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Water-based anticorrosive rust-conversion coating as well as preparation method and application thereof

A rust-removing, water-based technology, applied to anti-corrosion coatings, coatings, etc., can solve problems such as poor adhesion and leveling, poor water resistance, and unrequired paint film thickness, and achieve low VOC content, convenient construction, and fast drying speed Effect

Inactive Publication Date: 2021-02-26
TIANJIN COLOROAD COATING & CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on the above analysis, the present invention starts from the perspective of high energy, high efficiency and environmental protection, and aims at the problems of poor initial water resistance, poor adhesion and leveling of water-based anticorrosion and rust-reversing coatings in the prior art, and the thickness of the paint film is not required. The present invention provides a A kind of water-based anticorrosion rust-reversing paint and preparation method thereof

Method used

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  • Water-based anticorrosive rust-conversion coating as well as preparation method and application thereof
  • Water-based anticorrosive rust-conversion coating as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiments of the present invention provide a water-based anti-corrosion and rust-reversing coating, which comprises the following components by weight:

[0043] 45 parts of water-based anti-corrosion rust-removing emulsion, 0.1 part of defoamer, 0.5 part of dispersant, 0.5 part of anti-flash rust agent, 0.4 part of thickener, 0.3 part of pH regulator, 0.2 part of wetting agent, 25 parts of pigment and filler, the composition 4 parts of membrane aids and 20 parts of deionized water.

[0044] The above-mentioned water-based anticorrosion and rust-removing emulsion is a modified acrylic emulsion made by the laboratory; the defoamer is TEGO 810 from Tego; the dispersant is TEGO 760W from Tego; A mixture of RM-8W and RM-12W of Rohm and Haas, wherein the mass ratio of RM-8W and RM-12W is 1:1; triethylamine is BASF of Germany; wetting agent is TEGO 4100 of Tego; titanium dioxide It is 6618 titanium dioxide; carbon black is Dagang black; barium sulfate is 1250 mesh barium su...

Embodiment 2

[0050] Embodiments of the present invention provide a water-based anti-corrosion and rust-reversing coating, which comprises the following components by weight:

[0051] 47.5 parts of water-based anti-corrosion rust-removing emulsion, 0.2 parts of defoamer, 0.6 parts of dispersant, 0.2 parts of anti-flash rust agent, 0.4 parts of thickener, 0.3 parts of pH regulator, 0.4 parts of wetting agent, 30 parts of pigments and fillers, the composition 4 parts of membrane aids and 20 parts of deionized water.

[0052] The models of the above-mentioned components are the same as those in Example 1, and will not be repeated here.

[0053] The preparation steps of the above-mentioned water-based anticorrosion rust-removing coating are as follows:

[0054] Step a, weigh each component according to the design ratio of the above-mentioned water-based anti-corrosion rust-removing coating, stir the weighed water-based anti-corrosion rust-removing emulsion, pH regulator, film-forming aid and d...

Embodiment 3

[0058] Embodiments of the present invention provide a water-based anti-corrosion and rust-reversing coating, which comprises the following components by weight:

[0059] 50 parts of water-based anti-corrosion rust-removing emulsion, 0.2 parts of defoamer, 0.6 parts of dispersant, 0.2 parts of anti-flash rust agent, 0.4 parts of thickener, 0.3 parts of pH regulator, 0.5 parts of wetting agent, 30 parts of pigments and fillers, the composition 4 parts of membrane aids and 20 parts of deionized water.

[0060] The models of the above-mentioned components are the same as those in Example 1, and will not be repeated here.

[0061] The preparation steps of the above-mentioned water-based anticorrosion rust-removing coating are as follows:

[0062] Step a, weigh each component according to the design ratio of the above-mentioned water-based anti-corrosion rust-removing coating, stir the weighed water-based anti-corrosion rust-removing emulsion, pH regulator, film-forming aid and dei...

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Abstract

The invention discloses a preparation method of a water-based anticorrosive rust-conversion coating, and the coating comprises the following raw material components in parts by weight: 40-50 parts ofwater-based anticorrosive rust-conversion emulsion, 0.1-0.3 part of a defoaming agent, 0.5-1 part of a dispersing agent, 0.1-0.5 part of a flash-rust inhibitor, 0.2-1 part of a thickening agent, 0.1-0.5 part of a pH regulator, 0.1-1 part of a wetting agent, 20-30 parts of pigment filler, 2-5 parts of a coalescing agent and 10-20 parts of deionized water. The water-based anticorrosive rust conversion coating provided by the invention has the advantages of high drying speed, excellent initial water resistance, excellent acid and alkali resistance and excellent salt spray resistance, can be directly coated on a rusted metal surface without strict rust removal and surface treatment, is very suitable for various steel components with difficulty in thorough surface treatment, and has wide application prospects and development potentials.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based anticorrosion rust-reversing coating and a preparation method thereof. Background technique [0002] Water-based anti-corrosion and anti-rust paint is also called the paint on the rust surface. It does not need to be rust-removing paint directly. In other words, it is a new type of paint that can be directly painted on the surface of metal substrates with residual rust. It is mostly used for metal protection. Primer, it is painted on the surface of metal substrates with residual rust, and it does not need to remove rust very thoroughly on the rusted metal, so it can reduce the cost of pre-painting treatment, reduce labor intensity, protect the environment and protect human physical and mental health Among them, the conversion-type water-based coating has a good and broad application market prospect. Among them, the conversion coating contains a component, which is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/08
CPCC09D5/08C09D133/04C08K5/13
Inventor 杨磊李妲姚学民赵琳高鹏高岩
Owner TIANJIN COLOROAD COATING & CHEM