Abstract
The obtaining of polymers with special properties is dependent on both conditions and materials used in the formation process. This work presents the obtaining, by using the sol-gel method (and citric acid used as in mixture fuel), of some powdery materials destined to be used as additives in polymers’ formation. Different types of salts were used in the powders’ obtaining process, the long term purpose being to add special properties to polymeric materials, such as good electrical conductivity or photovoltaic capabilities. The materials and methods are thoroughly presented, proving the obtaining repeatability of these powders. Different characterization techniques were used and presented in this paper, from Scanning Electron Microscopy (SEM) for morphology, to EDX for elemental composition, Raman scattering for vibrational properties, thermal analysis by differential scanning calorimetry (DSC), and electrical resistivity for electrical conductivity calculation.
Keywords: modifying agents; powders characterization; special properties polymers