Preparation method of nanocomposite-modified flame-retardant and corrosion-resisting coating

A nano-composite, corrosion-resistant technology, used in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve the problems of accelerated electrolyte penetration, weak flame retardant and heat resistance, and unfavorable anti-corrosion, so as to optimize the carbonization performance, improve the The effect of anti-aging and improving power saving performance

Inactive Publication Date: 2016-11-16
项敬来
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the thickness of the coating also has a great influence on the anti-corrosion performance. Generally speaking, if the coating is thin, cracks will form in the zinc oxide, and the penetration of the electrolyte will be accelerated near the zinc oxide, so it is not conducive to anti-corrosion
At the same time, the current coatings still have the disadvantage of poor flame retardancy and heat resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1) Dissolve 10g of kaolin in 80mL of deionized water, high-speed mechanical stirring for 1 hour, and ultrasonic dispersion for 1 hour to form a uniformly mixed suspension, so that the kaolin can fully absorb water and swell.

[0026] 2) Preparation of BaTiO 3 With ZIF-90:

[0027] (a) Preparation of nano-titanate template: 0.1mol / l tetraisobutyl titanate was dissolved in 10ml ethylene glycol monomethyl ether, ultrasonically dispersed, stirred evenly, and 25% ammonia water was added to obtain titanium hydroxide precipitation, Deionized wash. Then add 1mol / l KOH aqueous solution, stir for 10-20 minutes, mix well, transfer to a hydrothermal crystallization kettle, and react at 140-200°C for 1-4h. After the reaction is finished, wash and dry to obtain a nano-titanate template;

[0028] Add 15ml of barium nitrate solution with a concentration of 0.2mol / l and 10ml of an aqueous solution of tetramethylammonium hydroxide with a concentration of 0.1mol / l to 2g of nano-titanat...

Embodiment 2

[0033] 1) Silicate is adjusted to vermiculite in embodiment 1, all the other are with embodiment 1.

[0034] 2) the BaTiO in embodiment 1 3 Adjusted to SrTiO 3 , all the other are with embodiment 1.

[0035] 3) with embodiment 1.

[0036] 4) The zinc powder in Example 1 is adjusted to aluminum phosphate solution.

Embodiment 3

[0038] 1) Silicate is adjusted to mica in embodiment 1, all the other are with embodiment 1.

[0039]2) the BaTiO in embodiment 1 3 Adjusted to CaTiO 3 , all the other are with embodiment 1.

[0040] 3) Adjust cetyltrimethylammonium bromide to diallyldimethylammonium chloride in Example 1, and the rest are the same as Example 1.

[0041] 4) The zinc powder in Example 1 is adjusted to aluminum phosphate solution.

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Abstract

The invention relates to a preparation method of a nanocomposite-modified flame-retardant and corrosion-resisting coating. Nano perovskite oxide and metal-organic framework ZIF materials are jointly added to phyllosilicate, the heat resistance and the corrosion resistance of the coating are remarkably improved, the ageing time of the coating is shortened, and the coating can be non-degradable at the high temperature for a long time and further can keep a better flame retardant effect.

Description

technical field [0001] The invention relates to a preparation method of a flame-retardant and corrosion-resistant paint modified by a nanocomposite material, belonging to the field of building materials. Background technique [0002] Anti-corrosion coatings are primers that provide cathodic protection and are typically applied to industrial equipment. It can protect the steel substrate and reduce the risk of corrosion. With its excellent weather resistance, solvent resistance, especially excellent corrosion resistance and self-repairing function, the coating has been widely used in heavy-duty anti-corrosion fields such as railway bridges, port terminals, and ship containers. large-scale application. [0003] Current research generally uses inorganic non-metallic corrosion inhibitors or additives to replace part of the zinc particles to improve the corrosion resistance of the coating, or to change the morphology of the zinc particles to study its impact on the corrosion of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18C09D5/08
CPCC09D1/00C09D5/08C09D5/18
Inventor 项敬来
Owner 项敬来
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