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A kind of composite nano anti-stick industrial coating and its industrial production method and application

A nanometer and anti-sticking technology, applied in the direction of coating, etc., can solve the problem that copper plating treatment cannot be widely used, and achieve the effect of high practical value, simple processing process, and less manpower and material resources

Active Publication Date: 2014-10-29
西安坤德新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, considering both economic and environmental protection, it is impossible for copper plating to be widely used in oil well pipes that need to be used in large quantities.

Method used

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  • A kind of composite nano anti-stick industrial coating and its industrial production method and application
  • A kind of composite nano anti-stick industrial coating and its industrial production method and application
  • A kind of composite nano anti-stick industrial coating and its industrial production method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] In this embodiment, when the industrial production of the composite nano-anti-sticking industrial coating is carried out, the pre-weighed solid micropowder and the organic solvent are uniformly mixed to obtain an organic mixture; after that, the pre-weighed metal adhesive The adhesive is added into the organic mixed liquid and stirred evenly to obtain a liquid coating, that is, the prepared composite nano anti-adhesive industrial coating.

[0056] In this example, in the produced composite nano-anti-sticking industrial coating, the nano-copper powder is prepared by the reduction method of hydrazine hydrate, and the raw material used is copper oxide, and the organic solution used for the reduction reaction is ethylene glycol alcohol. After the reduction reaction is completed, after purification and centrifugal concentration, the nano-copper powder with a mass purity of more than 99% and a particle size distribution of 50nm to 200nm is obtained. The prepared nano-copper p...

Embodiment 2

[0070]In this example, the difference between the produced composite nano anti-sticking industrial coating and Example 1 is that: in the organic mixed liquid formed after the uniform mixing of the nano-copper powder and the organic solvent (specifically ethylene glycol), the The content of nano-copper micropowder is 20wt%, and all the other components and proportioning are the same as in Example 1.

[0071] In this embodiment, the produced composite nano anti-sticking industrial coating is sample 2.

[0072] In this example, the industrial production method and application method of the composite nano anti-sticking industrial coating adopted are the same as those in Example 1.

Embodiment 3

[0074] In this example, the difference between the produced composite nano anti-sticking industrial coating and Example 1 is that the solid micropowder is a mixed powder composed of nano copper micropowder and nano polytetrafluoroethylene micropowder, and the nanometer polytetrafluoroethylene micropowder in the mixed powder The weight ratio of copper micropowder and nano polytetrafluoroethylene micropowder is 3: 1, and in the organic mixed liquid that forms after described solid micropowder and organic solvent are uniformly mixed, the content of described nanometer copper micropowder is 15wt%, described nanopolytetrafluoroethylene The content of tetrafluoroethylene micropowder is 5%.

[0075] In this embodiment, in the produced composite nano-anti-sticking industrial coating, the nano-polytetrafluoroethylene micropowder used is a commercially available product, and the mass purity of the nano-polytetrafluoroethylene micropowder is above 99%, free of corrosion sexual substance....

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Abstract

The invention discloses a composite nano anti-gluing industrial coating and an industrial production method and application thereof. The coating is formed by uniformly mixing solid-state micro-powder, an organic solvent and a metal adhesive which can be dissolved in the organic solvent, wherein the solid-state micro-powder content is 15-45 weight percent in the organic mixed solution formed by mixing the solid-state micro-powder and the organic solvent; the metal adhesive content is 10-30 weight percent in a liquid coating formed by mixing the metal adhesive and the organic mixed solution; and the solid-state micro-powder is nano copper micro-powder or mixed powder consisting of the nano copper micro-powder and nano polytetrafluoroethylene micro-powder. The industrial production method of the coating comprises the following steps of: 1, preparing the organic mixed solution; and 2, preparing the liquid coating. The application of the coating comprises the following steps of: I, brushing or spraying coating; and II, drying the coating. The composite nano anti-gluing industrial coating is simple in production process steps, short in production flow, low in investment cost, easy and convenient to operate and convenient to implement and is uniformly coated and dried, and the fastening torque in threaded connection can be greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of surface modification of the oil pipe thread surface, and in particular relates to a composite nanometer anti-sticking industrial coating and its industrial production method and application. Background technique [0002] Tubing is the second largest category of oil tubing after casing. The annual consumption of oil fields is generally between hundreds of thousands of meters and millions of meters. According to the survey of oil pipeline literature, the total consumption of oil tubing in various oil fields in my country is about 23 10,000 tons to 250,000 tons, accounting for about 1 / 4 of the country's total demand for oil well pipes. During the use of oil pipes, the sticking problem is more prominent. Especially in recent years, with the acceleration of the localization process of oil special pipes, the failure accidents of oil pipes have occurred from time to time, which greatly shortens the service life o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D127/18C09D183/04C09D183/07C09D7/12
Inventor 孟昭杨云
Owner 西安坤德新型材料有限公司