Polyurethane composition for use as a dispersing binder
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United States of America Patent
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Dec 6, 1994
Grant Date -
N/A
app pub date -
Dec 22, 1993
filing date -
Dec 22, 1993
priority date (Note) -
Expired
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Abstract
The present invention discloses a novel polyurethane composition useful as a dispersing binder. The binder yields magnetic dispersions having high gloss values. Moreover, the polyurethane provides excellent hydrolytic stability. The polyurethane comprises a polyol, a diisocyanate a chain extender and an functional modifier formed of a reaction product of an aminodiol and Bronsted Acid.
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