Coated fabric for use with nonazide gas generants

Details Coated fabric for use with nonazide gas generants Coated fabric for use with nonazide gas generants

B - Operations, Transporting

60

R

B60R 21/16 (2006.01) B01D 53/56 (2006.01) B01D 53/86 (2006.01) B60R 21/26 (2006.01) C06B 23/02 (2006.01) C06D 5/06 (2006.01)

Patent

CA 2177487

Fabric coatings amd method reduce the toxicity of effluent gases produced by combustion of nonazide gas generating compositions used to inflate vehicle occupant restraint systems. Passing the effluent gases into a coating comprising an alkaline material (12) reduces the concentration of toxic oxides of nitrogen therein. Further, passing the effluent gases into a coating comprising an oxidation catalyst (10) reduces the concentration of carbon monoxide therein.

L'invention concerne des revêtements sur textile et des procédés destinés à réduire la toxicité de gaz effluents produits par la combustion de compositions, génératrices de gaz non azides, utilisées pour déployer des dispositifs de retenue des passagers dans un véhicule. L'adjonction à ces dispositifs d'un revêtement comprenant un matériau alcalin (12) réduit la concentration des oxydes toxiques d'azote et, de surcroît, la présence d'un revêtement comportant un catalyseur d'oxydation diminue la concentration en monoxyde de carbone lors du passage des gaz effluents à l'intérieur desdits dispositifs.

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