Polymeric fiber insulation batts for residential and...

Details Polymeric fiber insulation batts for residential and... Polymeric fiber insulation batts for residential and...

D - Textiles, Paper

04

H

D04H 13/00 (2006.01)

Patent

CA 2650454

Fiber insulation batts suitable for building thermal insulating applications are made using polymer fibers. A mixture of staple fibers and binder fibers are used to make the batt. The batt has a bulk density of 5-15 kg/m3, a thermal conductivity of 30-50 mW/m-K and a lambda*density value of from 250-550. The batts can be made by forming a web of the fibers, and calibrating and heat-setting the web. The web can be formed using pneumatic or mechanical carding processes. In some processes, the batt can be made by forming a stack of multiple plies of the web and calibrating and heat-setting the stack.

L'invention concerne des mottes d'isolation en fibre convenant à des applications d'isolation thermique du bâtiment à l'aide de fibres polymères. On utilise un mélange de fibres discontinues et de fibres liantes pour constituer la motte. La motte possède une densité volumique de 5-15 kg/m3, une conductivité thermique de 30-50 mW/m-K et une valeur de densité lambda* de 250-550. Les mottes peuvent être réalisées en formant une toile avec les fibres, et en calibrant et thermofixant la toile. La toile peut être formée en utilisant des processus de cardage pneumatiques ou mécaniques. Dans certains procédés, la motte peut être réalisée en formant une pile de multiples nappes de la toile et calibrant et thermofixant la pile.

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