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High-temperature-resistant membrane material for vacuum heat insulation plate and vacuum heat insulation composite plate

A technology of vacuum insulation panels and high temperature resistant films, applied in the direction of synthetic resin layered products, layered products, metal layered products, etc., can solve the problems of long-term exposure to 70 degrees, achieve the expansion of market application fields, good heat resistance , good barrier properties

Pending Publication Date: 2021-10-26
安徽省恳思惠新型材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to solve the problem that the existing vacuum insulation panel membrane can only withstand 70 degrees for a long time, and provide a vacuum insulation panel high temperature resistant membrane material and a vacuum insulation composite material using the vacuum insulation panel high temperature resistant membrane material. plate

Method used

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  • High-temperature-resistant membrane material for vacuum heat insulation plate and vacuum heat insulation composite plate
  • High-temperature-resistant membrane material for vacuum heat insulation plate and vacuum heat insulation composite plate
  • High-temperature-resistant membrane material for vacuum heat insulation plate and vacuum heat insulation composite plate

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Effect test

Embodiment 1

[0028] see figure 1 , In the figure, 1 is a polyimide film layer, 2 is an aluminum foil layer, and 3 is a polyamide film layer. A high-temperature-resistant film material for a vacuum heat-insulation panel is used for wrapping a vacuum heat-insulation panel and used as an outer film of the vacuum heat-insulation panel to improve the high-temperature resistance performance of the vacuum heat-insulation panel. In this embodiment, the high-temperature-resistant film material includes a protective layer, a metal layer and a heat-sealing layer stacked in sequence, forming a multi-layer film structure. The insulation layer is made of polyimide film, and the side away from the metal layer is bright yellow, which plays the role of high temperature and high humidity resistance. In this embodiment, the thickness of the protective layer is 25 μm. The metal layer is made of aluminum foil, and the thickness of the metal layer can be between 7-9 μm. In this embodiment, the thickness of the...

Embodiment 2

[0048] Please combine Figure 5 , this embodiment discloses a vacuum insulation composite panel, including a vacuum insulation panel and a high-temperature-resistant film material wrapped outside the vacuum insulation panel; the high-temperature-resistant film material uses the high-temperature-resistant film for vacuum insulation panels in Example 1 material. In the figure, B is a vacuum insulation panel, and M is a high temperature resistant membrane material.

[0049]In this embodiment, the performance test of the prepared vacuum heat insulation composite board is also carried out, and at the same time, conventional boards on the market are used as a comparison. details as follows.

[0050] c. Thermal conductivity test

[0051] Comparison test under normal temperature conditions, the test results are shown in Table 3.

[0052] Table 3 is the test results of thermal conductivity at room temperature.

[0053]

[0054]

[0055] 200-degree condition comparison test, ...

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Abstract

The invention relates to a high-temperature-resistant membrane material for a vacuum heat insulation plate and the vacuum heat insulation composite plate. The high-temperature-resistant membrane material for the vacuum heat insulation plate comprises a protective layer, a metal layer and a heat sealing layer which are sequentially stacked from top to bottom. The two sides of the metal layer are respectively adhered to the protective layer and the heat sealing layer through an adhesive. The protective layer is made of a polyimide film; and the heat sealing layer is made of a polyamide film. The high-temperature-resistant membrane material still keeps good heat resistance at the temperature of 200 DEG C, and keeps very good barrier performance at the temperature of 150 DEG C or above. The use temperature range of the vacuum heat insulation plate is widened, and the market application field is expanded.

Description

technical field [0001] The invention relates to the technical field of vacuum heat insulation panels, in particular to a high temperature resistant film material for vacuum heat insulation panels and a vacuum heat insulation composite plate using the high temperature resistant film material for vacuum heat insulation panels. Background technique [0002] Vacuum insulation panel is a kind of vacuum insulation material. It is made of filling core material inside and covering the surface with vacuum protection. It effectively avoids the heat transfer caused by air convection, so the thermal conductivity is greatly reduced. Because it does not contain Any ODS material, with the performance of environmental protection and high efficiency and energy saving, has become the most advanced high-efficiency thermal insulation material in the world. [0003] The outer vacuum protection surface layer is often a material with high barrier properties that can block gas and liquid from the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/28B32B27/34B32B15/20B32B15/088B32B15/08B32B7/12B32B33/00B32B27/06
CPCB32B27/281B32B27/34B32B15/20B32B15/088B32B15/08B32B7/12B32B33/00B32B27/06B32B2307/306B32B2307/304B32B2307/7242B32B2307/7265
Inventor 刁子军曾天华
Owner 安徽省恳思惠新型材料有限责任公司
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