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Novel environment-friendly fireproof sealing gypsum

A gypsum, environmentally friendly technology, applied in the field of new environmentally friendly fireproof caulking gypsum, can solve the problems of caulking gypsum having no fireproof function, flame penetration, cracking of board seams, etc.

Active Publication Date: 2009-08-26
北新建材(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, because the existing caulking gypsum does not have fireproof function, although the gypsum board wall generally does not have cracks and flame penetration when a fire occurs, cracks often occur in the gaps between the board seams , and a flame penetration phenomenon occurs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The specific preparation process of the present embodiment is as follows:

[0016] Step 1: First weigh the components according to the following proportions: 91.3% building gypsum powder, 0.2% mica powder, 5% regulator, 0.8% water-retaining thickener, 0.2% adhesive, 0.5% retarder, reinforcement Agent 2%; Wherein, above-mentioned percentage is percentage by weight;

[0017] Step 2: Add construction gypsum powder to the mixer, and at the same time add mica powder and the above-mentioned other admixtures to the mixer, mix and pack according to a certain weight to form a product.

[0018] Sulfonate is selected as the regulator, citric acid is selected as the retarder, methyl cellulose is selected as the water-retaining thickener, rubber powder is selected as the adhesive, and boric acid is selected as the reinforcing agent.

[0019] The main technical indicators of the fireproof caulking gypsum prepared in this example meet the following requirements: the initial setting t...

Embodiment 2

[0021] The specific preparation process of the present embodiment is as follows:

[0022] Step 1: First weigh the components according to the following proportions: 91.77% building gypsum powder, 8% vermiculite powder, 0.1% regulator, 0.01% water-retaining thickener, 0.01% adhesive, 0.01% retarder, reinforcement Agent 0.1%; Wherein, above-mentioned percentage is percentage by weight;

[0023] Step 2: Add the construction gypsum powder to the mixer, and at the same time add the vermiculite powder and other admixtures mentioned above to the mixer, mix and pack according to a certain weight to form a product.

[0024] Sulfonate is selected as the regulator, citric acid is selected as the retarder, cellulose ether is selected as the water-retaining thickener, rubber powder is selected as the adhesive, and boric acid is selected as the reinforcing agent.

[0025] The main technical indicators of the fireproof caulking gypsum prepared in this example meet the following requirements...

Embodiment 3

[0027] The specific preparation process of the present embodiment is as follows:

[0028] Step 1: First weigh the components according to the following proportions: 90.2% of building gypsum powder, 3% of vermiculite powder, 2.5% of mica powder, 2.5% of regulator, 0.4% of water-retaining thickener, 0.1% of adhesive, retarder Agent 0.3%, reinforcing agent 1%; Wherein, above-mentioned percentage is percentage by weight;

[0029] Step 2: Add the construction gypsum powder to the mixer, and at the same time add the vermiculite powder and other admixtures mentioned above to the mixer, mix and pack according to a certain weight to form a product.

[0030] Sulfonate is selected as the regulator, citric acid is selected as the retarder, sodium carboxymethyl cellulose is selected as the water-retaining thickener, rubber powder is selected as the adhesive, and boric acid is selected as the reinforcing agent.

[0031] The main technical indicators of the fireproof caulking gypsum prepare...

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Abstract

The invention discloses an environment-friendly fireproof sealing gypsum, which comprises the following components in percentage by weight: 0.2 to 8 percent of non-metallic mineral fireproof material, 0.1 to 5 percent of modifier, 0.01 to 0.8 percent of water retention thickening agent, 0.01 to 0.2 percent of bonding agent, 0.01 to 0.5 percent of retarder, 0.1 to 2 percent of intensifier, and the balance of construction gypsum. Because the non-metallic mineral fireproof materials such as mica powder or vermiculite and the like are added, and the modifier, the intensifier and the like are also added, the environment-friendly fireproof sealing gypsum can ensure the basic performances of the sealing gypsum and simultaneously has the characteristics of fire resistance, crack resistance, environmental protection, no toxin, no irritation, and the like.

Description

technical field [0001] The invention relates to an environment-friendly fireproof caulking gypsum, in particular a novel environment-friendly fireproof caulking gypsum with the characteristics of fire prevention, anti-cracking, environmental protection, non-toxic, non-irritating and the like. Background technique [0002] Caulk plaster is a material used to fill gaps between floor tiles or plasterboard walls during building construction. Because the gap occupies a small area of ​​the ground or wall, it is generally believed that it is enough to fill the gap with ordinary caulking gypsum that does not have a fireproof function. Even if a fire occurs, the caulking will not have any real effect. . Therefore, the current caulking plaster is still conventional plaster. [0003] However, because the existing caulking gypsum does not have fireproof function, when a fire breaks out, although the gypsum board wall generally does not have cracks, flame penetration, etc., cracks ofte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B24/16C04B24/04C04B24/38C04B14/20
Inventor 周梦文冯菊莲周建中颜博渊杨青
Owner 北新建材(苏州)有限公司
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