Low scorching flame retardants for polyurethane foams
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United States of America Patent
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Issued Date -
Jul 30, 2009
app pub date -
Apr 26, 2005
filing date -
Apr 27, 2004
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Abandoned
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Abstract
A flame retardant composition for use in flame retarding a polyurethane foam composition so that the foam has reduced scorch as a result of its manufacture, said flame retardant composition comprising a mixture of (a) a flame retardant of the type that normally causes scorch when used in such foam and (b) a benzofuranone derivative, as a anti-scorch stabilizer. Flame retarded polyurethane foams having reduced discoloration are also provided.
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