Polyolefin foam useful for sound and thermal insulation

Details Polyolefin foam useful for sound and thermal insulation Polyolefin foam useful for sound and thermal insulation

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) B29C 44/30 (2006.01) B29C 44/46 (2006.01) C08J 9/38 (2006.01)

Patent

CA 2401228

An extruded, coalesced foam strand propylene polymer material that is either open-celled and useful for sound insulation applications or close celled and useful for thermal insulation applications. An apparatus suitable for preparing such foams with an expanded cross-section.

Cette invention concerne un matériau polymère à base de propylène en brin de mousse coalescée extrudée qui comporte soit des alvéoles ouverts le destinant à des applications d'isolation phonique, soit des alvéoles fermés le destinant à des applications d'isolation thermique. L'invention porte également sur un dispositif permettant de réaliser de telles mousses avec une coupe expansée.

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