Chemical and nanomechanical analysis of rice husk modified by ATRP-grafted oligomer

► Synthesis of ATRP-active macroinitiator on surface of rice husk. ► Synthesis of amphiphilic block copolymer by grafting from rice husk surface. ► Rice husk with structured interface. ► Nanomechanical characterization of ATRP-grafted rice husk. ► XPS characterization of ATRP-grafted rice husk.