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Preparation method of liquid pasty thermal insulation material

A thermal insulation material and paste-like technology, which is applied in the field of preparation of liquid paste-like thermal insulation materials, can solve problems such as poor thermal insulation effect of thermal insulation materials, and achieve the effect of weakening the interface effect, increasing porosity, and reducing the degree of polymerization

Inactive Publication Date: 2021-11-23
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, although there are cases in the industry where multiple functional raw materials are used in combination to prepare thermal insulation materials, most of them will have poor thermal insulation effects due to filling limitations such as interface effects and agglomeration phenomena.

Method used

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  • Preparation method of liquid pasty thermal insulation material
  • Preparation method of liquid pasty thermal insulation material

Examples

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preparation example Construction

[0034] A preparation method of a liquid paste insulation material, comprising the steps of:

[0035] (1) Corona treatment:

[0036] Place the ceramic hollow microspheres in a corona discharge apparatus for corona treatment, the control voltage is 10-12kV, and take out after corona treatment for 40-50s for later use;

[0037] (2) Calcination treatment:

[0038] Put the expanded perlite in the horse boiling furnace for high-temperature calcination, control the temperature at 1000-1300°C, and take it out for later use;

[0039] (3) Ionization infiltration-ultrasonic coupling treatment:

[0040] Immerse the hollow fiber in the ionized liquid, and then pour it into the electrolytic cell together, so that the ionized liquid completely immerses the hollow fiber, immerse the ultrasonic probe in the ionized liquid 2 to 3 cm below the liquid surface, and then turn on the power for ionization infiltration-ultrasonic coupling treatment , the control voltage is 200-220V, the current is ...

Embodiment 1

[0053] A preparation method of a liquid paste insulation material, comprising the steps of:

[0054] (1) Corona treatment:

[0055] Place ceramic hollow microspheres in a corona discharge apparatus for corona treatment, the control voltage is 10kV, take out after corona treatment for 40s for use;

[0056](2) Calcination treatment:

[0057] Put the expanded perlite in the horse boiling furnace for high-temperature calcination, control the temperature at 1000°C, and take it out for later use;

[0058] (3) Ionization infiltration-ultrasonic coupling treatment:

[0059] Immerse the hollow fiber in the ionized liquid, and then pour it into the electrolytic cell together, so that the ionized liquid completely immerses the hollow fiber, immerse the ultrasonic probe in the ionized liquid 2cm below the liquid surface, and then turn on the power, conduct ionization infiltration-ultrasonic coupling treatment, control The voltage is 200V, the current is 4A, and the ultrasonic frequency...

Embodiment 2

[0071] A preparation method of a liquid paste insulation material, comprising the steps of:

[0072] (1) Corona treatment:

[0073] Place ceramic hollow microspheres in a corona discharge apparatus for corona treatment, the control voltage is 11V, take out after corona treatment for 45s and set aside;

[0074] (2) Calcination treatment:

[0075] Put the expanded perlite in the horse boiling furnace for high-temperature calcination, control the temperature at 1150°C, and take it out for later use;

[0076] (3) Ionization infiltration-ultrasonic coupling treatment:

[0077] Immerse the hollow fiber in the ionized liquid, and then pour it into the electrolytic cell together, so that the ionized liquid completely immerses the hollow fiber, immerse the ultrasonic probe in the ionized liquid 2.5cm below the liquid surface, and then turn on the power, and carry out the ionization infiltration-ultrasonic coupling treatment. The control voltage is 210V, the current is 5A, and the ul...

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Abstract

The invention discloses a preparation method of a liquid pasty thermal insulation material, and belongs to the technical field of thermal insulation material processing. The method comprises the following steps: (1) corona treatment; (2) calcining treatment; (3) ionization infiltration-ultrasonic coupling treatment; (4) bead milling treatment; (5) dispersion treatment; (6) subzero treatment; (7) superfine grinding treatment; and (8) uniform stirring and mixing. According to the preparation method of the liquid pasty thermal insulation material provided by the invention, all the steps have a synergistic effect, and the finally prepared thermal insulation material is relatively stable in heat conductivity coefficient along with temperature rise, relatively small in temperature change and very good in thermal insulation effect.

Description

technical field [0001] The invention belongs to the technical field of thermal insulation material processing, and in particular relates to a preparation method of a liquid paste thermal insulation material. Background technique [0002] Insulation refers to a technological measure to reduce the heat transfer from the internal heat source of the object to the outside of the object. In order to achieve the purpose of heat preservation, it is necessary to adopt some materials and structures with specific and special properties. These materials are called insulation materials. Insulation materials have the following functions: (1) prevent burns; (2) save energy; (3) ensure process; (4) improve the environment; (5) protect equipment; (6) sound absorption and sound insulation. Therefore, it is widely used. [0003] At present, although there are cases in the industry where multiple functional raw materials are used in combination to prepare thermal insulation materials, most of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L83/04C08L93/04C08K9/00C08K7/24C08K7/26C08K7/02C08K9/02C08K9/04
CPCC08L63/00C08L2205/03C08L83/04C08L93/04C08K9/00C08K7/24C08K7/26C08K7/02C08K9/02C08K9/04
Inventor 周鹏飞
Owner CHANGZHOU UNIV
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