Foam material product

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C - Chemistry, Metallurgy

08

J

C08J 9/36 (2006.01) C08L 25/06 (2006.01)

Patent

CA 2642271

The invention relates to a method for producing a foam material product (1), during which a body (2) made of expanded closed-cell foam material, particularly expanded polystyrene particle foam is subjected to a non-melting thermal treatment at a temperature above the glass transition temperature of the synthetic material forming the foam material, this synthetic material being, in particular, polystyrene.

L'invention concerne un procédé de production d'un produit alvéolaire (1), ce procédé consistant à soumettre un corps (2) constitué de mousse expansée à alvéoles fermées, en particulier de mousse particulaire de polystyrène expansée, à un traitement thermique sans fusion à une température supérieure à la température de transition vitreuse de la matière synthétique formant la mousse, en particulier du polystyrène.

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