Manufacturing method of light heat insulation sheet

A manufacturing method, lightweight heat insulation technology, applied in chemical instruments and methods, layered products, metal layered products, etc., can solve the problem of repeated steps of heat shields, heavy weight of heat shields, and poor heat insulation effect And other problems, to achieve good heat insulation effect, improve durability, good protection effect

Inactive Publication Date: 2020-04-10
徐州市云天市政建设工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The manufacturing method of the heat insulation sheet in the prior art has many repeated steps, the production cost is high, and the weight of the heat insulation sheet produced is relatively large, and the heat insulation effect is not good

Method used

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  • Manufacturing method of light heat insulation sheet

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Such as figure 1 Shown, a kind of manufacturing method of light-weight thermal insulation sheet comprises the manufacturing method and combination method thereof of airgel inner bag 1, porous composite layer 2 and ceramic protective layer 3 respectively;

[0019] The airgel inner bag 1 is the innermost layer of the heat insulation sheet, which is made of silica airgel felt by cutting;

[0020] The porous composite layer 2 is arranged on the outside of the airgel inner bag 1, and it is made of a porous composite material; the manufacturing method of the porous composite material is as follows:

[0021] 1: Weigh 5-15 parts of silica airgel powder, 8-24 parts of porous substrate and 1-5 parts of hot melt adhesive according to the weight ratio;

[0022] 2: Wrap the porous substrate on the surface of the airgel inner capsule 1;

[0023] 3: Thermally spra...

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Abstract

The invention discloses a manufacturing method of a light heat insulation sheet. The light heat insulation sheet comprises an aerogel inner capsule, a porous composite layer and ceramic protective layers. The aerogel inner capsule is prepared by cutting a silicon dioxide aerogel felt; and the porous composite layer is made of a porous composite material. A preparation method of the porous composite material comprises the following steps: (1) weighing silicon dioxide aerogel powder, a porous substrate and a hot melt adhesive; (2) winding the porous substrate on the surface of the aerogel innercapsule; and (3) thermally spraying the silicon dioxide aerogel powder on the porous substrate, and coating the porous substrate with the hot melt adhesive so as to complete the manufacturing of the porous composite material. The porous composite layer and the aerogel inner capsule are fixed in a winding mode, and the ceramic protective layers are bonded to the two surfaces of the porous compositelayer through the hot melt adhesive. According to the invention, the heat insulation sheet can be manufactured through simple steps; the manufactured heat insulation sheet is low in density and goodin heat insulation effect; and the ceramic protection layers on the surfaces can provide good protection, so the durability of the heat insulation sheet is improved.

Description

technical field [0001] The invention relates to the field of heat insulation sheet manufacturing, in particular to a method for manufacturing a lightweight heat insulation sheet. Background technique [0002] With the continuous development of science and technology, heat shields are gradually used in various industries, including the protection of components in the construction industry and heating equipment. The thermal insulation sheet has also gradually developed from a single layer of single material to a multi-material mixed and sandwich structure to meet the corresponding needs. [0003] The manufacturing method of the heat insulating sheet in the prior art has many repeated steps, the manufacturing cost is high, and the manufactured heat insulating sheet has a large weight and poor heat insulating effect. Contents of the invention [0004] Aiming at the problems existing in the prior art, the object of the present invention is to provide a manufacturing method of ...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B15/04B32B27/06B32B27/32B32B33/00
CPCB32B9/00B32B9/005B32B9/04B32B15/04B32B27/06B32B27/322B32B33/00
Inventor 苑玉华
Owner 徐州市云天市政建设工程有限公司
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