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Graphite chemical substance intercalation reaction vessel and technological method thereof

A technology of chemical substances and intercalation reactions, applied in the field of material science, can solve problems such as reducing production costs, achieve the effects of ensuring electrical conductivity, avoiding the use of strong acids and strong oxidants, and reducing pollution

Inactive Publication Date: 2016-04-27
江苏碳谷二维世界科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The object of the present invention is to overcome above-mentioned deficiency, provide a kind of graphite chemical substance intercalation reactor and process method thereof, it has avoided the use of the vitriol oil and oxidizing agent, production process can not produce harmful gas such as SOx, NOx or heavy metal ion pollution, There is no sulfur residue in the product, good oxidation resistance, and the final graphene is not easy to produce defects, which effectively guarantees the quality of the final product, and is also not easy to corrode the equipment, prolonging the service life of the equipment and reducing production costs

Method used

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  • Graphite chemical substance intercalation reaction vessel and technological method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Inject 50kg of graphite flakes and 350kg of deionized water into the reactor, and at the same time add 7.5kg of sodium dodecylbenzenesulfonate into the reactor, start the stirring shaft to mix the materials evenly; after stirring evenly, add sodium carbonate into the reactor and hydrochloric acid, keep the temperature in the reactor at 60°C, keep the pressure at 2atm, keep the rotation speed of the stirring shaft at 1000rpm / min, use an ultrasonic rod with a frequency of 50w to sonicate, and the reaction time is 3h. Discharged into the storage tank, let stand for 24h to get the first product.

Embodiment 2

[0044] Inject 30kg of graphite flakes and 250kg of benzimidazole into the reactor, add 5kg of ethylene glycol to the reactor at the same time, start the stirring shaft to mix the materials evenly; Keep the temperature at 70°C, keep the pressure at 2atm, keep the rotation speed of the stirring shaft at 1500rpm / min, use an ultrasonic rod with a frequency of 60w to sonicate, and the reaction time is 3h. Set for 24h to get the first product.

Embodiment 3

[0046] Inject 20kg of graphite flakes and 300kg of N-methylpyrrolidone into the reactor, add 5kg of polyvinyl alcohol into the reactor at the same time, start the stirring shaft to mix the materials evenly; after stirring evenly, add 2,4-dinitro For imidazole, keep the temperature in the reactor at 60°C, keep the pressure at 2atm, keep the rotation speed of the stirring shaft at 1200rpm / min, use an ultrasonic rod with a frequency of 50w to sonicate, and the reaction time is 3h. After the reaction is stopped, the upper suspension is discharged through the outlet. In the storage tank, let it stand for 24 hours to obtain the first product.

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Abstract

The invention relates to a graphite chemical substance intercalation reaction vessel and a technological method thereof. The reaction vessel comprises a reaction vessel body (1), a mixer shaft (5) is arranged on the central part of the reaction vessel body (1) along the vertical direction, two spiral stirring vanes (6) are arranged on the mixer shaft (5), the two spiral stirring vanes (6) symmetrically wind around the mixer shaft (5) in a spiral mode, spiral directions of the two spiral stirring vanes (6) are opposite, a support (7) is arranged between the two spiral stirring vanes (6), multi-strip elastic racks (9) are uniformly arranged on an inner wall of the reaction vessel body (1), and a supersonic generator (13) is arranged at the bottom of the reaction vessel body (1). The invention provides the graphite chemical substance intercalation reaction vessel and the technological method thereof, pollution by harmful gas such as SOx and NOx or heavy metal ions cannot be generated during a production process, sulfur residue does not exist in the product, oxidation resistance is good, defect of graphene is not generated easily, and final product quality can be effectively guaranteed.

Description

technical field [0001] The invention relates to a preparation method of graphene, in particular to a graphite chemical substance intercalation reaction kettle in the graphene production process and a process method thereof, belonging to the technical field of material science. Background technique [0002] Graphene is a single-atom-thick layer of carbon atoms, a two-dimensional carbon atomic crystal that has only been discovered in recent years. ), because of its special mechanical, quantum and electrical properties, it has attracted much attention in the field of physics and materials science. The two-dimensional crystal structure of the free state has long been considered to be thermodynamically unstable and cannot exist independently in ordinary environments. In 2004, Geim et al. of the University of Manchester peeled off a small amount of graphene monoliths from graphite and studied its electrical properties. They found that it has special electronic properties and has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/18C01B31/04
Inventor 戴加龙
Owner 江苏碳谷二维世界科技有限公司
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