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Construction method for preventing transparent polyurethane paint film for outdoor solid wood product from being whity

A technology of polyurethane and transparent lacquer, which is applied to the device for coating liquid on the surface, pretreatment of the surface, coating, etc. It can solve the problems that the polyurethane transparent paint film is prone to whitening, etc., and achieve full hand feeling, prevent discoloration, and feel mild effect

Inactive Publication Date: 2012-06-27
青岛富臣化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a construction method for preventing the whitening of the polyurethane transparent paint film of outdoor solid wood products, so as to overcome the defect that the polyurethane transparent paint film obtained by the existing construction method is prone to whitening

Method used

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  • Construction method for preventing transparent polyurethane paint film for outdoor solid wood product from being whity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A construction method for preventing the whitening of polyurethane transparent paint film for outdoor solid wood products, comprising the following steps:

[0021] 1) Material sanding: Sand the material with sandpaper to make it flat and smooth;

[0022] 2) Spray or brush the anti-discoloration liquid: After step 1), spray or brush the anti-discoloration liquid, let it dry naturally for 1 hour, and then sand it with sandpaper to make it smooth and smooth;

[0023] 3) Material coloring: After step 2), wipe it evenly with the filler Gaglis, let it dry naturally for 1 hour, and then sand it with sandpaper to make it flat and smooth;

[0024] 4) Outdoor polyurethane transparent primer brushing:

[0025] After step 3):

[0026] ①. Use outdoor polyurethane transparent primer thinner to adjust the viscosity of outdoor polyurethane transparent primer to 18 seconds, evenly brush a "ten" character, let it dry naturally for 6 hours, and then sand it with sandpaper to make it smo...

Embodiment 2

[0030] A construction method for preventing the whitening of polyurethane transparent paint film for outdoor solid wood products, comprising the following steps:

[0031] 1) Material sanding: Sand the material with sandpaper to make it flat and smooth;

[0032] 2) Spray or brush the anti-discoloration liquid: After step 1), spray or brush the anti-discoloration liquid, let it dry naturally for 1 hour, and then sand it with sandpaper to make it smooth and smooth;

[0033] 3) Material coloring: After step 2), wipe it evenly with the filler Gaglis, let it dry naturally for 1 hour, and then sand it with sandpaper to make it smooth and smooth;

[0034] 4) Outdoor polyurethane transparent primer spraying:

[0035] After step 3):

[0036] ①. Use outdoor polyurethane transparent primer thinner to adjust the viscosity of outdoor polyurethane transparent primer to 16 seconds, spray two "ten" characters evenly, let it dry naturally for 8 hours, and then sand it with sandpaper to make i...

Embodiment 3

[0040] Verify the method of the present invention:

[0041] Randomly select 20 pieces of materials of embodiment 1 and 2 construction treatment respectively, adopt the construction method of the present invention to carry out construction, randomly select 10 pieces of products of embodiment 1 and 2 after spraying and place them in the outdoor environment for 12 months; in addition The products of 10 pieces of embodiments 1 and 2 are placed in the aging resistance test box for 1000 hours; during this period, observe, compare and record the discoloration of the wood with a color card. The experimental results are shown in Table 1.

[0042] Table 1:

[0043]

[0044] Note: "-" indicates that no experiment was performed.

[0045] As can be seen from Table 1, the materials treated by the method of the present invention are placed outdoors for 12 months and 1000 hours in the aging resistance instrument respectively after construction, and no discoloration occurs, so the method ...

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Abstract

The invention discloses a construction method for preventing a transparent polyurethane paint film for an outdoor solid wood product from being whity. The method comprises the following steps of: (1) sanding materials; (2) spraying or brushing anti-tarnishing liquid; (3) coloring the materials; (4) brushing or spraying outdoor transparent polyurethane priming paint; and (5) brushing or spraying transparent polyurethane finish paint. By using the construction method, the transparent polyurethane paint film for the outdoor solid wood product can be effectively prevented from being whity and tarnishing; a product obtained after construction is fresh and natural and full and round in handfeel and mild in feeding when being touched in winter; and the demand for decoration can be met.

Description

technical field [0001] The invention relates to a construction method of a chemical coating, in particular to a construction method for preventing the whitening of polyurethane transparent paint film of outdoor solid wood products, and belongs to the field of chemical industry. Background technique [0002] Polyurethane coatings are widely used in furniture decoration and interior decoration because of their excellent adhesion, excellent decorative performance, comprehensive chemical resistance and convenient construction performance. However, due to its construction, especially in the construction of outdoor solid wood products, often due to high air humidity, or due to improper pretreatment of the substrate, the polyurethane coating will be damaged during construction, or a few days or more than ten days after construction. , For a few months or even longer, after the paint film dries, the moisture in the air will easily penetrate into the paint film or the moisture in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/00B05D5/06B05D7/08B05D1/36B05D3/12
Inventor 刘锋钟荆祥
Owner 青岛富臣化工有限公司
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