A kind of polyester modified acrylate resin water-based paint and preparation method thereof

An acrylate and polyester modification technology, used in coatings, devices for coating liquid on surfaces, special surfaces, etc., can solve the problems affecting the appearance quality and appearance, dull gloss, hardness and impact strength of metal components It can achieve the effect of good protection, good solvent resistance and good stability

Inactive Publication Date: 2011-11-30
HUNAN SNTO NANOMETER NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the coatings used on the surface of metal materials on the market have the characteristics of strong adhesion and good chemical corrosion resistance, but generally have defects such as dull gloss, poor hardness and impact resistance, which greatly affect the appearance quality and quality of metal components. appearance image

Method used

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  • A kind of polyester modified acrylate resin water-based paint and preparation method thereof
  • A kind of polyester modified acrylate resin water-based paint and preparation method thereof
  • A kind of polyester modified acrylate resin water-based paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A polyester-modified acrylate resin water-based paint, and its formula is composed of 90 grams of acrylate resin solution, 8.5 grams of titanium dioxide, 0.5 grams of Madaaflow, 0.5 grams of methyl ethyl ketone, 9300.3 grams of Emulgen, and 0.2 grams of thickener.

[0038] The preparation method of the polyester-modified acrylate resin water-based paint, take 50 grams of acrylate resin solution, 8.5 grams of titanium dioxide, 0.5 grams of Madaaflow, 0.5 grams of methyl ethyl ketone, mix them evenly and grind them with a ball mill to make the particle size ≤ 10um; take 40 grams The acrylate resin solution was added to the ground mixture, dispersed in 2000 grams of water at 15°C, filtered and washed with water to obtain a filter cake with a solid content of 50%, with an average particle size of 100um; filter 100 grams The cake, 0.3 Emulgen 930, and 0.2 g thickener were ground with a sand mill to obtain a coating.

[0039] Among them, the components of the acrylic resin solutio...

Embodiment 2

[0044] A polyester-modified acrylate resin water-based paint, its formula is composed of 90 grams of acrylate resin solution, 8.5 grams of silica, 0.5 grams of Madaaflow leveling agent, 0.5 grams of xylene, and 0.3 grams of non-silicone dispersant , Thickener 0.2 grams.

[0045] The preparation method of the polyester-modified acrylate resin water-based paint is to take 50 grams of acrylate resin solution, 8.5 grams of silica, 0.5 grams of Madaaflow, and 0.5 grams of xylene, mix them evenly and grind them with a ball mill to make the particle size ≤10um; Take 40 grams of acrylate resin solution and add it to the ground mixture, and disperse it in 2000 grams of water at 18°C. After filtering and washing with water, a filter cake with 50% solid content and an average particle size of 100um is obtained; 100 grams of filter cake, 0.3 grams of non-silicone dispersant, and 0.2 grams of thickener were ground with a sand mill to prepare paint.

[0046] Among them, the components of the ac...

Embodiment 3

[0051] A polyester-modified acrylate resin water-based paint, and its formula is composed of 95 grams of acrylate resin solution and 5 grams of titanium dioxide.

[0052] The preparation method of the polyester-modified acrylate resin water-based paint is to take 50 grams of acrylate resin solution and 5 grams of titanium dioxide, mix them evenly and grind them with a ball mill to make the particle size ≤ 8um; take 45 grams of acrylate resin solution and add to the ground The latter mixture was dispersed in 2000 grams of water at 12°C, filtered and washed with water to obtain a filter cake with a solid content of 50%, with an average particle size of 95um; 100 grams of filter cake was ground with a sand mill to obtain coating.

[0053] Among them, the components of the acrylic resin solution are: 10 grams of methyl methacrylate, 10 grams of ethyl methacrylate, 5 grams of propyl methacrylate, 5 grams of butyl methacrylate, and 5 grams of pentyl methacrylate. , 10 grams of styrene, ...

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Abstract

The invention relates to a polyester-modified acrylate resin aqueous paint. The paint is prepared from components of, by weight: 75 to 95% of an acrylate resin solution, 5 to 15% of a filing material, 0 to 5% of a leveling agent, 0 to 5% of a solvent, 0 to 2% of a dispersant, and 0 to 5% of a thickening agent. The invention provides an aqueous paint with good glossiness, good hardness and good impact strength. The invention also provides a preparation method of the paint. The aqueous paint has advantages of simple preparation method, common raw materials, low cost, and suitability for industrialized productions.

Description

1. Technical Field [0001] The invention belongs to the field of polymer materials and their preparation, and relates to a polyester modified acrylic resin water-based paint and a preparation method thereof. 2. Background technology [0002] With the rapid development of coating technology, coatings are more and more widely used in industry, life and other fields, and the requirements for coatings in terms of environmental protection are becoming more and more stringent. At present, the coatings used on the surface of metal materials on the market have the characteristics of strong adhesion and good chemical resistance, but generally have the defects of dim gloss, poor hardness and impact resistance, which greatly affect the appearance quality and Appearance image. Therefore, the development of a coating and its constituent compounds with good gloss, high hardness and impact resistance has become an urgent need in the industry. 3. Summary of the invention [0003] The technical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D7/12B05D7/24B05D5/00
Inventor 吕运征陈子路
Owner HUNAN SNTO NANOMETER NEW MATERIALS CO LTD
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