CROSSLINKING COMPONENTS FOR ELECTROCOAT COMPOSITIONS, ELECTROCOAT COMPOSITIONS, AND PROCESSES FOR FORMING A LAYER OF AN ELECTROCOAT COMPOSITION ON A SURFACE OF A SUBSTRATE
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Dec 18, 2014
filing date -
Dec 18, 2014
priority date (Note) -
Abandoned
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Abstract
A crosslinking component for electrocoat compositions is provided. The crosslinking component contains a blocked polyisocyanate. The blocked polyisocyanate includes at least three blocked isocyanate groups. A blocking agent for the blocked polyisocyanate contains from about 25 to about 75 mol % alcohols (A) comprising 4 carbon atoms or less, and from about 25 to about 75 mol % alcohols (B) comprising 5 carbon atoms or more and containing one or more ether groups. An electrocoat composition containing the crosslinking component and a process for forming a layer of an electrocoat composition on a surface of a substrate also are provided.
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