Ocular lens material

Details Ocular lens material Ocular lens material

C - Chemistry, Metallurgy

08

F

C08F 283/12 (2006.01) C08F 290/06 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)

Patent

CA 2099326

ABSTRACT An ocular lens material made of a copolymer of a polysiloxane macromonomer of the formula (I): Image (I) wherein A1 is Y11-R12- wherein y11 is an acryloyloxy group, etc., and R12 is a C2-6 linear or branched alkylene group; each of A2 and A3 is -R22-y21 wherein y21 is an acryloyloxy group, etc., and R22 is a C2-6 linear or branched alkylene group; U1 is -X31-E32-X33-R34- wherein X31 is a covalent bond, etc., E32 is a -NHCO- group, etc., X33 is an oxygen atom, etc., and R34 is a C1-6 linear or branched alkylene group; each of U2 and U3 is R41-X42-E43- X44 wherein X44 is a covalent bond, etc., E43 is a -CONH- group, etc., X42 is an oxygen atom, etc., and R41 is a C1- 6 linear or branched alkylene group; each of S1, S2 and S3 is: Image (VI) wherein each of R51, R52, R53, R54, R55 and R56 is a C1-3 alkyl group, etc., K is 1 to 1,500, and L is 0 to (1,500 - K); I1 is -R61-X62- wherein X62 is a covalent bond, etc., and R61 is a C1-6 linear or branched alkylene group; each of I2 and I3 is -X71-R72- wherein X71 is a covalent bond, etc., and R72 is a C1-6 linear or branched alkylene group; and T1 is: Image (IX) with a monomer having an unsaturated double bond copolymerizable with the polysiloxane macromonomer.

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