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Preparation method of friction-reduction anti-adhesion nano organic film based on micro device

A nano-organic and micro-device technology, applied in electrolytic organic material coating, process for producing decorative surface effects, micro-structural technology, etc., can solve problems such as adhesion

Inactive Publication Date: 2013-05-22
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art, and to provide a friction-reducing and anti-adhesion nanometer with simple process and capable of effectively reducing the friction coefficient of the substrate surface to solve the problems of micro-nano tribology and adhesion in the field of micro-devices. Preparation method of organic thin film

Method used

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  • Preparation method of friction-reduction anti-adhesion nano organic film based on micro device
  • Preparation method of friction-reduction anti-adhesion nano organic film based on micro device
  • Preparation method of friction-reduction anti-adhesion nano organic film based on micro device

Examples

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Effect test

Embodiment 1

[0040] In this example, the MB8 magnesium alloy material with a size of 50×30×2 (mm) was selected as the base material, and a nano-organic film with hydrophobic, friction-reducing and anti-adhesion properties was prepared on the surface of the MB8 magnesium alloy material by cyclic voltammetry. First use 360#, 800#, 1200#, 1500#, 2000# sandpaper to grind the MB8 magnesium alloy workpiece, and put it in acetone solution for ultrasonic cleaning for 15 minutes to remove oil stains, take it out and dry it with cold air for later use.

[0041] The preparation of nano organic film comprises the following steps and process conditions:

[0042] (1) Preparation of coating electrolyte solution

[0043]

[0044] Select the one containing the above shown containing R 1 for alkyl and R 2 The water-soluble triazazine organic compound salt of aryl functional group is 8mmol / l, the alkaline supporting electrolytic salt is 0.2mol / l potassium hydroxide, and the electrolyte solution for orga...

Embodiment 2

[0049] In this embodiment, an industrial pure aluminum material with a size of 50×30×0.3 (mm) is selected as the base material, and a nano-organic film with hydrophobic, anti-friction and anti-adhesion properties is prepared on the surface of the industrial pure aluminum material by constant current method. First use 1500#, 2000# sandpaper to polish the pure aluminum sample, and put it in acetone solution for ultrasonic cleaning for 15 minutes to remove oil stains, take out the cold air and dry it for later use;

[0050] The preparation of nano organic film comprises the following steps and process conditions:

[0051] (1) Preparation of coating electrolyte solution

[0052]

[0053] Select the one containing the above shown containing R 1 for other classes and R 2 5 mmol / l of water-soluble triazazine organic compound salt of alkenyl functional group, 0.15 mol / l of sodium borate as alkaline supporting electrolytic salt, and an electrolyte solution for organic coating is pre...

Embodiment 3

[0058] In this embodiment, the H80 copper alloy material with a size of 50×30×2 (mm) is selected as the base material, and a nano-organic film with hydrophobic, friction-reducing and anti-adhesion properties is prepared on the surface of the H80 copper alloy material by a constant potential method. First use 360#, 800#, 1200#, 1500#, 2000# sandpaper to polish the copper alloy sample, and put it in acetone solution for ultrasonic cleaning for 15 minutes to remove oil stains, take out the cold air and dry it for later use;

[0059] The preparation of nano organic film comprises the following steps and process conditions:

[0060] (1) Preparation of coating electrolyte solution

[0061]

[0062] Select the one containing the above shown containing R 1 for alkenyl and R 2 The water-soluble triazazine organic compound salt of alkyl functional group is 3mmol / l, the alkaline supporting electrolytic salt is 1mol / l sodium bicarbonate, and the electrolyte solution for organic coati...

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Abstract

The invention discloses a preparation method of a friction-reduction anti-adhesion nano organic film based on a micro device, comprising the following steps of: with aluminum, copper, magnesium and alloys thereof used in a micro / nano electromechanical system as substrate materials, matching different substrate materials selected from different water-soluble triazine organic compound salts with alkaline-support electrolysis salts; and preparing the nano organic film with hydrophobic function, friction reduction and adhesion resistance by adopting a three-electrode mode constant-current, cyclic-voltammetry and constant-potential organic film plating technology. A static contact angle of the prepared nano organic film and distilled water can reach above 110 degrees, a friction coefficient can be reduced below 0.05, the maximum adhesive force can be reduced to 103mN, the friction coefficient and the adhesive force can be effectively reduced, and the film thickness is controllable. The invention has the advantages of simple process, short period and low cost and easy industrialized production and can be widely used for the friction reduction and adhesion resistance of the micro device in the micro / nano electromechanical system and improve tribological characteristics.

Description

technical field [0001] The invention relates to the technical field of nano organic film material and its preparation, in particular to a method for preparing a friction-reducing and anti-adhesive nano organic film suitable for micro devices. Background technique [0002] With the increasing update of science and technology, industrial products are developing along the direction of system and product miniaturization, intelligence, and integration. A new technology field and industry have been created. Micro-sensors, micro-actuators, micro-components, and vacuum microelectronic devices in micro / nano-electromechanical systems have broad application prospects in many fields such as aviation, aerospace, automobiles, biomedicine, environmental monitoring, and military affairs. However, as a key tribological issue in MEMS / Nanoelectromechanical systems, such as device destruction and system failure caused by adhesion, etc., have not yet been resolved. Among the materials used in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D9/02C10M133/40B81C1/00
Inventor 康志新赖晓明刘应辉方刚邵明李元元
Owner SOUTH CHINA UNIV OF TECH
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