Ignition resistant polymeric composite

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 7/18 (2006.01) C08J 7/04 (2006.01) C08K 5/00 (2006.01) C08K 5/523 (2006.01) C08L 55/02 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2509349

The present invention is an ignition resistant polymeric composite comprising a) a polymeric substrate; b) a flame retardant intermixed with the polymeric substrate; and c) a partially oxidized plasma polymerized organosilicon layer adhered to the substrate. The ignition resistant composite can readily achieve a V-0 rating in a UL-94 flammability test using a substantially lower concentration of flame retardant than is commonly incorporated into substrates to achieve the same result. Consequently, the present invention addresses the need to maintain the integrity of a substrate incorporated with flame retardant to reduce the levels of environmentally suspect materials.

La présente invention concerne un composite polymère résistant à l'inflammation, comprenant : a) un substrat polymère; b) un ignifugeant mélangé au substrat polymère; et c) une couche d'organosilicium polymérisé par plasma, partiellement oxydée, collée au substrat. Le composite résistant à l'inflammation peut rapidement atteindre une classification V-0 dans un test d'inflammabilité UL-94 à l'aide d'une concentration sensiblement inférieure d'ignifugeant que celle généralement incorporée dans des substrats afin d'obtenir le même résultat. Par conséquent, la présente invention rend inutile la nécessité de maintenir l'intégrité d'un substrat dans lequel est incorporé un ignifugeant pour réduire les niveaux de matériaux suspects pour l'environnement.

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