Extruded, open-cell microcellular foams, and their...

Details Extruded, open-cell microcellular foams, and their... Extruded, open-cell microcellular foams, and their...

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08J 9/12 (2006.01) C08J 9/14 (2006.01)

Patent

CA 2217007

Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of 70 percent or more. The foam has an average cell size of 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam.

Cette invention se rapporte à une mousse polymère aromatique, alcényle, microcellulaire, à alvéoles ouvertes, extrudée, pouvant être utilisée en isolation. La mousse comprend 70 % ou plus d'alvéoles ouvertes et a une grosseur moyenne de cellule égale ou inférieure à 70 micromètres. Cette mousse est notamment utilisée dans des panneaux isolants dont on a fait le vide. L'invention se rapporte également à un procédé de fabrication de cette mousse à alvéoles ouvertes.

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