Low density fire barrier material and method of making

Details Low density fire barrier material and method of making Low density fire barrier material and method of making

C - Chemistry, Metallurgy

09

K

C09K 21/14 (2006.01)

Patent

CA 2317762

This invention relates to a fire barrier material comprising at least about 25 weight % binder, at least about 10 weight % intumescent compound; and at least about 5 weight % organic fibers comprising an organic material having pendant hydroxyl groups, wherein the density of the fire barrier material ranges from greater than zero to about 0.35 grams/cm3 as well as a method of making the fire barrier material.

L'invention concerne un matériau coupe-feu qui comprend au moins 25 % en poids environ de charge; au moins 10 % en poids environ d'un composé intumescent; et au moins 5 % en poids environ de fibres organiques constituées d'un matériau organique renfermant des groupes hydroxyle libres. La densité du matériau coupe-feu est supérieure à zéro et peut aller jusqu'à 0,35 g/cm<3>. L'invention concerne également un procédé permettant de fabriquer ledit matériau coupe-feu.

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