Printing optical patterns on polymer articles

An optical pattern can be placed within a hydrophobic polymer article, for example a polyester film, by printing disperse dyestuff directly onto the surface of the article followed by heat treatment to cause the dyestuff to diffuse into the surface of the article without use of any swelling agent. T...

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Bibliographische Detailangaben
Hauptverfasser:	JOHN BENNETT FENN JR, STEVEN ALLEN BARTH, WILLIAM DOUGLAS SNIDER, MICHAEL GLENN ARNDT
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TYPEWRITERS
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Beschreibung
Zusammenfassung:	An optical pattern can be placed within a hydrophobic polymer article, for example a polyester film, by printing disperse dyestuff directly onto the surface of the article followed by heat treatment to cause the dyestuff to diffuse into the surface of the article without use of any swelling agent. The pattern may be a visible pattern, and is highly resistant to scratching, scuffing and migration, bleeding or blooming. The dyestuff is preferably applied to the article together with a polymeric thickening agent. The dyestuff may be coated onto the article from a dispersion in a volatile liquid such as water or a mixture of water with a low-boiling organic solvent.