Graft polymer with unsaturated lateral chains, photosensitive mi

Details Graft polymer with unsaturated lateral chains, photosensitive mi Graft polymer with unsaturated lateral chains, photosensitive mi

1990-07-27

1992-07-28

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

522 90, 522 96, 522149, 525455, 525456, 525912, C08F 246, C08F28304, G03C 152

Patent

active

051340534

ABSTRACT:
Disclosed is a photocurable mixture which is suited for the production of printing plates, in particular planographic printing plates, and photoresists. The mixture comprises a graft polymer comprised of a polyurethane as the graft backbone and grafted-on chains containing vinyl alcohol units and units with lateral, polymerizable or crosslinkable double bonds, and a photosensitive compound, such as a photoinitiator or a negative-working diazo compound.
The printing plates prepared from the mixture are distinguished by high photospeed, good developability with aqueous solutions and long print runs.

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