Polyurethane-based binder, as well as the production thereof
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United States of America Patent
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-
Nov 17, 1981
Grant Date -
N/A
app pub date -
Jun 16, 1980
filing date -
Jun 23, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cold setting molding material which includes sand and a polyurethane binder with the polyol portion of the polyurethane reaction mixture containing a tertiary amino group and phenolic hydroxyl groups.
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Cited Art Landscape
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