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Waterborne expansion fireproof coating and preparation method thereof

A fire-resistant coating, water-based technology, applied in the field of coatings, can solve the problems of poor thermal stability, slow drying, poor thermal insulation performance, etc., and achieve the effects of poor thermal conductivity, good fire resistance and environmental friendliness

Inactive Publication Date: 2016-06-22
徐冉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing fire retardant coatings on the market still have some technical problems of poor thermal insulation performance, slow drying and poor thermal stability. Therefore, the formulation composition of this aspect still needs to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]Example 1 The water-based intumescent fireproof coating is mainly prepared from the following raw materials (10 kg each): 17 parts of ammonium polyphosphate, 9 parts of melamine, 8 parts of pentaerythritol triacrylate, 10 parts of vinegar-acrylic emulsion, and 5 parts of vinyl tertiary carbonate , 3 parts of phenolic resin, 2 parts of magnesium oxide, 16 parts of deionized water, 0.18 parts of emulsified silicone oil, 1.2 parts of organic bentonite, 1 part of sodium polyacrylate, 2 parts of sodium polycarboxylate, appropriate amount of titanium dioxide.

[0035] The preparation method of water-based swelling fireproof coating is:

[0036] (1) Put vinyl tertiary carbonate, phenolic resin, magnesium oxide and deionized water in a stirrer, stir for 10 minutes at a stirring speed of 100 rpm, then add ammonium polyphosphate, melamine, pentaerythritol triacrylate, poly Sodium acrylate and polycarboxylate sodium salt, continue stirring for 20 minutes;

[0037] (2) Add emulsifi...

Embodiment 2

[0039] Example 2 The water-based intumescent fireproof coating is mainly prepared from the following raw materials (10 kg each): 23 parts of ammonium polyphosphate, 13 parts of melamine, 13 parts of pentaerythritol triacrylate, 14 parts of vinegar-acrylic emulsion, and 10 parts of vinyl tertiary carbonate , 7 parts of phenolic resin, 4 parts of magnesium oxide, 28 parts of deionized water, 0.3 parts of emulsified silicone oil, 2.0 parts of organic bentonite, 5 parts of sodium polyacrylate, 4 parts of sodium polycarboxylate, and an appropriate amount of white powder.

[0040] The preparation method of water-based swelling fireproof coating is:

[0041] (1) Put vinyl tertiary carbonate, phenolic resin, magnesium oxide and deionized water in a stirrer, stir for 20 minutes at a stirring speed of 300 rpm, then add ammonium polyphosphate, melamine, pentaerythritol triacrylate, poly Sodium acrylate and sodium polycarboxylate, continue stirring for 30 minutes;

[0042] (2) Add emulsi...

Embodiment 3

[0044] Example 3 The water-based intumescent fireproof coating is mainly prepared from the following raw materials (10 kg each): 19 parts of ammonium polyphosphate, 10 parts of melamine, 10 parts of pentaerythritol triacrylate, 11 parts of vinegar-acrylic emulsion, and 6 parts of vinyl tertiary carbonate , 4 parts of phenolic resin, 2.5 parts of magnesium oxide, 20 parts of deionized water, 0.2 parts of emulsified silicone oil, 1.4 parts of organic bentonite, 2 parts of sodium polyacrylate, 2.5 parts of sodium polycarboxylate, and an appropriate amount of lithopone.

[0045] The preparation method of water-based swelling fireproof coating is:

[0046] (1) Put vinyl tertiary carbonate, phenolic resin, magnesium oxide and deionized water in a stirrer, stir for 14 minutes at a stirring speed of 150 rpm, then add ammonium polyphosphate, melamine, pentaerythritol triacrylate, poly Sodium acrylate and polycarboxylate sodium salt, continue stirring for 23 minutes;

[0047] (2) Add e...

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PUM

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Abstract

The invention discloses a water-based intumescent fireproof coating, which is mainly prepared from the following raw materials, all of which are in parts by mass: 17-23 parts by mass of ammonium polyphosphate, 9-13 parts of melamine, 8-13 parts of pentaerythritol triacrylate, and 10-14 parts of vinegar-acrylic emulsion , vinyl tertiary carbonate 5-10, phenolic resin 3-7, magnesium oxide 2-4, deionized water 16-28, emulsified silicone oil 0.18-0.3, organic bentonite 1.2-2.0, sodium polyacrylate 1-5, polycarboxylic acid Sodium salt 2-4, appropriate amount of pigment. The coating prepared by the invention has good fire-proof and heat-insulating effects, good fire-resistant performance, poor thermal conductivity, is environmentally friendly, and is economical and practical.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based swelling fireproof coating and a preparation method thereof. Background technique [0002] It is applied to the surface of flammable substrates to change the combustion characteristics of the material surface and retard the rapid spread of fire; or applied to building components to improve the fire resistance limit of components, called fire retardant coatings. There are many types of fire retardant coatings, but according to the use of fire retardant coatings and the coating thickness of fire retardant coatings, they are generally divided into decorative coatings and steel structure fire retardant coatings. Facing fire retardant coatings are generally used as protective materials for combustible substrates. They have certain decorative and fireproof properties, and are divided into two categories: water-based and solvent-based. The steel structure fireproof coating is main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D7/12C09D5/18
CPCC09D131/04C08L2201/02C08L2205/035C09D5/18C09D7/61C09D7/63
Inventor 不公告发明人
Owner 徐冉
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