Biomedical devices
View Patent ↗Biomedical devices are provided herein which are formed from a polymerization product of a monomeric mixture comprising one or more monomers comprising one or more trifluorovinyl groups, e.g., a perfluorocyclobutane containing polymer.
1. An ophthalmic lens formed from a polymerization product of a monomeric mixture comprising one or more monomers having at least two dimerizable perfluorovinyl groups.
2. The ophthalmic lens of claim 1 , wherein the monomeric mixture comprises one or more monomers having at least two dimerizable perfluorovinyl ether groups.
3. The ophthalmic lens of claim 1 , wherein the monomeric mixture comprises one or more monomers having at least two dimerizable perfluorovinyl aromatic ether groups.
4. The ophthalmic lens of claim 1 , wherein the monomeric mixture comprises one or more monomers having at least two dimerizable perfluorovinyl groups of the general formula
F 2 C═CF—X—R 5 —(X—CF═CF 2 ) m
wherein R 5 represents one or more inertly substituted groups; X is independently a group which links the R 5 group and the trifluorovinyl group and m is an integer of 1 to about 1000.
5. The ophthalmic lens of claim 4 , wherein R 5 comprises a substituted or unsubstituted cyclic or polycyclic containing group or a substituted or unsubstituted cyclic or polycyclic siloxane containing group, X is independently a bond, an oxygen atom, a sulfur atom, a carboxylic or thiocarboxylic ester group, an amide group, a sulfone, a sulfoxide, a carbonate, a carbamate, a perfluoroalkylene, a perfluoroalkylene ether, an alkylene, an acetylene, a phosphine, a carbonyl or thiocarbonyl group; seleno; telluro; nitrido; a silanediyl group, a trisilanediyl group, a tetrasilanetetrayl group, a siloxanediyl group, a disiloxanediyl group, a trisiloxyldiyl group, a trisilazanyl group, a silythio group, or a boranediyl group and m is from 1 to about 10.
6. The ophthalmic lens of claim 4 , wherein each X is O, R 5 selected from the group consisting of
and wherein each O atom may independently be bonded to the aromatic group either ortho, meta and/or para with respect one another and m is 1 to about 5.
7. The ophthalmic lens of claim 1 , wherein the monomer mixture comprises one or monomers of the general formula
F 2 C═CF—X—R 6 —(X—CF═CF 2 ) m
wherein R 6 is one or more substituted or unsubstituted C 3 -C 25 cycloalkyl groups optionally containing one or more heteroatoms; each X is independently a group which links the R 6 group and the trifluorovinyl group; and m is an integer of 1 to about 1000.
8. The ophthalmic lens of claim 7 , wherein each X is O, R 6 is selected from the group consisting of
and m is 1 to about 10.
9. The ophthalmic lens of claim 4 , wherein the polymerization product is a thermal polymerization product.
10. The ophthalmic lens of claim 1 , wherein the ophthalmic lens is a contact lens.
11. The ophthalmic lens of claim 10 , wherein the contact lens is a rigid gas permeable lens.
12. An ophthalmic lens formed from a polymerization product of a monomeric mixture comprising one or more polysiloxane containing monomers having at least two dimerizable perfluorovinyl groups.
13. The ophthalmic lens of claim 12 , wherein the polysiloxane containing monomer is a polysiloxane containing cyclic monomer.
14. The ophthalmic lens of claim 12 , wherein the polysiloxane containing monomer is a polysiloxane containing polycyclic monomer.