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Thermal-insulation anti-cracking composite coating

A composite coating and anti-cracking technology, which is applied in the direction of filling slurry, etc., can solve the problems that cracks are difficult to eliminate, and cannot have high strength and high thermal insulation performance, so as to avoid cracks that are difficult to eliminate, save indoor space and cost, effect of low thermal conductivity

Inactive Publication Date: 2005-01-19
SHANGHAI BENNIAO CONSTR ENRICHMENT ENERGY SAVING PROJECT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an internal thermal insulation and anti-cracking composite coating, which overcomes the defect of high strength and high thermal insulation performance in the prior art, and also avoids the problem that cracks are difficult to eliminate in the prior art

Method used

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  • Thermal-insulation anti-cracking composite coating
  • Thermal-insulation anti-cracking composite coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1. The production method of inner wall thermal insulation putty (1)

[0016] Put 300kg of expanded perlite, 600kg of acrylic emulsion, 100kg of methyl cellulose colloid, 10kg of sodium methyl siliconate, and 1kg of sodium benzoate into a mixer according to a conventional method and stir evenly. According to the above production method, the main performance indicators of the interior wall thermal insulation putty are: compressive strength ≥ 0.5Mpa; shear strength ≥ 0.25Mpa; thermal conductivity ≤ 0.08w / m.k.

[0017] 2. How to make elastic putty (2)

[0018] Pour 400kg of light calcium carbonate, 200kg of acrylic elastic emulsion, 100kg of methyl cellulose colloid, 1kg of sodium benzoate, and 200g of defoamer into the mixer, and stir evenly according to the conventional method. According to the above production method, the main performance indicators of the elastic putty are: drying time (surface dry) 0.25Mpa; dynamic crack resistance ≥0.5mm.

[0019] 3. The effect of t...

Embodiment 2

[0033] Put 308kg of expanded perlite, 660kg of acrylic emulsion, 121kg of methyl cellulose colloid, 10.1kg of sodium methyl siliconate, and 0.88kg of sodium benzoate into a mixer according to a conventional method and stir evenly to make an inner wall thermal insulation putty. Pour 342kg of light calcium carbonate, 174kg of acrylic elastic emulsion, 82.8kg of methyl cellulose colloid, 0.72kg of sodium benzoate, and 150g of defoamer into the mixer, and stir evenly according to the conventional method to make elastic putty. Other implementation conditions are as embodiment 1.

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Abstract

The invention provides a composite material for interior wall thermal insulation and crack withstanding used for fencing construction of buildings, which comprises thermal insulation putty and elastic putty. The invention also provides the construction method of the thermal insulation composite coating.

Description

technical field [0001] The invention relates to building materials, in particular to a composite coating which is effectively combined with two kinds of materials and is suitable for meeting the thermal insulation requirements of building envelopes and has the function of thermal insulation and anti-cracking. Background technique [0002] With the economic development of society, energy-saving buildings and related materials are becoming more and more popular. Therefore, the thermal insulation problem of buildings has attracted people's attention day by day. However, some insulation materials currently on the market generally have the following problems. For example, there is a contradiction between the strength and thermal conductivity of the insulation material. When the strength meets the requirements, the thermal conductivity is high; when the thermal conductivity meets the requirements, the strength is low. Or, tortoise cracks generally appear on the surface of the wal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
Inventor 胡志伟
Owner SHANGHAI BENNIAO CONSTR ENRICHMENT ENERGY SAVING PROJECT
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