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Aqueous baking varnish stainless steel gold oil and preparation method thereof

A stainless steel, water-based technology, applied in the coating and other directions, can solve the problems of poor adhesion, paint peeling and peeling, and achieve the effect of excellent adhesion, good adhesion and high hardness

Inactive Publication Date: 2019-12-20
东莞大宝化工制品有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For low-VOC water-based paint, this layer of oxide skin reduces the erosive force of solvents in oil-based paint. Some stainless steel products in daily life often have problems of poor adhesion and paint peeling when they are painted with water-based paint.

Method used

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  • Aqueous baking varnish stainless steel gold oil and preparation method thereof
  • Aqueous baking varnish stainless steel gold oil and preparation method thereof
  • Aqueous baking varnish stainless steel gold oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A kind of water-based baking varnish stainless steel gold oil, it comprises the raw material of following percentage by weight:

[0034]

[0035] Wherein, the water-based acrylic resin is an aqueous solution of acrylic resin, and in this embodiment, the solid content of the water-based acrylic resin is 40%.

[0036] Wherein, the water-based amino resin is a water-based methyl etherified resin, and in this embodiment, the solid content of the water-based amino resin is 90%.

[0037] Wherein, the aqueous amine neutralizing agent is bisaminodimethyl monoalcohol.

[0038] Wherein, the thickener is an associative polyurethane thickener.

[0039] In this embodiment, the defoamer is a water-based silicone defoamer.

[0040] Wherein, the wetting and leveling agent is water-based polyether modified siloxane.

[0041] In this embodiment, the film-forming aid is propylene glycol methyl ether.

[0042] The preparation method of above-mentioned a kind of water-based baking va...

Embodiment 2

[0047] A kind of water-based baking varnish stainless steel gold oil, it comprises the raw material of following percentage by weight:

[0048]

[0049] Wherein, the water-based acrylic resin is an aqueous solution of acrylic resin, and in this embodiment, the solid content of the water-based acrylic resin is 35%.

[0050] Wherein, the water-based amino resin is a water-based methyl etherified resin, and in this embodiment, the solid content of the water-based amino resin is 88%.

[0051] Wherein, the aqueous amine neutralizing agent is bisaminodimethyl monoalcohol.

[0052] Wherein, the thickener is an associative polyurethane thickener.

[0053] In this embodiment, the defoamer is a mineral oil defoamer.

[0054] Wherein, the wetting and leveling agent is water-based polyether modified siloxane.

[0055] In this embodiment, the film-forming aid is ethylene glycol monobutyl ether.

[0056] The preparation method of above-mentioned a kind of water-based baking varnish s...

Embodiment 3

[0061] A kind of water-based baking varnish stainless steel gold oil, it comprises the raw material of following percentage by weight:

[0062]

[0063]Wherein, the water-based acrylic resin is an aqueous solution of acrylic resin, and in this embodiment, the solid content of the water-based acrylic resin is 45%.

[0064] Wherein, the water-based amino resin is a water-based methyl etherified resin, and in this embodiment, the solid content of the water-based amino resin is 92%.

[0065] Wherein, the aqueous amine neutralizing agent is bisaminodimethyl monoalcohol.

[0066] Wherein, the thickener is an associative polyurethane thickener.

[0067] In this embodiment, the defoamer is a combination of water-based silicone defoamer and mineral oil defoamer.

[0068] Wherein, the wetting and leveling agent is water-based polyether modified siloxane.

[0069] In this embodiment, the film-forming aid is a composition of propylene glycol methyl ether and ethylene glycol monobuty...

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Abstract

The invention relates to the technical field of coating materials, particularly to an aqueous baking varnish stainless steel gold oil and a preparation method thereof, wherein the aqueous baking varnish stainless steel gold oil comprises an aqueous acrylic resin, an aqueous amino resin, an aqueous amine neutralizer, a thickener, a defoamer, a wetting leveling agent, a film forming aid and water. According to the present invention, the aqueous acrylic resin has characteristics of high hardness and good adherence, and the aqueous amino resin has characteristics of good water solubility, good flexibility, low reaction temperature and high cross-linking degree, such that the prepared aqueous baking varnish stainless steel gold oil has advantages of excellent adherence and no paint shedding andremoving through the synergistic effect of the components, further has advantages of low odor, alcohol resistance, good acid resistance, good alkali resistance, bending resistance and excellent impact resistance, has excellent adherence to most metal products, especially stainless steel products, and has further high gold oil glossiness; and the preparation method has characteristics of simple process and low production cost, and is suitable for large-scale production.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based baking varnish stainless steel gold oil and a preparation method thereof. Background technique [0002] Water-based baking varnish does not contain harmful solvents such as benzene, and does not contain free TDI; the construction is simple and convenient, and it is not prone to common problems of oil-based paint such as bubbles and particles; the paint film is plump and tough, does not yellow, has excellent water resistance, and does not burn; High temperature resistance; it can be applied simultaneously with other paints such as latex paint. Therefore, in recent years, the replacement of oil-based industrial paint with water-based industrial paint is gradually being staged. There are many stainless steel products in life. Due to the hard oxide scale produced after coiling, edge binding, welding or artificial surface processing and high temperature treatment duri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/65
CPCC08L2205/035C09D7/65C09D133/04C08L61/32
Inventor 夏劲雷
Owner 东莞大宝化工制品有限公司
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