Oxidized graphite flake layer/polyaniline composite material and method for preparing the same
A composite material and graphite sheet technology, which is applied in the field of graphite oxide sheet/polyaniline composite material and its preparation, can solve the performance gap of graphite oxide/polystyrene composite material, the comprehensive performance of the composite material is not high, and the weak bonding interface low cost, high yield, and short production cycle
Inactive Publication Date: 2009-07-29
NANJING UNIV OF SCI & TECH
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The invention relates to oxidized graphite sheet layer/polyaniline composite material and a preparation method thereof. The composite material is prepared by the following steps: the oxidized graphite is added into a dispersant for ultrasonic dispersion so as to form homodispersed single-sheet layer oxidized graphite mixed liquor; at the room temperature, aniline is added into the mixed liquor obtained in the first step drop by drop, and the ultrasonic dispersion is carried out to form the mixed liquor; a solution obtained by adding an oxidant into doping acid is dropwise added into the mixed liquor obtained in the second step for stirring and polymerization; the mixed liquor obtained in the third step is centrifugated, washed and dried in vacuum so as to obtain the oxidized graphite sheet layer/polyaniline composite material. The invention takes full advantages of big specific area of the oxidized graphite and surface oxygroup group to form binding sites and is organically combined with polyaniline skeleton by the chemical doping function of carboxylic acid group on the single-sheet layer of the oxidized graphite so as to form oxidized graphite/polyaniline complex; the operation process of preparing the product is simple, the production period thereof is short, the yield is high and the requirements on devices are low.
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