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Aqueous strippable coating

A water-based and coating technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of affecting the appearance of the surface, the tape cannot cover every place, etc., and achieve the effect of good effect, wide applicability and convenient use

Inactive Publication Date: 2014-11-26
深圳市谷域材料研发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for items with complex surfaces, such as curved or uneven surfaces, the tape cannot cover every place, thus leaving many air bubbles
When the tape is removed, it often leaves a lot of residue or "ghosting" where the air bubbles are located, detracting from the aesthetics of the surface

Method used

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  • Aqueous strippable coating

Examples

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Effect test

preparation example Construction

[0021] The preparation method of the present invention is a conventional method in the technical field, so it will not be described in detail here.

[0022] The embodiments of the present invention or the examples have no special instructions, the solid content of the water-based polyurethane emulsion used is 38-40%, the viscosity is 50-100mpa·s, and the elongation at break is 400-500%; the solid content of the water-based pure acrylate emulsion It is 46~50%, and the viscosity is 400~800mpa·s.

Embodiment 1

[0024] A kind of water-based strippable coating, according to weight percentage, is made up of following components:

[0025] Water-based polyurethane emulsion 42%; water-based pure acrylate emulsion 36%; release agent 6%; defoamer 0.5%; rust inhibitor 1%; leveling agent 0.5%;

Embodiment 2

[0027] A kind of water-based strippable coating, according to weight percentage, is made up of following components:

[0028] Water-based polyurethane emulsion 51%; water-based pure acrylate emulsion 31%; release agent 8%; water-based color paste 0.5%; rust inhibitor 0.6%; defoamer 0.5%; leveling agent 0.5%; .

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Abstract

The invention relates to the field of aqueous coatings, and concretely relates to an aqueous strippable coating. The aqueous strippable coating comprises 40-80wt% of an aqueous polyurethane emulsion, 10-40wt% of an aqueous acrylate emulsion, 5-10wt% of a release agent, 0.5-2wt% of antirust agent, and the balance of water. The coating is sprayed on an object surface to be protected, and is naturally dried or undergoes low temperature heating drying to form a polymer material film on the protected surface, so the surface is effectively protected from scratches, brush burns and bruises in the processing or transportation process, and color change, pulverization, ageing and other defects due to sunlight irritation and other natural environment conditions, and the film can be manually stripped off when the surface protection is not needed, thereby the coating is convenient to use and has good effects; and the aqueous strippable coating can meet the protection of plastics, glass, metals and other different substrates, and has wide applicability.

Description

technical field [0001] The invention relates to the field of water-based paint, in particular to a water-based peelable paint. Background technique [0002] In the manufacturing industry, parts and some finished products often lose their surface due to dust, water droplets or oil stains during processing and transportation, and sometimes scratches or ultraviolet rays also lose their surface. Therefore, temporary protection during processing and transportation becomes very important. One of the common protection methods at present is to stick a layer of low-adhesive peelable tape on the surface, and remove the tape when no protection is needed. However, for items with complex surfaces, such as curved or uneven surfaces, the tape cannot cover every place, thus leaving many air bubbles. When the tape is removed, it often leaves behind a lot of residue or "ghosting" where the air bubbles are, detracting from the aesthetics of the surface. A feasible way to solve this problem ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D133/04C09D7/12C09D5/20
Inventor 熊飞雄何吉钢
Owner 深圳市谷域材料研发有限公司
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