Soft ocular lens material

A soft ocular lens material made of a copolymer consisting essentially of:

• (A) from 5 to 70 parts by weight of a fluorine-containing (meth)acrylate of the formula III:
• CH.sub.2 =CR.sup.7 COOCpH.sub.( 2p-q-r=l)Fq(OH).sub.r (III)
• wherein R.sub.7 represents a hydrogen atom or a methyl groups, p is an integer of form 1 to 15, q is an integer of from 1 to (2p+1), and r is an integer of from 0 to 2.
• (B) from 5 to 60 parts by weight of an alkyl (meth)acrylate;
• (C) from 3 to 45 parts by weight of a polysiloxane macromonomer having polymerizable groups at both terminals, of the formula I:
• ##STR54## wherein each of Y.sup.11 and Y.sup.12 independently represents an acryloyl group, a methacryloyl group, a vinyl group or an allyl group;
• each of X.sup.11 and X.sup.12 independently represents a covalent bond, an oxygen atom or an alkylene glycol group;
• each of R.sup.11 and R.sup.12 independently represents a linear or branched alkylene group having from 1 to 6 carbon atoms;
• each of R.sup.13, R.sup.14, R.sup.15, R.sup.16, R.sup.17 and R.sup.18 independently represents an alkyl group having from 1 to 3 carbon atoms or a phenyl group;
• i is an integer of from 1 to 1500;
• and j is an integer of from 0 to 1499 (provided that i+j is at most 1500);
• and
• (D) from 3 to 40 parts by weight of a polysiloxane macromonomer having polymerizable groups bonded via one or two urethane bonds to the siloxane main chain, of the formula II:
• ##STR55## wherein each of Y.sup.21 and Y.sup.22 independently represents a group selected from the group consisting of an acryloyloxy group, a methacryloyloxy group, a vinyl group and an allyl group;
• each of R.sup.31 and R.sup.34 independently represents a linear or branched alkylene group having from 2 to 6 carbon atoms;
• each of X.sup.21 and X.sup.22 independently represents a covalent bond, an oxygen atom or an alkylene glycol group;
• each of R.sup.32 and R.sup.33 independently represents a linear or branched alkylene group having from 1 to 6 carbon atoms;
• each of R.sup.23, R.sup.24, R.sup.25, R.sup.26, R.sup.27 and R.sup.28 independently represents an alkyl group having from 1 to 3 carbon atoms or a phenyl group;
• each of E.sup.21 and E.sup.22 independently represents --NHCO-- (provided that in this case, each of X.sup.21 and X.sup.22 is a covalent bond, E.sup.21 forms a urethane bond together with X.sup.25, and E.sup.22 forms a urethane bond together with X.sup.26) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, X.sup.21 and X.sup.22 independently represents an oxygen atom or an alkylene glycol group, E.sup.21 forms a urethane bond together with X.sup.21 and X.sup.25, and E.sup.22 forms a urethane bond together with X.sup.22 and X.sup.26);
• each of X.sup.25 and X.sup.26 independently represents an oxygen atom, an alkylene glycol or a group represented by the formula V:
• ##STR56## wherein R.sup.41 is a trivalent hydrocarbon group having from 1 to 6 carbon atoms;
• Y.sup.23 represents a group selected from the group consisting of an acryloyloxy group, a methacryloyloxy group, a vinyl group and a allyl group;
• R.sup.36 represents a linear or branched alkylene group having from 2 to 6 carbon atoms;
• X.sup.23 represents a covalent bond, an oxygen atom or an alkylene glycol group;
• E.sup.23 represents --NHCO-- (provided that in this case, X.sup.23 is a covalent bond) or a bivalent group derived from a diisocyanate selected from the group consisting of saturated aliphatic, alicyclic and aromatic diisocyanates (provided that in this case, X.sup.23 is an oxygen atom or an alkylene glycol group), which forms a urethane bond together with X.sup.23 and the adjacent oxygen atom bonded to R.sup.41 ;
• a is an integer of from 1 to 1500;
• and b is an integer of from 0 to 1499, provided a+b.ltoreq.1500;
• as essential copolymer components.