Carboxylic siloxanyl monomers with pendant polymerizable groups
View Patent ↗The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain carboxylic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. The polymeric compositions comprise polymerized carboxylic hydrophilic siloxanyl monomers.
1. A biomedical device comprising a polymerized monomer mixture comprising (a) one or more monomers of the Formula I:
wherein x and y each is at least 1, L can be the same or different and is selected from the group consisting of a bond, a straight or branched C1-C30 alkylene group, a C1-C30 fluoroalkylene group, a C1-C20 ester-containing group, an alkylene ether, cycloalkylene ether cycloalkenyl ether, arylene ether, arylalkylene ether, a polyether containing group, amide-containing group, amine-containing group, a substituted or unsubstituted C3-C30 cycloalkylene group, a substituted or unsubstituted C3-C30 cycloalkylalkylene group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C5-C30 arylene group, a substituted or unsubstituted C5-C30 arylalkylene group, a substituted or unsubstituted C5-C30 heteroarylene group, a substituted or unsubstituted C3-C30 heterocyclic ring, a substituted or unsubstituted C4-C30 heterocyclolalkylene group, a substituted or unsubstituted C6-C30 heteroarylalkylene group, a C5-C30 fluoroarylene group, or a hydroxyl substituted alkylene ether, and combinations thereof; X is H, one equivalent alkali metal, or ½ equivalent alkaline earth metal; R is independently hydrogen, a straight or branched C1-C30 alkyl group, a C1-C30 fluoroalkyl group, a C1-C20 ester-containing group, an alkyl ether, cycloalkyl ether, cycloalkenyl ether, aryl ether, arylalkyl ether, a polyether containing group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C3-C30 cycloalkyl group, a substituted or unsubstituted C3-C30 cycloalkylalkyl group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C5-C30 aryl group, a substituted or unsubstituted C5-C30 arylalkyl group, a substituted or unsubstituted C5-C30 heteroaryl group, a substituted or unsubstituted C3-C30 heterocyclic ring, a substituted or unsubstituted C4-C30 heterocyclolalkyl group, a substituted or unsubstituted C6-C30 heteroarylalkyl group, fluorine, a C5-C30 fluoroaryl group, or a hydroxyl group; and V is independently a polymerizable ethylenically unsaturated organic radical; and (b) at least one second monomer, wherein the biomedical device is selected from the group consisting of a soft contact lens, hydrogel contact lens, intraocular lens and a corneal implant.
2. A method of making a biomedical device comprising:
providing a monomer mixture comprising (a) one or more monomers of the Formula I:
wherein x and y each is at least 1, L can be the same or different and is selected from the group consisting of a bond, a straight or branched C1-C30 alkylene group, a C1-C30 fluoroalkylene group, a C1-C20 ester-containing group, an alkylene ether, cycloalkylene ether cycloalkenyl ether, arylene ether, arylalkylene ether, a polyether containing group, amide-containing group, amine-containing group, a substituted or unsubstituted C3-C30 cycloalkylene group, a substituted or unsubstituted C3-C30 cycloalkylalkylene group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C5-C30 arylene group, a substituted or unsubstituted C5-C30 arylalkylene group, a substituted or unsubstituted C5-C30 heteroarylene group, a substituted or unsubstituted C3-C30 heterocyclic ring, a substituted or unsubstituted C4-C30 heterocyclolalkylene group, a substituted or unsubstituted C6-C30 heteroarylalkylene group, a C5-C30 fluoroarylene group, or a hydroxyl substituted alkylene ether, and combinations thereof; X is H, one equivalent alkali metal, or ½ equivalent alkaline earth metal; R is independently hydrogen, a straight or branched C1-C30 alkyl group, a C1-C30 fluoroalkyl group, a C1-C20 ester-containing group, an alkyl ether, cycloalkyl ether, cycloalkenyl ether, aryl ether, arylalkyl ether, a polyether containing group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C3-C30 cycloalkyl group, a substituted or unsubstituted C3-C30 cycloalkylalkyl group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C5-C30 aryl group, a substituted or unsubstituted C5-C30 arylalkyl group, a substituted or unsubstituted C5-C30 heteroaryl group, a substituted or unsubstituted C3-C30 heterocyclic ring, a substituted or unsubstituted C4-C30 heterocyclolalkyl group, a substituted or unsubstituted C6-C30 heteroarylalkyl group, fluorine, a C5-C30 fluoroaryl group, or a hydroxyl group; and V is independently a polymerizable ethylenically unsaturated organic radical; and (b) at least a second monomer,
subjecting the monomer mixture to polymerizing conditions to provide a polymerized device; and
extracting the unpolymerized monomers from the polymerized device using either water or non-flammable solvents, or a mixture thereof.
3. The biomedical device of claim 1 , wherein the second monomer is selected from the group consisting of methacrylic acid, acrylic acid, itaconic acid, 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, N-vinylpyrrolidone, N-vinylcaprolactone, methacrylamide, N,N-dimethylacrylamide, ethylene glycol dimethacrylate, methyl methacrylate, allyl methacrylate, 3-methacryloxypropyl tris(trimethylsiloxy)silane and mixtures thereof.
4. The biomedical device of claim 1 , wherein the intraocular lens is a phakic intraocular lens or an aphakic intraocular lens.
5. The method of claim 2 , further comprising the step packaging and sterilizing the polymerized device.
6. A biomedical device comprising the polymerization product of a monomer mixture comprising (a) one or more monomers selected from the group consisting of:
wherein x and y each is at least 1, and (b) a second monomer; wherein the biomedical device is selected from the group consisting of heart valves, intraocular lenses, films, surgical devices, vessel substitutes, intrauterine devices, membranes, diaphragms, surgical implants, blood vessels, artificial ureters, artificial breast tissue, membranes for kidney dialysis machines, membranes for heart/lung machines, catheters, mouth guards, denture liners, ophthalmic devices, and contact lenses.
7. The biomedical device of claim 6 , wherein the second monomer is selected from the group consisting of an unsaturated carboxylic acid, itaconic acid ester, acrylic substituted alcohol, vinyl lactam, acrylamide, methacrylate, hydrophilic vinyl carbonate, hydrophilic vinyl carbamate monomer, hydrophilic oxazolone monomer and mixtures thereof.
8. The biomedical device of claim 6 , wherein the second monomer is selected from the group consisting of methacrylic acid, acrylic acid, itaconic acid, 2-hydroxyethyl methacrylate, 2-hydroxyethyl acrylate, N-vinylpyrrolidone, N-vinylcaprolactone, methacrylamide, N,N-dimethylacrylamide, methyl methacrylate, ethylene glycol dimethacrylate, allyl methacrylate, 3-methacryloxypropyltris(trimethylsiloxy)silane and mixtures thereof.
9. The biomedical device of claim 1 , wherein the second monomer is selected from the group consisting of unsaturated carboxylic acids, itaconic acid esters, acrylic substituted alcohols,vinyl lactams, acrylamides, methacrylates, hydrophilic vinyl carbonates, hydrophilic vinyl carbamate monomers, hydrophilic oxazolone monomers, and mixtures thereof.
10. The biomedical device of claim 1 , wherein the monomer mixture further comprises in addition to the second monomer a hydrophobic monomer and a hydrophilic monomer.