Multilayer insulation element

Details Multilayer insulation element Multilayer insulation element

G - Physics

10

K

G10K 11/168 (2006.01) B32B 3/30 (2006.01) B32B 5/18 (2006.01) B32B 27/34 (2006.01) E04B 1/90 (2006.01) G10K 11/172 (2006.01) E04B 1/74 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2319355

The invention relates to a multilayer insulation element (1) comprising a non- woven material layer (4, 6) and a cellular material layer (5). Said layers are arranged on top of each other. According to the invention, the cellular material layer (5) consists of uneven, three-dimensional structured polyimide cellular material in order to meet the requirements such as high sound absorption or sound insulation and/or high heat insulation and/or low liquid water formation at high temperature gradients and/or low surface weight and/or good handleability as fitting elements.

L'invention concerne un élément d'isolation multicouche (1) comprenant une couche d'un non-tissé (4, 6) et une couche d'un produit mousse (5) disposées de manière à être superposées. L'invention vise à fournir un produit satisfaisant à des exigences, telles que absorption phonique ou isolation phonique élevée et/ou isolation thermique élevée et/ou faible formation d'eau liquide pour gradients de température élevés et/ou faible masse superficielle et/ou manipulation satisfaisante en tant que composant. L'invention est caractérisée en conséquence en ce que la couche de produit mousse (5) est constituée par une mousse de polyimide structurée tridimensionnelle inégale.

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