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Anti-corrosion air purification paint and preparation method thereof

A technology of air purification and corrosion resistance, applied in the field of coating of nanocomposite particles, which can solve the problems of large specific surface energy and easy agglomeration

Inactive Publication Date: 2019-01-18
JIANGSU KAOPULE NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large specific surface energy of titanium dioxide, it is very easy to agglomerate or be embedded by pigments and fillers in the coating and will not be uniformly dispersed in the coating.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Add 2.5 kg of titanium dioxide particles with a particle diameter of 2-5 nanometers into 50 L of 0.25 mol / L ethanol aqueous solution under stirring, and continue stirring for 1 hour at room temperature. At the same time, 1000L of 0.05mol / L graphene aqueous dispersion was added to 0.1mol / L N-hydroxysuccinimide and 0.1mol / L 1-(3-dimethylaminopropyl)-3-ethylcarbodiethylene In the aqueous solution (3L) of amine hydrochloride, stir 30min to obtain graphene dispersion. At a stirring speed of 300rpm, the graphene dispersion is added to the dispersion of the above-mentioned titanium dioxide nanoparticles in the aqueous ethanol solution at a feed rate of 0.5L / min, and the temperature and pH value of the dispersion system are maintained at 65°C and 9. After the feed was complete, stir and sonicate (300w, 65kHz) for 24 hours. The resulting reactant was centrifuged, washed and dried at 50° C. and 2.5 kPa to obtain 4.5 kg of nanocomposite particles of titanium dioxide and graphene...

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Abstract

The invention relates to anti-corrosion air purification paint and a preparation method thereof. The paint comprises following components: A), surface-modified titanium dioxide and graphene nano-composite particles and B), a film forming component. The paint contains the surface-modified titanium dioxide and graphene nano-composite particles, the titanium dioxide and graphene nano-composite particles are uniformly dispersed in a coating in a meshed manner; after graphene is uniformly introduced into the coating, impact resistance, wear resistance, weather resistance and corrosion resistance ofthe paint are greatly improved.

Description

technical field [0001] The invention relates to a corrosion-resistant air-purifying paint, more particularly to a paint containing nanocomposite particles of graphene and titanium dioxide. The invention further relates to a process for its preparation. Background technique [0002] Graphene is the type of nanomaterials with the smallest thickness and the highest strength. It has the advantages of large specific surface area, good electrical conductivity, strong chemical stability, excellent mechanical properties and thermal conductivity. Once it came out, it has attracted widespread attention from all over the world. Graphene has a wide range of applications, and coatings are an important part of many graphene applications. Due to the high specific surface area of ​​graphene, it has a strong adsorption force. After graphene is added to the paint, it forms a network structure during the curing process of the paint film, which greatly enhances the adhesion between the paint ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D7/62C09D7/61C09D127/16
CPCC09D5/08C08K3/04C08K7/24C08K9/10C08K2003/2241C08K2201/011C09D127/16
Inventor 纪志勇李昊陶月明耿雷王俊张涛
Owner JIANGSU KAOPULE NEW MATERIALS