Method for preparing poly 1,5-diamino-anthraquinone modified graphene nanometer composite material
A technology of nanocomposite materials and diaminoanthraquinone, which is applied in the field of materials, can solve the problems of serious aggregation and phase separation, difficulty in obtaining uniformly dispersed nanocomposite materials at the nanometer scale, and achieve the effect of reducing manufacturing costs and making the process simple and easy.
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Embodiment 1
[0025] (1) Ingredients
[0026] Dissolve 98% sulfuric acid in N,N-dimethylformamide (DMF) to make 100 mL acidic organic solution, the concentration of sulfuric acid is 1.5 molL -1 , and divided into two parts of 50 mL each; then 10 mmol 1,5-diaminoanthraquinone and 0.05 g graphite oxide were added to one part of the DMF acidic solution, ultrasonically dispersed to obtain a purple-brown sol (sol A), and then the oxidant was dissolved in another part of DMF acidic solution, and slowly added dropwise to Sol A to obtain a mixed sol.
[0027] (2) constant temperature reaction
[0028] Seal the mouth of the beaker with plastic wrap to prevent dust from entering the mixed sol obtained in step (1), and let it stand at room temperature for 24 hours to obtain the intermediate product poly-1,5-diaminoanthraquinone-modified graphene oxide nanocomposite powder;
[0029] (3) washing
[0030] The precipitate obtained in step (2) is washed with deionized water and then centrifuged, the cen...
Embodiment 2
[0039] Repeat Example 1, and replace the potassium dichromate in Example 1 with potassium permanganate and hydrochloric acid to obtain poly-1,5-diaminoanthraquinone modified graphene nanocomposite powder.
Embodiment 3、4
[0041] Repeat Example 1, and replace the sulfuric acid in Example 1 with nitric acid and perchloric acid, respectively, to obtain poly-1,5-diaminoanthraquinone-modified graphene nanocomposite powder.
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