METHOD FOR USING GRAFT COPOLYMER FOR MANUFACTURING LASER-ENGRAVABLE RELIEF PRINTING ELEMENT

PROBLEM TO BE SOLVED: To provide an engravable relief printing element having high sensitivity to a laser radiation without fusion by the laser. SOLUTION: A graft copolymer is used to manufacture a laser engravable relief printing plate, and the graft copolymer is obtained by a free radical polymeri...

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Bibliographische Detailangaben
Hauptverfasser:	WENZL WOLFGANG, STEBANI UWE DR, LEINENBACH ALFRED DR, HILLER MARGIT
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTINGSURFACES STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an engravable relief printing element having high sensitivity to a laser radiation without fusion by the laser. SOLUTION: A graft copolymer is used to manufacture a laser engravable relief printing plate, and the graft copolymer is obtained by a free radical polymerization of a vinyl ester in the presence of a polyalkylene oxide and a subsequent hydrolysis of an ester group.