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High and low temperature resistant coating

A technology of high and low temperature resistance and coating, which is applied in the field of coatings, can solve the problems of water-based coatings that cannot meet the high and low temperature resistance, achieve good corrosion resistance, increase high and low temperature resistance, and increase the effect of mechanical properties

Inactive Publication Date: 2016-08-03
WUHU SHUANGBAO BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the rapid development of industry, people have higher and higher requirements for the performance of water-based coatings. The high and low temperature resistance of water-based coatings can no longer meet the needs of industrial development. Therefore, it is necessary to provide a new coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of high and low temperature resistant coating, its raw material comprises by weight: modified acrylic resin emulsion 50 parts, solid content is 50wt% aqueous polyurethane emulsion 20 parts, water 15 parts, propylene glycol butyl ether 2 parts, montmorillonite 20 parts, kaolin 10 parts, 2 parts sodium lauryl sulfonate, 2 parts lauryl dimethyl phosphate betaine, 0.05 parts polyoxyethylene polyoxypropylene pentaerythritol ether, 0.04 parts polydimethylsiloxane, wetting Agent Tego2700.4 parts, leveling agent 0.2 parts, polyacrylamide 0.4 parts, polyvinyl alcohol 0.1 parts, benzisothiazolinone 0.05 parts;

[0023] Wherein, in the preparation process of the modified acrylic resin emulsion, take pH = 2, the mass fraction of silicon dioxide is 30wt% of the silica sol, the temperature is raised to 40°C, and the mass fraction of 3wt% γ-methacryloyl Oxypropyltrimethoxysilane ethanol aqueous solution, heat preservation and stirring at a speed of 300r / min for 6h, heat preserv...

Embodiment 2

[0025] A kind of high and low temperature resistant coating, its raw material comprises by weight: modified acrylic resin emulsion 70 parts, solid content is 40wt% aqueous polyurethane emulsion 30 parts, water 10 parts, propylene glycol butyl ether 3 parts, montmorillonite 15 parts, kaolin 15 parts, 1 part of sodium lauryl sulfonate, 3 parts of betaine dodecyl dimethyl phosphate, 0.03 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 0.06 parts of polydimethylsiloxane, wetting Agent Tego2700.3 parts, leveling agent 0.3 parts, polyacrylamide 0.3 parts, polyvinyl alcohol 0.2 parts, benzisothiazolinone 0.03 parts;

[0026]Wherein, in the preparation process of the modified acrylic resin emulsion, take pH = 4, the mass fraction of silicon dioxide is 25wt% silica sol, the temperature is raised to 50°C, and the mass fraction is 1wt% γ-methacryloyl Oxypropyltrimethoxysilane ethanol aqueous solution, heat preservation and stirring at a speed of 500r / min for 4h, heat pre...

Embodiment 3

[0028] A kind of high and low temperature resistant coating, its raw material comprises by weight: modified acrylic resin emulsion 55 parts, solid content is 48wt% aqueous polyurethane emulsion 22 parts, water 13 parts, propylene glycol butyl ether 2.2 parts, montmorillonite 19 parts, kaolin 12 parts, 1.7 parts of sodium lauryl sulfonate, 2.2 parts of betaine dodecyl dimethyl phosphate, 0.045 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 0.045 parts of polydimethylsiloxane, wetting Agent Tego2700.37 parts, leveling agent 0.23 parts, polyacrylamide 0.38 parts, polyvinyl alcohol 0.12 parts, benzisothiazolinone 0.045 parts;

[0029] Wherein, in the preparation process of the modified acrylic resin emulsion, take pH = 2.5, the mass fraction of silicon dioxide is 28wt% silica sol, the temperature is raised to 43°C, and the mass fraction is 2.5wt% γ-methylpropene Aqueous solution of acyloxypropyltrimethoxysilane ethanol, heat preservation and stirring at a speed o...

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Abstract

The invention discloses a high and low temperature resistant coating which comprises the following raw materials in parts by weight: 50-70 parts of a modified acrylic resin emulsion, 20-30 parts of a waterborne polyurethane emulsion, 10-15 parts of water, 2-3 parts of propanediol butyl ether, 15-20 parts of montmorillonite, 10-15 parts of kaolin, 1-2 parts of sodium dodecyl sulfonate, 2-3 parts of dodecyl dimethyl phosphate betaine, 0.03-0.05 part of pentaerythritol polyoxyethylene polyoxypropylene ether, 0.04-0.06 part of polydimethylsiloxane, 0.3-0.4 part of a wetting agent Tego270, 0.2-0.3 part of a flatting agent, 0.3-0.4 part of polyacrylamide, 0.1-0.2 part of polyvinyl alcohol and 0.03-0.05 part of benzisothiazolone. The high and low temperature resistant coating disclosed by the invention is good in high and low temperature resistance, good in water resistance, high in mechanical property and good in corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a high and low temperature resistant coating. Background technique [0002] Traditional coatings use organic substances as solvents, which will release volatile organic substances during processing and production, which will pollute the environment. Water-based coatings use water as a solvent, and are environmentally friendly, energy-saving, safe, and easy to use, and have developed rapidly in various countries. However, with the rapid development of industry, people have higher and higher requirements for the performance of water-based coatings. The high and low temperature resistance of water-based coatings can no longer meet the needs of industrial development, so a new coating needs to be provided. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a high and low temperature resistant coating, wh...

Claims

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Application Information

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IPC IPC(8): C09D151/10C09D175/04C09D5/08C09D5/14C09D7/12C08F292/00C08F220/18C08F220/06C08F212/08C08F220/22
CPCC08F292/00C08K2201/014C08L2201/08C08L2205/035C09D5/08C09D5/14C09D5/18C09D7/61C09D7/63C09D7/65C09D151/10C08L75/04C08K13/02C08K3/346C08K5/42C08K5/06C08K5/46C08F220/1804
Inventor 胡昌悌
Owner WUHU SHUANGBAO BUILDING MATERIAL
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