Hydrogels based on fluorine-containing and saccharide monomers

Details Hydrogels based on fluorine-containing and saccharide monomers Hydrogels based on fluorine-containing and saccharide monomers

C - Chemistry, Metallurgy

08

L

88/40, 400/8501

C08L 27/12 (2006.01) C08F 220/22 (2006.01) C08F 220/26 (2006.01) C08F 251/00 (2006.01) C08L 31/00 (2006.01) C08L 57/10 (2006.01) G02B 1/04 (2006.01)

Patent

CA 2005659

V-17364/+/T1T7 Hydrogels based on fluorine-containing saccharide monomers Abstract The invention relates to a hydrogel which is a copolymer of a polymerizable monomer mixture which contains a) 2-85 mol-% of a hydrophobic vinyl monomer with at least three fluorine atoms,b) 2-80 mol-% of a hydrophobic polyhydroxy vinyl monomer whose hydroxyl groups are in protected form, c) 2-70 mol-% of a hydrophilic vinyl monomer and, d) based on the total amount of monomers a)-c), 0-5 mol-% of a crosslinker, in which hydrogel the hydroxyl groups of the segments formed by the monomers b) are in protected or in free form. These hydrogels can be used, for example, as contact lenses, intraocular lenses or in other areas of application where biologically tolerated materials are required.

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