Building thermal insulation dry powder mortar

A dry powder mortar and building thermal insulation technology, which is applied in the field of building thermal insulation materials, can solve the problems that need to be improved, and achieve the effects of increasing thermal insulation effect and construction performance, preventing mottled phenomenon, and enhancing the effect of compressive shear bond strength

Inactive Publication Date: 2013-09-25
王荣
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

They mainly used modified cement, fly ash, desulfurized gypsum, vitrified microbeads, closed-cell perlite, vermiculite, fiber and other materials, but their thermal insulation performance, weather resistance, compression resistance, antifreeze, crack resistance, Dry density, shock resistance, linear shrinkage, and plaster thickness required for design (65% energy saving) need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Building thermal insulation dry powder mortar is composed of dry powder and water. The weight ratio of dry powder to water is 1:1.5. When in use, dry powder is added to water and stirred (using a flat-mouth vertical mortar mixer). It can be used after it is thick and thin.

[0026] The dry powder is composed of ordinary Portland cement, calcined gypsum powder, redispersible latex powder, fine wood fiber, polypropylene short fiber, slaked lime, gray calcium, heavy calcium, hydroxypropyl methylcellulose, calcined expanded perlite , premixed additives, the mass parts of each raw material of dry powder are: 450 parts of ordinary portland cement, 70 parts of calcined gypsum powder, 37.5 parts of redispersible latex powder, 15 parts of fine wood fiber, polypropylene 13 parts of short fiber, 10 parts of slaked lime, 10 parts of lime calcium, 10 parts of heavy calcium, 3 parts of hydroxypropyl methylcellulose, 364 parts of calcined expanded perlite, 17.5 parts of premixing addit...

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PUM

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Abstract

A building thermal insulation dry powder mortar belongs to a building thermal insulation material. The weight ratio of a dry powder to water is 1: 1.5. The dry powder is prepared by mixing 450 parts by mass of ordinary portland cement, 70 parts by mass of a calcined gypsum powder, 37.5 parts by mass of a redispersible emulsion powder, 15 parts by mass of fine xylem fibers, 13 parts by mass of polypropylene staple fibers, 10 parts by mass of slaked lime, 10 parts by mass of sierozem, 10 parts by mass of heavy calcium carbonate, 3 parts by mass of hydroxypropyl methyl cellulose, 364 parts by mass of a calcined expanded perlite and 17.5 parts by mass of a premixed auxiliary agent. The thermal insulation building dry powder mortar has the advantages of strong thermal insulation, strong bond with walls, high compressive strength, strong drawing force, excellent weather resistance, and environmental protection, and also has the advantages of fire resistance, cracking resistance, leakage resistance, moisture resistance, sliding resistance, earthquake resistance and the like.

Description

technical field [0001] The invention belongs to building thermal insulation materials, in particular to a building thermal insulation dry powder mortar. Background technique [0002] In recent years, the construction industry has applied more and more widely to the method of painting thermal insulation materials at the level of building walls to ensure that the buildings have sealing, ventilation, thermal insulation and energy-saving performances. Existing inorganic thermal insulation mortar materials, such as Chinese patent application 200610072751.X (a wall thermal insulation rubber material and its preparation method and use method) and Chinese patent application 200810047858.8 (building thermal insulation mortar). They mainly used modified cement, fly ash, desulfurized gypsum, vitrified microbeads, closed-cell perlite, vermiculite, fiber and other materials, but their thermal insulation performance, weather resistance, compression resistance, antifreeze, crack resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
Inventor 王荣
Owner 王荣
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