Blends of HCl-doped polyaniline nanoparticles and poly(vinyl chloride) with extr

2019-05-12 08:42:41

HCl blends PANI chloride Morphology

责任者: Banerjee, Pallab;Mandal, Broja M. 单位: Indian Assoc for the Cultivation of Science, Calcutta, India 来源出处: Synthetic Metals,1995,74(3):257-261 摘要: Blends of hydrochloric acid-doped polyaniline (PANI · HCl) nanoparticles and poly(vinyl chloride) (PVC) have been prepared by redispersing sedimented colloidal particles of PANI in tetrahydrofuran solutions of PVC using ultrasound and casting the film from the dispersion. The blends have the characteristics of extremely low percolation threshold at a volume fraction of PANI of 4.02 × 10-4. The morphology of the blends as revealed by transmission electron microscopy (TEM) of the blend films directly cast on TEM grids is discussed. Above the percolation threshold the dispersed PANI · HCl phase shows a globular network morphology in contrast to the fibrillar network morphology observed earlier for PANI · HCl-poly(vinyl alcohol) blends prepared by the present method. 关键词: Polymer blends;Hydrochloric acid;Polyvinyl chlorides;Morphology;Sedimentation;Solutions;Percolation (solid state);Transmission electron microscopy;Doping (additives);Tetrahydrofuron solutions;Polyanilines;Polymeric stabilizer;Latex blending method;Vinyl chloride;Vinylidene chloride;Methyl metacrylate;Solution blending process;Polymeric stabilizer;Percolation threshold