Nanocomposite electrolytes in Oxymethylene-linked Polyoxyethylene Multi-block Polymer: FT-IR, Spectral transmittance and Conductivity studies，张树鹏，Fu Xiangkai ，Oxymethylene-linked polyoxyethylene multi-block polymer was synthesized by condensing dichloromethane with poly (ethylene glycol) (PEG) of di