Flame-retarded polyolefin polymeric compositions containing 3,9-bromophenoxy-2,3,8,10-tetraoxa-3,9-diphosphaspiro (5.5)undecane-3,9-dioxides
AssigneeVelsicol Chemical Corporation
InventorsJames A. Albright, Chester J. Kmiec
Life of this patent
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Abstract
A flame retarded polyolefin polymer containing from about 1 to about 40 percent (by combined weight of polymer and flame retardant) of the compound of the formula ##STR1## wherein m and n are integers independently selected from the group consisting of 2, 3, 4, and m plus n equal 6.
Claims6
A flame retarded polyolefin polymer containing from about 1 to about 40 percent (by combined weight of polymer and flame retardant) of the compound of the formula ##STR6##
A method for preparing flame retarded polyolefin which comprises incorporating into the polyolefin from about 1 to about 40 weight percent of a flame retardant compound of the formula ##STR7##
Dependencies are inferred from the claim text.