Polyurethane foam-filled foam resistant to combustion and method of producing same
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United States of America Patent
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-
Mar 20, 1984
Issued Date -
N/A
app pub date -
Aug 18, 1982
filing date -
Jun 18, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polyurethane foam products comprising a foam filled with a foam and a large amount of combustion retardant materials are described. The foams are prepared by foaming a polyurethane foam-forming diisocyanate and polyol around pre-formed polyurethane foam chips having incorporated therein solid combustion retardant materials. The polyurethane foam-filled foams have excellent physical characteristics and, because of their combustion properties, are particularly suitable for furniture upholstery and cushioning applications including in mattresses.
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Cited Art Landscape
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