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Heat-insulating mortar for external wall of building

A technology for thermal insulation mortar and building exterior walls, applied in the field of thermal insulation mortar, can solve the problems of general thermal insulation performance, difficult construction, low strength, etc., and achieve the effect of good thermal insulation performance, low cost and high strength

Inactive Publication Date: 2005-11-02
宁波荣山新型材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the technical problems existing in the prior art, such as difficult construction, low strength, average thermal insulation performance and high cost, and provides an external wall thermal insulation mortar with simple construction, high strength, good thermal insulation performance and low cost

Method used

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  • Heat-insulating mortar for external wall of building
  • Heat-insulating mortar for external wall of building
  • Heat-insulating mortar for external wall of building

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1: As shown in Table 1, the formula of the building exterior wall insulation mortar that adopts is (by weight): 100 parts of 425R ordinary silicate, 100 parts of primary fly ash, 1.2 parts of superplasticizer, 0.2 parts of micro-foam air-entraining agent, 20 parts of expanded perlite, 10 parts of surface fused expanded perlite, 20 parts of floating beads, 0.8 parts of alkali-resistant short glass fiber, redispersible polyethylene / polyvinyl chloride / polyethylene 8 parts of acrylate terpolymer rubber powder, 0.4 parts of cellulose ether thickener, and 1.2 parts of calcium formate strength activator, after being uniformly mixed in sections by a mechanical mixer, high-performance, low-cost, and environmentally friendly fibers can be obtained Reinforced polymer modified high fly ash content building exterior wall insulation mortar. The physical and chemical performance test results of the mortar are as follows:

[0021] project

Physical and chemical...

Embodiment 5

[0026] Embodiment 5: As shown in Table 3, the formula of the building exterior wall insulation mortar that adopts is (by weight): 100 parts of 525R ordinary silicate, 80 parts of primary fly ash, 1.0 part of high-efficiency water reducer, 0.3 parts of micro-foam air-entraining agent, 10 parts of expanded perlite, 10 parts of lightweight ceramsite, 6 parts of expanded polystyrene particles, 0.6 parts of high elastic modulus surface-modified polypropylene monofilament staple fiber, redispersible 5 parts of polypropylene / polyvinyl laurate / polyvinyl acetate terpolymer rubber powder, 0.3 part of cellulose ether thickener, 1.0 part of sodium sulfate strength activator, after being uniformly mixed in stages by a mechanical mixer, that is Obtain high-performance, low-cost, environment-friendly fiber-reinforced polymer modified high fly ash content building exterior wall insulation mortar. The physical and chemical performance test results of the mortar are as follows:

[0027] ...

Embodiment 6-8

[0028] Embodiment 6-8 is the same as embodiment 5.

[0029] The building exterior wall insulation system obtained by using this insulation mortar has low thermal conductivity, excellent construction performance, excellent water retention performance in summer, high early strength, low volume shrinkage, no cracking, low volume moisture absorption, and high adhesion to the wall. , the advantages of high strength in the later stage.

[0030] Table 5 The amount of each substance contained in the building exterior wall insulation mortar (by weight)

[0031]

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Abstract

The heat insulating mortar for outer building wall consists of hydraulic Portland cement, flyash, high efficiency water reducing agent, compound heat isolating aggregate, short fiber, re-dispersible polymer adhesive powder, and strength activator. It is prepared by means of fiber reinforcing technology, polymer modification technology and comprehensive flyash utilizing technology. It forms heat insulating system for outer building wall has the advantages of excellent heat insulating performance, no cracking, being hydrophobic, high wall adhering strength, excellent construction performance, etc.

Description

technical field [0001] The invention relates to a thermal insulation mortar, in particular to a novel building exterior wall thermal insulation dry-mix mortar prepared by comprehensively adopting fiber reinforcement technology, polymer modification technology and fly ash comprehensive utilization technology. Background technique [0002] Building energy conservation is a long-term strategic policy and basic national policy formulated by our country, and it is the ultimate goal of sustainable development of resources in our country. In the past 20 years, my country's social and economic development level has achieved world-renowned improvement, but in terms of building energy efficiency, compared with Western industrial countries, the gap is still very large. The energy consumption per unit building area in my country is three times that of developed countries with similar climatic conditions, and 95% of buildings are high-energy buildings. Reducing the heat transfer coeffic...

Claims

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Application Information

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IPC IPC(8): C04B28/04
CPCY02W30/91
Inventor 王智宇王小山阮华
Owner 宁波荣山新型材料有限公司
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