Agfa Offset Bv

Eco3 Bv

Agfa Nv

Katleen Himschoot

Thomas Billiet

Peter Hendrikx

Fabienne Goethals

Johan August Loccufier

Sam Verbrugghe

Eva Vermeiren

Marieke Van Remoortere

Sue Wilkinson

A lithographic printing plate precursor including on a substrate which has a hydrophilic surface or which is provided with a hydrophilic layer, a coating comprising a photopolymerisable layer including a polymerisable compound, a photoinitiator and adhesion promoting compound containing at least one thiol group and at least one group capable of adhering to the substrate.

Lithographic printing plate precursor

A lithographic printing plate precursor is disclosed which comprises a support, a photopolymerizable image recording layer and an overcoat which comprises a low-molecular radical inhibitor. After image-wise exposure, the plate is heated whereby the radical inhibitor diffuses from the overcoat to the image recording layer, resulting in an increase of the daylight stability of the exposed and heated precursor. Such plate is especially suitable for on-press processing.

Lithographic photopolymer printing plate precursor with improved daylight stability

A lithographic printing plate precursor includes a photopolymerizable coating and an overcoat which is deactivated after imagewise exposure and preheating of the precursor.

A method for making a negative-working lithographic printing plate includes subjecting an image-wise exposed, developed, and dried plate precursor to UV LED radiation.

Method for making a lithographic printing plate

A method of lithographic plate making is disclosed wherein a plate precursor is exposed to laser radiation in the wavelength range from 350 to 450 nm, said plate precursor comprising a hydrophilic support and a photopolymerizable or photocrosslinkable image recording layer, and then processed on-press by supplying fountain and ink. The exposure produces a visible image having a 1976 CIELAB color distance &#x394;E between exposed and non-exposed areas of at least 2.5.

Growing community of inventors

Mortsel, Belgium

Katleen Himschoot