Polyurethane foams having improved heat sag and a process for their production
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 1, 2003
app pub date -
Jun 7, 2001
filing date -
Jun 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Rigid, closed-cell polyurethane foams are produced by a RIM process by reacting an organic polyisocyanate with an isocyanate-reactive mixture in which a significant amount of a bio-based polyol is present. The foams produced by this process are characterized by improved heat sag and heat distortion temperature.
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Family
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Cited Art Landscape
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