Polyurethane foam sealing material and process for producing the same
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United States of America Patent
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-
Apr 28, 1981
Grant Date -
N/A
app pub date -
Apr 23, 1979
filing date -
Apr 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible or semi-rigid open-cell, polyurethane foam sealing material prepared from a polyisocyanate and a polyol component, a major portion of said polyol component consisting of a polyol derived from a dimer acid or castor oil, castor oil, or a mixture thereof in the presence of a blowing agent, a foam stabilizer, a catalyst, and, optionally, a lipophilic filler.
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Cited Art Landscape
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