Flame retardant blend containing monomeric and oligomeric flame retardants
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United States of America Patent
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app pub date -
Jul 29, 2003
filing date -
Apr 12, 1999
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Abandoned
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Abstract
A flame retardant blend is disclosed that comprises: (a) a monomeric halogenated organic flame retardant that is adapted for use in a polyurethane foam formulation; and (b) an oligomeric organophosphate flame retardant having a phosphorus content of no less than about 10%, by weight, and at least three phosphate ester units therein, the amount of (a) in the blend being no less than the amount of (b). It is useful in polyurethane foams.
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