High-performance thermal-insulation mortar

A high-performance thermal insulation mortar technology, applied in the field of external wall thermal insulation mortar, can solve the problems of cracking and water seepage of the thermal insulation system, easy burning of the thermal insulation layer, poor fire performance, etc., and achieve the effects of preventing cracking and water seepage, prolonging the service life and good fire performance

Inactive Publication Date: 2015-07-08
TIANJIN WUSHUO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Poor fire resistance, when a fire occurs, the insulation layer is extremely easy to burn;
[0004] 2. Due to the thin anti-cracking protective layer, it cannot protect the internal insulation material. Due to the temperature stress caused by temperature changes, the material is deformed, resulting in cracking and water seepage of the insulation system.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] This specific embodiment adopts the following technical scheme: its mass ratio formula consists of: PO.42.5 cement 25-40%, vitrified microspheres 50-70%, high-performance hollow ceramic microspheres 0.5-2%, polypropylene fiber 1 -1.5%, polymer powder 2-4%, cellulose ether 0.2-0.4%, superplasticizer 0.1-0.3%, air-entraining agent 0.1-0.2%, silicone water repellent 0.1-0.2%, wood fiber 1-1.5%.

[0023] The production technology of this embodiment is:

[0024] (1) First, use a double-screw mixer to mix various additives and auxiliaries in a certain proportion.

[0025] (2) Then input the mixture into the secondary mixer - the forced gravity-free mixer, mix it with cement and fiber, disperse the fiber, and the mixing time should be extended appropriately, and the conveying distance of the fiber mixture should be reduced;

[0026] (3) Finally, the secondary mixture is input into a three-stage mixer—a special mixer for light aggregates, and mixed with vitrified microsph...

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PUM

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Abstract

The invention discloses a high-performance thermal-insulation mortar, and belongs to the technical field of external wall thermal-insulation mortar. The high-performance thermal-insulation mortar is composed of, by mass, 25 to 40% of PO.42.5 cement, 50 to 70% of glass microbead, 0.5 to 2% of high-performance hollow ceramic microbead, 1 to 1.5% of polypropylene fiber, 2 to 4% of polymer latex powder, 0.2 to 0.4% of cellulose ether, 0.1 to 0.3% of a high-efficiency water reducing agent, 0.1 to 0.2% of an air entraining agent, 0.1 to 0.2% of organic silicon water repellent agent, and 1 to 1.5% of wood fiber. The high-performance thermal-insulation mortar is a single-component light dry mortar specially used for external wall thermal-insulation surface layers; combustion performance is capable of reaching A-class non-combustible; the high-performance thermal-insulation mortar is capable of preventing flame spread effectively, is a thermal-insulation material with excellent performance, is capable of protecting internal thermal-insulation layers from aging and deformation effectively, and prolonging service life of thermal-insulation systems.

Description

technical field [0001] The invention relates to the technical field of thermal insulation mortar for external walls, in particular to a high-performance thermal insulation mortar. Background technique [0002] At present, the thin plastering system is mostly used for external wall insulation in China. It is to apply a crack-resistant protective layer on the surface of the insulation board, about 3-5mm thick, to protect the insulation material. Due to the thin anti-crack protection layer, there are many disadvantages: [0003] 1. Poor fire resistance, when a fire occurs, the insulation layer is extremely easy to burn; [0004] 2. Due to the thin anti-crack protective layer, it cannot protect the internal insulation material due to temperature stress caused by temperature changes, which will cause material deformation, resulting in cracking and water seepage of the insulation system. Contents of the invention [0005] The purpose of this invention is to provide a high-perf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/22C04B16/06
Inventor 王剑武步春玲
Owner TIANJIN WUSHUO TECH CO LTD
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