Effects of nano-ceramic filler titanium oxide(TiO2) have been investigated on the ionic conductance of polymeric complexes consisting of polyvinyl chloride)(PVC)/poly(ethyl methacrylate)(PEMA),and lithium per...Effects of nano-ceramic filler titanium oxide(TiO2) have been investigated on the ionic conductance of polymeric complexes consisting of polyvinyl chloride)(PVC)/poly(ethyl methacrylate)(PEMA),and lithium perchlorate(LiClO4).The composite polymer blend electrolytes were prepared by solvent casting technique.The TiO2 nanofillers were homogeneously dispersed in the polymer electrolyte matrix and exhibited excellent interconnection with PVC/PEMA/PC/UCIO4 polymer electrolyte.The addition of TiO2nanofillers improved the ionic conductivity of the polymer electrolyte to some extent when the content of TiO2 is 15 wt%.The addition of TiO2 also enhanced the thermal stability of the electrolyte.The changes in the structural and complex formation properties of the materials are studied by X-ray diffraction(XRD) and Fourier transform infrared spectroscopy(FTIR) techniques.The scanning electron microscope image of nano-composite polymer electrolyte membrane confirms that the TiO2 nanoparticles were distributed uniformly in the polymer matrix.展开更多
It is found that the volatile products of methyl methacrylate plasma can very actively initiate the polymerization of the monomer to produce ultrahigh molecular weight polymers. This polymerization of MMA occurs by a ...It is found that the volatile products of methyl methacrylate plasma can very actively initiate the polymerization of the monomer to produce ultrahigh molecular weight polymers. This polymerization of MMA occurs by a livlng free radical mechanism with instantaneous initiation and monomer transfer.展开更多
基金the UGC,New Delhi,India for providing financial support to carry out this work
文摘Effects of nano-ceramic filler titanium oxide(TiO2) have been investigated on the ionic conductance of polymeric complexes consisting of polyvinyl chloride)(PVC)/poly(ethyl methacrylate)(PEMA),and lithium perchlorate(LiClO4).The composite polymer blend electrolytes were prepared by solvent casting technique.The TiO2 nanofillers were homogeneously dispersed in the polymer electrolyte matrix and exhibited excellent interconnection with PVC/PEMA/PC/UCIO4 polymer electrolyte.The addition of TiO2nanofillers improved the ionic conductivity of the polymer electrolyte to some extent when the content of TiO2 is 15 wt%.The addition of TiO2 also enhanced the thermal stability of the electrolyte.The changes in the structural and complex formation properties of the materials are studied by X-ray diffraction(XRD) and Fourier transform infrared spectroscopy(FTIR) techniques.The scanning electron microscope image of nano-composite polymer electrolyte membrane confirms that the TiO2 nanoparticles were distributed uniformly in the polymer matrix.
基金Project supported by the National Natural Science Foundation of China.
文摘It is found that the volatile products of methyl methacrylate plasma can very actively initiate the polymerization of the monomer to produce ultrahigh molecular weight polymers. This polymerization of MMA occurs by a livlng free radical mechanism with instantaneous initiation and monomer transfer.