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Anti-doodling paint and preparation method thereof

An anti-graffiti and coating technology, used in anti-fouling/underwater coatings, coatings, paints containing biocides, etc., can solve the problems of building damage, time-consuming and laborious, and difficult to remove graffiti, and achieve rapid curing and film formation , high transparency, excellent stain resistance

Inactive Publication Date: 2019-03-01
深圳市溯元科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under normal circumstances, lime mortar or manual cleaning is used for buildings sprayed with painted patterns, which is time-consuming and labor-intensive, and will cause certain damage to the buildings
At present, the most effective anti-graffiti technology is to apply a layer of anti-graffiti paint on the surface of objects, making graffiti difficult or easy to remove

Method used

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  • Anti-doodling paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0064] A kind of preparation method of anti-graffiti paint, described preparation method comprises the following steps:

[0065] Take 85-97 parts of modified organic-inorganic hybrid resin, 0.5-3 parts of titanate, 0.5-5 parts of nano-titanium dioxide, 0.5-5 parts of nano-cerium dioxide, and disperse 0.5-3 parts of antifoaming agent, 0.1-1.5 parts of defoaming agent, 0.5-2 parts of coupling agent for standby;

[0066] Add 20-30 parts of modified organic-inorganic hybrid resin, titanate, nano-titanium dioxide, nano-ceria, dispersant, defoamer, and coupling agent into the dispersion tank respectively, and stir at 25-50°C Obtain the initial mixed solution evenly, and the stirring time is 5min-20min;

[0067] The initial mixed solution is placed in an ultrasonic disperser for ultrasonic dispersion to obtain a mixed solution, and the dispersion time is 1-2 hours;

[0068] The mixed solution is placed in a dispersion tank, the remaining modified organic-inorganic hybrid resin is a...

Embodiment 1

[0074] step 1:

[0075] Preparation of acidic catalyst: mixing 1 g of phosphoric acid solution with a mass concentration of 10% and 10 g of hydrochloric acid solution with a mass concentration of 10%;

[0076] Preparation of organic solvent: 1 g of propylene glycol methyl ether acetate was mixed with 10 g of ethanol to form a mixed solution.

[0077] step 2

[0078] Stir 80g of tetraethyl orthosilicate, 5g of methyltriethoxysilane, and 5g of organic solvent at room temperature, raise the temperature to 80°C, add 5g of acidic catalyst and 5g of hydroxyfluorosilicone oil dropwise at the same time, and heat to reflux for reaction. For 5h, a modified organic-inorganic hybrid resin was obtained.

[0079] Step 3:

[0080] 20g of modified organic-inorganic hybrid resin, 0.5g of tetrabutyl titanate, 0.5g of nano-titanium dioxide, 0.5g of nano-cerium dioxide, 0.5g of silicone-modified polyacrylate, 0.5g of BYK-052 defoamer, γ - 0.5 g of aminopropyltriethoxysilane was added to the d...

Embodiment 2

[0086] step 1:

[0087] Embodiment 2 is the same as steps 1 to 2 of embodiment 1, and steps 3 to 5 are as follows:

[0088] Step 3:

[0089] Mix 25g of modified organic-inorganic hybrid resin, 3g of tetrabutyl titanate, 5g of nano-titanium dioxide, 3g of nano-cerium dioxide, 2g of silicone-modified polyacrylate, 0.5g of BYK-052 defoamer, γ-aminopropyl 1.5 g of triethoxysilane was respectively added into the dispersion tank, and stirred evenly at 50° C. to obtain an initial mixed solution, and the stirring time was 5 minutes.

[0090] Step 4:

[0091] The initial mixed solution in step 3 was placed in an ultrasonic disperser for ultrasonic dispersion to obtain a mixed solution, and the dispersion time was 1.5 h.

[0092] Step 5:

[0093] Put the mixed solution in step 3 in a dispersion tank, add 60 g of modified organic-inorganic hybrid resin, and stir for 10 min at 40° C. to obtain an anti-graffiti coating.

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Abstract

The application provides anti-doodling paint and a preparation method thereof. The anti-doodling paint provided by the application is prepared from the following components: modified organic-inorganichybrid resin obtained by modifying an organosilicon material with hydroxyl-fluorosilicone oil, titanate, nano-titanium dioxide, a nano-cerium oxide, a dispersant, an antifoaming agent and a couplingagent; a film formed by the anti-doodling paint is high in transparency, excellent in low surface energy performance, good in anti-doodling effect and excellent in stain resistance, has an enhanced anti-corrosion effect, and has a good photocatalytic decomposition effect on oil stain bonded to the film formed by the paint. By adopting the preparation method of the anti-doodling paint, the anti-doodling paint with high transparency, good anti-doodling effect and excellent stain resistance can be obtained.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to an anti-graffiti coating and a preparation method thereof. Background technique [0002] Malicious graffiti is a pain in the skin of city managers, known as urban psoriasis. Usually, lime mortar or manual cleaning is used for the buildings sprayed with painted patterns, which is time-consuming and laborious, and will cause certain damage to the buildings at the same time. At present, the most effective anti-graffiti technology is to coat a layer of anti-graffiti paint on the surface of objects, making graffiti difficult or easy to remove. Give the surface of the object a layer of low surface tension anti-fouling coating, which can effectively prevent the adhesion and pollution of graffiti, and even the pollution can be easily removed by simple wiping. Contents of the invention [0003] A composite hybrid coating anti-graffiti coating disclosed in the prior art intro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/08C09D5/16C09D7/61C09D7/63C09D7/65
CPCC08K2003/2213C08K2003/2241C08K2201/011C09D5/1675C09D5/1687C09D183/08C08L43/04C08K3/22C08K5/544
Inventor 刘腾
Owner 深圳市溯元科技有限公司
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