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Nano-Si-based composite thermal insulation paint and preparation method thereof

A nano-silicon and coating technology, applied in the field of thermal insulation coatings, can solve the problems of powder and slag removal from coatings, low thermal conductivity at high temperature, and high thermal conductivity at high temperature, and achieve the effects of low thermal insulation thickness, low thermal conductivity at high temperature, and good sealing effect.

Inactive Publication Date: 2018-01-19
烟台科立达节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of powder and slag falling off after drying, high thermal conductivity at high temperature, unfavorable for environmental protection and high cost of existing coatings, and to provide a nano-silicon that will not burn off and fall off, high temperature resistance, and low thermal conductivity at high temperature Composite thermal insulation coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. Nano-silicon-based composite heat-insulating coating, including the following raw materials in parts by weight: 25 Kg of waste high-silica cotton, 10 Kg of fast penetrating agent T10 Kg, 20 Kg of attapulgite hydrosol, 10 Kg of silica hydrosol, and 80 Kg of vitrified microbeads Kg, floating beads 5Kg, expanded perlite 10 Kg, water 380 Kg;

[0020] The attapulgite hydrosol is a high-concentration hydrosol with a mass concentration greater than 40%, which is formed by dispersing ultrafine attapulgite with a fineness of more than 800 mesh by an ultra-high-speed disperser;

[0021] The silica hydrosol is a high-concentration hydrosol with a mass concentration greater than 50%, which is formed by dispersing 20 nanometer silica by an ultra-high-speed disperser;

[0022] The preparation method of the above-mentioned nano-silicon-based composite thermal insulation coating comprises the following steps:

[0023] 1. Treatment of waste fiber cotton: use a shearing card...

Embodiment 2

[0029] Example 2. Nano-silicon-based composite heat-insulating coating, including the following raw materials by weight: waste glass fiber cotton 40Kg, fast penetrating agent T15 Kg, attapulgite hydrosol 30 Kg, silica hydrosol 20 Kg, vitrified microbeads 110 Kg, 10 Kg of floating beads, 20 Kg of expanded perlite, 620 Kg of water;

[0030] The attapulgite hydrosol is a high-concentration hydrosol with a mass concentration greater than 40%, which is formed by dispersing ultrafine attapulgite with a size of more than 800 mesh by an ultra-high-speed disperser;

[0031] The silica hydrosol is a high-concentration hydrosol with a mass concentration greater than 50%, which is formed by dispersing 60 nanometer silica by an ultra-high-speed disperser;

[0032] The preparation method of the above-mentioned nano-silicon-based composite thermal insulation coating comprises the following steps:

[0033] 1. Treatment of waste fiber cotton: use a shear carding machine to cut and card waste...

Embodiment 3

[0039] Example 3. Nano-silicon-based composite thermal insulation coating, including the following raw materials in parts by weight: waste ceramic fiber cotton 32.5Kg, fast penetrating agent T12.5Kg, attapulgite hydrosol 25Kg, silica hydrosol 15Kg, vitrified microbeads 95Kg Kg, 7.5 Kg of floating beads, 15 Kg of expanded perlite, 500 Kg of water;

[0040] The attapulgite hydrosol is a high-concentration hydrosol with a mass concentration greater than 40%, which is formed by dispersing ultrafine attapulgite with a size of more than 800 mesh by an ultra-high-speed disperser;

[0041] The silica hydrosol is a high-concentration hydrosol with a mass concentration greater than 50%, which is formed by dispersing 40 nanometer silica by an ultra-high-speed disperser;

[0042] The preparation method of the above-mentioned nano-silicon-based composite thermal insulation coating comprises the following steps:

[0043] 1. Treatment of waste fiber cotton: use a shearing carding machine t...

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Abstract

The invention relates to nano-Si-based composite thermal insulation paint and a preparation method thereof, belongs to the field of thermal insulation paint and aims to solve the problems of powder and slag falling, low high-temperature resistance coefficient, harm to environmental protection and high cost of existing paint. The nano-Si-based composite thermal insulation paint is prepared from thefollowing raw materials in parts by weight: 25-40 parts of waste cellucotton, 10-15 parts of a quick penetrating agent T, 20-30 parts of attapulgite hydrosol, 10-20 parts of silica hydrosol, 80-110 parts of vitrified microbeads, 5-10 parts of floating beads, 10-20 parts of expanded perlite and 380-620 parts of water. The paint comprises the waste cellucotton, a waste material is recycled, and theproblem about environmental protection is solved; ordinary insulation cotton is burnt off easily in case of fires and the protective effect on pipe equipment is lost, while the raw materials of the paint are carbonized and vitrified on surface in high-temperature flames and cannot be burnt off accordingly, and the pipe equipment is protected from losses.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a nano-silicon-based composite thermal insulation coating and a preparation method thereof, belonging to the field of thermal insulation coatings. Background technique [0002] The protective sheath of the pipeline generally has a soft protective layer and an outer sheath, and the soft protective layer and the outer sheath are bonded with paint. Now the paint generally used, the aluminum silicate wool or asbestos used in the material are all It is new, not conducive to environmental protection, and at the same time, the cost is high, and the existing coatings still have the problems of falling powder and slag after drying and molding, low high temperature resistance coefficient, and complicated materials. Contents of the invention [0003] The purpose of the present invention is to solve the problems of powder and slag falling off after drying, high thermal conduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26
Inventor 李广志
Owner 烟台科立达节能科技有限公司
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