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Waterborne metal coating and preparation method thereof

A water-based metal coating and water-based acrylic technology, used in anti-corrosion coatings, coatings, etc., can solve problems such as good corrosion resistance, and achieve the effects of good adhesion, reduced pollution, and fast drying speed.

Inactive Publication Date: 2019-12-10
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the existing water-based metal coatings in the prior art cannot have both fast drying, good adhesion and good corrosion resistance, the present invention provides a water-based metal coating and a preparation method thereof

Method used

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  • Waterborne metal coating and preparation method thereof

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Effect test

Embodiment 1

[0048] An embodiment of the present invention provides a water-based metal coating, which includes the following raw material components in parts by mass: 30 parts of water-based acrylic resin, 70 parts of nano-titanium silicon carbide modified acrylic resin, 20 parts of pigment, 0.8 parts of rheology additive, pH Conditioner 0.1 part, defoamer 0.8 part, film-forming aid 3 parts, anti-flash rust agent 0.8 part, co-solvent 8 parts, wetting and dispersing agent 2 parts, substrate wetting agent 0.5 part, thickener 1 part and 20 parts of deionized water.

[0049] Wherein, the water-based acrylic emulsion is DSM's A639; the rheology additive is Gaotai's 2025; the pigment is rutile titanium dioxide R-996; the pH regulator is N,N-dimethyl Ethanolamine; Described defoamer is FoamStarA10; Described film-forming aid is the mixture of tripropylene glycol methyl ether and dipropylene glycol butyl ether that mass ratio is 2:1; Described anti-flash rust agent is the Halox515 anti-flash rust...

Embodiment 2

[0061] An embodiment of the present invention provides a water-based metal coating, which includes the following raw material components in parts by mass: 40 parts of water-based acrylic resin, 45 parts of nano-titanium silicon carbide modified acrylic resin, 25 parts of pigment, 1.0 part of rheology additive, pH 0.2 parts of conditioner, 0.5 parts of defoamer, 3.5 parts of film-forming aid, 0.2 parts of anti-flash rust agent, 10 parts of co-solvent, 3 parts of wetting and dispersing agent, 1 part of substrate wetting agent, 2 parts of thickener and 18 parts of deionized water.

[0062] The trade mark of above-mentioned each component is identical with embodiment 1, and difference is: described film-forming aid is the mixture of tripropylene glycol methyl ether and dipropylene glycol butyl ether that mass ratio is 1:1; Described cosolvent is that mass ratio is 1:1 mixture of ethylene glycol butyl ether and propylene glycol methyl ether.

[0063] Wherein, the nano-titanium sil...

Embodiment 3

[0072] An embodiment of the present invention provides a water-based metal coating, comprising the following raw material components in parts by mass: 50 parts of water-based acrylic resin, 20 parts of nano-titanium silicon carbide modified acrylic resin, 15 parts of pigment, 0.5 part of rheology additive, pH 0.15 parts of conditioner, 0.6 parts of defoamer, 4 parts of film-forming aid, 0.6 part of anti-flash rust agent, 5 parts of co-solvent, 4 parts of wetting and dispersing agent, 0.8 part of substrate wetting agent, 1.5 parts of thickener and 15 parts of deionized water.

[0073] The trade mark of above-mentioned each component is identical with embodiment 1, and difference is: described film-forming auxiliary agent is the mixture of tripropylene glycol methyl ether and dipropylene glycol butyl ether that mass ratio is 3:1; Described auxiliary solvent is ethylene glycol butyl ether.

[0074] Wherein, the nano-titanium silicon carbide modified acrylic resin includes the fo...

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Abstract

The invention discloses a waterborne metal coating and a preparation method thereof. The water-based metal coating is prepared from 30-50 parts of waterborne acrylic resin, 20-70 parts of nano-titanium silicon carbide modified acrylic resin, 15-25 parts of pigment, 0.5-1.0 part of a rheological agent, 0.1-0.2 part of a pH regulator, 0.5-0.8 part of a defoamer, 3-4 parts of a film-forming additive,0.2-0.8 part of an anti-flash rust agent, 5-10 parts of a cosolvent, 2-4 parts of a wetting dispersant, 0.5-1 part of a base material wetting agent, 1-2 parts of a thickener and 5-10 parts of deionized water. The waterborne metal coating provided by the invention has the advantages of high adhesion, high drying speed and excellent corrosion resistance. Sand blasting treatment or corrosion roughening treatment on the metal surface is not needed, the effect of being same as the effect after sand blasting treatment or corrosion roughening treatment on the metal surface can be achieved, construction difficulty is greatly simplified, and broad market prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based metal coating and a preparation method thereof. Background technique [0002] In order to enhance the weather resistance and corrosion resistance of metals, prolong their service life and increase their aesthetics, surface treatment of metal materials is usually required. There are many kinds of metal surface treatment technologies. At present, the commonly used metal surface treatment technologies mainly include electroplating, electroless plating, and coating technology. The method of using coating technology to protect the metal surface has a long history. The most simple and effective method is to coat the metal surface with a coating with certain properties. After the solvent in the coating evaporates, a layer can be formed on the metal surface. Dense protective film. In recent years, with the rapid development of social economy, the demand for metal coating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D133/14C09D133/04C09D5/10C09D7/61
CPCC08K2003/0881C08K2201/011C09D5/10C09D7/61C09D133/04C09D133/066C08L33/04C08K3/34C08K3/08C08L33/066
Inventor 胡中源董立志
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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