Graphene stock solution and preparation method thereof

Abstract

The invention discloses a graphene stock solution and a preparation method thereof, and relates to the technical field of chemical material preparation. A phase A comprises, by mass, 79.66% of pure water, 0.2% of carbomer 941, 0.06% of HHR250, 0.02% of EDTA-2NA, 0.1% of allantoin, 6% of 1,3 butanediol, 0.5% of glycerol glucoside, 0.5% of PPG-17 / 6 copolymer, 0.05% of HA and 0.5% of p-hydroxyacetophenone; a phase B comprises, by mass, 0.16% of TEA and 0.1% of dipotassium glycyrrhizinate; a phase C comprises, by mass, 0.5% of pentanediol, 1% of 1, 2 hexanediol and 1.5% of sugar isomer; a phase Dcomprises, by mass, 0.05% of benzophenone-4, 3% of pure water, 0.1% of ceramide and 1% of pure water; a phase E comprises, by mass, 5% of jasmine extract. The preparation method of the graphene stocksolution is simple, low in cost, high in prepared graphene stock solution yield and suitable for popularization.

Description

technical field [0001] The invention relates to a graphene stock solution and a preparation method, in particular to the technical field of chemical raw material preparation. Background technique [0002] Graphene is a single atomic layer two-dimensional material composed of sp2 hybridized carbon atoms. This almost completely transparent, light and flexible material is not only the thinnest and hardest nanomaterial known so far, but also has many excellent properties. For example, the thermal conductivity of graphene is about 5300W / m K, which is higher than that of natural stone. Materials such as ink, carbon nanotubes and diamond; the electron mobility of graphene at room temperature is greater than 15000cm2 / V s, which is higher than that of carbon nanotubes and silicon crystals; the conductivity of graphene is as high as 10-6S / m, which is higher than that of copper or silver Lower, is currently the highest conductivity material, and so on. These properties of graphene ma...

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Problems solved by technology

Among these methods, the preparation efficiency of micromechanical exfoliation method and crystal epitaxial growth method is relatively low, and it is difficult to meet the needs of large-scale production at present; although chemical vapor deposition method can obtain large-size continuous graphene film, it is suitable for electronic devices and transparent However, it cannot meet the large-scale demand in the field of energy storage materials and functional composite materials; the cost of preparing graphene powder by oxidation-reduction method is low and easy to realize, but the prepared graphene usually contains many defects, and A large amount of waste water or waste gas will be produced during the preparation process, which will cause serious pollution to the environment; the microwave method and electrochemical method have the advantages of short reaction cycle, high efficiency, green and pollution-free, and the prepared graphene has a relatively complete morphology and fewer defects. , however, the output of graphene thus prepared is small, and large-scale industrial production cannot yet be realized.