Aminofunctional polyvinylacetals
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United States of America Patent
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Apr 10, 2012
Grant Date -
Aug 13, 2009
app pub date -
May 18, 2005
filing date -
Jun 1, 2004
priority date (Note) -
Expired
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Abstract
Polyvinyl acetals which contain acetal moieties derived by acetalizing polyvinyl alcohol with both aliphatic aldehydes or their derivatives and with amino- and/or ammonium-substituted aldehydes display exceptional substrate adhesion when used in printing ink as binders, allowing inks without adhesion promoters to be produced.
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