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Modified graphene oxide degreasing agent as well as preparation method and application thereof

A technology of oxide stone and degreasing agent, which is applied in the field of metal surface treatment to increase the solubility of solutes, enhance the degreasing effect, and reduce the surface tension.

Inactive Publication Date: 2019-01-15
GUANGDONG JMA ALUMINUM PROFILE FACTORY GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the problems described above

Method used

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  • Modified graphene oxide degreasing agent as well as preparation method and application thereof
  • Modified graphene oxide degreasing agent as well as preparation method and application thereof
  • Modified graphene oxide degreasing agent as well as preparation method and application thereof

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preparation example Construction

[0026] The preparation method of alkylbenzylamine modified graphene oxide is:

[0027] Graphene oxide (purity ≥ 98%) and alkylbenzylamine are weighed according to the molar ratio 1: (1.5-2.0), then graphene oxide is slowly packed into a round bottom flask, and then 1 / 4 round Dissolve and disperse the graphene oxide in anhydrous ethanol with the volume of the bottom flask; add alkylbenzylamine, heat the temperature of the mixture to 80-90° C., and use a solution reflux device for reaction preparation for 24 hours. After the reaction, the reaction solution is slowly poured into a separatory funnel to separate the remaining alkylbenzylamine after the reaction; then the alkylbenzylamine-modified graphene oxide mixture containing ethanol is heated and purified at a temperature of 85- 95°C. Among them, alkylbenzylamine (CH 3 -(CH 2 ) n -C 6 h 4 -NH2 ), n is 6-10.

[0028] The preparation method of this modified graphene oxide degreaser comprises the following steps:

[0029]...

Embodiment 1

[0038] 1. Composition:

[0039] Alkylbenzylamine (n=9) modified graphene oxide: 8g, absolute ethanol: 4g, fatty alcohol polyoxyethylene ether: 1g, pure water: 87g.

[0040] 2. Preparation method:

[0041] Add 87g of pure water into a clean round bottom flask; add 4g of absolute ethanol, and stir the solution for 2min with a magnetic stirring device; add 1g of fatty alcohol polyoxyethylene ether, and stir the solution for 5min with a magnetic stirring device; add 8g of alkyl Graphene oxide was modified with benzylamine (n=9), and stirred for 10 min with a magnetic stirring device.

Embodiment 2

[0043] 1. Composition:

[0044] Alkylbenzylamine (n=8) modified graphene oxide: 20g, absolute ethanol: 10g, polyethylene glycol 100: 5g, pure water: 65g.

[0045] 2. Preparation method:

[0046] Add 65g of pure water into a clean round bottom flask; add 10g of absolute ethanol, and stir the solution for 2min with a magnetic stirring device; add 5g of polyethylene glycol 100, and stir the solution for 15min with a magnetic stirring device; add 20g of alkylbenzene Graphene oxide was modified with methylamine (n=8), and stirred for 30 min with a magnetic stirring device.

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Abstract

The invention discloses a modified graphene oxide degreasing agent, which is prepared from the following ingredients in parts by weight: 5 to 25 parts of modified graphene oxide, 1 to 15 parts of organic alcohol, 0.5 to 10 parts of organic active agents and 55 to 90 parts of water. The modified graphene oxide degreasing agent can be used for fast and efficiently performing degreasing treatment onthe metal samples; meanwhile, the ingredients of the degreasing agents cannot damage the surface of the metal samples; the guarantee is provided for the subsequent processing of the metal products; the modified graphene oxide degreasing agent can be used for the surface degreasing treatment on various kinds of stainless steel products, aluminum alloy products and copper alloy products.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a modified graphene oxide degreasing agent and its preparation method and application. Background technique [0002] During deep processing of metals, some oil stains usually adhere to the surface to varying degrees. These oil stains generally include cutting fluids, anti-rust oils, animal and vegetable oils, abrasive pastes, dust, etc. The quality of the degreasing effect directly affects the subsequent processing of the metal and the quality of the product. For aluminum alloy products, degreasing is the first important key process for anodizing and surface spraying of aluminum alloy products. It will directly affect the operation of the next process, and may even pollute the subsequent production line, leading to quality problems such as oxide film defects, uneven film layers, surface pinholes, and decreased coating adhesion in aluminum alloy products. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/24
CPCC23G1/24
Inventor 邓崇浩
Owner GUANGDONG JMA ALUMINUM PROFILE FACTORY GRP
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