Polyurea polymers with improved flexibility using secondary polyetheramines
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United States of America Patent
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Issued Date -
Sep 6, 2007
app pub date -
Mar 1, 2006
filing date -
Mar 1, 2006
priority date (Note) -
Abandoned
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Abstract
Provided herein are polymers, including polyureas, polyurethanes, and polyurea-polyurethane hybrids, made from an isocyanate, a secondary polyetheramine, an aspartic ester amine, and optionally a polyol. The secondary polyetheramine may be used in combination with the aspartic ester amine to increase flexibility or modify other properties and lower cost of the final polymer product while maintaining a desirable cure time.
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