| abstract |
THIS INVENTION RELATES TO A LIGHT-SENSITIVE COPYING COM%POSITION WHICH COMPRISES AT LEAST ONE LIGHT-SENSITIVE UNSATURATED POLYMERIC SUBSTANCE WHICH IS SOLUBLE, OR AT LEAST SWELLABLE, IN AQUEOUS ALKALI, AND AT LEAST ONE PHOTOINITIATOR, THE POLYMERIC SUBSTANCE BEING A REACTION PRODUCT OF A POLYMERIC SUBSTANCE CONTAINING UNITS WITH ACTIVE HYDROGEN ATOMS, WITH AT LEAST ONE SULFONYL-ISOCYANATE OF THE GENERAL FORMULA R-SO2-NCO WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC OR CYCLOALIPHATIC GROUP WITH AT LEAST ONE OLEFINIC DOUBLE BOND. |