POLYMERIZABLE PERFLUOROALKYLETHER SILOXANE MACROMER

摘要

A macromonomer of the formula (I): Q-PFPE-L-M-L-PFPE-Q is described, wherein Q may be the same or different and is a polymerizable group, PFPE may be the same or different and is a perfluorinated polyether of formula (II): -CH2CF2O(CF2CF2O)x(CF2O)yCF2CH2O-, wherein the CF2CF2O and CF2O units may be randomly distributed or distributed as blocks throughout the chain and wherein x and y may be the same or different such that the molecular weight of the PFPE is in the range of from 242 to 4,000, L may be the same or different and is a difunctional linking group; and M is a residue from a difunctional polymer or copolymer wherein M has a molecular weight of 180 to 6000 comprising silicone repeat units of formula (III), where R<1> and R<2> may be the same or different and are selected from the group consisting of hydrogen, alkyl, aryl, halosubstituted alkyl, and the like. The macromonomer may be used in the production of contact lenses, corneal implants, cell growth substrates or medical implants.