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Fingerprint-resistant paint and preparation method thereof

A technology of anti-fingerprints and coatings, applied in the direction of coatings, etc., can solve the problems of lowering product grades, unsightly, easy to stick fingerprints on galvanized steel sheets, etc., achieve the effect of recoating without embrittlement and improving fingerprint resistance

Inactive Publication Date: 2011-04-06
WUXI JINJIAN PAINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the surface of the galvanized steel sheet is easy to stick to fingerprints. After a long time of use, a lot of fingerprints will be left on the surface, which is very unsightly, thus reducing the grade of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A fingerprint resistant coating, which is composed of the following components in parts by weight ratio:

[0030] Acrylic resin emulsion (solid content 45%) 60 parts;

[0031] 5 parts of silica sol;

[0032] 7 parts of mixed wax slurry;

[0033] BYK141 0.5 copies;

[0034] BYK 306 0.5 copies

[0035] 6 parts of ethylene glycol butyl ether;

[0036] 30 parts of deionized water.

[0037] Add acrylic resin emulsion into the mixing kettle, stirring at 400r / min, and then add silica sol, polyethylene and polytetrafluoroethylene mixed wax slurry (polyethylene wax slurry and polytetrafluoroethylene wax slurry according to the mass ratio of 1:2 ), BYK141 and BYK306 defoaming leveling agent and ethylene glycol butyl ether, stir for 15 minutes, then add deionized water, continue to stir for 30 minutes to obtain fingerprint resistant coating.

[0038] Wherein, the acrylic resin emulsion has a solid content of 45% and is prepared by the following method:

[0039] (1) Add an appropriate amount of ...

Embodiment 2

[0045] A fingerprint resistant coating, which is composed of the following components in parts by weight ratio:

[0046] Acrylic resin emulsion (solid content 45%) 50 parts;

[0047] 8 parts of silica sol;

[0048] 4 parts of mixed wax slurry;

[0049] EFKA-3772 0.1 parts

[0050] EFKA-2022 0.1 parts

[0051] 4 parts of ethylene glycol butyl ether;

[0052] 40 parts of deionized water.

[0053] Add acrylic resin emulsion (solid content 45%) into the mixing kettle, stirring at 300r / min, and then add silica sol, polyethylene and polytetrafluoroethylene mixed wax slurry (polyethylene wax slurry and polytetrafluoroethylene wax slurry) According to the mass ratio of 3:1), EFKA-3772, EFKA-2022 defoaming leveling agent and ethylene glycol butyl ether, stir for 8 minutes, then add deionized water and continue stirring for 20 minutes to obtain fingerprint resistant coating.

[0054] The acrylic resin emulsion, silica sol, polyethylene wax slurry and polytetrafluoroethylene wax slurry are all common...

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Abstract

The invention discloses a fingerprint-resistant paint and a preparation method thereof. The fingerprint-resistant paint comprises the following components in parts by weight: 50-60 parts of acrylic resin emulsion (solid content is 45%), 5-8 parts of silicasol, 4-7 parts of mixed wax slurry, 0.2-1 part of defoaming and leveling agent, 4-6 parts of film-forming cosolvent and 30-40 parts of deionized water. The fingerprint-resistant paint takes water as the main solution, and is added with aqueous high-molecular organic substances which have superior properties and are harmless to human bodies. A low surface tension structure is formed on surface of the added filler and the paint film, thereby greatly enhancing the fingerprint resistance of the steel sheet. The fingerprint-resistant paint can be coated on the surface of a hot galvanized steel sheet or electrogalvanized steel sheet in a mode of dip coating, curtain coating, roller coating, gasket coating or the like, so that fingerprints can not be attached to the surface. In addition, the paint is environment-friendly.

Description

Technical field [0001] The invention relates to a paint coated on the surface of a galvanized steel sheet and a preparation method thereof, in particular to a paint coated on the surface of a galvanized steel sheet which can resist fingerprints and a preparation method thereof. Background technique [0002] Galvanized steel sheets are usually divided into two categories: hot-dip galvanized steel sheets and electro-galvanized steel sheets. Galvanized steel sheets are widely used in light industry, home appliances, construction, home industry and automobile manufacturing due to their good anti-corrosion properties and decorative functions. It is a product with high added value. In the galvanized steel sheet, although the steel exposed to the moist air is susceptible to corrosion, due to galvanizing, it can rely on the metal zinc that forms a dense oxide protective layer in the air to protect the internal steel structure. In the case of scratches, the relatively active galvanized ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D123/06C09D127/18C09D5/00C08F220/14C08F220/18C08F220/06
Inventor 周筱祯汪茂军
Owner WUXI JINJIAN PAINTING
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