Hydroxyethyl cellulose derivatives containing pendant (meth)acryloyl units bound through urethane groups and hydrogel contact lenses made therefrom

摘要

The instant invention relates to methacrylate functionalized hydroxyethyl cellulose which is crosslinked with conventional vinylic monomers to form soft hydrogel contact lenses possessing high oxygen permeability, wettability, and mechanical strength.