Composite silicate external-wall thermal-insulation material and preparation method thereof
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A composite silicate and exterior wall insulation technology, applied in the field of building materials, can solve problems such as poor insulation performance, achieve good wind pressure resistance, not easy to corrode, and improve water resistance
Inactive Publication Date: 2016-12-07
合肥广能新材料科技有限公司
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[0005] In order to solve the problems of poor thermal insulation performance existing in existing inorganic thermal insulation materials, the present invention proposes a composite silicate exterior wall thermal insulation material, which not only has good thermal insulation performance, good crack resistance, good fireproof and waterproof performance, but also very Environmental friendly
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Embodiment 1
[0026] The modified open-cell expanded perlite is prepared by the following method:
[0027] Mix open-cell expanded perlite and fly ash (the mass ratio of open-cell expanded perlite to fly ash is 8:1), put it into the emulsified paraffin solution, and heat it to 40°C for 2 hours, then Dry at 25°C.
Embodiment 2
[0029] The modified open-cell expanded perlite is prepared by the following method:
[0030] Mix open-cell expanded perlite and fly ash (the mass ratio of open-cell expanded perlite to fly ash is 15:1), put it into the emulsified paraffin solution, and heat it to 60°C for 1 hour, then Dry at 32°C.
Embodiment 3
[0032] A composite silicate external wall insulation material, comprising the following raw materials in parts by weight:
[0033] 35 parts of cement, 40 parts of modified open-cell expanded perlite prepared in Example 1, 35 parts of slag, 25 parts of sepiolite, 12 parts of composite fiber material, 6 parts of anti-cracking fiber, 3 parts of sodium hexametaphosphate, sulfonic acid 4 parts of melamine formaldehyde resin, 3 parts of N-dodecyl ethanolamine and 3 parts of ceramic glue
[0034] The preparation method comprises the following steps:
[0035] 1) According to the above ratio, weigh cement, modified open-cell expanded perlite, slag, sepiolite, composite fiber material, anti-crack fiber, sodium hexametaphosphate, sulfonated melamine formaldehyde resin, N-dodecyl Ethanolamine and ceramic glue are spare;
[0036] 2) Dry grinding and mixing of slag and cement;
[0037] 3) Mix the sepiolite with the composite fiber material and anti-cracking fiber to obtain a mixed homoge...
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Abstract
The invention provides a composite silicate external-wall thermal-insulation material and a preparation method thereof. The composite silicate external-wall thermal-insulation material is prepared from the following raw materials in parts by weight: 30-40 parts of cement, 30-50 parts of modified open-cell expanded perlite, 30-40 parts of mineral slag, 20-30 parts of meerschaum, 10-15 parts of composite fiber, 4-8 parts of crack-resistant fiber, 2-4 parts of dispersing agent, 3-5 parts of high efficiency water reducing agent, 1-5 parts of foaming agent and 2-4 parts of ceramic adhesive. The preparation method comprises the following steps: stirring and mixing the raw materials, and curing. The thermal-insulation material has the advantages of favorable thermal-insulation property, favorable crack resistance, favorable fire resistance, favorable water resistance and environment friendliness.
Description
technical field [0001] The invention belongs to the field of building materials, and in particular relates to a composite silicate exterior wall thermal insulation material and a preparation method thereof. Background technique [0002] There are many types of insulation materials at home and abroad. According to the classification of materials, thermal insulation materials can be divided into three categories: metal thermal insulation materials, organic thermal insulation materials, and inorganic thermal insulation materials. Metal insulation materials, but the supply of this material is very small and the price is very expensive. As a building insulation material, it will greatly increase the cost and cannot be widely used. Organic thermal insulation materials are easy to burn, easy to produce toxic gas at high temperature, and have poor aging resistance and fire resistance. These shortcomings limit the wide use of organic thermal insulation materials. [0003] Composite...
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