Real stone paint for building exterior wall and preparation method thereof

A technology for building exterior walls and real stone paint, which is applied to biocide-containing paints, coatings, antifouling/underwater coatings, etc., which can solve the problem of damage to the bond strength of real stone paint, sand loss on the surface of real stone paint, and non-dense paint film and other problems, to achieve the effect of improving stain resistance, improving smoothness, and ensuring stain resistance

Active Publication Date: 2022-03-25
萱威(厦门)涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the use time increases, and the real stone paint coated on the exterior wall of the building is exposed to the sun and eroded by wind and rain for a long time, the bond strength of the real stone paint will be damaged, which will cause the surface of the real stone paint to be prone to sanding The phenomenon
Since the original surface microstructure of real stone paint is uneven and the paint film is not dense, and the sand is dropped, solid particles such as dust are easy to accumulate on the surface, resulting in the problem of contamination.

Method used

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  • Real stone paint for building exterior wall and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0069] Adhesion promoters are made by the following steps:

[0070] Step 1: Soak and dissolve 10 parts of ceramic particles in 2 parts of isopropanol and 0.8 part of polyvinylpyrrolidone, ball mill and disperse for 2 hours at a speed of 1500 r / min, and then stand and filter to obtain pretreated ceramic particles.

[0071] Step 2: Add 8 parts of silane coupling agent to 15 parts of polyurethane, slowly add 0.5 parts of acetic acid solution dropwise while stirring, divide the pretreated ceramic particles prepared in step 1 into 4 parts on average, and divide each part of pretreated ceramic particles in turn Add it at an interval of half an hour, and continue to stir at a stirring rate of 500r / min for 3 hours to obtain the adhesion promoter.

preparation example 2

[0073] Adhesion promoters are made by the following steps:

[0074] Step 1: Soak and dissolve 5 parts of ceramic particles in 1.5 parts of isopropanol and 0.1 part of polyvinylpyrrolidone, ball mill and disperse for 1 hour at a speed of 2000 r / min, then stand and filter to obtain pretreated ceramic particles.

[0075] Step 2: Add 3 parts of silane coupling agent to 8 parts of polyurethane, slowly add 0.5 parts of acetic acid solution dropwise while stirring, divide the pretreated ceramic particles prepared in step 1 into 3 parts on average, and divide each part of pretreated ceramic particles in turn Add it at an interval of half an hour, and continue to stir at a stirring rate of 800r / min for 5 hours to obtain the adhesion promoter.

preparation example 3

[0077] Adhesion promoters are made by the following steps:

[0078] Step 1: Soak and dissolve 8 parts of ceramic particles in 1 part of isopropanol and 0.5 part of polyvinylpyrrolidone. At a speed of 3000 r / min, disperse by ball milling for 1.5 hours, and then stand and filter to obtain pretreated ceramic particles.

[0079] Step 2: Add 5 parts of silane coupling agent to 25 parts of polyurethane, slowly add 0.5 parts of acetic acid solution dropwise while stirring, divide the pretreated ceramic particles prepared in step 1 into 6 parts on average, and divide each part of pretreated ceramic particles in turn Add it at an interval of half an hour, and continue to stir at a stirring rate of 700r / min for 6 hours to obtain the adhesion promoter.

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Abstract

The invention relates to the technical field of chemical coatings, more specifically, it relates to a real stone paint for building exterior walls and a preparation method thereof. A real stone paint for building exterior walls comprises acrylic acid emulsion, bone pigment, cellulose, ethylene glycol, water, titanium dioxide, adhesion promoter, film-forming aid, leveling agent and antioxidant; its preparation method is: water , cellulose, ethylene glycol, and dispersant, and then add acrylic emulsion, titanium dioxide, film-forming aids, leveling agents, antioxidants, and dispersants, and mix evenly to obtain a basic slurry. Finally, the basic slurry, bone Mix the high-quality pigment and the adhesion promoter evenly to get the real stone paint. The real stone paint for building exterior walls of the invention can be used for decorative coatings for building exterior walls, and has the advantage of stain resistance.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, more specifically, it relates to a real stone paint for building exterior walls and a preparation method thereof. Background technique [0002] In recent years, because the decorative effect of real stone paint is similar to that of marble and granite, buildings decorated with real stone paint have natural and real natural luster, giving people a sense of elegance, solemnity and harmony. Popular for decorative purposes. [0003] In related technologies, real stone paint is mainly a paint with decorative effect made of resin emulsion as film-forming substance, sand particles as aggregate, and various additives. As the use time increases, and the real stone paint coated on the exterior wall of the building is exposed to the sun and eroded by wind and rain for a long time, the bond strength of the real stone paint will be damaged, which will cause the surface of the real stone paint to be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D5/16C09D7/61C09D7/65C09D7/62C09D7/80
CPCC09D133/04C09D5/1618C09D5/1687C09D7/80C08K2003/2241C08L2205/03C08L75/04C08K9/08C08K9/04C08K3/00C08K3/22C08K3/36C08K3/346C08K13/06
Inventor 李保学
Owner 萱威(厦门)涂料有限公司
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