Process for the preparation of rigid polyurethane foam
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United States of America Patent
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-
Sep 16, 1997
Grant Date -
N/A
app pub date -
May 7, 1996
filing date -
Mar 29, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a process for the preparation of rigid polyurethane foam from a polyol and a polyisocyanate, it is possible to prepare rigid polyurethane foam by using an aqueous polymer emulsion comprising a polymer of ethylenically unsaturated monomers whereby the amount of chlorofluorocarbon used can be decreased or eliminated.
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Cited Art Landscape
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