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Inorganic foamed concrete insulation board and preparation method thereof

An inorganic foaming and thermal insulation board technology, which is used in ceramic products, other household appliances, household appliances, etc., can solve the problems of high bulk density, long condensation time, and poor thermal conductivity of thermal insulation boards, and achieves low thermal conductivity and good thermal insulation effect. , the effect of low density

Inactive Publication Date: 2013-05-08
杨奎利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention aims at technical problems such as high bulk density, poor thermal conductivity, long setting time and easy collapse of the thermal insulation board existing in the processing process of the traditional physical foamed concrete thermal insulation board, and provides a new type of inorganic foamed concrete thermal insulation board and its preparation method

Method used

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  • Inorganic foamed concrete insulation board and preparation method thereof
  • Inorganic foamed concrete insulation board and preparation method thereof
  • Inorganic foamed concrete insulation board and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0025] No. 32.5 cement, water, latex powder, early strength agent, calcium formate, water reducing agent, waterproofing agent and calcium stearate according to the ratio of 1: 0.6: 0.1: 0.2%: 0.2%: 0.2%: 0.2%: 0.2% Mixing by weight ratio, and stirring once until uniform; then, pulverizing the agitated material; then, mixing the pulverized material with fibers and then stirring again until uniform, the weight ratio of the fiber to the cement is 0.1%:1, Afterwards, the secondary mixture is foamed by a concrete foaming machine, and then poured.

Embodiment 2

[0027] No. 32.5 cement, water, latex powder, early strength agent, calcium formate, water reducing agent, waterproofing agent and calcium stearate according to the ratio of 1: 0.7: 0.5: 0.5%: 0.5%: 0.5%: 0.5%: 0.5% Mixing by weight ratio, and stirring once until uniform; then, pulverizing the agitated material; then mixing the pulverized material with fibers and stirring again until uniform, the weight ratio of the fiber to the cement is 0.3%: 1, and then Foam the secondary mixture through a concrete foaming machine before pouring.

Embodiment 3

[0029] No. 32.5 cement, water, industrial emulsion, early strength agent, calcium formate, water reducing agent, waterproofing agent and calcium stearate according to the ratio of 1: 0.65: 0.3: 0.4%: 0.4%: 0.4%: 0.4%: 0.4% Mixing by weight ratio, and stirring once until uniform; then, pulverizing the agitated material; then mixing the pulverized material with fibers and stirring again until uniform, the weight ratio of the fiber to the cement is 0.2%: 1, and then Foam the secondary mixture through a concrete foaming machine before pouring.

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Abstract

The invention provides an inorganic foamed concrete insulation board and a preparation method thereof. The insulation board comprises foamed concrete, and has density of 160-250kg / m<3>, compressive strength of 0.3-0.5 MPa, and coefficient of thermal conductivity of 0.05-0.062 W / m.K. The prepared insulation board has the characteristics of low unit weight and good heat insulation effect, and can be widely used as an insulation material in the field of construction.

Description

technical field [0001] The invention relates to a thermal insulation material and a preparation method thereof, in particular to an inorganic foamed concrete thermal insulation board and a preparation method thereof. Background technique [0002] Foamed concrete, also known as foamed concrete, is to introduce nitrogen, carbon dioxide, oxygen or air into the concrete slurry by chemical or physical means according to the application requirements, and after molding and reasonable maintenance, the formation contains a large number of holes and has a certain strength. concrete products. Foam concrete can be divided into cement foam concrete, magnesite foam concrete, gypsum foam concrete and pozzolanic cement foam concrete according to the composition of cementing materials; according to the type of main filler used, it can be divided into fly ash foam concrete and slag foam concrete , Straw foam concrete; according to density, it can generally be divided into six grades, namely ...

Claims

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Application Information

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IPC IPC(8): C04B38/00C04B28/00
Inventor 杨奎利
Owner 杨奎利
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