Flame retardant polyurethane composition containing bis(haloalkyl)-nitrilo(trimethylene phosphonates) and phosphonate compound
AssigneeVelsicol Chemical Corporation
InventorJames A. Albright
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Abstract
Compounds of the formula ##STR1## wherein each R is independently selected from the group comprising halogenated alkyl radicals having from about 2 to about 6 carbon atoms and from 1 to about 4 halogen substituents. Also, a polyurethane polymeric composition comprising a polyurethane polymer and a flame retarding amount of the above described compound.
Claims10
A flame-retardant polyurethane polymeric composition comprising a polyurethane polymer and a flame retarding amount of a compound of the formula ##STR5## wherein each R is independently selected from the group comprising halogenated alkyl radicals having from about two to about six carbon atoms and from one to about four halogen substituents.
A compound of the formula ##STR6## wherein each R is independently selected from the group comprising halogenated alkyl radicals having from about two to about six carbon atoms and from one to about four halogen substituents.
Dependencies are inferred from the claim text.