Mortar-coated heat-preserving plate

A thermal insulation board and mortar technology, applied in thermal insulation, insulation improvement, building components, etc., can solve the problems of airgel fragility and water combination, airgel is easy to break, etc., to reduce hollowing, reduce cracking, Guarantee the effect of thermal conductivity

Active Publication Date: 2014-09-24
江苏圣奎节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a kind of insulation board coated with mortar and its surface-modified airgel insulation mortar for the deficiencies of the prior art. The technical problem that airgel is easy to break in the traditional process solves the defect of airgel's own physical properties that are brittle and combined with water; the thermal insulation mortar prepared after reasonable compatibility with other components has excellent temperature stability and chemical stability sex

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0033] A surface-modified airgel thermal insulation mortar, comprising: 30 parts of Portland cement, 5 parts of brucite fiber, 20 parts of perlite, 0.2 part of hypromellose, 0.05 part of polypropylene fiber, calcium stearate 0.1 parts, 15 parts of modified airgel particles, 0.12 parts of additives;

[0034] Among them, the auxiliary agent is a mixture of early strength agent, water reducer and regulator, 0.04 part of early strength agent, 0.04 part of water reducer, and 0.04 part of regulator;

[0035] A surface modifier for surface modification of airgel particles, comprising the following components in parts by weight: 0.5 parts of sodium silicate aqueous solution, 0.5 parts of organic silicon surfactant, and 2 parts of water; aqueous sodium silicate solution, organic silicon surface The active agent and water are uniformly mixed to form a surface modifier, and the surface of the airgel is sprayed three times, and the modified airgel particles are obtained after drying; the ...

Embodiment 2

[0037] A surface-modified airgel thermal insulation mortar, comprising: 40 parts of Portland cement, 10 parts of brucite fiber, 30 parts of perlite, 0.4 part of hypromellose, 0.2 part of polypropylene fiber, calcium stearate 1 part, 25 parts of modified airgel particles, 0.99 parts of additives;

[0038] Among them, the auxiliary agent is a mixture of early strength agent, water reducing agent and regulator, 0.33 parts of early strength agent, 0.33 parts of water reducing agent, and 0.33 parts of regulator;

[0039] The surface modifier for surface modification of airgel particles includes the following components in parts by weight: 1 part of sodium silicate aqueous solution, 1 part of organic silicon surfactant, and 4 parts of water; aqueous sodium silicate solution, organic silicon surface The active agent and water are uniformly mixed to form a surface modifier, and the surface of the airgel is sprayed three times to obtain modified airgel particles after drying; the weight ...

Embodiment 3

[0041] A surface-modified airgel thermal insulation mortar, comprising: 33 parts of Portland cement, 7 parts of brucite fiber, 23 parts of perlite, 0.3 part of hypromellose, 0.1 part of polypropylene fiber, calcium stearate 0.5 parts, 17 parts of modified airgel particles, 0.3 parts of additives;

[0042] Among them, the auxiliary agent is a mixture of early strength agent, water reducer and regulator, 0.1 part of early strength agent, 0.1 part of water reducer, and 0.1 part of regulator;

[0043] The surface modifier for surface modification of airgel particles includes the following components in parts by weight: 0.7 parts of sodium silicate aqueous solution, 0.7 parts of organic silicon surfactant, 3.2 parts of water; aqueous sodium silicate solution, organic silicon surface The active agent and water are evenly mixed to form a surface modifier, and the surface of the airgel is sprayed three times, and the modified airgel particles are obtained after drying; the weight rati...

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Abstract

The invention discloses a mortar-coated heat-preserving plate which comprises a base plate. Glass fiber cloth layers are attached to the upper end face and/or the lower end face of the base plate. Mortar layers are arranged on the glass fiber layers on the upper end face and/or the lower end face in a coated mode, mortar comprises 33-37 parts of silicate cement, 6-7 parts of brucite fibers, 23-27 parts of expanded perlite, 0.3 part of hydroxypropyl methylcellulose, 0.1 part of polypropylene fibers, 0.5 part of calcium stearate, 17-26 parts of modified aerogel particles and 0.3-0.6 part of a promoter. The modified aerogel particles are prepared due to the fact that a surface modifier is sprayed on the surfaces of aerogel particles for surface modification. The heat-preserving mortar is made of inorganic materials, is resistant to acid, alkali and corrosion, does not crack or disengage, is high in stability, is identical to a building wall in service life, and has excellent temperature stability and chemical stability. Surface modification is carried out on the aerogel particles, so that the physical property that the aerogel particles are easy to break and can be easily combined with water is overcome, the heat conductivity of the surface-modified aerogel heat-preserving mortar reaches below 0.04W/m.K, and the heat-preserving effect of the heat-preserving mortar is improved.

Description

technical field [0001] The invention relates to a thermal insulation board, which belongs to the field of building materials. Background technique [0002] my country's external wall insulation includes organic insulation systems, inorganic insulation systems, and organic and inorganic composite insulation materials. Among them, organic insulation materials are mainly used. The production and construction technology is very mature, but they cannot be fireproof, pollute the environment, and are easy to age. Inorganic thermal insulation mortar materials have received widespread attention due to their advantages such as low finished product, high strength, thermal insulation, fire prevention, and weather resistance. [0003] At present, the inorganic thermal insulation mortars used in construction projects include the following types: expanded perlite thermal insulation mortar, closed-cell perlite thermal insulation mortar, ceramic sand thermal insulation mortar or nano-silica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/80C04B28/04C04B14/28C04B14/18C04B24/38C04B16/06
CPCY02A30/24Y02B80/10
Inventor 何奕马江川
Owner 江苏圣奎节能科技有限公司
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