Antistatic and anti-corrosive paint and preparation method thereof

An anti-corrosion coating and anti-static technology, which is applied in the direction of anti-corrosion coatings, conductive coatings, epoxy resin coatings, etc., can solve the problems of general anti-corrosion performance of anti-static coatings and unsatisfactory anti-static performance of anti-corrosion coatings, and achieve excellent barrier performance. Static charge buildup, anti-corrosion performance improvement effect

Inactive Publication Date: 2018-08-24
俞小峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an antistatic anticorrosive coating and its preparation method in view of the general antistatic performance of the antistatic coatings used in the market, but the antistatic performance of the antistatic coatings cannot be satisfied.

Method used

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  • Antistatic and anti-corrosive paint and preparation method thereof

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example 1

[0023] Take 3g of magnesium nitrate, 2.4g of aluminum nitrate, add 80mL of deionized water, stir at 300r / min for 20min, then add 1.2g of sodium carbonate, 0.01g of hydroxymethyl cellulose, 0.4g of monoalkyl ether phosphate sodium salt, 12g The mass fraction is 2% polyvinyl alcohol solution, 12g mass fraction is 10% sodium hydroxide solution, continue to stir at 40°C for 15min, heat to 80°C and keep it for 8h, then add 3g gelatin, 1g silane coupling agent, 300g The mass fraction is 1% chitosan solution, stirred at 300r / min for 3h to obtain a mixed solution, put the mixed solution into a centrifuge and centrifuge to obtain a precipitate, wash the precipitate twice with absolute ethanol, then place the washed precipitate in In a drying oven, dry at 105°C for 3 hours, then transfer to a pulverizer to pulverize, pass through a 320-mesh sieve to obtain a modified filler, take 4g ethylene glycol butyl ether, 20g water-based epoxy resin, 0.5g polysiloxane, 0.5g of leveling agent, 0.05...

example 2

[0025] Take 5g of magnesium nitrate, 3.6g of aluminum nitrate, add 90mL of deionized water, stir at 350r / min for 25min, then add 1.8g of sodium carbonate, 0.01g of hydroxymethyl cellulose, 0.5g of monoalkyl ether phosphate sodium salt, 18g The mass fraction is 2% polyvinyl alcohol solution, 18g mass fraction is 10% sodium hydroxide solution, continue to stir at 45°C for 18min, heat to 85°C and keep it for 9h, then add 4g gelatin, 1g silane coupling agent, 400g The mass fraction is 1% chitosan solution, stirred at 350r / min for 4h to obtain a mixed solution, the mixed solution is put into a centrifuge and centrifuged to obtain a precipitate, the precipitate is washed twice with absolute ethanol, and then the washed precipitate is placed In a drying oven, dry at 108°C for 3 hours, transfer to a pulverizer, and pass through a 320-mesh sieve to obtain a modified filler. Take 6g of ethylene glycol butyl ether, 22g of water-based epoxy resin, and 0.6g of polysiloxane. 0.6g of levelin...

example 3

[0027] Take 6g of magnesium nitrate and 4.8g of aluminum nitrate, add them into 100mL of deionized water, stir at 400r / min for 30min, then add 2.4g of sodium carbonate, 0.02g of hydroxymethyl cellulose, 0.6g of monoalkyl ether phosphate sodium salt, 24g The mass fraction is 2% polyvinyl alcohol solution, 24g mass fraction is 10% sodium hydroxide solution, continue to stir at 50°C for 20min, heat to 90°C and keep it for 10h, then add 5g gelatin, 2g silane coupling agent, 500g The mass fraction is 1% chitosan solution, stirred at 400r / min for 5h to obtain a mixed solution, the mixed solution is put into a centrifuge and centrifuged to obtain a precipitate, washed with absolute ethanol for 3 times, and then the washed precipitate is placed In a drying oven, dry at 110°C for 4 hours, transfer to a pulverizer, and pass through a 320-mesh sieve to obtain a modified filler. Take 8g of ethylene glycol butyl ether, 25g of water-based epoxy resin, and 0.8g of polysiloxane. Put 0.8g of l...

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Abstract

The invention relates to antistatic and anti-corrosive paint and a preparation method of the paint, and belongs to the technical field of paint. A lamellar structure is prepared; hydrotalcite with specific surface area, lamellar exchange density and chemical inertness absorbs monoalkyl ether phosphate into interlayers; gelatin and chitosan are cross-linked for enclosing to achieve the purpose of slow release; monoalkyl ether phosphate and inorganic filling are combined for use to combine an antistatic effect and an anti-corrosive effect; a function of a coating is effectively improved; when phosphate molecules are contacted with the surface of a material, hydrophobic chains in the molecules are absorbed on the surface of the material to form a continuous absorption layer; a hydrophilic group of phosphate faces towards air; since the molecules of phosphate contains -OH, phosphate can form a hydrogen bond with water molecules; an absorbed water layer can form a conductive film; the surface conductivity of the material is improved, so that static charge accumulation on the surface of the material is reduced; a seepage path of oxygen molecules to reaching the surface of a matrix is prolonged; the paint has an excellent barrier property; and an anti-corrosive property is improved.

Description

technical field [0001] The invention relates to an antistatic anticorrosion coating and a preparation method thereof, belonging to the technical field of coatings. Background technique [0002] With the development of modern industry and the continuous improvement of people's requirements for electrical performance, especially in the fields of oil tank inner wall, electronic industry, aerospace and other fields, static electricity and corrosion have brought huge economic losses to the country and threatened the safety of people's lives and property , which has aroused people's great attention, and the development of multifunctional composite coatings with antistatic and anticorrosive properties provides a new way to solve the above problems. Coating antistatic anticorrosive coatings on the surface of materials can effectively eliminate static electricity and resist Electromagnetic interference, protection of materials from corrosion, etc., but because my country started late i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/24C09D5/08
Inventor 俞小峰王文新朱华
Owner 俞小峰
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