Collagen-glucomannan-chitosan blend films were prepared successfully by the solvent-casting method.The binding energies of C,O,N of the blend films surface,and the half-peak width,C1S energy spectra as well as the contents of C,O,N of the blend film,surface were determined by XPS.Furthmore,surface energies were calculated by the measurement of contact angle in order to further understand the surface properties of blend films This provided the theoretical basis for the application of this kind of blend film in biomedicine.
