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Electrostatically conductive oil-tolerant paint containing rich zinc and silicic acid

A static conductive, zinc-rich technology, applied in the direction of conductive coatings, etc., can solve the problems of complex construction, static conductive performance, corrosion resistance, unstable film forming time, high production cost, etc., and achieve strong coating film and excellent leveling properties, stable film-forming time

Inactive Publication Date: 2004-09-29
黄观明 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing anti-static and anti-corrosion coatings not only have high production costs, but also have unstable anti-static properties, anti-corrosion properties and film-forming time, and complex construction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The production of embodiment 1 zinc-rich silicic acid oil resistant and static conductive coating

[0021] (1) Tetraethyl orthosilicate 100Kg, dehydrated alcohol 2.1Kg mix, stir, carry out alcoholysis reaction;

[0022] (2) Dilute 1Kg of hydrochloric acid with 2.5Kg of pure water, add dropwise so that the pH value is 2-3, let it stand at room temperature, add 1.5Kg of organosilicon amine, stir and mix evenly;

[0023] (3) Add 18.5Kg of zinc powder, stir and mix evenly.

[0024] The technical indicators of the obtained coatings are shown in Table 1.

[0025] serial number

[0026] Note: *Dry film thickness is 70um~120um, all impregnation is performed after 7 days of coating curing.

Embodiment 2

[0027] The coating resistivity measurement of the present invention that embodiment 2 embodiment 1 produces

[0028] The test method is GB16906 Determination of Electrical Resistivity of Static Conductive Coatings for Petroleum Tanks. The testing instrument is American ACL385 Oil Resistive Coating Resistivity Tester. The test conditions are temperature 31°C and humidity 66%. The test results are shown in Table 2.

[0029] Paint test piece number

[0030] The results show that the zinc-rich silicic acid oil-resistant and static-conductive paint of the present invention has a surface resistivity lower than 10 9 Ω, volume resistivity lower than 10 8 Ω.M, in line with GB13348 Liquid Petroleum Electrostatic Safety Regulations.

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Abstract

An antistatic paint is prepared through mixing ethyl n-silicate with absolute alcohol, stirring, alcoholysis reaction, dropping hydrochloric acid diluted by purified water to make pH=2-3, laying aside, adding organic silanamine, stirring, adding zinc powder and stirring. Its advantages are high electrostatic conductivity and corrosion resistance, low cost, fast dry, and high firmness of film.

Description

(1) Technical field [0001] The invention relates to a coating, in particular to an oil-resistant and static-conductive coating. (2) Background technology [0002] The existing anti-static and anti-corrosion paint not only has high production cost, but also has unstable anti-static properties, anti-corrosion properties and film-forming time, and complicated construction. (3) Contents of the invention [0003] The purpose of the present invention is to provide a zinc-rich silicic acid oil-resistant and static-conductive coating with low production cost, stable static-conductive performance, stable oil-resistant performance, fast drying, firm coating film, simple construction and stable film-forming time. [0004] Zinc-rich silicic acid oil-resistant and static-conductive paint of the present invention is produced by the following method: [0005] (1) Ethyl orthosilicate and dehydrated alcohol are mixed, stirred, and alcoholysi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/24
Inventor 黄观明欧阳汉洲
Owner 黄观明
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