Composition and process for and article with improved autodeposited surface coating based on epoxy resin
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United States of America Patent
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Mar 19, 1996
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app pub date -
May 2, 1995
filing date -
Oct 2, 1989
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Abstract
The quality of coating in autodeposition from solutions in which the coating is predominantly derived from epoxy resins can be improved in two ways, which can be used jointly or separately: A blocked isocyanate is used as cross linking agent for the epoxy resin, and a surfactant that prevents the occurrence of phase separation during drying of the coating is used. Preferably the surfactant is a fluoroaliphatic polymer ester.
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