Information recording medium

A first information recording medium according to the present invention includes a substrate and an ink receiving layer disposed on one main face of the substrate. The water contact angle of the surface of the ink receiving layer is at least 85° and at most 110°. The surface of the ink receiving lay...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KANENO KIMIHIKO, HOMMA RYUTA, OKUMURA YASUAKI, MATSUKI YOTA
Format:	Patent
Sprache:	eng
Schlagworte:	COLOUR PRINTING LINING MACHINES PERFORMING OPERATIONS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A first information recording medium according to the present invention includes a substrate and an ink receiving layer disposed on one main face of the substrate. The water contact angle of the surface of the ink receiving layer is at least 85° and at most 110°. The surface of the ink receiving layer is provided with protrusions with a height of at least 4 mum. The number of the protrusions is at least 20 pcs/mm2 and at most 100 pcs/mm2. Furthermore, in a second information recording medium according to the present invention, the ink receiving layer contains particles with a particle size of at least 20 mum. The particles include particles that are exposed partially on the surface of the ink receiving layer. The number of these particles is at least 75 pcs/mm2 and at most 250 pcs/mm2.