Environment-friendly inorganic thermal insulation material and preparation method thereof

An inorganic thermal insulation material, an environmentally friendly technology, applied in the field of thermal insulation materials, can solve the problems of poor compression resistance, insufficient bonding strength, poor heat insulation performance, etc., to achieve enhanced anti-corrosion performance and compression performance, excellent fire and anti-corrosion performance, Excellent heat insulation performance

Inactive Publication Date: 2019-09-17
南京亮而彩新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current inorganic thermal insulation materials have a single function, poor compressive performance, and poor thermal insulation performance. The thermal insulation materials using water glass as the adhesive have a long curing time and insufficient bonding strength, which limits their scope of use. And th

Method used

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  • Environment-friendly inorganic thermal insulation material and preparation method thereof
  • Environment-friendly inorganic thermal insulation material and preparation method thereof
  • Environment-friendly inorganic thermal insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0016] Example 1

[0017] The components and contents of the raw materials of the environmentally friendly inorganic thermal insulation material are shown in Table 1 below.

[0018] Table 1 Insulation material components and contents of Example 1

[0019]

[0020]

[0021] The preparation method of the thermal insulation material includes the following steps:

[0022] (1) Add titanium dioxide and sepiolite powder to potassium water glass in parts by weight, stir and disperse for 20 minutes, add expanded perlite and sepiolite fiber and stir at 1500r / min for 30 minutes at high speed to prepare mixture A;

[0023] (2) Mix zinc powder, phosphorus iron powder, polyaluminum chloride, hollow glass beads, nano-silica aerogel powder and polysiloxane powder water-repellent agent in parts by weight to prepare mixture B;

[0024] (3) The mixture A and the mixture B are mixed and evenly stirred to prepare the insulation material.

Example Embodiment

[0025] Example 2

[0026] The components and contents of the raw materials of the environmentally friendly inorganic thermal insulation material are shown in Table 2 below.

[0027] Table 2 Insulation material components and contents of Example 2

[0028] Component content Potassium water glass45 Meerschaum powder10 Sepiolite fiber8 Expanded perlite3 Titanium Dioxide5 Zinc powder8 Phosphorus iron powder5 Polyaluminum chloride5 Hollow glass beads10 Nano silica aerogel powder5 Polysiloxane powder water repellent3

[0029] The preparation method of the thermal insulation material includes the following steps:

[0030] (1) Add titanium dioxide and sepiolite powder to potassium water glass in parts by weight, stir and disperse for 20 minutes, add expanded perlite and sepiolite fiber and stir at 1500r / min for 30 minutes at high speed to prepare mixture A;

[0031] (2) Mix zinc powder, phosphorus iron powder, polyaluminum chloride, hollow glass beads, nano-silica aerogel powder a...

Example Embodiment

[0033] Example 3

[0034] The components and contents of the raw materials of the environmentally friendly inorganic thermal insulation material are shown in Table 3 below.

[0035] Table 3 Insulation material components and content of Example 3

[0036] Component content Potassium water glass40 Meerschaum powder6 Sepiolite fiber6 Expanded perlite1 Titanium Dioxide6 Zinc powder5 Phosphorus iron powder5 Polyaluminum chloride4 Hollow glass beads8 Nano silica aerogel powder4 Polysiloxane powder water repellent2

[0037] The preparation method of the thermal insulation material includes the following steps:

[0038] (1) Add titanium dioxide and sepiolite powder to potassium water glass in parts by weight, stir and disperse for 20 minutes, add expanded perlite and sepiolite fiber and stir at 1500r / min for 30 minutes at high speed to prepare mixture A;

[0039] (2) Mix zinc powder, phosphorus iron powder, polyaluminum chloride, hollow glass beads, nano-silica aerogel powder and ...

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Abstract

The invention discloses an environment-friendly inorganic thermal insulation material and a preparation method thereof. The environment-friendly inorganic thermal insulation material is prepared from sodium silicate, sepiolite powder, sepiolite fibers, expanded perlite, titanium dioxide, zinc powder, ferrophosphorus powder, polyaluminum chloride, hollow glass microspheres, nano silica aerogel powder and an organic silicone water repellent; the preparation method comprises the steps of firstly, adding the titanium dioxide and the sepiolite powder into the sodium silicate, stirring and dispersing; adding the expanded perlite and the sepiolite fibers to prepare a mixture A; then, mixing the zinc powder, the ferrophosphorus powder, the polyaluminum chloride, the hollow glass microspheres, the nano silica aerogel powder and the organic silicone water repellent to prepare a mixture B; finally, mixing the mixture A with the mixture B, and evenly stirring to prepare the thermal insulation material. The thermal insulation material is prepared by compounding the raw materials, thus being good in thermal insulation performance, strong in compression resistance and crack resistance and excellent in fire resistance and corrosion resistance; furthermore, the environment-friendly inorganic thermal insulation material is safe and environmentally-friendly.

Description

technical field [0001] The invention belongs to the field of thermal insulation materials, in particular to an environment-friendly inorganic thermal insulation material and a preparation method thereof. Background technique [0002] Insulation materials are a necessity in the fields of construction, chemical industry, thermoelectricity and so on. At present, most of the insulation materials are organic insulation materials. The production, preparation and use of commonly used organic thermal insulation materials will have an impact on the environment, and organic thermal insulation materials are easy to burn and produce harmful gases in a fire. Therefore, inorganic thermal insulation materials with fireproof properties are favored. [0003] The thermal expansion coefficient of the inorganic thermal insulation material is small, and the performance of anti-cracking and anti-shedding is excellent. However, the current inorganic thermal insulation materials have a single fun...

Claims

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Application Information

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IPC IPC(8): C04B28/26
CPCC04B28/26C04B2111/00008C04B2111/00017C04B2201/32C04B2201/50C04B14/042C04B14/4643C04B14/185C04B14/305C04B14/34C04B22/12C04B14/24C04B14/064C04B24/42
Inventor 贲建栋鲁钢袁雅琼
Owner 南京亮而彩新材料有限公司
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