Vinyl polymerization by carbon black,IV. Some properties of modified carbon black compared with its polymerization initiating activity |
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Authors: | Shah A. Haque Mukul Biswas |
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Abstract: | All grades of carbon black contain large amounts of unpaired electrons and organic functional groups. Polymerization reaction is possibly initiated by the unpaired electrons on the surface; the functional groups have promotional effect on the initiation process. All the properties like texture, geometry, surface area, pH of the aqueous slurry, ash content, and elemental composition have effects on the polymerization reaction. These pertinent physicochemical and surface properties of unmodified and modified N 220 carbon black have been studied in relation to N-vinylcarbazole polymerization. |
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