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Single-component water-based outdoor top-coat varnish

A clear topcoat, single-component technology, applied in the direction of coating, etc., can solve the problems of paint film damage, loss of protection and beautification, etc., to achieve the effect of prolonging the service life, excellent protection, decoration and beautification, and improving the use effect

Active Publication Date: 2014-03-12
GUANGDONG BADESE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used water-based outdoor varnishes mainly use ordinary acrylic resins. In terms of weather resistance, due to the long-term outdoor natural environment, various chemicals and rainwater in the air are easy to penetrate into the paint film and cause damage to the paint film. Conservation and beautification

Method used

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  • Single-component water-based outdoor top-coat varnish
  • Single-component water-based outdoor top-coat varnish

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Raw material weight percentage

[0030] Water-based acrylic resin 77%

[0031] Wetting agent 0.3%

[0032] Defoamer 0.4%

[0033] Co-solvent 6%

[0034] Thickener 0.6%

[0035] Preservatives 0.3%

[0036] Antifungal agent 0.4%

[0037] Water 15%.

[0038] The preparation steps of the present invention are as follows:

[0039] Add 77 kg of water-based acrylic resin in turn to a clean container that meets the requirements, start stirring, and disperse at a low speed at a speed of 400-600 r / min. Min high-speed dispersion for 10~15 min, pre-mix 6 kg of co-solvent and 13 kg of water to form a uniformly dispersed mixed solution, then add it to the system, disperse for 5 min, add 0.6 kg of thickener and 2 kg of water to adjust the viscosity to 65- 70KU / 25 o C, stir at high speed for 5 minutes; finally add 0.3 kg of preservative and 0.4 kg of antifungal agent, and disperse evenly for 5 minutes.

[0040] How to use: When using, dilute with water to the required viscosi...

Embodiment 2

[0042] raw material weight

[0043] Water-based acrylic resin 85 kg

[0044] Wetting agent 0.4 kg

[0045] Defoamer 0.3 kg

[0046] Co-solvent 7 kg

[0047] Thickener 0.6 kg

[0048] Preservative 0.3 kg

[0049] Antifungal agent 0.4 kg

[0050] 6 kg of water.

[0051] The preparation steps of the present invention are as follows:

[0052] Add 85 kg of water-based acrylic resin in turn to a clean container that meets the requirements, start stirring, and disperse at a low speed at a speed of 400-600 r / min. Min high-speed dispersion for 10~15 min, pre-mix 7 kg of co-solvent and 5 kg of water to form a uniformly dispersed mixed solution, then add it to the system, disperse for 5 min, add 0.6 kg of thickener and 1 kg of water to adjust the viscosity to 65 -70KU / 25 o C, stir at high speed for 5 minutes; finally add 0.3 kg of preservative and 0.4 kg of antifungal agent, and disperse evenly for 5 minutes.

[0053] How to use: When using, dilute with water to the required vi...

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Abstract

The invention relates to a single-component water-based outdoor top-coat varnish. The single-component water-based outdoor top-coat varnish substantially consists of ingredients in percentage by weight: 75%-85% of water-based acrylic resin, 0.2%-0.4% of wetting agent, 0.3%-0.5% of defoaming agent, 6%-8% of cosolvent, 0.4%-0.6% of thickener, 0.1%-0.3% of preservative, 0.2%-0.4% of mould inhibitor, and 6%-15% of water. A layer of compact reticular thin film structure is formed on the surface in the film forming process by adopting water-based acrylic resin of self-crosslinked nanoscale polymer, the single-component water-based outdoor top-coat varnish has excellent hydrophobic performance, the contamination resistance and gloss retention of the product in outdoor use can be promoted, and the coating effect of the product in outdoor coating, protection and decoration materials can be improved.

Description

technical field [0001] The invention relates to a water-based outdoor wood paint specially used for decorating and protecting outdoor wooden materials, in particular to a single-component water-based outdoor clear finish paint, which belongs to the field of water-based wood paint. Background technique [0002] Outdoor wood products have special performance requirements for the protection and decoration materials used. At the same time, with the global requirements for green life, environmental protection performance has become the first choice for its use. [0003] In addition to outstanding environmental protection, the protective and decorative materials for outdoor woodware need to have excellent weather resistance, stain resistance, early wear resistance and gloss retention. [0004] As one of the most environmentally friendly products, water-based wood paint has always been the first choice for people to use environmentally friendly products. At present, the commonly u...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12
Inventor 方学平饶小胜
Owner GUANGDONG BADESE CHEM
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