Anti-mildew outer wall coating good in elasticity and preparation method thereof

An exterior wall coating and elastic technology, applied in antifouling/underwater coatings, coatings, paints containing biocides, etc., can solve problems such as easy mildew, poor mildew resistance, and brittle coatings, and achieve improved The effect of service life, beautiful appearance, and good anti-mildew performance

Inactive Publication Date: 2017-08-29
FOSHAN LINGXIN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing exterior wall coatings do not perform well in terms of mildew resistance, and mildew is prone to occur in the rainy season, which affects the appearance of the building, and the existing exterior wall coatings are more brittle due to more fillers, which affects the coating. layer lifetime

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A mildew-proof and elastic exterior wall paint, which is composed of the following raw materials in parts by weight: 100 parts of acrylic emulsion, 40 parts of acrylic rubber, 29 parts of liquid nitrile rubber, 12 parts of butyl acrylate, and propylene glycol methyl ether acetate 10 parts, 13 parts of zinc naphthenate, 10 parts of hydroxyethyl cellulose, 3 parts of vinyl bisstearamide, 4 parts of leveling agent, 7 parts of sodium alkyl succinate sulfonate, polyoxyethylene polyoxyethylene 2 parts of propylene pentaerythritol ether, 30 parts of rutile titanium dioxide, 18 parts of kaolin. Wherein, the leveling agent is an alkyl modified organosiloxane.

[0027] In this embodiment, the method for preparing the mold-proof and elastic exterior wall paint includes the following steps:

[0028] 1) Weigh the kaolin, put it into a calciner, calcine at 630°C for 1 hour, discharge the material, and cool it naturally to obtain calcined kaolin;

[0029] 2) Weigh propylene glycol methyl e...

Embodiment 2

[0037] A mildew-proof and flexible exterior wall paint, which is composed of the following raw materials in parts by weight: 101 parts of acrylic emulsion, 41 parts of acrylic rubber, 30 parts of liquid nitrile rubber, 15 parts of butyl acrylate, and propylene glycol methyl ether acetate 13 parts, 15 parts of zinc naphthenate, 11 parts of hydroxyethyl cellulose, 4 parts of vinyl bisstearamide, 5 parts of leveling agent, 9 parts of sodium alkyl succinate sulfonate, polyoxyethylene polyoxyethylene 4 parts of propylene pentaerythritol ether, 34 parts of rutile titanium dioxide, and 19 parts of kaolin. Wherein, the leveling agent is terminal modified silicone.

[0038] In this embodiment, the method for preparing the mold-proof and elastic exterior wall paint includes the following steps:

[0039] 1) Weigh out the kaolin, put it into a calciner, calcine at 635°C for 1 hour, discharge the material, and cool it naturally to obtain calcined kaolin;

[0040] 2) Weigh propylene glycol methy...

Embodiment 3

[0048] An anti-mildew and elastic exterior wall paint, which is composed of the following raw materials in parts by weight: 103 parts of acrylic emulsion, 42 parts of acrylic rubber, 31 parts of liquid nitrile rubber, 13 parts of butyl acrylate, and propylene glycol methyl ether acetate 12 parts, 15 parts of zinc naphthenate, 11 parts of hydroxyethyl cellulose, 5 parts of vinyl bisstearamide, 6 parts of leveling agent, 9 parts of sodium alkyl succinate sulfonate, polyoxyethylene polyoxyethylene 3 parts of propylene pentaerythritol ether, 32 parts of rutile titanium dioxide, and 20 parts of kaolin. Wherein, the leveling agent is a combination of alkyl-modified organosiloxane and terminal group-modified organosilicon in a weight ratio of 2:1.

[0049] In this embodiment, the method for preparing the mold-proof and elastic exterior wall paint includes the following steps:

[0050] 1) Weigh the kaolin, put it into a calcination furnace, calcinate at 640°C for 1.5 hours, discharge the ...

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PUM

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Abstract

The invention discloses anti-mildew outer wall coating good in elasticity and a preparation method thereof. The anti-mildew outer wall coating comprises, by weight, 100-105 parts of acrylic emulsion, 40-45 parts of acrylate rubber, 29-33 parts of liquid nitrile butadiene rubber, 12-16 parts of butyl acrylate, 10-14 parts of propylene glycol methyl ether acetate, 13-16 parts of zinc naphthenate, 10-13 parts of hydroxyethyl cellulose, 3-6 parts of vinyl distearamide, 4-8 parts of flatting agent, 7-10 parts of alkyl succinate sodium sulfonate, 2-5 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 30-35 parts of rutile titanium dioxide and 18-22 parts of kaolin. The prepared outer wall coating is good in anti-mildew performance and has certain elasticity, and the service life of the coating is prolonged.

Description

Technical field [0001] The invention relates to the technical field of wall coatings, in particular to a mold-proof and flexible exterior wall coating and a preparation method thereof. Background technique [0002] Latex paint is a chemical mixture paint that can firmly cover the surface of objects for protection, decoration, marking and other special purposes. Its general ingredients include film-forming substances, pigments, solvents and additives. The authoritative paint technology book in China’s paint industry defines it as follows: “A paint is a material that can be coated on the surface of an object with different construction techniques to form a solid film that adheres firmly, has a certain strength, and is continuous. The film formed in this way is generally called a coating film, also known as a paint film or a coating." Therefore, the coating is an organic chemical polymer material, and the formed coating film is a type of polymer compound. According to the modern cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/14C09D7/12
CPCC09D4/06C09D5/14C09D7/61C09D7/63
Inventor 吴道祥吴道民黄莹张庆全冯奋
Owner FOSHAN LINGXIN INFORMATION TECH CO LTD
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