Additive for aqueous polyurethane dispersion
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United States of America Patent
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Apr 17, 2012
Grant Date -
Mar 17, 2011
app pub date -
Sep 11, 2009
filing date -
Sep 11, 2009
priority date (Note) -
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Abstract
The present invention relates to glycine derivatives as additive for an aqueous polyurethane dispersion. Said glycine derivatives can increase the fluidity of aqueous polyurethane dispersion and therefore is useful for preparation of aqueous polyurethane dispersion with high solid content. Besides, the glycine derivatives are able to significantly decrease the viscosity of aqueous polyurethane dispersion; therefore, the aqueous polyurethane dispersion with high solid content can be stored stably.
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