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A continuous production device and method for aminated graphene

A technology of aminated graphene and production methods, which is applied in chemical instruments and methods, carbon compounds, inorganic chemistry, etc., can solve the problems of industrialized large-scale production and stagnation, and achieve the improvement of equipment efficiency, reaction efficiency, The effect of narrow size distribution

Active Publication Date: 2019-04-09
CHANGZHOU HIGHBERY NEW NANO MATERIALS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, the preparation of aminated graphene is still in the laboratory stage, and industrialized large-scale production has not yet been realized. The problem to be solved is how to continuously and stably produce high-quality aminated graphene in the industry

Method used

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  • A continuous production device and method for aminated graphene

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Embodiment 1

[0032] A kind of continuous production device of aminated graphene of the present embodiment, such as figure 1 As shown, it includes an acid treatment device 1, an oxidation device 2, a first washing and suction filtration device 3, a second washing and suction filtration device 4, a dispersion processing device 5, a first homogenization processing device 6, and a first micro reaction device connected in sequence. 7. The first tubular reaction device 8, the second tubular reaction device 9, the first suction filtration redispersion device 10, the second micro reaction device 11, the third tubular reaction device 12, the fourth tubular reaction device 13, The second suction filtration redispersion device 14, the third suction filtration redispersion device 15, the first reaction product storage tank 16, the second homogenization treatment device 17, the third homogenization treatment device 18 and the second reaction product storage tank 19. A first raw material high-level addi...

Embodiment 2

[0060] The present embodiment adopts exactly the same device as embodiment 1 to carry out the continuous production of aminated graphene, comprising the following steps:

[0061] Step 1, add 10kg of graphite powder into 10kg of dilute hydrochloric acid (mass fraction 15%), soak it at 20°C, transport it to the oxidation device 2 by a pump at a speed of 100kg / h after 0.5h, and add it through an online adding system 100kg of main oxidant and 10kg of auxiliary oxidant, the addition rate of main oxidant potassium perchlorate is 5kg / h, the addition rate of auxiliary oxidant peroxyester is 2kg / h, the temperature is controlled at 80°C, and after 10 hours of reaction, it is pumped to the first washing pump The filter device 3 is repeatedly washed with deionized water and suction filtered three times, and then N,N-dimethylformamide is added for dispersion, and the material is transported into the second washing and suction filter device 4 through a pump, and N,N- After washing with meth...

Embodiment 3

[0072] The present embodiment adopts exactly the same device as embodiment 1 to carry out the continuous production of aminated graphene, comprising the following steps:

[0073] Step 1, add 10kg of graphite powder to 20kg of oxalic acid, soak at 10°C, and after 2h, transport it to oxidation device 2 at a speed of 100kg / h through a pump, and add 10kg of main oxidant and 1kg of auxiliary oxidant through an online adding system, The addition speed of main oxidant potassium dichromate is 5kg / h, the addition speed of auxiliary oxidant peroxycarbonate is 2kg / h, the control temperature is at 60 ℃, after reacting for 8h, it is transported to the first washing and suction filtration device 3 by pump, and the Repeated washing with deionized water and suction filtration three times, then adding N,N-dimethylformamide for dispersion, transporting the material into the second washing and suction filtration device 4 through a pump, and washing with N,N-dimethylformamide 1. After three times...

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Abstract

The invention discloses a continuous production device for aminated graphene and a method and belongs to the technical field of graphene preparation. The continuous production device comprises an acidtreatment device, an oxidation device, a first washing suction filtration device, a second washing suction filtration device, a dispersion treatment device, a first homogenization treatment device, afirst micro-reaction device, a first tubular reaction device, a second tubular reaction device, a first suction filtration and dispersion device, a second micro-reaction device, a third tubular reaction device, a fourth tubular reaction device, a second suction filtration and dispersion device, a third suction filtration and dispersion device, a first reaction product storage tank, a second homogenization treatment device, a third homogenization treatment device and a second reaction product storage tank; a static mixer is arranged inside a material conveying tube. Modified aminated grapheneproduced by using the device is small in piece size, narrow in piece diameter distribution, high in single layer rate, free of pollution in a production process, and a raw material base is provided for on-scale application of the aminated graphene.

Description

technical field [0001] The invention belongs to the technical field of graphene preparation, and more specifically relates to a continuous production device and method for aminated graphene. Background technique [0002] Graphene is a carbon atom with sp 2 The hybridized orbital forms a hexagonal planar film with a honeycomb lattice, the thickness of which is the thickness of a carbon atomic layer (0.35nm), and has excellent mechanical properties, electrical properties and thermal properties. At present, graphene is widely used in the composite modification of materials. Using the excellent properties of graphene to modify the matrix material can significantly improve the performance of the matrix material. Therefore, graphene nanocomposites have become a hot research topic in the material industry today. [0003] In order to ensure the interface bonding between graphene and matrix materials, it is necessary to modify the surface of graphene with small molecules to achieve ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/194
CPCC01B32/194
Inventor 梁燕曹建鹏蒋炎黄荣庆
Owner CHANGZHOU HIGHBERY NEW NANO MATERIALS TECH CO LTD
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