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A polyurethane-based environmentally friendly flame-retardant anti-corrosion coating

An anti-corrosion coating, polyurethane technology, applied in the direction of polyurea/polyurethane coatings, anti-corrosion coatings, fire-retardant coatings, etc., can solve problems such as corrosion resistance and poor flame retardancy, and achieve good temperature resistance, good flame retardant performance, and enhanced anti-corrosion. Effects of Features

Inactive Publication Date: 2018-07-17
GUANGDONG ZHONGXING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a polyurethane-based environmentally friendly flame-retardant anti-corrosion coating to at least solve the problems of poor corrosion resistance and flame retardancy of polyurethane coatings in the prior art

Method used

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  • A polyurethane-based environmentally friendly flame-retardant anti-corrosion coating
  • A polyurethane-based environmentally friendly flame-retardant anti-corrosion coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The environment-friendly flame-retardant and anti-corrosion coating of this embodiment is prepared from the following raw materials in parts by weight (kg): toluene diisocyanate 40, flame-retardant composite polyether polyol 380, fluorine-containing polyether polyol 140, polydimethylsiloxane 70 alkanes, 40 hexadecyl phosphate salts, 15 hydroquinone bis(β-hydroxyethyl) ethers, 10 polyvinylpyrrolidones, 5 silica powders, 50 sodium dihydrogen phosphates, 20 stannous octoates, and potassium polyacrylate 5 parts of powder, 40 parts of deionized water.

[0034] The preparation method of the environment-friendly flame-retardant anticorrosion coating of the present embodiment comprises the following steps:

[0035] Step 1: Take the mixed solution of flame-retardant composite polyether polyol and fluorine-containing polyether polyol and add it into a closed reaction kettle with a stirrer and a vacuum pump, evacuate to 0.1MPa, stir and remove water at 100°C for 120 minutes, and g...

Embodiment 2

[0041] The environment-friendly flame-retardant and anti-corrosion coating of this embodiment is formulated from the following raw materials in parts by weight (kg): hexamethylene diisocyanate 20, flame-retardant composite polyether polyol 200, fluorine-containing polyether polyol 100, polydimethyl Siloxane 50, Cetyl Phosphate Salt 10, Hydroquinone Bis(β-Hydroxyethyl) Ether 10, Polyvinylpyrrolidone 5, Silica Powder 1, Sodium Bicarbonate 30, Dibutyltin Dilaurate 10, 1 part of polyacrylic acid potassium salt dispersant, 20 parts of deionized water.

[0042] The preparation method of the environment-friendly flame-retardant anticorrosion coating of the present embodiment comprises the following steps:

[0043]Step 1: Take the mixed solution of flame-retardant composite polyether polyol and fluorine-containing polyether polyol and add it into a closed reaction kettle with a stirrer and a vacuum pump, evacuate to 0.1MPa, stir and remove water at 100°C for 120 minutes, and get Anhy...

Embodiment 3

[0049] The environmentally friendly flame-retardant anti-corrosion coating of this example is prepared from the following raw materials in parts by weight (kg): 4,4'-methylene-dicyclohexyl diisocyanate 40, flame-retardant composite polyether polyol 400, fluorine-containing polyol Ether polyol 150, polydimethylsiloxane 100, 16-chlorohexadecyl phosphate salt and cetyl phosphate salt in a ratio of 1:1 total 40, hydroquinone-bis(β-hydroxyethyl Base) ether 30, polyvinylpyrrolidone 20, silicon micropowder 10, sodium bicarbonate 60, triethanolamine 20, polyacrylic acid potassium salt dispersant 10 parts, deionized water 40 parts.

[0050] The preparation method of the environment-friendly flame-retardant anticorrosion coating of the present embodiment comprises the following steps:

[0051] Step 1: Take the mixed solution of flame-retardant composite polyether polyol and fluorine-containing polyether polyol and add it into a closed reaction kettle with a stirrer and a vacuum pump, ev...

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Abstract

The invention discloses a polyurethane-based environment-friendly flame-resistant anticorrosive coating. The polyurethane-based environment-friendly flame-resistant anticorrosive coating is prepared from, by weight, 20 to 40 parts of diisocyanate, 200 to 400 parts of a flame-resistant composite polyether polyol, 100 to 150 parts of a fluorine containing polyether polyol, 50 to 100 parts of polydimethylsiloxane, 10 to 40 parts of an alkyl phosphate salt, 10 to 30 parts of hydroquinone bis(2-hydroxyethyl)ether, 5 to 20 parts of polyvinylpyrrolidone, 1 to 10 parts of silica micropowder, 30 to 60 parts of a pH buffering agent, 10 to 20 parts of a catalyst, and 20 to 40 parts of deionized water. According to a preparation method, fluorine silicon elements and the flame-resistant composite polyether polyol are introduced into polyurethane coating, so that polyurethane coating is provided with excellent corrosion resistance and flame resistance.

Description

technical field [0001] The invention relates to a polyurethane anticorrosion coating, in particular to an environment-friendly polyurethane coating with flame-retardant and anticorrosion functions. Background technique [0002] As a widely used coating at present, polyurethane coating is often used in the construction field, but the traditional polyurethane waterproof coating will cause great pollution to the surrounding environment during the production process, and its environmental protection performance is extremely poor. In addition, the products after the polymerization reaction are all organic matter, so the fireproof performance of the coating itself is extremely poor, and it is easy to burn, which does not meet the flame retardant requirements of building materials. [0003] The invention patent with application number CN200810172238 discloses an environmentally friendly flame-retardant polyurethane emulsion, which consists of diisocyanate, macromolecular polyol, fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/08C09D5/18C09D5/08C08G18/12C08G18/66C08G18/40C08G18/48C08G18/61C08G18/32
CPCC08G18/12C08G18/4009C08G18/4804C08G18/61C08G18/6674C08L2201/02C08L2201/08C08L2205/03C09D5/08C09D5/18C09D175/08C08L39/06C08K13/02C08K5/521C08K3/36C08G18/3215
Inventor 张全章冉云奇陶宏杰
Owner GUANGDONG ZHONGXING TECH
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