MODIFIED POLYURETHANES
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United States of America Patent
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app pub date -
Feb 21, 2014
filing date -
Jun 3, 2003
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Abstract
The present invention relates to isocyanate functional prepolymers, aqueous polyurethane dispersions produced from the prepolymers and various uses of such dispersions. The prepolymers are prepared by reacting a diisocyanate, a dihydroxy compound having a number average molecular weight of from about 700 to about 16,000, and a trihydroxy component of the formula:
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