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Hydrophobic vitrified micro bubble thermal insulation mortar and preparation method thereof

A technology of vitrified microbeads and thermal insulation mortar, which is applied in the field of building materials, can solve the problems of decreased thermal insulation performance of vitrified microbead thermal insulation mortar, shortened service life, and increased thermal conductivity, and achieves easy control of preparation conditions, simple operation, and solution The effect of increasing the thermal conductivity

Inactive Publication Date: 2020-08-11
HUAXIN CEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high water absorption of the vitrified microbeads, it is easy to absorb moisture when exposed to a humid environment. After the material absorbs moisture, the density increases, and the thermal bridge effect causes the thermal conductivity to increase, thus making the heat preservation of the vitrified microbead insulation mortar Significant performance degradation resulting in a significant reduction in its service life

Method used

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  • Hydrophobic vitrified micro bubble thermal insulation mortar and preparation method thereof

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preparation example Construction

[0039] The preparation method of the above-mentioned hydrophobic vitrified microbead thermal insulation mortar comprises the following steps:

[0040] Mixing steps: mixing evenly the hydrophobic vitrified microbeads, cement, fly ash, water-retaining material, hydrophobic powder and water in the formula to obtain the semi-finished product of the hydrophobic vitrified microbead thermal insulation mortar;

[0041] The steps of preparing the finished product: mix the silicone water repellent agent and water evenly to obtain a silicone water repellent agent solution, and then spray it on the surface of the semi-finished product of the hydrophobic vitrified microbead thermal insulation mortar to obtain a hydrophobic vitrified microbead thermal insulation mortar Finished mortar.

[0042] As a further embodiment, in the step of preparing the finished product, the organosilicon water repellent is mixed with water at a volume ratio of 1:5-30.

Embodiment 1

[0044] A kind of hydrophobic vitrified microbead thermal insulation mortar, comprising the following components in parts by weight:

[0045] 30 parts of hydrophobic vitrified microbeads, 20 parts of cement, 5 parts of fly ash, 0.01 part of water-retaining material, 0.5 parts of polysiloxane water-repellent powder, and 50 parts of water.

[0046] Wherein, the water-retaining material is methyl cellulose ether.

[0047] In addition, the preparation steps of hydrophobic vitrified microbeads include: mixing sodium methyl silicate water repellent and water at a volume ratio of 1:5 to obtain a silicone water repellent solution, and then soaking the vitrified microbeads in it, The soaking temperature is 20° C. for 0.5 h, and then placed in a desiccator at room temperature and dried to constant weight to obtain hydrophobic vitrified microbeads.

[0048] The preparation method of the above-mentioned hydrophobic vitrified microbead thermal insulation mortar comprises the following step...

Embodiment 2

[0052] A kind of hydrophobic vitrified microbead thermal insulation mortar, comprising the following components in parts by weight:

[0053] 70 parts of hydrophobic vitrified microbeads, 70 parts of cement, 30 parts of fly ash, 0.5 parts of water-retaining material, 0.05 parts of polysiloxane water-repellent powder, and 200 parts of water.

[0054] Among them, the water-retaining material is hydroxypropyl methylcellulose ether and hydroxyethyl methylcellulose ether.

[0055] In addition, the preparation steps of hydrophobic vitrified microbeads include: mixing sodium methyl silicate water repellent and water at a volume ratio of 1:50 to obtain a silicone water repellent solution, then soaking vitrified microbeads in it, soaking The temperature is 50° C., the time is 2 hours, and then dried in a desiccator at room temperature to constant weight to obtain hydrophobic vitrified microbeads.

[0056] The preparation method of the above-mentioned hydrophobic vitrified microbead therm...

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Abstract

The invention discloses hydrophobic vitrified micro bubble thermal insulation mortar which comprises the following components in parts by weight: 30-70 parts of hydrophobic vitrified micro bubbles, 20-70 parts of cement, 1-30 parts of fly ash, 0.01-0.5 parts of a water retention material, 0.01-0.5 parts of hydrophobic powder and 50-250 parts of water. The invention also discloses a preparation method of the hydrophobic vitrified micro bubble thermal insulation mortar. The hydrophobic vitrified micro bubble thermal insulation mortar disclosed by the invention can keep excellent thermal insulation performance in a humid environment, and is excellent in weather resistance and long in service life. The preparation method is simple and convenient to operate, the preparation conditions are easyto control, the requirements on production equipment are low, and the method can easily realize industrial production.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a hydrophobic vitrified bead thermal insulation mortar and a preparation method thereof. Background technique [0002] As the problem of energy consumption becomes more and more serious, enhancing energy utilization efficiency and saving energy is an important social awareness in today's world. Building energy saving is one of the important ways to reduce energy consumption. Building energy saving refers to reducing energy consumption as much as possible under the condition of meeting the same needs or achieving the same purpose in the process of building material production, building construction and structure construction and use. In buildings, the heat loss of the external wall enclosure structure is relatively large, and the wall is the main component of the external enclosure structure. According to the principle of value engineering, the development of external w...

Claims

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Application Information

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IPC IPC(8): C04B28/02C04B38/08C04B111/27
CPCC04B28/02C04B38/08C04B2111/27C04B14/24C04B18/08C04B24/42C04B24/383
Inventor 房猛李莎王义恒
Owner HUAXIN CEMENT