Coating composition including polyurethane for imaging elements
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United States of America Patent
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Dec 8, 1998
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N/A
app pub date -
Sep 11, 1996
filing date -
Sep 11, 1996
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Expired
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Abstract
The present invention describes an imaging element having a support, and at least one layer formed from an aqueous coating composition containing a film forming binder. The film forming binder is a mixture of a polyurethane and a carboxylic acid containing polymer or copolymer having a glass transition temperature of at least 40.degree. C. and an acid number of 60 to 260. The carboxylic acid containing polymer or copolymer is reacted with ammonia or amine so that the coating composition has a pH of from 7 to 10.
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