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External wall insulation material and preparation method thereof

A technology for external wall insulation and thermal insulation boards, applied in thermal insulation, manufacturing tools, building components, etc., can solve problems such as flammability, toxicity, and toxic smoke, and achieve the effect of improving strength and stability and improving fire resistance

Inactive Publication Date: 2017-05-31
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

[0003] Polystyrene foam insulation board is widely used in the external wall insulation industry, but it has the disadvantages of being flammable and toxic
Ordinary polystyrene foam insulation boards are easy to burn, and the smoke produced by burning is toxic. Even after adding flame retardants, the flammability can only reach Class B

Method used

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  • External wall insulation material and preparation method thereof
  • External wall insulation material and preparation method thereof
  • External wall insulation material and preparation method thereof

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Embodiment Construction

[0023] Pore ​​size distribution and total void volume of special castable layer compared with ordinary castable layer (table)

[0024]

[0025] Conclusion: The pore size distribution of special castables is smaller than that of ordinary castables. With the increase of high-purity ultrafine alumina (ultrafine powder) content, the apparent porosity and median diameter of castables after heat treatment at different temperatures decrease rapidly. It can be seen that The addition of ultra-fine powder can fill the gaps between the castable aggregates, making them smaller or even disappear, making the material more dense, and the median diameter of the pores also becomes smaller.

[0026] The compressive strength of the castable layer is related to the overall porosity gauge, the smaller the porosity, the greater the strength. The total porosity of the special pouring material layer is smaller than that of the ordinary pouring material layer, so the strength of the special pouring...

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Abstract

The invention relates to the field of buildings, and in particular relates to an external wall insulation material for civil engineering. A mesh-less system is formed by connecting a polystyrene foam insulation board and a special pouring material layer together through a nylon anchor bolt, wherein the special pouring material layer is composed of 60-70% of low-calcium high-aluminum low cement and 25-35% of aluminum silicate clinker. The fire resistance and thermal insulation are greatly improved, and due to the high-aluminum low cement pouring material, the strength and stability of the thermal insulation external wall material are improved.

Description

technical field [0001] The invention relates to the field of construction, in particular to an external wall thermal insulation material for civil engineering. [0002] technical background [0003] Polystyrene foam insulation board is widely used in the external wall insulation industry, but it has the disadvantages of being flammable and toxic. Ordinary polystyrene foam insulation boards are easy to burn, and the smoke produced by burning is toxic. Even after adding flame retardants, the flammability can only reach Class B. Contents of the invention [0004] The object of the present invention is to provide an external wall thermal insulation material and its preparation method, which greatly improves the fire resistance and heat insulation performance, and improves the strength and stability of the thermal insulation external wall material through the high-aluminum low-cement castable. [0005] An external wall thermal insulation material, which consists of a polystyren...

Claims

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Application Information

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IPC IPC(8): C04B35/66E04B1/80E04B1/94B28B23/00
CPCC04B35/66B28B23/00E04B1/80E04B1/942
Inventor 武心智
Owner SHANDONG UNIV OF SCI & TECH
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