Flame retardant composition comprising a phosphonic acid...

Details Flame retardant composition comprising a phosphonic acid... Flame retardant composition comprising a phosphonic acid...

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) C08K 5/3492 (2006.01) C08K 5/5317 (2006.01) C08K 5/5333 (2006.01) C08L 25/02 (2006.01) C08L 67/00 (2006.01) C08L 69/00 (2006.01) C08L 77/00 (2006.01) C08L 77/12 (2006.01)

Patent

CA 2504918

Flame retardants are described, comprising (A) at least one metal or metalloid salt of a phosphonic acid of formula (I) wherein R is hydrogen, C1-C18alkyl, C5-C6cycloalkyl, C2-C6alkenyl, C6-C10aryl or C7-C11aralkyl and R~ is hydrogen, C1-C8alkyl, C6-C10aryl or C7-C11aralkyl, the substituents R and R~ that are other than hydrogen being unsubstituted or substituted by halogen, hydroxyl, amino, C1-C4alkylamino, di-C1-C4alkoxy, carboxy or C2-C5alkoxycarbonyl; and the metal or metalloid is one from Group IA, IB, IIA, IIB, IIIA, IVA, VA or VII of the Periodic Table; and (B) at least one flame retardant component based on a nitrogen compound, and also the use thereof in synthetic polymers.

L'invention concerne des compositions ignifuges comprenant: A) au moins un sel métallique ou métalloïde d'acide phosphorique représenté par la formule (I), et B) au moins un composant ignifuge à base de composé d'azote. Dans la formule (I) R représente hydrogène, C¿1?-C¿18?alkyle, C¿5?-C¿6?cycloalkyle, C¿2?-C¿6?alcényle, C¿6?-C¿10?aryle ou C¿7?-C¿11?aralkyle et R' représente hydrogène, C¿1?-C¿8?alkyle, C¿6?-C¿10?aryle ou C¿7?-C¿11?aralkyle, les substituants R et R' autres qu'hydrogène étant non substitués ou substitués par halogène, hydroxyle, amino, C¿1?-C¿4?alkylamino, di-C¿1?-C¿4?alkoxy, carboxy ou C¿2?-C¿5?alcoxycarbonyle; et le métal ou le métalloïde appartient à l'un des groupes IA, IB, IIA, IIB, IIIA, IVA, VA ou VII de la table périodique. L'invention concerne également l'utilisation de ces compositions dans des polymères synthétiques.

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