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Water-based anticorrosive paint

A kind of anti-corrosion coating, water-based technology, applied in the direction of anti-corrosion coating, fire-proof coating, polyester coating, etc., can solve the problems of affecting the service life of buildings, poor water resistance and water resistance, general adhesion, etc., to achieve improved aging resistance, anti-corrosion Improvement of corrosion resistance and improvement of coating film corrosion resistance

Inactive Publication Date: 2015-10-21
WUHU SHUANGBAO BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, traditional coatings are generally used for the decoration of building walls. Most of the coatings are limited to high elasticity, poor water resistance and water resistance, low tensile strength, and general adhesion. Generally, they are only used for interior decoration. Nowadays, people pay more and more attention to the living environment, so the outdoor decoration is getting more and more attention. However, because it is not water-resistant and not waterproof, the paint film will peel off as a whole after being washed by rainwater, which looks unattractive. At present, acid rain The impact is getting bigger and bigger, which makes the requirements for the paint coating on the outer layer of the building higher and higher. The waterproof and anti-seepage of the building is related to people's working and living environment, and affects the service life of the building. Therefore, if prepare a kind of excellent waterproof performance, anticorrosion performance is good, the coating of long service life becomes the technical problem that needs to be solved at present

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022]A kind of water-based anticorrosion coating proposed by the present invention, its raw material comprises by weight: 88.5 parts of phenyl glycidyl ether modified polyaniline, 70 parts of epoxy resin, 45 parts of alkyd resin, 30 parts of modified polyurethane, modified nano 12.5 parts of titanium dioxide, 8.5 parts of zinc phosphate, 12 parts of aluminum phosphate, 8.5 parts of montmorillonite, 5.5 parts of mica powder, 5.5 parts of talc powder, 9 parts of quartz powder, 13 parts of pigment, 5 parts of defoamer, 4.5 parts of dispersant, 3 parts of leveling agent, 6.5 parts of film-forming aid, 71.5 parts of water;

[0023] Among them, the modified polyurethane is prepared according to the following process: 4.4 parts of polytetrahydrofuran ether and 2.55 parts of polyethylene glycol are uniformly mixed by weight, and the temperature is raised to 110 ° C. During the heating process, water is removed in vacuum for 3.5 hours, and the temperature is lowered to 65 ° C. Release...

Embodiment 2

[0026] A kind of water-based anticorrosion coating proposed by the present invention, its raw material comprises by weight: 82 parts of phenyl glycidyl ether modified polyaniline, 80 parts of epoxy resin, 30 parts of alkyd resin, 40 parts of modified polyurethane, modified nano 10 parts of titanium dioxide, 12 parts of zinc phosphate, 6 parts of aluminum phosphate, 12 parts of montmorillonite, 3 parts of mica powder, 9 parts of talc powder, 4 parts of quartz powder, 18 parts of pigment, 2 parts of defoamer, 6 parts of dispersant, 1 part of leveling agent, 9 parts of film-forming aid, 60 parts of water;

[0027] Among them, the modified polyurethane is prepared according to the following process: 3.2 parts of polytetrahydrofuran ether and 3.5 parts of polyethylene glycol are uniformly mixed according to parts by weight, and the temperature is raised to 100°C. Vacuum, blow nitrogen to obtain material a, mix 5.6 parts of isophorone diisocyanate and 1.3 parts of butanone, drop int...

Embodiment 3

[0030] A kind of water-based anticorrosion coating proposed by the present invention, its raw material comprises by weight: 95 parts of phenyl glycidyl ether modified polyaniline, 60 parts of epoxy resin, 60 parts of alkyd resin, 20 parts of modified polyurethane, modified nano 15 parts of titanium dioxide, 5 parts of zinc phosphate, 18 parts of aluminum phosphate, 5 parts of montmorillonite, 8 parts of mica powder, 2 parts of talc powder, 14 parts of quartz powder, 8 parts of pigment, 8 parts of defoamer, 3 parts of dispersant, 5 parts of leveling agent, 4 parts of film-forming aid, 83 parts of water;

[0031] Among them, the modified polyurethane is prepared according to the following process: 5.6 parts of polytetrahydrofuran ether and 1.6 parts of polyethylene glycol are mixed uniformly by weight, and the temperature is raised to 120°C. Vacuum, blow nitrogen to obtain material a, mix 4.3 parts of isophorone diisocyanate and 2.6 parts of butanone and drop into material a, ra...

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PUM

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Abstract

The invention provides water-based anticorrosive paint. The water-based anticorrosive paint comprises, by weight, 82-95 parts of phenyl glycidyl ether modified polyaniline, 60-80 parts of epoxy resin, 30-60 parts of alkyd resin, 20-40 parts of modified polyurethane, 10-15 parts of modified nanometer titania, 5-12 parts of zinc phosphate, 6-18 parts of aluminum phosphate, 5-12 parts of imvite, 3-8 parts of mica powder, 2-9 parts of talcum powder, 4-14 parts of quartz powder, 8-18 parts of pigment, 2-8 parts of defoaming agents, 3-6 parts of dispersing agent, 1-5 parts of flatting agents, 4-9 parts of coalescing agents and 60-83 parts of water. The water-based anticorrosive paint is good in antiseptic property, excellent in waterproofness, long in service life and low in cost.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based anticorrosion coating. Background technique [0002] At present, traditional coatings are generally used for the decoration of building walls. Most of the coatings are limited to high elasticity, poor water resistance and water resistance, low tensile strength, and general adhesion. Generally, they are only used for interior decoration. Nowadays, people pay more and more attention to the living environment, so the outdoor decoration is getting more and more attention. However, because it is not water-resistant and not waterproof, the paint film will peel off as a whole after being washed by rainwater, which looks unattractive. At present, acid rain The impact is getting bigger and bigger, which makes the requirements for the paint coating on the outer layer of the building higher and higher. The waterproof and anti-seepage of the building is related to people's working and l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D179/02C09D163/00C09D167/08C09D175/08C09D5/08C09D5/18C09D7/12C08G18/75C08G18/66C08G18/61C08G18/48
Inventor 胡昌悌
Owner WUHU SHUANGBAO BUILDING MATERIAL
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