Functionalized polyurethanes
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Jul 14, 1999
filing date -
Jul 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to functionalizable and crosslinkable polyurethanes formed of a polyurethane intermediate including one or more ester groups which react with an amine equivalent to form an amide unit. The polyurethane intermediate comprises the reaction product of alkyl ester of dihydroxypolyacid or dimethylolalkanoic acid, a polyoxyalkylene diol and an organic diisocyanate. The polyurethane is reacted with a solution of an amine equivalent and a solvent or an amine. An article of manufacture can be formed from the polyurethane.
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