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Environment-friendly coating for exterior wall and preparation method thereof

An environmentally friendly coating and exterior wall technology, which is applied in the direction of anti-corrosion coatings, cellulose coatings, polyurea/polyurethane coatings, etc., can solve the problems of long drying time, large weather influence, and impact on engineering, so as to improve anti-aging performance and durability. Effects of abrasion resistance, enhanced adhesion, and enhanced service life

Inactive Publication Date: 2020-02-28
青川源泰建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the drying time of the paint is long, and it is greatly affected by the weather, which will affect the progress of subsequent projects.

Method used

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  • Environment-friendly coating for exterior wall and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of external wall environmental protection coating, comprises the raw material of following weight part: 40 parts of acrylic emulsion, 20 parts of polyether polyol, 20 parts of filler, 10 parts of carboxymethyl betaine, 5 parts of isocyanate, 5 parts of ceramic fiber, nanometer dioxide 5 parts of silicon, 5 parts of surfactant, 3 parts of plasticizer, 1 part of desiccant, 1 part of anti-aging agent, 0.5 part of nano zinc oxide;

[0029] Wherein, the filler is a mixture of nano-carbon black, nano-wollastonite, and nano-barium sulfate in a weight ratio of 1:1:1;

[0030] Wherein, the plasticizer is a mixture composed of methyl methacrylate, tricresyl phosphate, and vinyl acetate in a mass ratio of 1:1:1.

[0031] Wherein, the desiccant is composed of the following raw materials in parts by weight: 30 parts of propylene glycol diacetate, 25 parts of polyacrylate polymer, 10 parts of nano-microcrystalline cellulose, and 3 parts of yttrium sulfate;

[0032] Wherein, t...

Embodiment 2

[0037] An environmentally friendly coating for exterior walls, comprising the following raw materials in parts by weight: 50 parts of acrylic emulsion, 20 parts of polyether polyol, 20 parts of filler, 20 parts of carboxymethyl betaine, 10 parts of isocyanate, 10 parts of ceramic fiber, nanometer dioxide 5 parts of silicon, 5 parts of surfactant, 3 parts of plasticizer, 3 parts of desiccant, 1 part of anti-aging agent, 1 part of nano zinc oxide;

[0038] Wherein, the filler is a mixture of nano-carbon black, nano-wollastonite, and nano-barium sulfate in a weight ratio of 3:1:1;

[0039] Wherein, the plasticizer is a mixture composed of methyl methacrylate, tricresyl phosphate, and vinyl acetate in a mass ratio of 1:1:1.

[0040] Wherein, the desiccant is composed of the following raw materials in parts by weight: 30 parts of propylene glycol diacetate, 25 parts of polyacrylate polymer, 10 parts of nano-microcrystalline cellulose, and 3 parts of yttrium sulfate;

[0041] Where...

Embodiment 3

[0046] A kind of external wall environmental protection paint, comprises the raw material of following weight part: 45 parts of acrylic emulsion, 25 parts of polyether polyol, 25 parts of filler, 15 parts of carboxymethyl betaine, 8 parts of isocyanate, 6 parts of ceramic fiber, nanometer dioxide 6 parts of silicon, 6 parts of surfactant, 5 parts of plasticizer, 2 parts of desiccant, 2 parts of anti-aging agent, 1 part of nano zinc oxide;

[0047] Wherein, the filler is a mixture of nano carbon black, nano wollastonite, and nano barium sulfate in a weight ratio of 3:3:1;

[0048] Wherein, the plasticizer is a mixture composed of methyl methacrylate, tricresyl phosphate, and vinyl acetate in a mass ratio of 1:1:1.

[0049] Wherein, the desiccant is composed of the following raw materials in parts by weight: 30 parts of propylene glycol diacetate, 25 parts of polyacrylate polymer, 10 parts of nano-microcrystalline cellulose, and 3 parts of yttrium sulfate;

[0050] Wherein, the...

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Abstract

The invention belongs to the technical field of environment-friendly coatings and relates to an environment-friendly coating for an exterior wall and a preparation method thereof. The environment-friendly coating for the exterior wall comprises the following raw materials in parts by weight: 40 to 50 parts of an acrylic emulsion, 20-30 parts of polyether polyol, 20-30 parts of a filler, 10-20 parts of carboxymethyl betaine, 5-10 parts of isocyanate, 5-10 parts of ceramic fibers, 5-10 parts of nanometer silicon dioxide, 5-8 parts of a surfactant, 3-6 parts of a plasticizer, 1-3 parts of a drying agent, 1-2 parts of an anti-aging agent and 0.5-1 part of an anti-ultraviolet agent, wherein the anti-aging agent is prepared from zirconium oxide, nanometer titanium dioxide and modified graphene according to a mass ratio of (10-5): (4-8): 1. The environment-friendly coating is non-toxic, odorless, green and safe, has good elasticity, flexibility, waterproofness, aging resistance, abrasion resistance and ultraviolet resistance, short curing time, good hardness and long service life, can be directly painted, and is convenient to operate and applicable to exterior walls.

Description

technical field [0001] The invention belongs to the technical field of environmental protection coatings, and relates to an environmental protection coating for exterior walls and a preparation method thereof. Background technique [0002] Paint is a liquid or fixed material that forms a thin film on the surface of the object to be protected or decorated to protect, decorate and specific functions. With the development of the economy, paint is used in industry and agriculture, national defense, scientific research and people It has been widely used in daily life. With the development of industry, the variety of coatings is increasing, and the quality and performance are constantly improving. People's functional requirements for coatings are also getting higher and higher. [0003] Exterior wall coatings are mainly used to paint the exterior of buildings. They can protect the exterior walls from damage from various external environments and beautify the exterior walls. They ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/08C09D133/04C09D101/04C09D7/61C09D7/62C09D5/08C09D7/63C09D7/65C08G18/63C08G18/42C08G18/28
CPCC08G18/285C08G18/4063C08G18/42C08G18/6225C08K2003/2241C08K2003/2244C08K2003/2296C08K2003/3045C08K2201/011C08L2201/08C09D5/08C09D175/08C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70C08L33/04C08L1/04C08K13/06C08K9/12C08K7/04C08K3/36C08K3/30C08K5/103C08K3/22C08K9/08C08K3/042
Inventor 张大文
Owner 青川源泰建材科技有限公司
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