Polymeric composite material for cold moulding and a process...

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 63/10 (2006.01)

Patent

CA 2666791

The present invention relates to a plastic composite material and a process for obtaining it. Particularly, the present invention relates to a polymeric composite material comprising an epoxy vinylester resin in which a filler is dispersed, said filler being polyethylene in particulate form, wherein said polyethylene is admixed in an amount less than 55% by weight relative to the epoxy vinylester resin, and a process for obtaining the same in which the resin/styrene mixture and the polyethylene is subjected to a treatment in vacuo and placed under stirring for more than 2 hours.

La présente invention concerne un matériau composite plastique et un procédé d'obtention de celui-ci. En particulier, la présente invention concerne un matériau composite polymère comprenant une résine époxy ester vinylique dans laquelle une charge est dispersée, ladite charge étant le polyéthylène sous forme particulaire, ledit polyéthylène étant incorporé par mélange en quantité inférieure à 55% du poids total par rapport à la résine époxy ester vinylique ; l'invention concerne également un procédé d'obtention dudit matériau dans lequel le mélange résine/styrène et le polyéthylène sont soumis à un traitement sous vide et sont placés sous agitation pendant plus de 2 heures.

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