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A fireproof adhesive mortar and its preparation method and application

A technology for bonding mortar and fireproof powder, which is applied in the fields of construction bonding materials and fireproof bonding mortar, which can solve problems such as potential safety hazards, lack of fire resistance, poor fire performance, etc., and achieve good bonding strength and good synergy function, the effect of good flame retardancy

Active Publication Date: 2017-08-29
CHONGQING CITY HUTH BUILDING MATERIALS LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adhesive mortar currently used in the market does not have fire resistance or poor fire performance, and there are certain potential safety hazards

Method used

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  • A fireproof adhesive mortar and its preparation method and application
  • A fireproof adhesive mortar and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A fireproof adhesive mortar, which consists of the following components: 385 parts by mass of 425R ordinary Portland cement, 470 parts by mass of dried sand, 11 parts by mass of defoamer, 8 parts by mass of water reducer, 6 parts by mass of Parts of microsilica, 50 parts by mass of heavy calcium carbonate, 3 parts by mass of hydroxypropyl methylcellulose, 12 parts by mass of redispersible latex powder, and 25 parts by mass of fireproof powder.

[0025] The specific preparation method of the fireproof adhesive mortar comprises the following steps:

[0026] A. Weigh according to the ratio of raw materials, then put the raw materials into the silo, mix and stir continuously, and stir them evenly;

[0027] B. Stir the mixture prepared in step A and water according to the mass ratio of 1:0.15 in the mixer for 6 minutes to form a uniform slurry, and then the fireproof adhesive mortar for building construction can be obtained.

Embodiment 2

[0029] A fireproof adhesive mortar, which consists of the following components: 420 parts by mass of 425R ordinary Portland cement, 510 parts by mass of oven-dried sand, 11 parts by mass of defoamer, 8 parts by mass of water reducer, 9 parts by mass Parts of silica fume, 100 parts by mass of heavy calcium carbonate, 6 parts by mass of hydroxypropyl methylcellulose, 15 parts by mass of redispersible latex powder, and 36 parts by mass of fireproof powder.

[0030] The specific preparation method of the fireproof adhesive mortar comprises the following steps:

[0031] A. Weigh according to the ratio of raw materials, then put the raw materials into the silo, mix and stir continuously, and stir them evenly;

[0032] B. Stir the mixture prepared in step A and water in a mixer for 9 minutes according to the mass ratio of 1:0.3 to form a uniform slurry, and then the fireproof adhesive mortar for building construction can be obtained.

Embodiment 3

[0034] A fireproof adhesive mortar, which consists of the following components: 400 parts by mass of 425R ordinary Portland cement, 500 parts by mass of dried sand, 12 parts by mass of defoamer, 10 parts by mass of water reducer, 8 parts by mass Parts by mass of silica fume, 80 parts by mass of heavy calcium carbonate, 4.5 parts by mass of hydroxypropyl methylcellulose, 13.5 parts by mass of redispersible latex powder, and 32 parts by mass of fireproof powder.

[0035] The specific preparation method of the fireproof adhesive mortar comprises the following steps:

[0036] A. Weigh according to the ratio of raw materials, then put the raw materials into the silo, mix and stir continuously, and stir them evenly;

[0037] B. Stir the mixture prepared in step A and water according to the mass ratio of 1:0.25 in the mixer for 8 minutes to form a uniform slurry, and then the fireproof adhesive mortar for building construction can be obtained.

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Abstract

Fireproofing bonding mortar is composed of the following components in parts by weight: 385-420 parts by mass of 420R ordinary portland cement, 470-510 parts by mass of dried sand, 11-13 parts by mass of a defoaming agent, 8-12 parts by mass of a water reducing agent, 50-100 parts by mass of heavy calcium carbonate, 3-6 parts by mass of hydroxypropyl methyl cellulose, 12-15 parts by mass of a redispersible latex powder, and 25-36 parts by mass of a fireproofing powder. Through suitable proportion of all the components, the fireproofing binding mortar achieves good synergistic effect, and has good flame retardancy while having good bonding strength.

Description

technical field [0001] The invention relates to a fireproof bonding mortar, which belongs to building bonding materials, in particular to an external wall bonding mortar that acts as a bond between an expanded polystyrene board and a base wall, or with putty. Background technique [0002] With the rapid development of the economy and the continuous improvement of the level of urbanization, there are more and more high-rise buildings, especially in the central city and its surrounding areas. The emergence of these high-rise buildings has brought vigor and vitality to the development and prosperity of the city, but it has also brought difficulties and crises to the fire protection work. For this reason, people have developed building fireproof plate and building fireproof coating. Architectural fire retardant coating itself is non-flammable or flame retardant, and does not have flame retardant effect. Its fire prevention principle is that the coating can isolate the substrate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04
Inventor 胡岛蜻
Owner CHONGQING CITY HUTH BUILDING MATERIALS LIMITED