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Aerogel thermal insulation material and preparation method thereof

A technology of air condensation and temperature control, which is applied in the direction of pretreatment surface, coating, and liquid coating device on the surface, etc. It can solve the problems of affecting the thermal insulation effect, complex processing technology, thermal insulation material performance needs to be improved, etc., and achieve the processing technology Smooth, uniform glue content, easy processing effect

Inactive Publication Date: 2021-11-30
常熟市常盛无纺制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some applications where the space is limited and the thermal insulation effect must be achieved, such as the application of footwear, the thermal insulation material will be compressed and affect the thermal insulation effect. Therefore, there are currently aerogels or xerogels. Low-density and porous properties to maintain the thermal insulation effect, but the processing technology is complicated, and the performance of the thermal insulation material obtained needs to be improved. Therefore, we propose a gas-condensed thermal insulation material and its preparation method

Method used

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  • Aerogel thermal insulation material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of an air-condensed thermal insulation material, comprising the following steps:

[0028] 1) Unwinding: Unwind the non-woven fabric through an unwinding machine to remove surface dust;

[0029] The fiber forming the non-woven fabric is one of polyester fiber, polypropylene fiber and polyacrylonitrile fiber;

[0030] 2) Dipping: inject glue into the dipping pool of the dipping machine, the temperature of the glue is controlled at 32°C, and the unfolded non-woven fabric is sent into the dipping machine, and the glue penetrates into the non-woven fabric;

[0031] The glue is made by mixing enzymes, surfactants, organic acids, silanol and water;

[0032] The excess trace glue in the process of dipping and vacuum drying is recovered through the pipeline and then sent to the dipping tank;

[0033] The dipping tank is equipped with a flying knife blowing device, and the non-woven fabric after dipping is treated with a flying knife blowing glue;

[0034]...

Embodiment 2

[0043] A preparation method of an air-condensed thermal insulation material, comprising the following steps:

[0044] 1) Unwinding: Unwind the non-woven fabric through an unwinding machine to remove surface dust;

[0045] The fiber forming the non-woven fabric is one of polyester fiber, polypropylene fiber and polyacrylonitrile fiber;

[0046] 2) Dipping: inject glue into the dipping tank of the dipping machine, the temperature of the glue is controlled at 36°C, and the unfolded non-woven fabric is sent into the dipping machine, and the glue penetrates into the non-woven fabric;

[0047] The glue is made by mixing enzymes, surfactants, organic acids, silanol and water;

[0048] The excess trace glue in the process of dipping and vacuum drying is recovered through the pipeline and then sent to the dipping tank;

[0049] The dipping tank is equipped with a flying knife blowing device, and the non-woven fabric after dipping is treated with a flying knife blowing glue;

[0050]...

Embodiment 3

[0058] A preparation method of an air-condensed thermal insulation material, comprising the following steps:

[0059] 1) Unwinding: Unwind the non-woven fabric through an unwinding machine to remove surface dust;

[0060] The fiber forming the non-woven fabric is one of polyester fiber, polypropylene fiber and polyacrylonitrile fiber;

[0061] 2) Glue dipping: inject glue into the dipping pool of the dipping machine, the temperature of the glue is controlled at 40°C, send the unfolded non-woven fabric into the dipping machine, and the glue penetrates into the non-woven fabric;

[0062] The glue is made by mixing enzymes, surfactants, organic acids, silanol and water;

[0063] The excess trace glue in the process of dipping and vacuum drying is recovered through the pipeline and then sent to the dipping tank;

[0064] The dipping tank is equipped with a flying knife blowing device, and the non-woven fabric after dipping is treated with a flying knife blowing glue;

[0065] D...

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Abstract

The invention discloses an aerogel thermal insulation material and a preparation method thereof. The preparation method comprises the following steps that unwinding is conducted, specifically, a non-woven fabric is unwound and unfolded through an unwinding machine, and surface dust is removed; glue dipping is conducted, a glue solution is injected into a glue dipping pool of a glue dipping machine, the temperature of the glue solution is controlled to be 32-40 DEG C, the unfolded non-woven fabric is fed into the glue dipping machine, and the glue solution permeates into the non-woven fabric; vacuum suction drying is conducted, the non-woven fabric obtained after glue dipping is fed into a vacuum suction dryer, and redundant glue liquid in the non-woven fabric is sucked out in a negative pressure mode; rolling is conducted, and the non-woven fabric subjected to vacuum suction drying is extruded through opposite roll shafts of double-roll extrusion equipment; drying is conducted, and the rolled non-woven fabric is fed into a drying machine for drying; cooling is conducted, the dried non-woven fabric is guided into an air cooling machine to cool the two sides of the non-woven fabric, the aerogel thermal insulation material is formed, and the air speed of the air cooling machine is controlled to range from 1.2 m / s to 1.8 m / s. According to the aerogel thermal insulation material and the preparation method thereof, the process is simple, and the thermal insulation effect of the prepared thermal insulation material is improved.

Description

technical field [0001] The invention relates to the technical field of gas-condensed heat-preserving materials, in particular to a gas-condensed heat-preserving material and a preparation method thereof. Background technique [0002] Thermal insulation materials are widely used in clothing, footwear, gloves, etc., or in bedding such as quilts. In order to achieve the thermal effect, the structure of the thermal insulation material can retain air in it, so as to reduce the dissipation of heat energy. In some applications where the space is limited and the thermal insulation effect must be achieved, for example: in the application of footwear, the thermal insulation material will affect the thermal insulation effect due to being compressed, so currently there are aerogel or xerogel Low-density and porous properties to maintain the thermal insulation effect, but the processing technology is complicated, and the performance of the thermal insulation material needs to be improve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C3/12B05C11/02B05D3/02B05D3/04
CPCB05C3/12B05C11/025B05D3/0493B05D3/0426B05D3/0254
Inventor 罗文民王飞
Owner 常熟市常盛无纺制品有限公司
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