C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 63/00 (2006.01) C08L 63/02 (2006.01) C09D 163/00 (2006.01) C09J 5/02 (2006.01) C09J 163/00 (2006.01) C09K 21/14 (2006.01)
Patent
CA 2439950
A flexible intumescent composition for protecting a substrate against fire and thermal extremes includes an internally flexibilized epoxy binder, a carbonific, a spumific, a catalyst, and preferably additives. The compositions can be applied as coatings or can be formed into shapes, preferably sheets which are applied to or wrapped around the substrate. The sheets may be adhered to the substrate, and the ends of the wrapped sheets may be stapled or otherwise secured to each other.
L'invention concerne une préparation intumescente souple de protection d'un substrat contre le feu et les extrêmes thermiques comportant un liant époxydique assoupli de manière interne, un agent de carbonification, un agent de formation de mousse, un catalyseur et des additifs de préférence. Ces préparations peuvent servir de revêtements ou être mises en forme, de préférence des feuilles qui sont appliquées à ou enveloppées autour du substrat. Les feuilles peuvent adhérer au substrat et les extrémités des feuilles enveloppées peuvent être agrafées ou alors fixées les unes aux autres.
Bryant Robert L.
Feldman Rubin
Taylor Edward W. Jr.
Borden Ladner Gervais Llp
Nu-Chem Inc.
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