Polyurethane-based friable sealing compound
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United States of America Patent
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Jan 17, 1995
Grant Date -
N/A
app pub date -
Apr 16, 1993
filing date -
Oct 16, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A polyurethane friable sealing compound free of solvent and plasticizer having a shore A hardness of below 40 and consisting essentially of a polyol component and an isocyanate component. The polyol component is selected from modified triglycerides obtained by partial ring opening of epoxidized triglycerides of a fatty acid mixture containing olefinically unsaturated fatty acids and monohydric or polyhydric alcohols. The isocyanate component is selected from polyfunctional aromatic and aliphatic isocyanates, wherein the OH:NCO equivalent ratio is from 1:0.1 to 1:1.15.
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Cited Art Landscape
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