Process for applying a coating to a coiled metal sheet
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United States of America Patent
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Jun 30, 2009
Grant Date -
Apr 24, 2008
app pub date -
Oct 11, 2007
filing date -
Dec 16, 2003
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Abstract
The invention relates to a process for preparing a coated metal sheet coil comprising the coating of the metal sheet with a curable composition comprising an (meth)acrylated oligomer which is the reaction product of a carboxyl functionalized polybutadiene comprising x equivalents of —COOH groups with (i) y equivalents of one or more (meth)acrylated monoepoxides or (ii) a mixture of z equivalents of one or more polyepoxides and at least (z−x) equivalents of an α,β-unsaturated carboxylic acid; with z>x and y≧x.
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