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In this study, the effects of hybrid fillers such as multi-walled carbon nanotube (MWCNT) and nickelcoated carbon fiber (NCCF) on the electrical conductivity of polypropylene (PP) and polyamide 6 (PA6) blends were investigated. Polypropylene-g-maleic anhydride (PP-g-MAH) was used as a compatibilizer of the PP/PA6 blends. From the results of the transmission electron micrographs of the PP/PA6 (70/30)/MWCNT...
2,6-Dimethylnaphthalene (2,6-DMN), a key raw material for poly(ethylene naphthalate) (PEN), was selectively synthesized via a two-step process in an overall 66% yield from commercially available 4-bromotoluene and 3-methyl-3-buten-1-ol. The ligand-free Heck reaction of the starting materials produced γ-(p-tolyl)-substituted aldehyde that was cyclized with an acid to give 2,6-DMN after in situ oxidation...
Von Hippels1 photoconductivity experiments on solid dielectrics and his observations of vacancy and space charge formation ushered in two decades of research on the effects upon breakdown of: electrode mechanisms such as Schottky emission2 and Fowler-Nordheim emission;3 bulk-limiting mechanisms such as space charge limited currents4 and Poole-Frenkel defects;5 models and evidence for current controlled...
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