AMPHIPHILIC DIBLOCK COPOLYMERS POLY(2-HYDROXYETHYLMETHACRYLATE)-B-(N-PHENYLMALEIMIDE) AND POLY(2-HYDROXYETHYLMETHACRYLATE)-B-(STYRENE) USING THE MACROINITIATOR POLY(HEMA)-CL BY ATRP: PREPARATION, CHARACTERIZATION, AND THERMAL PROPERTIES Artículo académico