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Organosilicon epoxy acrylic acid modified waterborne alkyd resin emulsion and coating thereof

A silicone epoxy acrylic, water-based alkyd resin technology, used in polyester coatings, coatings, etc., can solve problems such as low hardness, slow drying of paint films, poor water resistance and outdoor weather resistance, and achieve excellent performance, The effect of prolonged weather resistance and excellent storage stability

Inactive Publication Date: 2015-12-09
盘锦辽河油田金宇生态环境有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, waterborne alkyd resin coating itself also has some defects, such as slow drying of the paint film, low hardness, poor water resistance and outdoor weather resistance, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Organosilicon epoxy acrylic acid modified water-based alkyd resin coating, its formula is calculated in parts by mass:

[0037] 45 parts of silicone epoxy acrylic modified water-based alkyd resin emulsion, its composition is counted as: 50 parts of tung oil, 35 parts of phthalic anhydride, 7 parts of xylene, 8 parts of epoxy ester, 8 parts of organic Silicon ester;

[0038] 3 parts of pigment;

[0039] 16 parts of filler;

[0040] 15 parts of deionized water;

[0041] 0.25 parts of dispersant;

[0042] 0.2 parts of defoamer;

[0043] 1.7 parts of drier.

[0044] The filler in the formula is: butyl ether - 5 parts, rutile titanium dioxide 902-15 parts, Tiger wetting agent 246-0.2 parts, nano calcium carbonate - 5 parts.

[0045] The dispersant in the formula is an anionic sodium salt solution.

[0046]The defoamer in the formula is silicone oil defoamer.

[0047] The drying agent in the formula is: 4 parts of cobalt isooctanoate, 12 parts of zirconium isooctanoat...

Embodiment 2

[0057] Organosilicon epoxy acrylic acid modified water-based alkyd resin coating, its formula is calculated in parts by mass:

[0058] 40 parts of organosilicon epoxy acrylic acid modified water-based alkyd resin emulsion, its ingredients are calculated in parts by mass: 45 parts of castor oil, 45 parts of trimellitic anhydride, 3 parts of xylene, 10 parts of epoxy ester, 5 parts of organic silicon ester;

[0059] 3 parts of pigment;

[0060] 6 parts of filler;

[0061] 10 parts of deionized water;

[0062] 0.05 parts of dispersant;

[0063] 0.1 part of defoamer;

[0064] 0.9 parts of drier.

[0065] The filler in the formula is: butyl ether-4 parts, rutile titanium dioxide 902-10 parts, Tiger wetting agent 246-0.10 parts, nano calcium carbonate-4 parts.

[0066] The dispersant in the formula is an anionic sodium salt solution.

[0067] The defoamer in the formula is silicone oil defoamer.

[0068] The drying agent in the formula is: 1 part of cobalt isooctanoate, 5 par...

Embodiment 3

[0078] Organosilicon epoxy acrylic acid modified water-based alkyd resin coating, its formula is calculated in parts by mass:

[0079] 50 parts of organosilicon epoxy acrylic acid modified water-based alkyd resin emulsion, its ingredients are calculated in parts by mass: 65 parts of linseed oil, 25 parts of trimellitic anhydride, 10 parts of xylene, 5 parts of epoxy ester, 10 parts of organic silicon ester;

[0080] 4 parts of pigment;

[0081] 26 parts of filler;

[0082] 20 parts of deionized water;

[0083] 0.5 parts of dispersant;

[0084] 0.3 part of defoamer;

[0085] 2.5 parts of drier.

[0086] The filler in the formula is: butyl ether-10 parts, rutile titanium dioxide 902-25 parts, Tiger wetting agent 246-25 parts, nano calcium carbonate-10 parts)

[0087] The dispersant in the formula is an anionic sodium salt solution.

[0088] The defoamer in the formula is silicone oil defoamer.

[0089] The drying agent in the formula is: 4 parts of cobalt isooctanoate, 12...

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Abstract

The invention provides an organosilicon epoxy acrylic acid modified waterborne alkyd resin and a coating thereof; the formula of the coating comprises the components in parts by mass: 40-50 parts of an organosilicon epoxy acrylic acid modified waterborne alkyd resin emulsion comprising the components of 45-65 parts of tung oil, castor oil or linseed oil, 25-45 parts of phthalic anhydride, trimellitic anhydride or trimellitic anhydride, 3-10 parts of xylene, 5-10 parts of epoxy ester and 5-10 parts of organosilicon ester; 3-4 parts of a pigment; 6-26 parts of a packing; 10-20 parts of deionized water; 0.05-0.5 part of a dispersant; 0.1-0.3 part of a defoaming agent; and 0.9-2.5 parts of a drier. The preparation method of the emulsion comprises the steps: heating oil, glycerol, pentaerythritol and trimethylolpropane with nitrogen protection, adding an alcoholysis catalyst, heating up, keeping a reaction until the ethanol tolerance degree reaches 2.0-5.0 ml / 100 ml, and cooling; adding anhydride and xylene; adding organosilicon ester and epoxy ester, and modifying; and adding acrylate, and modifying; and cooling, and dispersing the mixture for two times. The coating has the advantages that easily-volatile organic compounds are reduced with water as a diluent.

Description

technical field [0001] This invention relates to solventborne coatings. Background technique [0002] With the enhancement of people's awareness of environmental protection and energy conservation, the application of environmentally friendly water-based coatings has become the general trend. Compared with traditional solvent-based coatings, water-based coatings greatly reduce the emission of volatile organic compounds (VOCs), and have the advantages of safety, environmental protection, low cost, and flexible construction. Water-based alkyd resin coatings use renewable vegetable oil or fatty acid as the main raw material and water as the solvent. The raw material is easy to obtain, the price is cheap, and the comprehensive performance of the paint film is excellent. It is widely used in various fields. However, waterborne alkyd resin coatings also have some defects, such as slow drying of the paint film, low hardness, poor water resistance and outdoor weather resistance, etc...

Claims

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Application Information

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IPC IPC(8): C08G63/49C08G63/91C09D167/08
Inventor 胡文双顾国清姜世杰
Owner 盘锦辽河油田金宇生态环境有限公司
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