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Preparation method of flame-retardant and anti-corrosive metallic paint with high adhesion

A metal coating and adhesion technology, used in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve problems such as poor corrosion resistance, poor adhesion, and flammability, and achieve the effect of preventing corrosion, improving adhesion, and preventing corrosion.

Inactive Publication Date: 2018-10-12
陈建峰
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  • Application Information

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Problems solved by technology

[0006] Technical problem to be solved by the present invention: Aiming at the defects of poor adhesion, poor corrosion resistance and flammability of current metal coatings, a preparation method of high adhesion flame-retardant and anti-corrosion metal coatings is provided

Method used

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  • Preparation method of flame-retardant and anti-corrosive metallic paint with high adhesion

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Embodiment Construction

[0026] Put phenyl dichlorophosphate and tetrahydrofuran into the reactor at a mass ratio of 1:3, cool down the reactor to 0-3°C, and stir for 10-20 minutes under the protection of nitrogen to obtain a mixed solution, then add the mixed solution into the reactor Triethylamine with a liquid quality of 20-25%, continue to stir for 15-20min to obtain a reaction solution; dropwise add boric acid diglyceride with a reaction solution quality of 15-18% to the above-mentioned reaction solution, and heat up to 30-40 ℃, stirred at a speed of 100-120r / min for 4-5h, then filtered while hot to obtain the filtrate, put the filtrate in a vacuum drying oven, and dried for 3-5h at 40-45°C and a vacuum of 0.6-0.8MPa , to obtain a viscous polymer; the above viscous polymer and epoxy resin are mixed and put into the reactor at a mass ratio of 1:3, and the reaction is stirred under the condition that the vacuum degree is 0.08-0.12MPa and the temperature is 58-62°C After 40-60 minutes, the phosphoru...

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Abstract

The invention relates to a preparation method of flame-retardant and anti-corrosive metallic paint with high adhesion and belongs to the technical field of paint preparation. According to the method,phenyl dichlorophosphate, tetrahydrofuran and triethylamine are stirred and mixed firstly; then boric diglyceride is added dropwise, and a viscous polymer is obtained through a reaction; the viscous polymer is mixed with epoxy resin, and phosphorus-boron hybridized epoxy resin is obtained; attapulgite is modified; resin, the phosphorus-boron hybridized epoxy resin, modified attapulgite powder andother substances are stirred and mixed, and the flame-retardant and anti-corrosive metallic paint with high adhesion is obtained. Phosphate can be subjected to a reaction with base metal to form an insoluble phosphate film, surface area of the attapulgite is increased by acidification, so that adsorption capacity of the attapulgite is improved greatly, attapulgite surface is changed from hydrophilicity to hydrophobicity, and corrosion resistance is improved; a phosphorus-containing flame retardant is decomposed to generate metaphosphoric acid and the like to catalyze charring of a base material, a boron-containing flame retardant is decomposed to generate vitreous boron oxide, oxygen is isolated, heat transfer is stopped, and the method has broad application prospect.

Description

technical field [0001] The invention relates to a preparation method of a highly adhesive flame-retardant and anti-corrosion metal coating, which belongs to the technical field of coating preparation. Background technique [0002] It is estimated that the losses caused by metal corrosion in the world far exceed the losses caused by natural disasters such as fires and earthquakes. Therefore, metal anti-corrosion is particularly valued by various countries. With the continuous acceleration of my country's modernization process, the application of metal products is becoming more and more extensive. In order to enhance the weather resistance and corrosion resistance of metals, prolong their service life and increase their aesthetics, surface treatment of metal materials is usually required. [0003] There are many kinds of metal surface treatment technologies, including electroplating, electroless plating, coating technology and so on. The use of coating technology for metal su...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D5/08C09D5/18C09D7/62C09D7/61C09D7/63
CPCC09D4/06C09D5/08C09D5/18C09D7/61C09D7/62C09D7/63
Inventor 陈建峰蒋梦成陈帅
Owner 陈建峰
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