Synthesis and characterization of acrylamide/N-vinylpyrrolidone copolymer with pendent thiol groups for ophthalmic applications

Injectable acrylamide/ N-vinylpyrrolidinone copolymers with pendent thiol groups were prepared by a radical polymerization and reductive dissolution reaction. The solution of copolymers was re-gelled through oxidation in air or the thiol–disulfide exchange reaction. The re-gelation time could be adj...

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