Process for manufacturing diffusion transfer printing plates

摘要

A method of manufacturing a photosensitive element which can be exposed and enveloped by diffusion transfer processes to form a lithographic printing plate, said method comprising the steps of:
<UnorderedLists id="ula01" listStyle="none" compact="compact"><ListItem>(a) providing a support layer,</ListItem><ListItem>(b) coating a negative acting silver halide emulsion layer onto said support layer, and</ListItem><ListItem>(c) coating a physical development nucleation layer comprising particles onto said silver halide emulsion layer,</ListItem></UnorderedLists>    wherein the coating of said physical development nucleation layer is performed with a coating composition which is at a temperature above 0°C and below 30°C.