AQUEOUS COMPOSITIONS AND OPAQUE COATINGS PROVIDED THEREFROM

AQUEOUS COMPOSITIONS AND OPAQUE COATINGS PROVIDED THEREFROM

An aqueous composition can be used for pre-treating a substrate (300) prior to inkjet printing to provide a white opaque background (330) for inkjet-printed images. This aqueous composition includes: (a) one or more water-soluble salts of a multivalent metal cation at 5-30 weight %; (b) a nonionic o...

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Bibliographische Detailangaben
Hauptverfasser: BUGNER, Douglas Eugene, IRVING, Mark Edward, PUTNAM, David D
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Zusammenfassung:An aqueous composition can be used for pre-treating a substrate (300) prior to inkjet printing to provide a white opaque background (330) for inkjet-printed images. This aqueous composition includes: (a) one or more water-soluble salts of a multivalent metal cation at 5-30 weight %; (b) a nonionic or cationic water-soluble or water- dispersible polymeric binder material at 5-30 weight %; and (c) surface-treated visible light scattering particles having a Dso of at least 0.04 11m and up to and including 2 (im in an amount of 5-60 weight % based on the total aqueous composition weight. The pre- treated substrate is useful as an inkjet receiving medium that can be readily inkjet-printed particularly with anionically-stabilized aqueous pigment-based inks.