Method of making a photopolymer sleeve blank having an...

Details Method of making a photopolymer sleeve blank having an... Method of making a photopolymer sleeve blank having an...

G - Physics

03

F

G03F 7/11 (2006.01) B41C 1/00 (2006.01) B41N 1/06 (2006.01)

Patent

CA 2562872

A method of making a photopolymer sleeve blank for use in flexographic printing is provided which includes providing a base sleeve, applying a cushion layer over the base sleeve, applying an optional barrier layer over the cushion layer, and applying a photopolymer layer over the barrier or cushion layer. The method provides a sleeve blank having an integral cushion layer and eliminates the need for a back exposure step.

L'invention concerne un procédé de fabrication d'une ébauche de manchon photopolymère destinée à être utilisée à des fins d'impression flexographique. Ce procédé consiste à produire un manchon de base, à appliquer une couche d'amortissement sur le manchon de base, à appliquer une couche barrière facultative sur la couche d'amortissement et à appliquer une couche photopolymère sur la couche barrière ou sur la couche d'amortissement. Ce procédé permet d'obtenir une ébauche de manchon comportant une couche d'amortissement intégrée et rend superflue l'étape d'exposition dorsale.

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