Extruded polymer foams containing brominated...

Details Extruded polymer foams containing brominated... Extruded polymer foams containing brominated...

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08J 9/12 (2006.01) C08L 25/04 (2006.01)

Patent

CA 2708796

Extruded polymer foams are prepared using 5,5-bis(bromomethyl)-2-oxo-1,3,2- dioxaphosphorinane or brominated 2-oxo-1,3,2-dioxaphosphorinane compounds. The brominated FR additives unexpectedly are stable at the extrusion temperatures, and provide excellent flame retardancy to the foams.

L'invention porte sur des mousses polymères extrudées qui sont préparées à l'aide de composés 5,5-bis(bromométhyl)-2-oxo-1,3,2-dioxaphosphorinanes ou 2-oxo-1,3,2-dioxaphosphorinanes bromés. Les additifs FR bromés sont stables de façon inattendue aux températures d'extrusion, et confèrent un excellent retard de flamme aux mousses.

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