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Geopolymer-based thermal insulation mortar with waterproof and fireproof function

A geopolymer, thermal insulation mortar technology, applied in the field of building materials, can solve the problems of poor waterproof and water resistance, light aggregate water absorption, large layering degree, etc. Effect

Inactive Publication Date: 2017-11-10
THE FOURTH OF CHINA CONSTR SEVENTH ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical defects of light aggregate water absorption, fast reaction, large layering degree and poor waterproof and water resistance existing in geopolymer-based thermal insulation mortar, the present invention proposes a geopolymer-based thermal insulation mortar with waterproof and fireproof functions, and its Special admixture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A geopolymer-based thermal insulation mortar with waterproof and fireproof function, which is composed of the following components: 107kg of aluminosilicate material, 30kg of alkali activator, 72kg of modified vitrified microbeads, 107L of foam, 13.5kg of polymer emulsion, toughening group Divided into 0.3kg, special admixture 5.7kg, water 102kg. in:

[0043] The aluminum siliceous material is composed of the following components (percentage by weight): 40% fly ash, 40% ground slag powder, 10% zeolite powder, and 10% silica fume.

[0044] The alkali activator consists of the following components (weight percentage): 87% water glass, 13% sodium hydroxide.

[0045] Modified vitrified microbeads are obtained by surface hydrophobic modification of vitrified microbeads. Methyltrimethoxysilane: ethanol: water is pre-mixed in a weight ratio of 10:10:1, and the temperature is controlled not to exceed 45°C. Make it hydrolyzed, and then spray the hydrolyzate on the surface of v...

Embodiment 2

[0053] A geopolymer-based thermal insulation mortar with waterproof and fireproof function is composed of the following components: 110kg of aluminum siliceous material, 32kg of alkali activator, 75kg of modified expanded perlite, 102L of foam, 13.0kg of polymer emulsion, and 0.3kg of toughening component kg, special admixture 5.5kg, water 105kg. in:

[0054] The aluminum siliceous material is composed of the following components (percentage by weight): 30% fly ash, 50% ground slag powder, 10% zeolite powder, and 10% silica fume.

[0055] The alkali activator consists of the following components (weight percentage): 93% water glass, 7% sodium hydroxide.

[0056] The modified expanded perlite is obtained by modifying the surface of expanded perlite by hydrophobicity. Methyltrimethoxysilane: ethanol: water is pre-mixed at a weight ratio of 10:10:1, and the temperature is controlled not to exceed 45°C to make it Hydrolyze, then spray the hydrolyzate on the surface of expanded p...

Embodiment 3

[0064] A geopolymer-based thermal insulation mortar with waterproof and fireproof function is composed of the following components: 107kg of aluminosilicate material, 29kg of alkali activator, 73kg of modified vitrified microbeads, 115L of foam, 12.7kg of polymer emulsion, toughening component 0.3kg, special admixture 5.7kg, water 95kg. in:

[0065] The aluminum siliceous material is composed of the following components (weight percentage): fly ash 30%, ground slag powder 70%.

[0066] The alkali activator consists of the following components (weight percentage): 89% water glass, 11% sodium hydroxide.

[0067]Modified vitrified microbeads are obtained by surface hydrophobic modification of vitrified microbeads. Methyltrimethoxysilane: ethanol: water is pre-mixed in a weight ratio of 10:10:1, and the temperature is controlled not to exceed 45°C. Make it hydrolyzed, and then spray the hydrolyzate on the surface of vitrified microbeads, the weight ratio of methyltrimethoxysilan...

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Abstract

The invention relates to a geopolymer-based thermal insulation mortar with water resistance and fire resistance. The geopolymer-based thermal insulation mortar comprises, by weight, 96.2 to 112.1 parts of an aluminum silicon material, 28.4 to 33.1 parts of an alkali activator, 66.0 to 77.0 parts of a modified lightweight aggregate, 12.2 to 14.2 parts of a polymer emulsion, 0.2 to 0.4 part of a toughening component, 5.2 to 6.0 part of an additive, and 82.8 to 107.5 parts of water; and 0.28 to 0.42L of foam is added into each one kilogram of a mixture of the above raw materials. The geopolymer-based thermal insulation mortar possesses high consistence retention rate, low layering degree, low dry density, high strength, excellent water resistance, A grade fire resistance, excellent thermal insulation performance, and excellent cracking resistance; the service life of the geopolymer-based thermal insulation mortar is as long as that of buildings; and the geopolymer-based thermal insulation mortar is especially to be used for building exterior wall external thermal insulation.

Description

technical field [0001] The invention belongs to the field of building materials and relates to a thermal insulation mortar, in particular to a geopolymer-based thermal insulation mortar with waterproof and fireproof functions. Background technique [0002] At this stage, the insulation materials of the exterior walls of buildings that have undergone thermal insulation treatment in my country basically use organic thermal insulation materials. Although the existing organic thermal insulation materials have excellent thermal insulation properties, they are greatly limited in use due to their poor fire performance and cannot meet the fire safety requirements of buildings. Due to its stable physical and chemical properties, good fire performance and good thermal insulation performance, inorganic fireproof and thermal insulation materials overcome the technical defects that the fire protection level of general organic thermal insulation materials does not meet the requirements, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/00C04B20/10C04B14/22C04B14/18C04B111/28C04B111/27
CPCC04B20/1051C04B28/006C04B38/106C04B2111/27C04B2111/285C04B2201/10C04B2201/20C04B2201/32C04B2201/50C04B18/08C04B18/141C04B18/146C04B14/047C04B22/062C04B22/08C04B14/22C04B24/14C04B24/122C04B24/20C04B22/002C04B24/24C04B24/2641C04B20/0048C04B14/026C04B24/085C04B22/085C04B24/38C04B14/185C04B24/226Y02P40/10
Inventor 霍继炜李克亮陈金权陈爱玖马军涛文利刚李凯宁王慧贤余亚斌仝玉萍高宇甲张旭芳项萌
Owner THE FOURTH OF CHINA CONSTR SEVENTH ENG
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