C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 27/06 (2006.01) C08J 9/06 (2006.01) C08K 3/30 (2006.01) C08L 91/00 (2006.01) C09K 21/02 (2006.01) C09K 21/14 (2006.01)
Patent
CA 2582763
Fire-retardant, heat-resistant, smoke-suppressant plastic materials, such as polyvinyl chloride, having incorporated therein an intumescent material are disclosed. The intumescent material comprise and intumescent catalyst selected from the group consisting of salts of phosphoric acid and salts of sulfuric acid; and a carbonific material selected from the group consisting of starches, sugars, sugar alcohols, oils, and plasticizers. The fire-retardant, heat-resistant, smoke-suppressant plastic materials may be in the form of a foamed or non-foamed plastic. Methods of making such plastic materials are also disclosed.
L'invention concerne des matériaux plastiques ignifuges, thermorésistants, anti-fumée, tels que du polychlorure de vinyle, contenant un matériau intumescent. Ledit matériau intumescent contient un catalyseur intumescent choisi dans le groupe composé de sels d'acide phosphorique et de sels d'acide sulfurique, et un matériau carbonifère choisi dans le groupe composé d'amidons, de sucres, d'alcools de sucre, d'huiles et de plastifiants. Les matériaux plastiques ignifuges, thermorésistants, anti-fumée selon l'invention peuvent se présenter sous la forme d'un plastique expansé ou non. L'invention concerne également des procédés de fabrication de tels matériaux plastiques.
Barone Richard J.
Dimanshteyn Felix A.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Tpr2 Vinyl Corporation
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