Materials. 2-hydroxyethyl methacrylate (HEMA, 99%, Fluka), 2- hydroxyethyl acrylate (HEA, >97%, Fluka), , ’-azo-bis-isobutryo- nitrile (AIBN, Kodak),
Copolymerization of 2-hydroxyethyl acrylate and 2-hydroxyethyl
