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High weather resistance water-based wall coating and preparation method thereof

A water-based, weather-resistant technology, used in reflective/signal coatings, coatings, etc., can solve problems such as poor weather resistance, and achieve the effect of improving ozone aging resistance and optimal ozone aging resistance.

Active Publication Date: 2017-10-17
广东顺德石头彩涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coating mainly uses ultraviolet absorbers to improve the weather resistance of the coating. However, the weather resistance of architectural coatings depends on many factors, and UV aging resistance is only one of them. The resulting aging effect cannot be ignored either. The surface of the coating is not ideal in terms of ozone aging resistance and infrared reflection, so the overall weather resistance effect is not good

Method used

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  • High weather resistance water-based wall coating and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0027] High weather-resistant water-based wall paint, in parts by weight, is made of the following components: 32 parts of pure acrylic emulsion, 20 parts of PEVE emulsion, 8 parts of CPVC, 6 parts of nano-titanium dioxide, 12 parts of mica powder, and 17 parts of deionized water 0.2 parts of non-ionic alkyl vinyl ether, 0.4 parts of sodium tripolyphosphate, 2 parts of dodecyl alcohol esters, 0.2 parts of alginate, 0.3 parts of isothiazolinone derivatives, 0.5 parts of ethylene glycol, doped with aluminum 9 parts of zinc oxide.

[0028] The steps of its preparation method are as follows:

[0029] (1) Put aluminum-doped zinc oxide in an oven, dry at 110°C for 2 hours, dissolve sodium polyacrylate in water, heat to 90°C and stir evenly to obtain a modified solution, add the dried aluminum-doped zinc oxide In the modified solution, adjust the pH value to 4.5 with acetic acid, react at a constant temperature of 90°C for 2 hours, filter the product with suction and wash it repeate...

Embodiment 2

[0033] High weather-resistant water-based wall paint, in parts by weight, is made of the following components: 30 parts of pure acrylic emulsion, 24 parts of PEVE emulsion, 9.5 parts of CPVC, 4.5 parts of nano-titanium dioxide, 14 parts of silicon micropowder, and 20 parts of deionized water 0.3 parts, 0.3 parts of non-ionic alkyl vinyl ether, 0.3 parts of sodium tripolyphosphate, 2.2 parts of dodecyl alcohol ester, 0.4 parts of alginate, 0.2 parts of isothiazolinone derivatives, 0.6 parts of ethylene glycol, doped with aluminum 11 parts of zinc oxide.

[0034] The steps of its preparation method are as follows:

[0035] (1) Put aluminum-doped zinc oxide in an oven, dry at 110°C for 2 hours, dissolve sodium polyacrylate in water, heat to 90°C and stir evenly to obtain a modified solution, add the dried aluminum-doped zinc oxide In the modified solution, adjust the pH value to 4.5 with acetic acid, react at a constant temperature of 90°C for 2 hours, filter the product with su...

Embodiment 3

[0039] High weather-resistant water-based wall paint, in parts by weight, is made of the following components: 35 parts of pure acrylic emulsion, 22 parts of PEVE emulsion, 10 parts of CPVC, 4 parts of nano-titanium dioxide, 11 parts of silicon micropowder, and 16 parts of deionized water 0.4 parts of non-ionic alkyl vinyl ether, 0.5 parts of sodium tripolyphosphate, 2.4 parts of dodecyl alcohol ester, 0.6 parts of alginate, 0.1 part of isothiazolinone derivatives, 0.5 parts of ethylene glycol, doped with aluminum 13 parts of zinc oxide.

[0040] The steps of its preparation method are as follows:

[0041] (1) Put aluminum-doped zinc oxide in an oven, dry at 110°C for 2 hours, dissolve sodium polyacrylate in water, heat to 90°C and stir evenly to obtain a modified solution, add the dried aluminum-doped zinc oxide In the modified solution, adjust the pH value to 4.5 with acetic acid, react at a constant temperature of 90°C for 2 hours, filter the product with suction and wash ...

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Abstract

The invention provides a high-weatherability aqueous wall coating. The high-weatherability aqueous wall coating is prepared from, by weight, 30-38 parts of a pure acrylic emulsion, 18-24 parts of a PEVE emulsion, 8-10 parts of CPVC, 4-6 parts of a pigment, 10-16 parts of a filler, 15-21 parts of water, 0.2-0.4 parts of a wetting agent, 0.2-0.5 parts of a dispersant, 2-2.5 parts of a film forming assistant, 0.1-0.6 parts of a thickener, 0.1-0.3 parts of a mildew inhibitor, 0.5-0.6 parts of glycol and 9-14 parts of aluminum doped zinc oxide. The invention also provides a preparation method of the high-weatherability aqueous wall coating. The high-weatherability aqueous wall coating has the advantages of very good ozone ageing resistance, very good infrared reflection performance, and very good weatherability.

Description

Technical field: [0001] The invention relates to a wall paint, in particular to a high weather resistance water-based wall paint and a preparation method thereof. Background technique: [0002] Wall coating refers to the coating used for decoration and protection of building walls, making the building walls beautiful and tidy, and at the same time protecting the building walls and prolonging their service life. According to the classification of building walls, wall coatings include interior wall coatings and exterior wall coatings. Interior wall paint focuses on decoration and environmental protection, while exterior wall paint focuses on protection and durability. In addition to its own decorative and protective functions, wall paint is also developing towards a colorful, fashionable, healthy and environmentally friendly trend. People hope that the decorative effect will be radiant, beautiful, noble, elegant, romantic, and warm; they also hope that the material itself is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D127/12C09D127/24C09D5/33C09D7/12
CPCC08K2201/011C08L2205/02C08L2205/035C09D5/004C09D7/61C09D7/63C09D7/65C09D133/04C08L27/12C08L27/24C08L5/04C08K13/06C08K9/08C08K2003/2296C08K2003/2241C08K5/053
Inventor 谢永忠
Owner 广东顺德石头彩涂料有限公司
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