Urea catalyst for preparation of sucrose polyols useful for rigid polyurethane foams
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United States of America Patent
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Apr 11, 1989
Grant Date -
N/A
app pub date -
Oct 30, 1986
filing date -
Oct 30, 1986
priority date (Note) -
Expired
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Abstract
Catalytic quantities of urea are used in the alkoxylation of aqueous sucrose to prepare low color polyols useful in rigid polyurethane foams.
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