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Preparation method of superoleophobic aluminum surface and micro-droplet reactor

A super-oleophobic, aluminum surface technology, applied in the direction of chemical/physical/physical chemical reactors, chemical instruments and methods, chemical/physical/physical chemical processes, etc., can solve the effect of little attention on surface morphology, performance and life And other issues

Inactive Publication Date: 2017-12-29
张家港市华舰五金工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As a kind of conductive and lightweight materials, aluminum and aluminum alloys are widely used in communication, transportation, construction, aerospace, ships and other fields, but people have paid little attention to the influence of their surface morphology on their performance and lifespan.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Preparation method of super oleophobic aluminum surface

[0018] The aluminum substrate was cleaned with detergent, then ultrasonically cleaned with acetone and absolute ethanol for 15 minutes, and then rinsed with deionized water to remove surface oil.

[0019] The aluminum substrate is immersed in the hydrochloric acid solution for 10 minutes to form a micro-rough structure on the surface of the aluminum substrate, and then the aluminum substrate is treated in boiling water for 25 minutes to form a nano-rough structure on the surface of the aluminum substrate.

[0020] The treated aluminum substrate with nano-rough structure was soaked in CH 3 (CH 2 ) 6 COOH and CF 3 (CF 2 ) 6 COOH two kinds of carboxylic acid acetonitrile solution soaked for 24 hours, modified carboxylic acid molecules on the surface of the aluminum substrate.

[0021] CF 3 (CF 2 ) 6 COOH and CH 3 (CH 2 ) 6 The molar ratio of COOH is greater than 0.8.

[0022] Measurement of the contact ...

Embodiment 2

[0025] Preparation method of super oleophobic aluminum surface

[0026] The aluminum substrate was cleaned with detergent, then ultrasonically cleaned with acetone and absolute ethanol for 15 minutes, and then rinsed with deionized water to remove surface oil.

[0027] The aluminum substrate is immersed in the hydrochloric acid solution for 15 minutes to form a micro-rough structure on the surface of the aluminum substrate, and then the aluminum substrate is treated in boiling water for 25 minutes to form a nano-rough structure on the surface of the aluminum substrate.

[0028] The treated aluminum substrate with nano-rough structure was soaked in CH 3 (CH 2 ) 6 COOH and CF 3 (CF 2 ) 6 COOH two carboxylic acids in acetonitrile solution soaked for 30 hours, modified carboxylic acid molecules on the surface of the aluminum substrate.

[0029] CF 3 (CF 2 ) 6 COOH and CH 3 (CH 2 ) 6 The molar ratio of COOH is greater than 0.8.

[0030] Measurement of the contact angle...

Embodiment 3

[0032] Preparation method of super oleophobic aluminum surface

[0033] The aluminum substrate was cleaned with detergent, then ultrasonically cleaned with acetone and absolute ethanol for 15 minutes, and then rinsed with deionized water to remove surface oil.

[0034] The aluminum substrate is immersed in the hydrochloric acid solution for 12 minutes to form a micro-rough structure on the surface of the aluminum substrate, and then the aluminum substrate is treated in boiling water for 22 minutes to form a nano-rough structure on the surface of the aluminum substrate.

[0035] The treated aluminum substrate with nano-rough structure was soaked in CH 3 (CH 2 ) 6 COOH and CF 3 (CF 2 ) 6 COOH two carboxylic acids in acetonitrile solution soaked for 28 hours, modified carboxylic acid molecules on the surface of the aluminum substrate.

[0036] CF 3 (CF 2 ) 6 COOH and CH 3 (CH 2 ) 6 The molar ratio of COOH is greater than 0.8.

[0037] Measurement of the contact angle...

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PUM

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Abstract

The application discloses a method for preparing a super-oleophobic aluminum surface and a micro-droplet reactor. The method includes steps: (1), cleaning the aluminum substrate with a cleaning agent, and then ultrasonically cleaning it with acetone and absolute ethanol for 10 to 15 minutes. Minutes, then rinse with deionized water to remove surface oil; (2), form a nano-rough structure on the surface of the aluminum substrate; (3), modify CH3 (CH2) 6COOH and CF3 (CF2) on the surface of the aluminum substrate with a nano-rough structure 6COOH is two carboxylic acids. The method of the invention prepares a super-oleophobic surface with controllable adhesion on the surface of an aluminum substrate, and can be applied to a micro-droplet reactor.

Description

technical field [0001] The application relates to a method for preparing a super-oleophobic aluminum surface and a micro-droplet reactor. Background technique [0002] As a kind of conductive and lightweight materials, aluminum and aluminum alloys are widely used in communication, transportation, construction, aerospace, ships and other fields, but people have paid little attention to the influence of their surface morphology on their performance and life. The related research on superhydrophobic surface developed since 1997 found that the surface morphology of materials has important influence and potential application value on its wettability, corrosion resistance, anti-biological pollution, anti-icing and other aspects. In real life, the icing of aircraft, icing of power transmission lines, biofouling of ship hulls, and electrochemical corrosion are all closely related to the surface morphology of surface materials, and pose serious challenges to people's daily life and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F1/20B01J19/00
CPCC23F1/20B01J19/0093
Inventor 范思远
Owner 张家港市华舰五金工具有限公司
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