Coating materials and the use thereof for the production of weldable coatings
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United States of America Patent
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Apr 6, 2010
Grant Date -
Oct 13, 2005
app pub date -
Jul 11, 2003
filing date -
Aug 8, 2002
priority date (Note) -
Expired
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Abstract
Coating materials for the coil coating process, comprising (A) as binder at least one aliphatic, araliphatic and/or aromatic polyester having an acid number of <10 mg KOH/g, a hydroxyl number of from 30 to 200 mg KOH/g, and a number-average molecular weight Mn of between 1000 and 5000 daltons, (B) as crosslinking agent at least two amino-containing resins of different reactivity, processes for preparing them, and their use as coil coating materials.
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