 20 carbon atoms.