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Inorganic fireproof material and preparation method thereof

A fireproof material and fireproof coating technology, applied in fireproof coatings, coatings and other directions, can solve the problems of high temperature resistance and insufficient heat insulation performance of diatomite, and achieve obvious heat insulation effect, material cost saving, and energy saving. The effect of construction costs

Inactive Publication Date: 2014-04-09
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, diatomite is added to paints to eliminate formaldehyde, purify the air, and maintain humidity, and has achieved certain results, but the high temperature resistance and heat insulation performance of diatomite itself has not been fully utilized.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The inorganic fireproof material described in this example is prepared by spraying an inorganic fireproof coating on a wooden material. The inorganic fireproof coating is prepared by mixing the following raw materials. The raw materials and their mass percentages are: 93% aluminum sol, 5% diatomite , Auxiliary 2%.

[0025] The auxiliary agent described in this embodiment includes stabilizer, rheological agent and dispersant, wherein the mass ratio of stabilizer, rheological agent and dispersant is 9:3:4, and the described stabilizer is light magnesium oxide and super The fine copper oxide is mixed in a ratio of 1:1, the rheological agent is silicon dioxide, and the dispersant is sodium hexametaphosphate.

[0026] The preparation method of the inorganic fireproof material described in the present embodiment comprises the following steps:

[0027] (1) Dry and clean the substrate for later use;

[0028] (2) Spray the boric acid solution with a mass percentage concentrati...

Embodiment 2

[0033] The inorganic fireproof material described in this example is prepared by spraying inorganic fireproof coatings on steel materials. The inorganic fireproof coatings are prepared by mixing the following raw materials. The raw materials and their mass percentages are: 99.8% of aluminum sol, 0.1% of diatomite, Additive 0.1%.

[0034] Described auxiliary agent comprises stabilizer, rheological agent and dispersant, wherein the mass ratio of stabilizer, rheological agent and dispersant is 11:5:6, and described stabilizer is light magnesium oxide and superfine copper oxide It is obtained by mixing at a ratio of 1:2, the rheological agent is boric acid, and the dispersant is polyacrylamide.

[0035] The preparation method of the inorganic fireproof material described in the present embodiment comprises the following steps:

[0036] (1) Dry and clean the substrate for later use;

[0037] (2) Spray the boric acid solution with a mass percentage concentration of 5% on the clean...

Embodiment 3

[0042] The inorganic fireproof material described in this example is prepared by spraying an inorganic fireproof coating on an aluminum material. The inorganic fireproof coating is prepared by mixing the following raw materials. The raw materials and their mass percentages are: 95% aluminum sol, 4% diatomite , additive 1%.

[0043] Described auxiliary agent comprises stabilizer, rheological agent and dispersant, wherein the mass ratio of stabilizer, rheological agent and dispersant is 10:4:5, and described stabilizer is light magnesia and superfine copper oxide Obtained after mixing in a ratio of 2:5, the rheological agent is silicon dioxide and boric acid mixed in a ratio of 1:1, and the dispersant is sodium hexametaphosphate and polyacrylamide in a ratio of 1:1 mix.

[0044] The preparation method of the inorganic fireproof material described in the present embodiment comprises the following steps:

[0045] (1) Dry and clean the substrate for later use;

[0046] (2) Spray...

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Abstract

The invention discloses an inorganic fireproof material and a preparation method thereof, and belongs to the field of fireproof materials. A coating of the fireproof material mainly comprises alumina sol as a film forming matter, diatomite as filler and some trace auxiliaries, wherein the alumina sol is a water-based inorganic binder and has the characteristics of no toxity, high temperature resistance, high binding force, environmental protection and the like; the diatomite has porous heat insulation and can obviously prolong duration of fire resistance; the performances of the coating such as adhesive force and duration of fire resistance can be obviously enhanced by adjusting the percentage composition and the thickness of the coating. The raw materials used are all low in cost, and are non-toxic and harmless inorganic materials; the coating is expanded and foamed during the heated process to form a loosened porous expansion layer with an extremely good heat insulation effect, and meanwhile hazardous gas is not generated; the duration of fire resistance is over 60 minutes; the coating can be coated on various modern buildings with wood structures and steel structures, and can be applied to the field of fireproof coatings well.

Description

technical field [0001] The invention relates to an inorganic fireproof coating and a preparation method thereof, belonging to the technical field of special materials. Background technique [0002] The fire is mainly due to the lack of protection of low-flammability substances. If a high-temperature-resistant coating can be applied to the surface of furniture to reduce the flammability of the surface of the coated material and retard the rapid spread of the fire, it can be used to increase the fire-resistant limit of the coated material. It will be able to effectively protect low flash point substances to delay or prevent the occurrence of fire. This project uses aluminum sol and diatomite as the main raw materials to invent a new type of coating with low cost, environmental protection, air purification and effective improvement of the fire resistance of the substrate. [0003] At present, the most indoor wall paint is latex paint. Latex paint is an organic paint that will ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18
Inventor 严继康刘王唐婉霞甘国友倪尔鑫段志操黄思仁杜景红张家敏刘意春谈松林李凤仙鲍瑞易健宏
Owner KUNMING UNIV OF SCI & TECH
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