Preparing method for modified oxidized graphene
A technology of stone oxide and graphene, which is applied in the field of preparation of modified graphene oxide, can solve the problems of poor dispersion and compatibility, and achieve the effect of good compatibility and good dispersion
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[0012] The present invention is further illustrated by the following examples: According to the following examples, the present invention can be better understood. However, those skilled in the art can easily understand that the specific material ratios, process conditions and results described in the examples are only used to illustrate the present invention, and should not and will not limit the present invention described in the claims.
[0013] (1) Take 1g of graphite powder as the graphite raw material, mix it with 10ml of concentrated sulfuric acid and 3g of potassium permanganate evenly, place it in a closed reaction vessel, stir and react for 6h under the condition of heating in a water bath at 40°C, and then depressurize, filter, After washing, the filter is vacuum dried and ground. Ultrasonic disperse the dry and ground product in 10ml of deionized water, add hydrochloric acid to adjust the pH to less than 3, add 1g of potassium permanganate and stir at 0°C for 4h, a...
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