Interactive thermal insulating system having a layer treated...

A - Human Necessities – 41 – D

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A41D 31/02 (2006.01) B32B 5/22 (2006.01) F28D 20/02 (2006.01)

Patent

CA 2271242

An interactive thermal insulating system of the present invention includes at least three layers. The first layer is a high density layer comprising a substrate is coated with a polymer binder in which a plurality of microspheres containing a phase change material are dispersed. The second layer is a low density fibrous mesh in which individual fibers contain a plurality of microspheres containing a phase change material dispersed therein. A third layer is a flexible substrate. The fibrous mesh is sandwiched between the coated layer and the third layer. The layers are bonded together by stitching at regular intervals, lamination, or other methods of connection. Most preferably, the phase change materials contained in the microspheres include paraffinic hydrocarbons.

Le système interactif d'isolation thermique de la présente invention comprend au moins trois couches. La première couche (21) est une couche à haute densité comprenant un substrat (31) recouvert d'un liant polymère (32) dans lequel sont dispersées une pluralité de microsphères (33) contenant une matière (34) à changement de phase. La seconde couche (22) est une maille fibreuse (42) à faible densité dans laquelle des fibres individuelles contiennent une pluralité de microsphères (43) dans lesquelles est dispersée une matière (44) à changement de phase. La troisième couche (23) est un substrat flexible. La maille fibreuse est prise en sandwich entre la couche enrobée et la troisième couche. Les couches sont liées ensemble par piqure à intervalles réguliers, stratification ou selon d'autres procédés de fixation. Idéalement, la matière à changement de phase contenue dans les microsphères comprend des hydrocarbures paraffiniques.

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