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Waterborne multicolor architectural coating with super resistance to wipe and resistance to stains and preparation method of waterborne multicolor architectural coating

A technology for architectural coatings and stain resistance, which is applied in the direction of antifouling/underwater coatings, coatings, paints containing biocides, etc., and can solve problems such as unspecified requirements for scrub resistance, residual coating stains, and large coating damage

Pending Publication Date: 2019-01-18
上海三银涂料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology is mainly cleaning after the coating is polluted. As the concentration of pollutants in the air rises, the cleaning cycle is getting shorter and shorter.
A large amount of cleaning agent is used in the cleaning process, causing great damage to the coating
At the same time, repeated cleaning of the existing coating will greatly damage the coating, and there is a great risk in the long-term aging resistance of the coating
However, water-based colorful architectural coatings are composite coatings. In my country, the current composite coatings do not have technical requirements for stain resistance, and HG / T 4343-2012 "Water-based Colorful Architectural Coatings" does not specify the scrub resistance requirements for this type of products.
With the continuous enrichment of the types of pollutants in the air, the existing cleaning agents can no longer clean all the stains, resulting in residual stains on the coating after cleaning, resulting in a significant decline in the decorative effect of the coating
[0004] The types of stains on building walls are closely related to the use environment. The existing stain-resistant coatings on the market are often developed for interior wall coatings, especially children’s interior wall coatings. The types of stains are quite limited. Existing detection technology It is also only a simulation test. Although this test method has a certain relationship with the removal ability of some stains, because the removal ability of the same wiping or cleaning medium to different stains is different, the same stain has different effects on different wiping or cleaning media. There are great differences in compatibility, so there is no one-to-one correspondence between different stains and wiping or cleaning media
[0005] The existing stain-resistant coatings on the market will leave traces after being wiped. The protective and decorative effects of the coating on the building will gradually lose their decorative properties over time and after repeated wiping. Some water-based colorful buildings The coating composite coating contains lipophilic additives, which is not conducive to repeated wiping of the coating

Method used

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  • Waterborne multicolor architectural coating with super resistance to wipe and resistance to stains and preparation method of waterborne multicolor architectural coating
  • Waterborne multicolor architectural coating with super resistance to wipe and resistance to stains and preparation method of waterborne multicolor architectural coating
  • Waterborne multicolor architectural coating with super resistance to wipe and resistance to stains and preparation method of waterborne multicolor architectural coating

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Experimental program
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Effect test

preparation example Construction

[0085] The present invention also provides a method for preparing the above-mentioned super-scratch-resistant and stain-resistant water-based colorful architectural coating, wherein the preparation method comprises the following steps: according to the conventional preparation method of water-based colorful architectural coating in the art, the raw materials All the components in the formula can be mixed evenly.

[0086] In the specific embodiment of the present invention, described preparation method is preferably carried out according to the following steps:

[0087] (1) According to the formula of the continuous phase, the described continuous phase emulsion, deionized water, multifunctional auxiliary agent, film-forming auxiliary agent, bactericide, defoamer, thickener, antifreeze agent, alkyl polyglycoside, The ultraviolet absorber is mixed to obtain the continuous phase;

[0088] (2) According to the formula of the dispersed phase, the dispersed phase emulsion, hydroxye...

Embodiment 1

[0140] The raw material formula (wt%) of the water-based multicolored architectural paint of ultra-resistant wipe and stain resistance:

[0141]

[0142]

[0143]

[0144] In the specific embodiment of the present invention, described preparation method is preferably carried out according to the following steps:

[0145] (1) The preparation method of the superrheological additive solution with a concentration of 5.0%: Superrheological additive powder according to the mass ratio: after deionized water: bactericide = 5.0:94.5:0.5 metering, the superrheological additive powder Slowly add the stirred deionized water, high shear for 30-60 minutes, make it fully moisten and swell to form a transparent liquid with good fluidity, slowly add the fungicide, stir and store in a dry, cool, well-ventilated, airtight plastic Store in a container made of high-quality materials and use it after standing for at least 24 hours. The storage period is 12 months.

[0146] (2) Continuous ...

Embodiment 2

[0157] The raw material formula (wt%) of the water-based multicolored architectural paint of ultra-resistant wipe and stain resistance:

[0158]

[0159]

[0160]

[0161] The preparation method comprises the following steps:

[0162] (1) The preparation method of the superrheological additive solution with a concentration of 5.0%: Superrheological additive powder according to the mass ratio: after deionized water: bactericide = 5.0:94.5:0.5 metering, the superrheological additive powder Slowly add the stirred deionized water, high shear for 30-60 minutes, make it fully moisten and swell to form a transparent liquid with good fluidity, slowly add the fungicide, stir and store in a dry, cool, well-ventilated, airtight plastic Store in a container made of high-quality materials and use it after standing for at least 24 hours. The storage period is 12 months.

[0163] (2) continuous phase preparation method

[0164] Stir the continuous phase emulsion at a medium speed of...

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Abstract

The invention relates to a waterborne multicolor architectural coating with super resistance to wipe and resistance to stains. The coating is prepared from a super rheological additive solution, a disperse phase and a continuous phase in a mass ratio being (320-330):(330-340):(350-395), wherein the mass concentration of the super rheological additive solution is 5.0%; the continuous phase containscontinuous phase emulsion, a coalescing agent, a bactericide, a multifunctional additive, a defoamer, an antifreezing agent, alkyl polyglucoside, an ultraviolet absorber and deionized water; the disperse phase contains disperse phase emulsion, hydroxyethyl cellulose, keratin, inorganic pigment, water-based color paste, cover packing, a dispersant, the defoamer, the multifunctional additive, the coalescing agent, the antifreezing agent, a thickener, a stabilizer, the super rheological additive solution with mass concentration being 5.0%, the bactericide and the deionized water; pH of the coating is 8.0-9.5. The invention further relates to a preparation method of the waterborne multicolor architectural coating.

Description

technical field [0001] The invention relates to the technical field of architectural coatings, in particular to a water-based colorful architectural coating, in particular to a water-based colorful architectural coating with super scratch resistance and stain resistance and a preparation method thereof. Background technique [0002] Water-based colorful architectural paint is a water-in-water type colorful paint made by dispersing water-based colored colloidal particles in a system composed of water-based film-forming substances, pigments and fillers, water, additives, etc. It can obtain the decorative effect of imitating the appearance of granite, marble, wallpaper, etc., and form a three-dimensional composite coating with a matching system such as primer, mid-coat, and overcoat varnish (or not). [0003] As a new type of architectural coating product developed in recent years, water-based colorful architectural coatings are widely used in architectural engineering decorati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/00C09D133/04C09D5/16C09D7/61C09D7/62C09D7/65
CPCC08K2003/2241C08L2205/02C08L2205/035C09D5/1687C09D201/00C08L33/04C08L1/284C08L89/00C08K13/06C08K3/22C08K3/34C08K3/346
Inventor 马安荣池钟慷郑巧玲梁乃文
Owner 上海三银涂料科技股份有限公司
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