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Aqueous flame-retardant coating and preparation method thereof

A fire-retardant coating, water-based technology, applied in the direction of coating, etc., can solve the problems of high decomposition temperature of dehydration catalyst, affect the formation and structure of carbon layer, and affect the protection effect of substrate, so as to achieve good flame-retardant effect, reduce surface temperature, The effect of preventing the spread of fire

Active Publication Date: 2011-08-31
HUNAN FUXIANG WOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, flame-retardant coatings have become a research hotspot, but there are still some deficiencies in existing flame-retardant coatings. The existing technology of realizing flame-retardant substrates through the catalytic charring of coating films uses a dehydration catalyst with a high decomposition temperature. However, the low temperature activity is poor, and the flame retardant performance of the coating is not good.
Because when a fire occurs, the film-forming substance is often thermally decomposed before the dehydration catalyst, producing more flammable volatile organic compounds, affecting the formation and structure of the carbon layer, and thus affecting the protection of the substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] First weigh 450 grams of water-based acrylic emulsion, slowly pour it into a clean stainless steel container, then add 200 grams of amino resin, and add 80 grams of deionized water, start the stirrer, control the stirring speed at 1000 r / min, and disperse for 10 minutes to ensure its After dispersing evenly, add 5 grams of substrate lubricant, 1 gram of leveling agent and 30 grams of nitrogen-based flame retardant in sequence, control the stirring speed at 500 r / min, disperse for 10 minutes, add 5 grams of defoaming agent, and control the stirring speed At 1000 r / min, last for 10 min, add 3 grams of catalyst, control the stirring speed at 500 r / min, and disperse evenly.

Embodiment 2

[0026] First weigh 500 grams of water-based acrylic emulsion, slowly pour it into a clean stainless steel container, then add 230 grams of amino resin, and add 90 grams of deionized water, start the stirrer, control the stirring speed at 1100 r / min, and disperse for 13 minutes to ensure its After dispersing evenly, add 7 grams of substrate lubricant, 3 grams of leveling agent and 50 grams of nitrogen-based flame retardant in sequence, control the stirring speed at 450 r / min, disperse for 13 minutes, add 7 grams of defoaming agent, and control the stirring speed At 1100 r / min, last for 13 minutes, add 4 grams of catalyst, control the stirring speed at 450 r / min, and disperse evenly.

Embodiment 3

[0028] First weigh 550 grams of water-based acrylic emulsion, slowly pour it into a clean stainless steel container, then add 250 grams of amino resin, and add 100 grams of deionized water, start the stirrer, control the stirring speed at 1200 r / min, and disperse for 15 minutes to ensure its After dispersing evenly, add 10 grams of substrate lubricant, 5 grams of leveling agent and 80 grams of nitrogen-based flame retardant in sequence, control the stirring speed at 600 r / min, disperse for 15 minutes, add 10 grams of defoaming agent, and control the stirring speed At 1200 r / min, last for 15 minutes, add 5 grams of catalyst, control the stirring speed at 600 r / min, and disperse evenly.

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Abstract

The invention discloses an aqueous flame-retardant coating and a preparation method thereof. The aqueous flame-retardant coating comprises following compositions: aqueous acrylic emulsion, amino resin, deionized water, nitrogen flame retardants, substrate lubricants, leveling agents, defoamers and catalysts. The preparation method of the aqueous flame-retardant coating comprises the following steps of: firstly adding the amino resin into the aqueous acrylic emulsion; then adding the substrate lubricants, the leveling agents, the nitrogen flame retardants, the defoamers and the catalysts in sequence; and stirring quickly to obtain the aqueous flame-retardant coating. The processing technology disclosed by the invention is simple, the composition ratio is rational, and the produced coating has a good flame-retardant effect, and can be widely applied to the places having fireproof demands, such as KTV (Karaoke Television) clubs, movie theaters and the like.

Description

technical field [0001] The invention relates to a water-based flame-retardant coating and a preparation method. Background technique [0002] At present, the amount of wood materials and paints used in interior decoration is increasing year by year. Due to the flammability and flammability of wood materials and some paints, there must be fire hazards. In recent years, due to the extensive use of decorative materials, such fires are on the rise. The preparation of new non-combustible and flame-retardant decorative materials has been highly valued by relevant state departments. Therefore, flame-retardant coatings have become a research hotspot, but there are still some deficiencies in existing flame-retardant coatings. The existing technology of realizing flame-retardant substrates through the catalytic charring of coating films uses a dehydration catalyst with a relatively high decomposition temperature. However, the low-temperature activity is poor, and the flame retardant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/00
Inventor 陈海锋
Owner HUNAN FUXIANG WOOD
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