Composite film having gas barrier, heat insulation and fire resistance properties, and making method thereof

A technology of composite membrane material and production method, which is applied in the direction of chemical instruments and methods, synthetic resin layered products, lamination, etc., and can solve the problems of thermal insulation system falling off, cement mortar layer debonding, and increase of air leakage rate of vacuum insulation panels, etc. , to achieve the effect of improving thermal resistance, good fire resistance and good weather resistance

Inactive Publication Date: 2013-07-17
周介明 +1
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

The outer surface of the packaging film of the commonly used vacuum insulation panels is aluminum foil, but both sides of the vacuum insulation panels for construction are mortar, and the pH value of common cement is about 11. Aluminosilicate, which leads to debonding from the cement mortar layer, resulting in gaps, and the increase in weight of the leveling mortar and facing layer bricks, causing the insulation system to fall off
Aluminum foil corrosion also increases the air leakage rate of the vacuum insulation panel, which accelerates the failure of the vacuum insulation panel
In addition, the current plastic packaging materials are flammable and do not have fire protection functions. Only from the fire protection requirements of building exterior wall insulation materials, they cannot meet the relevant national standards. With the improvement of human living environment, the requirements for energy conservation and environmental protection are increasing. The more stringent, the aerospace high-tech fields such as moon landing, Mars exploration, etc. have put forward fireproof requirements for thermal insulation films.

Method used

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  • Composite film having gas barrier, heat insulation and fire resistance properties, and making method thereof

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Embodiment 1

[0039] A gas-barrier, heat-insulating and fire-resistant composite membrane material with a thickness of about 215 μm, wherein the inorganic fiber cloth layer 10 is alkali-resistant glass fiber cloth, and the surface density is 115-120 g / m 2 , its function is to protect against scratches, improve the strength of the board, and improve the puncture resistance of the barrier film; the aluminum-plastic composite layer 20 is composed of PET film and aluminum foil, the thickness of the PET film is 12 μm, the thickness of the aluminum foil is 7 μm, and there is a layer of thickness 1nm on the surface aluminum oxide passivation film; the plastic composite layer 30 is co-extruded from PA film and PE film, the thickness of the PA film is 15 μm, and the thickness of the PE film is 80 μm, consisting of one layer of HD-PE film and one layer of LD-PE film.

[0040] The manufacturing method of the gas-barrier, heat-insulating and fire-proof composite membrane material described in this embod...

Embodiment 2

[0055] A gas-barrier, heat-insulating and fire-resistant composite membrane material with a thickness of about 230 μm, wherein the inorganic fiber cloth layer 10 is carbon fiber cloth with a density of 120-125 g / m 2 The aluminum-plastic composite layer 20 is composed of PET film, aluminum foil, and aluminized PET film. The thickness of the PET film is 10 μm, the thickness of the aluminum foil is 8 μm, and the thickness of the aluminum-coated PET film is 12 μm; the plastic composite layer is formed by co-extrusion of PP film and PE film , the thickness of the PP film is 15 μm, and the thickness of the PE film is 85 μm. It consists of one layer of HD-PE film and two layers of LD-PE film, and the HD-PE film is in the middle.

[0056] The manufacturing method of the gas-barrier, heat-insulating and fire-proof composite membrane material described in this embodiment is as follows. First, the aluminum-plastic composite layer 20 is made, which includes the steps in the following order...

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Abstract

The invention provides a composite film having gas barrier, heat insulation and fire resistance properties. The composite film is characterized in that the composite film is sequentially formed by an inorganic fiber cloth layer 10, an aluminum-plastic composite layer 20 and a plastic composite layer 30 from outside to inside, and a binder is bonded between each two adjacent layers. The invention also provides a making method of the composite film having gas barrier, heat insulation and fire resistance properties. The barrier film has the characteristics of low gas and water transmittance, good alkali resistance, good weather resistance, good fire resistance, good puncture resistance, and no generation of a chemical reaction with an alkaline cement mortar, and can be widely used in the fields of machines, electronics, buildings, aviations, spaceflights, automobiles and ships needing heat insulation in the cold, hot and wet environments.

Description

technical field [0001] The invention relates to a composite membrane material and a manufacturing method thereof, in particular to a gas-blocking, heat-insulating and fireproof composite membrane material and a manufacturing method thereof. Background technique [0002] In recent years, there have been many fires caused by the burning of building exterior wall insulation materials in China, causing serious casualties and property losses. A series of problems are prompting people to change traditional concepts and develop and use advanced heat insulation and fireproof materials. [0003] The vacuum insulation panel is a high-efficiency insulation panel obtained by vacuum packaging with ultra-fine glass fiber as the core material and plastic composite film as the packaging bag. Based on the principle of vacuum insulation, the vacuum insulation panel realizes high-efficiency thermal insulation by maximizing the vacuum degree inside the panel and minimizing gas convection. It ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/09B32B15/20B32B27/08B32B27/32B32B7/12B32B37/06B32B37/10B32B37/12
Inventor 周介明陈照峰
Owner 周介明
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