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Waterborne glass baking paint and preparation method thereof

A glass baking varnish, water-based technology, applied in the direction of coating, etc., can solve the problems of glossiness, poor weather resistance, poor wear resistance, short service life, etc., and achieve the effect of simple construction, improved service life and stable storage

Inactive Publication Date: 2016-09-21
中山市汉艺涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing water-based glass baking varnishes have poor gloss and weather resistance, low hardness, and weak adhesion. Some water-based glass baking varnishes even use organic or toxic solvents
[0003] With the improvement of people's awareness of environmental protection, the application of water-based coatings on glass has received great attention. The one-component water-based glass paint prepared by polyurethane water dispersion, water-soluble polyacrylic resin, urethane type and modified acrylic resin is in the market. There are disadvantages such as adhesion, alcohol resistance, water resistance, wear resistance and low hardness on the glass substrate, resulting in short service life, and the ratio of acrylic resin to amino curing agent and the amount of coupling agent are the most important for water resistance of the paint film. The main factors affecting the resistance, alcohol resistance, wear resistance and hardness

Method used

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  • Waterborne glass baking paint and preparation method thereof
  • Waterborne glass baking paint and preparation method thereof
  • Waterborne glass baking paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of water-based glass baking varnish, is characterized in that: be made of the component of following weight ratio:

[0027]

[0028]

[0029] Above-mentioned water-based glass baking varnish is prepared by the following specific steps:

[0030] a. Put in 2% hydroxyethyl cellulose and water-based dispersant in turn, turn on the machine at 400-600 / min and stir for 5 minutes. ;

[0031] b. Add the water-based defoamer at the speed of 400-600 rpm, and stir the substrate wetting agent evenly for 5 minutes;

[0032] c. Then add rutile titanium dioxide and disperse at a high speed of 1000-1200 rpm for 15 minutes;

[0033] d, and then use a horizontal sand mill to sand, and the fineness is below 15 microns;

[0034] e. Then add water-based paint defoamer, smoothing and flow agent, coupling agent, and film-forming agent in order to disperse for 5 minutes at 600-800 rpm;

[0035] f. Finally, add modified acrylic resin and amino resin and stir at 500-700 rpm for 1...

Embodiment 2

[0037] A kind of water-based glass baking varnish, is characterized in that: be made of the component of following weight ratio:

[0038]

[0039]

[0040] Above-mentioned water-based glass baking varnish is prepared by the following specific steps:

[0041] a. Put in 2% hydroxyethyl cellulose and water-based dispersant in turn, turn on the machine at 400-600 / min and stir for 5 minutes. ;

[0042] b. Add the water-based defoamer at the speed of 400-600 rpm, and stir the substrate wetting agent evenly for 5 minutes;

[0043] c. Then add rutile titanium dioxide and disperse at a high speed of 1000-1200 rpm for 15 minutes;

[0044] d, and then use a horizontal sand mill to sand, and the fineness is below 15 microns;

[0045] e. Then add water-based paint defoamer, smoothing and flow agent, coupling agent, and film-forming agent in order to disperse for 5 minutes at 600-800 rpm;

[0046] f. Finally, add modified acrylic resin and amino resin and stir at 500-700 rpm for 1...

Embodiment 3

[0048] A kind of water-based glass baking varnish, is characterized in that: be made of the component of following weight ratio:

[0049]

[0050] Above-mentioned water-based glass baking varnish is prepared by the following specific steps:

[0051] a. Put in 2% hydroxyethyl cellulose and water-based dispersant in turn, turn on the machine at 400-600 / min and stir for 5 minutes. ;

[0052] b. Add the water-based defoamer at the speed of 400-600 rpm, and stir the substrate wetting agent evenly for 5 minutes;

[0053] c. Then add rutile titanium dioxide and disperse at a high speed of 1000-1200 rpm for 15 minutes;

[0054] d, and then use a horizontal sand mill to sand, and the fineness is below 15 microns;

[0055] e. Then add water-based paint defoamer, smoothing and flow agent, coupling agent, and film-forming agent in order to disperse for 5 minutes at 600-800 rpm;

[0056] f. Finally, add modified acrylic resin and amino resin and stir at 500-700 rpm for 10 minutes, t...

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Abstract

The invention discloses waterborne glass baking paint. The waterborne glass baking paint is characterized by being prepared from, by weight, 400-600 parts of modified acrylic resin, 200-350 parts of rutile titanium dioxide, 100-120 parts of amino resin, 100-150 parts of 2% hydroxyethyl cellulose, 20-30 parts of a coupling agent, 10-15 parts of a coalescing agent, 5-6 parts of a waterborne dispersing agent, 3-5 parts of a waterborne defoaming agent, 2-3 parts of a waterborne paint defoaming agent, 2-5 parts of a substrate wetting agent and 3-5 parts of a smoothing and flowing agent. The waterborne glass baking paint is environmentally friendly and good in adhesive force, alcohol resistance and water resistance. The invention further provides a preparation method of the waterborne glass baking paint.

Description

【Technical field】 [0001] The invention relates to a water-based glass baking varnish and a preparation method thereof. 【Background technique】 [0002] In the decorative painting of wooden furniture, water-based glass baking varnish is water-soluble glass baking varnish. Traditional oil-based glass baking varnish is added with thinner such as thinner, while water-based glass baking varnish is added with clean water as diluent. Generally, after the unsaturated polyester paint is formed into a film, the paint film is hard and brittle, and the flexibility is not good. After modification with polyurethane, the flexibility of the paint film is improved, and the paint film is improved by glass powder and polyethylene wax slurry. abrasion resistance of the film. Existing water-based glass baking varnishes have poor gloss and weather resistance, low hardness and weak adhesion, and even some water-based glass baking varnishes use organic or toxic solvents. [0003] With the improvem...

Claims

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Application Information

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IPC IPC(8): C09D133/08C09D161/32C09D101/28C09D7/12
CPCC09D133/08C08L2205/03C09D7/61C09D7/63C08L61/32C08L1/284C08K13/02C08K5/5415C08K5/05C08K2003/2241
Inventor 李汉华
Owner 中山市汉艺涂料有限公司
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