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Hydrophobic corrosion-resistant ceramic paint and preparing method thereof

A ceramic coating, hydrophobic technology, used in anti-corrosion coatings, anti-fouling/underwater coatings, epoxy resin coatings, etc., can solve the problem that the metal substrate cannot be effectively protected for a long time, the coating is prone to cracking and peeling, and is prone to cracking and Discoloration and other problems, to achieve the effect of low price of raw materials, excellent salt water resistance, and improved brittleness

Inactive Publication Date: 2016-10-12
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the low hardness and poor wear resistance of traditional metal surface anti-corrosion coatings, the coating is easy to be scratched and damaged; the toughness is poor, and the coating is prone to cracking and peeling; the weather resistance is poor, and cracking and discoloration are prone to occur after a period of use; the preparation method is complicated , higher construction requirements
Therefore, the comprehensive anti-corrosion performance is average, and it cannot effectively protect the metal substrate for a long time.

Method used

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  • Hydrophobic corrosion-resistant ceramic paint and preparing method thereof
  • Hydrophobic corrosion-resistant ceramic paint and preparing method thereof
  • Hydrophobic corrosion-resistant ceramic paint and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A kind of hydrophobic anticorrosion ceramic coating, adopts epoxy resin and modified organic silicon resin composite as film former, adds various fillers, auxiliary agent and solvent to prepare, and its each component and its mass percent are :

[0019] components

Mass percentage content

Mass ratio of 30% modified silicone resin and 70% epoxy resin E51 mixed

33％

Silica, ceramic powder and feldspar powder are compounded at a mass ratio of 4:3:1, all of which are micro / nano-scale particles

16％

Low surface energy material PTFE polytetrafluoroethylene

10％

T-31 Phenalkamine

14％

Titanium dioxide

3％

Dibutyl phthalate

1.5％

Aliphatic Glycidyl Ether

10％

Polydimethylsiloxane

1.5％

Aminopropyltriethoxysilane

1％

acetone

10％

[0020] The preparation method of described a kind of hydrophobic anticorrosion ceramic coating, comprises the following steps:

[...

Embodiment 2

[0024] Embodiment 2: A kind of hydrophobic anti-corrosion ceramic coating, adopts epoxy resin and modified silicone resin composite as film former, adds various fillers, auxiliary agent and solvent to prepare, and its each component and its mass percentage are :

[0025]

[0026] The preparation method of described a kind of hydrophobic anticorrosion ceramic coating, comprises the following steps:

[0027] (1) Stir and mix the modified silicone resin and the diluent, the stirring speed is 90rpm, and the stirring time is 8min, so that the modified silicone resin is completely dissolved; then add 50% of the mass of the above-mentioned solvent, and then stir and mix. 350rpm, the reaction temperature is 130°C, and the reaction lasts for 1 hour. After the reaction stops, stop stirring; then add toughening agent, leveling agent, epoxy coupling agent, body filler and pigment filler in sequence, and stir and mix. The stirring speed is 30rpm, and the stirring time is 40min; finally...

Embodiment 3

[0030] Embodiment 3: A kind of hydrophobic anticorrosion ceramic coating, adopts epoxy resin and modified organic silicon resin composite as film former, adds various fillers, auxiliary agent and solvent to prepare, and its each component and its mass percent are :

[0031]

[0032] The preparation method of described a kind of hydrophobic anticorrosion ceramic coating, comprises the following steps:

[0033] (1) Stir and mix the modified silicone resin and the diluent, the stirring speed is 100rpm, and the stirring time is 5min, so that the modified silicone resin is completely dissolved; then add 50% of the mass of the above solvent, and then stir and mix, and the rotation speed is 400rpm, the reaction temperature is 150°C, and the reaction lasts for 0.5h. After the reaction stops, stop stirring; then add toughening agent, leveling agent, epoxy coupling agent, body filler and pigment filler in sequence, and stir and mix. The stirring time is 50rpm, and the stirring time ...

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Abstract

The invention discloses a hydrophobic anti-corrosion ceramic coating, which uses epoxy resin and modified silicone resin as a film-forming material, and adds various fillers, auxiliary agents and solvents, including body fillers, pigments and fillers, curing agents, coloring Agent, toughener, diluent, leveling agent, epoxy coupling agent and solvent. The hydrophobic anti-corrosion ceramic coating of the present invention has stable performance, strong adhesion, excellent salt water resistance, strong acid and alkali corrosion resistance, good weather resistance, high hardness, and excellent wear resistance; and it is environmentally friendly and non-toxic (low VOC), and has Good protection, decoration and functional effects, low price of raw materials, simple preparation method, suitable for the surface of metal substrates that need to be protected under harsh corrosion environments.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a hydrophobic anti-corrosion ceramic coating and a preparation method thereof. Background technique [0002] The phenomenon of metal corrosion widely exists in people's production practice and life. A large amount of metal materials are lost due to corrosion every year in the world, and the harm caused by it cannot be underestimated. At present, there are many methods for anti-corrosion of metal surfaces, but the most widely used, most economical and practical method is surface anti-corrosion coating. In the face of increasingly harsh corrosive environments, anti-corrosion coatings are also playing an increasingly important role. Due to the low hardness and poor wear resistance of traditional metal surface anti-corrosion coatings, the coating is easy to be scratched and damaged; the toughness is poor, and the coating is prone to cracking and peeling; the weather res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D183/04C09D5/08C09D5/16C09D5/14C09D5/32C09D7/12
CPCC09D163/00C08K2201/011C08L2201/08C08L2205/025C08L2205/035C09D5/08C09D5/14C09D5/16C09D5/32C09D7/61C09D7/63C09D7/65
Inventor 卢朝霞刘宇恒王立升叶斌顾传君黄幸黄伊琳刘瑶
Owner GUANGXI UNIV
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