Binders curable at room temperature with low blocking
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United States of America Patent
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Mar 16, 2010
Grant Date -
Jan 10, 2008
app pub date -
Sep 17, 2007
filing date -
Jul 15, 2004
priority date (Note) -
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Abstract
Topically-applied binder materials for imparting wet strength to soft, absorbent paper sheets, such as are useful as household paper towels and the like, include an azetidinium-reactive polymer, such as a carboxyl-functional polymer, an azetidinium-functional polymer and, optionally, a component useful for reducing sheet-to-sheet adhesion (blocking) in the product. These binder materials can be cured at ambient temperature over a period of days and do not impart objectionable odor to final product when wetted.
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