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Waterborne hydrophobic oleophobic metal paint and preparation method thereof

A hydrophobic and oleophobic, metallic paint technology, applied in the direction of graft polymer adhesives, adhesive types, film/sheet release liners, etc., can solve the problem of expensive metal powder, unstable metal powder, chemical reaction Improve product stability and quality, improve compatibility, and lower reaction temperature

Inactive Publication Date: 2019-11-15
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although water-based paints are more environmentally friendly, metal powders are unstable in water and air and often undergo chemical reactions to deteriorate. limit

Method used

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  • Waterborne hydrophobic oleophobic metal paint and preparation method thereof
  • Waterborne hydrophobic oleophobic metal paint and preparation method thereof

Examples

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preparation example Construction

[0044] The present invention also provides a method for preparing the above-mentioned water-based hydrophobic and oleophobic metallic paint, including the configuration process of the base varnish and the adjustment process of the color paint, wherein the preparation process of the base varnish comprises the following steps:

[0045] (1) Add water-based polyester modified acrylic resin, PH regulator, co-solvent, and disperse for 5-10min at a speed of 600-900r / min;

[0046] (2) Add deionized water, defoamer, wetting agent, leveling agent, hydrophobic and oleophobic additives in sequence, and disperse for 10-20min at a speed of 900-1200r / min;

[0047] (3) Add high imino methyl etherified amino resin, disperse for 10-15min at a rotating speed of 1000-1300r / min, and obtain a basic varnish.

[0048]Further, the adjustment process of the color paint comprises the following steps:

[0049] (1) Add basic varnish, and disperse for 10-15min at a speed of 600-800r / min;

[0050] (2) dis...

Embodiment 1

[0054] A water-based hydrophobic and oleophobic metallic paint, in parts by mass, comprises the following components:

[0055] 80 parts of basic varnish, 5 parts of metallic pigment, 4 parts of co-solvent, 15 parts of water-based self-made resin color paste.

[0056] In the above scheme, the basic varnish includes the following components in parts by mass: 35 parts of water-based polyester modified acrylic resin, 2 parts of pH regulator, 0.4 part of defoamer, 15 parts of film-forming aid, wetting 0.4 parts of agent, 0.3 parts of leveling agent, 2 parts of water-based hydrophobic and oleophobic additives, 5 parts of deionized water, and 13 parts of high imino methyl etherified amino resin.

[0057] In the above scheme, the pH regulator is dimethylethanolamine.

[0058] The defoamer is BYK-028.

[0059] The wetting agent is Tego-100.

[0060] The film-forming aid is isopropanol.

[0061] Further, the pH regulator is dimethylethanolamine.

[0062] The preparation method of a...

Embodiment 2

[0071] A water-based hydrophobic and oleophobic metallic paint, in parts by mass, comprises the following components:

[0072] 75 parts of basic varnish, 5 parts of metallic pigment, 3 parts of co-solvent, 18 parts of water-based self-made resin color paste.

[0073] In the above scheme, the base varnish includes the following components in parts by mass: 34 parts of water-based polyester modified acrylic resin, 1.8 parts of pH regulator, 0.4 part of defoamer, 18 parts of film-forming aid, wetting 0.3 parts of agent, 0.4 parts of leveling agent, 2 parts of water-based hydrophobic and oleophobic additives, 23 parts of deionized water, and 13 parts of high imino methyl etherified amino resin.

[0074] In the above scheme, the pH regulator is dimethylethanolamine.

[0075] The defoamer is BYK024.

[0076] The wetting agent is AFCONA-3031.

[0077] The film-forming aid is propylene glycol butyl ether.

[0078] Further, the pH regulator is dimethylethanolamine.

[0079] The pr...

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Abstract

The invention discloses waterborne hydrophobic oleophobic metal paint and a preparation method thereof, and belongs to the technical field of coatings. The waterborne hydrophobic oleophobic metal paint comprises 70-90 parts of base varnish, 3-6 parts of metal pigment, 2-5 parts of a cosolvent and 10-20 parts of waterborne self-made resin color paste. Through adjustment of the formula and use amount of the metal paint, the stability of the metal paint can be maintained when ordinary metal powder is adopted by the metal paint, and meanwhile the metal paint has the advantages of hydrophobicity and oleophobicity, removal of VOC and purification of the air.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based hydrophobic and oleophobic metallic paint and a preparation method thereof. Background technique [0002] Metallic paint, also known as metallic flash paint, has fine metal powder (such as aluminum powder, copper powder, pearl powder, etc.) added to its paint base. After the light hits the metal powder, it is reflected through the paint film. . Therefore, it looks as if the metal is shining. The main characteristics of metallic paint are: tough paint film, strong adhesion, strong anti-ultraviolet, corrosion resistance and high fullness, which can comprehensively improve the service life and self-cleaning property of the coating. The main application areas of metallic paint are the automobile industry, bicycle tricycle industry, various electromechanical casings, and household appliance casings. The surface sprayed with metallic paint can not only make the appearance look s...

Claims

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Application Information

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IPC IPC(8): C09J151/08C09J161/32C09J7/40
CPCC09J7/40C09J151/08C08L61/32
Inventor 马浩湛冬冬祁艳东安自杰周李
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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