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Preparation method and application of high-abrasion-resistant exterior wall coating

An exterior wall coating, high wear resistance technology, used in epoxy resin coatings, coatings and other directions, can solve the problems of easy cracking, coating failure, peeling, etc., to achieve good application prospects, improve performance, adhere to Strong effect

Inactive Publication Date: 2018-07-27
FOSHAN FEISHIDA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, exterior wall coatings have been exposed to the natural environment for a long time, and have been subjected to wind, sun, salt spray corrosion, rain, cold and heat changes, etc. Under the long-term repeated effects of these harsh external natural environments, especially sunlight Strong irradiation, a large number of photons will continuously impact the molecular structure of the coating, which will cause the coating to fail
The coating is prone to cracking, powdering, peeling, discoloration and other phenomena, which makes the coating lose its original decorative protection function
Moreover, the exterior wall coating itself also has quality problems such as poor stain resistance, poor wear resistance, easy scratches, poor adhesion, and easy falling off.

Method used

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  • Preparation method and application of high-abrasion-resistant exterior wall coating
  • Preparation method and application of high-abrasion-resistant exterior wall coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) After mixing 7 parts of ferric oxide and 6 parts of titanium dioxide, the mixture powder is obtained by preliminary crushing, then 12 parts of sodium tetraborate is added to the mixture powder and stirred evenly, transferred to a ball mill for full ball milling, and the ball material processed by ball milling The ratio is 12:1, the rotating speed of the ball mill is 2000 rpm, and the ball milling time is 90 minutes to obtain a preliminary mixture;

[0023] (2) Put the preliminary mixture obtained in step (1) into a drying oven, adjust the temperature in the drying oven to 75° C., and continue drying at this temperature for 8 hours to obtain a dry mixture;

[0024] (3) 55 parts of bisphenol A epoxy resin, 50 parts of melamine formaldehyde resin, 25 parts of lauryl dimethyl amine oxide, and 10 parts of methyl ethyl ketone peroxide are placed in the reactor, and then the dry mixture obtained in step (2) Put it into the reaction kettle, adjust the temperature of the rea...

Embodiment 2

[0029] (1) After mixing 8 parts of ferric oxide and 7 parts of titanium dioxide, the mixture powder is obtained by preliminary crushing, and then 14 parts of sodium tetraborate are added to the mixture powder and stirred evenly, transferred to a ball mill for full ball milling, and the ball material processed by ball milling The ratio is 12:1, the rotating speed of the ball mill is 2500 rpm, and the ball milling time is 105 minutes to obtain a preliminary mixture;

[0030] (2) Put the preliminary mixture obtained in step (1) into a drying oven, adjust the temperature in the drying oven to 80° C., and continue drying at this temperature for 10 hours to obtain a dry mixture;

[0031] (3) 60 parts of bisphenol A epoxy resin, 55 parts of melamine formaldehyde resin, 30 parts of lauryl dimethyl amine oxide, and 11 parts of methyl ethyl ketone peroxide are placed in the reactor, and then the dry mixture obtained in step (2) Put it into the reaction kettle, adjust the temperature of ...

Embodiment 3

[0036](1) After mixing 9 parts of ferric oxide and 8 parts of titanium dioxide, the mixture powder is obtained by preliminary crushing, then 16 parts of sodium tetraborate is added to the mixture powder and stirred evenly, transferred to a ball mill for full ball milling, and the ball material processed by ball milling The ratio is 12:1, the rotating speed of the ball mill is 3000 rpm, and the ball milling time is 120 minutes to obtain a preliminary mixture;

[0037] (2) Put the preliminary mixture obtained in step (1) into a drying oven, adjust the temperature in the drying oven to 85° C., and continue drying at this temperature for 12 hours to obtain a dry mixture;

[0038] (3) 65 parts of bisphenol A epoxy resin, 60 parts of melamine formaldehyde resin, 35 parts of lauryl dimethyl amine oxide, and 12 parts of methyl ethyl ketone peroxide are placed in the reactor, and then the dry mixture obtained in step (2) Put it into the reaction kettle, adjust the temperature of the re...

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Abstract

The invention discloses a preparation method and application of a high-abrasion-resistant exterior wall coating. The preparation emthod comprises the following steps: mixing ferroferric oxide and titanium dioxide powder, then carrying out primary crushing, adding sodium tetraborate, carrying out full ball milling to obtain a primary mixture, carrying out drying, adding bisphenol A epoxy resin, melamine formaldehyde resin, lauryl dimethyl amine oxide and methyl ethyl ketone peroxide into a reaction kettle, carrying out a high-temperature stirring reaction with the dried mixture, then adding dimethyl silicon oil and absolute ethanol into the high-temperature reaction product, adjusting the pH, carrying out ultrasonic dispersion, finally mixing the ultrasonic dispersion product with a leveling agent and a thickening agent together, then carrying out water bath treatment, cooling the product, and regulating the pH value to obtain a finished product coating. The prepared high-abrasion-resistant exterior wall coating has strong adhesive force and good wear resistance, and has a good application prospect in architectural decoration engineering.

Description

technical field [0001] The invention relates to the technical field of paint development, in particular to a preparation method and application of a high wear resistance exterior wall paint. Background technique [0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, and adding corresponding Additives, viscous liquids prepared with organic solvents or water. It can cover various defects on the coated surface to make it beautiful, that is, decorative; it can control moisture, isolate corrosive gases such as carbon dioxide, sulfur dioxide, and hydrogen chloride in the air, and prevent the climate from affecting the coated object and the metal substrate. The material is rusted, that is, it has a protective function; it can give various colors to the surface of the coated object, and has a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D161/28C09D7/61C09D7/63C09D7/65
Inventor 付小东
Owner FOSHAN FEISHIDA NEW MATERIAL TECH CO LTD
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