UV curable crosslinking agents useful in copolymerization

A composition prepared by polymerizing a monomer mix comprising at least one acrylic-containing monomer, at least one vinyl-containing monomer, at least one styrene-containing monomer and a crosslinking agent having the schematic representation:

• ##STR19## wherein V denotes a vinyl-containing group having the formula:
• ##STR20## A' denotes an acrylic-containing group having the formula:
• ##STR21## S denotes a styrene-containing group having the formula:
• ##STR22## wherein R.sub.1, is an alkyl radical derived from substituted and unsubstituted hydrocarbons, polyalkylene oxide, poly(perfluoro) alkylene oxide, dialkyl-capped polydimethylsiloxane, dialkyl-capped polydimethylsiloxane modified with fluoroalkyl or fluoroether groups;
• R.sub.2,-R.sub.10, are independently H, or alkyl of 1 to 5 carbon atoms;
• Q is an organic group containing aromatic moieties having 6-30 carbon atoms;
• X, Y, and Z are independently O, NH or S;
• v' is 1, or higher;
• and
• a', s' are independently greater than or equal to 0, and a'+s' is greater than or equal to 1.

A composition prepared by polymerizing a monomer mix comprising at least one styrene-containing monomer, at least one vinyl-containing monomer and a crosslinking agent having schematic representation:

• ##STR23## wherein V denotes a vinyl-containing group having the formula:
• ##STR24## A' denotes an acrylic-containing group having the formula:
• ##STR25## S denotes a styrene-containing group having the formula:
• ##STR26## wherein R.sub.1, is an alkyl radical derived from substituted and unsubstituted hydrocarbons, polyalkylene oxide, poly(perfluoro) alkylene oxide, dialkyl-capped polydimethylsiloxane, dialkyl-capped polydimethylsiloxane modified with fluoroalkyl or fluoroether groups;
• R.sub.2,-R.sub.10, are independently H, or alkyl of 1 to 5 carbon atoms;
• Q is an organic group containing aromatic moieties having 6-30 carbon atoms;
• X, Y, and Z are independently O, NH or S;
• v' is 1, or higher;
• and
• a', s' are independently greater than or equal to 0, and a'+s' is greater than or equal to 1.

A composition prepared by polymerizing the monomer mix comprising at least one (meth)acrylate-capped or (meth)acrylamide-capped polysiloxane-containing monomer, at least one vinyl-containing monomer, and at least one crosslinking agent of the schematic representation:

• ##STR28## wherein V denotes a vinyl-containing group having the formula:
• ##STR29## A' denotes an acrylic-containing group having the formula:
• ##STR30## S denotes a styrene-containing group having the formula:
• ##STR31## wherein R.sub.1, is an alkyl radical derived from substituted and unsubstituted hydrocarbons, polyalkylene oxide, poly(perfluoro) alkylene oxide, dialkyl-capped polydimethylsiloxane, dialkyl-capped polydimethylsiloxane modified with fluoroalkyl or fluoroether groups;
• R.sub.2,-R.sub.10, are independently H, or alkyl of 1 to 5 carbon atoms;
• Q is an organic group containing aromatic moieties having 6-30 carbon atoms;
• X, Y, and Z are independently O, NH or S;
• v' is 1, or higher;
• and
• a', s' are independently greater than or equal to 0, and a'+s' is greater than or equal to 1.

The composition of claim 54 wherein said vinyl-containing polysiloxane prepolymer is a silicone-containing vinyl carbonate or vinyl carbamate monomer selected from the group consisting of 1,3-bis[4-vinyloxycarbonyloxy)but-1-yl]tetramethyl-disiloxane;

• 3-(trimethylsilyl)propyl vinyl carbonate;
• 3-(vinyloxycarbonylthio)propyl -[tris(trimethylsiloxy)silane];
• 3-[tris(trimethylsiloxy)silyl]propyl vinyl carbamate;
• 3-[tris(trimethylsiloxy)silyl]propyl allyl carbamate;
• 3-[tris(trimethylsiloxy)silyl]propyl vinyl carbonate;
• t-butyldimethylsiloxyethyl vinyl carbonate;
• trimethylsilylethyl vinyl carbonate;
• trimethylsilylmethyl vinyl carbonate;
• and "V.sub.2 D.sub.25 ", represented by the following formula:
• ##STR39##

A method of making a hydrogel comprising the steps of

• a) forming a monomer mix combining at least one acrylic-containing monomer and at least one vinyl-containing monomer and a crosslinking agent having the schematic representation:
• ##STR40## wherein V denotes a vinyl-containing group having the formula:
• ##STR41## A' denotes an acrylic-containing group having the formula:
• ##STR42## S denotes a styrene-containing group having the formula:
• ##STR43## wherein R.sub.1, is an alkyl radical derived from substituted and unsubstituted hydrocarbons, polyalkylene oxide, poly(perfluoro) alkylene oxide, dialkyl-capped polydimethylsiloxane, dialkyl-capped polydimethylsiloxane modified with fluoroalkyl or fluoroether groups;
• R.sub.2,-R.sub.10, are independently H, or alkyl of 1 to 5 carbon atoms;
• Q is an organic group containing aromatic moieties having 6-30 carbon atoms;
• X, Y, and Z are independently O, NH or S;
• v' is 1, or higher;
• and
• a', s' are independently greater than or equal to 0, and a'+s' is greater than or equal to 1;
• b) curing the mix of step a) to form a polymer;
• and
• c)hydrating the polymer produced in b) to form a hydrogel.

A method of making a hydrogel composition comprising the steps of

• a) forming a monomer mix combining at least one acrylic-containing, at least one vinyl-containing, at least one styrene-containing monomer and a crosslinking agent having the schematic representation:
• ##STR44## wherein V denotes a vinyl-containing group having the formula:
• ##STR45## A' denotes an acrylic-containing group having the formula:
• ##STR46## S denotes a styrene-containing group having the formula:
• ##STR47## wherein R.sub.1, is an alkyl radical derived from substituted and unsubstituted hydrocarbons, polyalkylene oxide, poly(perfluoro) alkylene oxide, dialkyl-capped polydimethylsiloxane, dialkyl-capped polydimethylsiloxane modified with fluoroalkyl or fluoroether groups;
• R.sub.2,-R.sub.10, are independently H, or alkyl of 1 to 5 carbon atoms;
• Q is an organic group containing aromatic moieties having 6-30 carbon atoms;
• X, Y, and Z are independently O, NH or S;
• v' is 1, or higher;
• and
• a', s' are independently greater than or equal to 0, and a'+s' is greater than or equal to 1;
• b) curing the mix of step a) to form a polymer;
• and
• c) hydrating the polymer produced in b) to form a hydrogel.