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A kind of preparation method and application of graphene oxide-Brianite composite

A graphene and composite technology, applied in chemical instruments and methods, water pollutants, other chemical processes, etc., can solve the problems of insufficient single output and long reaction process.

Active Publication Date: 2022-06-14
苏州昆道新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the coordination complex prepared by the above method prepares a new type of graphene complex, this method requires the use of controlled reagents such as concentrated nitric acid and concentrated sulfuric acid, and the reaction process is relatively long, and the single output is not large enough

Method used

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  • A kind of preparation method and application of graphene oxide-Brianite composite
  • A kind of preparation method and application of graphene oxide-Brianite composite
  • A kind of preparation method and application of graphene oxide-Brianite composite

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preparation example Construction

[0018] Aiming at the problems in the preparation of graphene composite materials in the prior art, the present application provides a preparation method of graphene oxide-brillonite composites, which has the advantages of safe preparation process, high single output and short preparation time . Specifically, the embodiment of the present invention discloses a preparation method of a graphene oxide-brillonite composite, comprising the following steps:

[0019] The zinc sulfate heptahydrate and the urea are reacted in water for the first time, and then the graphene oxide dispersion liquid is added, and the reaction is performed again to obtain the graphene oxide-brillonite composite.

[0020] In the above-mentioned preparation process, the present application firstly prepared bryantite, but bryantite was not directly prepared in one step, specifically, the primary reaction of zinc sulfate heptahydrate and urea in water, more specifically, the primary reaction It can be carried ...

Embodiment

[0026] Dissolve 1g of heptashui, zinc sulfate and 3g of urea in 100g of water. After the solution is completely dissolved, pour the solution into a three-necked flask, raise the temperature of the oil bath to 95 °C, and put the three-necked flask into the oil bath. Start the reaction, the three-necked flask needs to be connected to a serpentine condenser during the reaction, so that the water content in the solution remains unchanged as much as possible, which is beneficial to the stability of the product;

[0027] Prepare graphene oxide dispersion liquid while the above reaction is carried out, dissolve 0.01g~0.08g of graphene oxide in 20g of water, and ultrasonicate for more than 1 hour; after 5 hours of oil bath reaction, add graphene oxide to the three-necked flask The dispersion liquid was kept at 95°C and reacted for another 1 h, then the three-necked flask was taken out from the oil bath, cooled naturally, the precipitate was taken out, and the final product was obtained...

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Abstract

The invention provides a preparation method of a graphene oxide-Brianite composite, comprising the following steps: reacting zinc sulfate heptahydrate and urea in water for the first time, adding graphene oxide dispersion liquid, and reacting again to obtain graphite oxide ene-brianite complex. This application provides a preparation method of graphene oxide-Brianite composite. The preparation raw materials of this preparation method are all non-hazardous chemicals, the preparation process is safer, and the preparation time is short. Generally, it can be completed in 7-8 hours. And the yield of graphene oxide-brianite prepared in one time is high.

Description

technical field [0001] The invention relates to the technical field of material synthesis, in particular to a preparation method and application of a graphene oxide-brillonite composite. Background technique [0002] Graphene is a carbon atom with sp 2 Hybrid orbitals form a hexagonal two-dimensional carbon nanomaterial with a honeycomb shape, which has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, and drug delivery. , is considered a future revolutionary material. [0003] In order to further broaden the application of graphene, the Chinese Patent Publication No. CN105778905A discloses the preparation of a graphene oxide quantum dot-brillonite coordination complex, which first prepares graphene oxide quantum dots, namely carbon fiber It is mixed with concentrated sulfuric acid and concentrated nitric acid and heated after ultrasonication, and then the prep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/20B01J20/30C02F1/28C02F101/30
CPCB01J20/20C02F1/288C02F2101/308
Inventor 朱晓斌左斌张良
Owner 苏州昆道新材料科技有限公司
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