C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 21/14 (2006.01) B29C 47/08 (2006.01) E06B 5/10 (2006.01)
Patent
CA 2337317
Coextruded, intumescent fire-protection strips jacketed on three sides, obtained by coextruding an intumescent composition composed of a thermoplastic elastomer with a processing temperature of not more than 250°C selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, sulfuric-acid-treated graphite, flame retardant, and an inorganic additive which forms an enamel or forms a ceramic, and a three-sided jacket, where appropriate in association with a chambered profile, made from a thermoplastic elastomer with a processing temperature of not more than 250°C selected from the class consisting of block copolymers and uncrosslinked thermoplastic polyolefins, flame retardant, and, where appropriate, a color pigment, where the fire-protection strips may be designed either as a hot-gas seal or else as a combined cold- and hot-gas seal with spatially separated functions.
Intumex Brandschutzprodukte Ag
Riches Mckenzie & Herbert Llp
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