Polyurethane foam and a method of producing the same
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Jun 13, 2006
filing date -
Jun 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A polyurethane foam is obtained by reaction, foaming and curing of a polyurethane foam raw material containing polyols, polyisocyanates, a blowing agent and a catalyst. A hydrate of an inorganic compound and at least one organic compound selected from benzothiazole compounds, dithiocarbamate compounds and sulfenamide compounds are mixed with the raw material of a polyurethane foam. The organic compound is mixed in a proportion of preferably 0.1 to 3.0 parts by mass based on 100 parts by mass of polyols. Preferably, the hydrate of an inorganic compound is a sulfate hydrate, and is mixed in a proportion of preferably 3.0 to 30.0 parts by mass based on 100 parts by mass of polyols. Preferably, the blowing agent is water, and is mixed in a proportion of preferably 3.5 to 9.0 parts by mass based on 100 parts by mass of polyols.
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