Very small-diameter open-cell polymer foams and their...

Details Very small-diameter open-cell polymer foams and their... Very small-diameter open-cell polymer foams and their...

C - Chemistry, Metallurgy

08

F

C08F 2/32 (2006.01)

Patent

CA 2550487

The invention relates to novel foams obtained by highly concentrated, internal phase emulsion polymerisation, and formed from a cross-linked, exclusively hydrocarbonated polymer based on styrenic monomers. The inventive foams have a density of between 40 and 260 mg/cm3 and cells with a diameter that is smaller than or equal to 10 microns. The invention also relates to a method for producing said foams.

L'invention se rapporte à de nouvelles mousses obtenues par polymérisation en émulsion à phase interne hautement concentrée, qui sont formées d'un polymère réticulé exclusivement hydrocarboné, à base de monomères styréniques, et qui présentent une densité de 40 à 260 mg/cm?3¿ ainsi que des cellules d'un diamètre moyen inférieur ou égal à 10 microns. Elle se rapporte également au procédé de fabrication de ces mousses.

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