Konjac glucomannan/carboxylmethyl starch blend films were obtained by solution method and characterized by FT-IR, XRD, SEM, and by measurements of mechanical properties and water vapor transmission. The results demonstrated that there was strong interaction and good miscibility from intermolecular hydrogen bonding between konjac glucomannan and carboxylmethyl starch. The mechanical and water vapour barrier properties of blend films were greatly enhanced. The tensile strength and breaking elongation increase...