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Preparation method of acid and alkali resistant nano-antirust paint

An anti-rust coating, acid and alkali resistance technology, applied in anti-corrosion coatings, coatings and other directions, can solve the problems of normal production, non-environmental protection, toxic solvents, etc., to prevent corrosion and rust, excellent anti-rust performance, The effect of increasing the degree of fusion

Inactive Publication Date: 2019-07-05
何娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some special fields, the acid and alkali properties and heat resistance of coatings have a great influence on the stability of coatings. For example, in some acid and alkali production workshops, the acid and alkali resistance of coatings has a high Standards, if the relevant standards are not met, it will affect the normal production. In addition, in the high temperature environment, there are also very high requirements for the high temperature resistance of the coating. Only with the performance of heat resistance and acid and alkali resistance can it be applied In special fields, most of the anti-corrosion coatings in the past were solvent-based, which not only caused a lot of waste of solvents, but also used toxic and volatile solvents, polluted the environment, and did not meet environmental protection requirements, while water-based coatings have clean process, advanced technology, low emission, low energy consumption, safety and harmlessness, therefore, the study of a new type of anti-corrosion coating has great social and economic benefits

Method used

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  • Preparation method of acid and alkali resistant nano-antirust paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A preparation method of acid and alkali resistant nano antirust coating, the method comprises the following steps:

[0016] Step 1. Disperse 0.5mol polyaniline monomer in 100ml sulfosalicylic acid solution with a concentration of 0.5M and sonicate for 30min, then add oxidized vermiculite powder (the molar ratio of oxidized vermiculite powder to polyaniline monomer is 3:1) , stirred, ultrasonic 30min;

[0017] Step 2. Slowly add ammonium persulfate to the above solution (the molar ratio of polyaniline monomer to ammonium persulfate is 1:1), stir and then filter with suction, wash the filtered product with water and alcohol for several times until the cleaning solution is neutral , and then vacuum-dry the filtered product at 65°C to obtain the precursor powder;

[0018] Step 3, add 5g nano-TiO to the above-mentioned precursor powder 2 Pigment, and continue to add 3g of epoxy resin, 1.5g of polyamide curing agent and 4ml of deionized water, stir well, and obtain the acid...

Embodiment 2

[0025] Step 1. Disperse 0.5mol of polyaniline monomer in 100ml of sulfosalicylic acid solution with a concentration of 0.5M and sonicate for 30 minutes, then add oxidized vermiculite powder (the molar ratio of oxidized vermiculite powder to polyaniline monomer is 2:1) , stirred, and ultrasonicated for 30 min; the rest of the preparation was the same as in Example 1.

Embodiment 3

[0027] Step 1. Disperse 0.5mol of polyaniline monomer in 100ml of sulfosalicylic acid solution with a concentration of 0.5M and sonicate for 30 minutes, then add oxidized vermiculite powder (the molar ratio of oxidized vermiculite powder to polyaniline monomer is 1:1) , stirred, and ultrasonicated for 30 min; the rest of the preparation was the same as in Example 1.

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PUM

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Abstract

The invention discloses a preparation method of acid and alkali resistant nano-antirust paint. Oxidized vermiculite powder, a polyaniline monomer, ammonium persulfate, nano-TiO2, vermiculite powder, sodium nitrate, concentrated sulfuric acid, potassium permanganate and hydrogen peroxide are adopted as the main raw materials, nano-vermiculite powder is subjected to oxidation modification, then oxidized vermiculite powder and the polyaniline monomer are used for compounding, and ammonium persulfate and epoxy resin are added, the content of organic matters in the paint is reduced, an acid and alkali resistant anticorrosive paint interpenetrating network antiseptic solution system is constructed, the paint adhesion and pigment fusion degree is enhanced, and the overall motility and consistencyof the coating are improved, thereby improving the corrosion resistance and weather resistance of the coating. According to the invention, nano-vermiculite powder is subjected to oxidation modification, then oxidized vermiculite powder and the polyaniline monomer are compounded, and ammonium persulfate and epoxy resin are added, thus reducing the content of organic matters in the paint, constructing the acid and alkali resistant anticorrosive paint interpenetrating network antiseptic solution system, and making the antirust paint have excellent acid-alkali resistance and corrosion resistance.

Description

technical field [0001] The present invention relates to a method for preparing an acid and alkali resistant nano antirust coating, which belongs to the field of coatings. Background technique [0002] Coatings have a wide range of uses and can be widely used on exterior walls of buildings, floors, surfaces of appliances, etc. In some special fields, the acid and alkali properties and heat resistance of coatings have a great influence on the stability of coatings. For example, in some acid and alkali production workshops, the acid and alkali resistance of coatings has a high Standards, if the relevant standards are not met, it will affect the normal production. In addition, in the high temperature environment, there are also very high requirements for the high temperature resistance of the coating. Only with the performance of heat resistance and acid and alkali resistance can it be applied In special fields, most of the anti-corrosion coatings in the past were solvent-based...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/02C09D5/08C08G73/02
CPCC08G73/0266C08K2003/2241C08K2201/011C08L2205/04C09D5/08C09D179/02C08L63/00C08K9/02C08K3/346C08K3/22
Inventor 曹羽刘坤
Owner 何娜
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