ABLATION-TYPE LITHOGRAPHIC PRINTING MEMBERS HAVING IMPROVED EXPOSURE SENSITIVITY AND RELATED METHODS

Dry, ablation-type, nitrocellulose-containing lithographic printing members (100) include dual adjacent imaging layers (104, 106), both including an absorber and at least one containing a binder (which may include or consist essentially of a melamine resin). The absorber of the nitrocellulose-contai...

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Bibliographische Detailangaben
1. Verfasser:	SOFTIC, Travis
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	LINING MACHINES MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE PERFORMING OPERATIONS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS TRANSPORTING TYPEWRITERS
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Zusammenfassung:	Dry, ablation-type, nitrocellulose-containing lithographic printing members (100) include dual adjacent imaging layers (104, 106), both including an absorber and at least one containing a binder (which may include or consist essentially of a melamine resin). The absorber of the nitrocellulose-containing layer is a pigment and this layer contains no absorbing dye, while the absorber of the other imaging layer includes or consists essentially of a dye. La présente invention concerne des éléments d'impression lithographique contenant de la nitrocellulose secs, de type à ablation, (100) qui comprennent des couches d'imagerie adjacentes doubles (104, 106), comprenant toutes deux un absorbeur et au moins une contenant un liant (qui peut comprendre ou être essentiellement constitué d'une résine mélamine). L'absorbeur de la couche contenant de la nitrocellulose est un pigment et cette couche ne contient pas de colorant absorbant, tandis que l'absorbeur de l'autre couche d'imagerie comprend ou est essentiellement constitué d'un colorant.