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Thermal-insulation and humidity-regulating foam concrete material and preparation method thereof

A technology of foam concrete and humidity control materials, applied in the field of building materials, can solve problems such as insufficient range of humidity adjustment, no evaluation of humidity control effect, weak humidity control ability of gypsum, etc., achieve good humidity control and heat preservation performance, and easy pore structure The effect of simple control and preparation process

Active Publication Date: 2015-08-12
HUBEI UNIV OF TECH
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Problems solved by technology

[0003] In order to improve the humidity control ability of foam concrete, some scholars have carried out research. For example, Chinese invention patent 201410100140.6 discloses an air-conditioning foam concrete material and its preparation method. Clay is used as a humidity control agent to improve the humidity control ability of foam concrete. The evaluation of the humidity control effect is given. The article "Research on the Humidity Control Performance of New Gypsum-Based Foam Concrete" uses gypsum as the cementitious material to prepare foam concrete, and uses the humidity control characteristics of gypsum to improve the humidity control ability of foam concrete. Poor ability to adjust humidity range insufficiently

Method used

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  • Thermal-insulation and humidity-regulating foam concrete material and preparation method thereof

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Embodiment 1-5

[0025] Humidity-adjusting and heat-insulating foam concrete is composed of cement, fly ash, humidity-adjusting material, foaming agent, stabilizer and water, and the parts by weight of each component are shown in Table 1.

[0026] In the raw material that following embodiment adopts:

[0027] The strength grade of ordinary Portland cement is not less than 42.5;

[0028] The humidity control material is zeolite powder with a fineness of 100-200 mesh.

[0029] The stabilizer is calcium lauryl sulfate, chemically pure.

[0030] Its preparation comprises the following steps:

[0031] 1) immersing the humidity-conditioning material in the foaming agent to saturation to obtain a pre-treated humidity-conditioning material that pre-absorbs the foaming agent;

[0032] 2) Mix cement, fly ash, and stabilizer evenly, then add water and stir evenly to form a uniform slurry, then add pretreatment humidity-adjusting materials, stir evenly, let stand for foaming, and release the mold after...

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Abstract

The invention relates to a thermal-insulation and humidity-regulating foam concrete material which is characterized by being composed of following components, by weight: 35-45 parts of cement, 15-25 parts of fly ash, 5-10 parts of a humidity-regulating material, 1-2 parts of a stabilizing agent, 3-5 parts of a foaming agent and 24-32 parts of water. The thermal-insulation and humidity-regulating foam concrete material satisfies design requirements of technical indexes and has an excellent thermal-insulation and humidity-regulating performance.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a humidity-adjusting and heat-retaining foam concrete material and a preparation method thereof. Background technique [0002] Foam concrete is a kind of porous concrete with a large number of pores inside, which is hardened by introducing appropriate amount of tiny air bubbles into cement slurry or cement mortar through physical or chemical methods. It is usually used in engineering occasions such as energy-saving insulation, noise control, high-rise buildings, shock absorption and buffering, and irregular space filling. At present, the thermal insulation and heat insulation functions of foam concrete have been widely used. However, with the improvement of people's living standards, the functional requirements for building materials are also higher. For example, to adjust indoor humidity and create a more comfortable environment, foam concrete is required...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B18/08
CPCY02W30/91
Inventor 张运华袁颂东陈仕强熊鹏王兰罗战冷文辉蔡伟
Owner HUBEI UNIV OF TECH
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