Composite material

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 15/16 (2006.01) B32B 7/02 (2006.01) B32B 17/02 (2006.01)

Patent

CA 2559364

A composite material comprising a substrate having an ionic charge which is coated with a coating having essentially the same ionic charge and a metallic component adhered on one or both sides of the coated substrate. The coating consists essentially of a filler material comprising clay and a binder material. The substrate is preferably fiberglass, the filler material may further comprise at least one additional filler selected from the group consisting of decabromodiphenyloxide, antimony trioxide, fly ash, charged calcium carbonate, mica, glass microspheres and ceramic microspheres and mixtures thereof and the binder material is preferably acrylic latex. The metallic component is preferably aluminum foil. The composite material has heat insulating and fire resistant characteristics.

L'invention concerne un matériau composite qui comprend un substrat à charge ionique qui est enduit d'un revêtement ayant sensiblement la même charge ionique et un composant métallique collé sur l'un ou les deux côtés du substrat enduit. Le revêtement contient essentiellement un matériau d'apport qui referme de l'argile et un liant. De préférence, le substrat est en fibre de verre. Le matériau d'apport peut également contenir au moins un charge supplémentaire sélectionnée dans le groupe constitué de decabromodiphényloxxde, de trioxide de diantimoine, de cendres volantes, de carbonate de calcium chargé, de mica, de microsphères de verre et de microsphères de céramique ainsi que des mélanges de ceux-ci. De préférence, le liant est une l'émulsion acrylique. Le composant métallique est préférablement du papier d'aluminium. Le matériau composite présente des caractéristiques d'isolation contre la chaleur et de résistance au feu.

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