PHOTOPOLYMERIZABLE COMPOSITIONS PREPARED FROM BETA-HYDROXY ESTERS AND POLYITACONATES
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Abstract
A PHOTOPOLYMERIZABLE COMPOSITION COMPRISED OF A MAJOR AMOUNT OF BETA-HYDROXYESTER AND A MINOR AMOUNT OF A POLYMERIZABLE ESTER FROM ITACONIC ACID. OPTIONALLY THE COMPOSITIONS CONTAIN A POLYACRYLATE AND PHOTOSENSITIZER. THE PHOTOPOLYMERIZABLE COMPOSITIONS ARE USEFUL IN THE PREPARATION OF VEHICLES FOR PRINTING INKS WHICH WHEN PRINTED ON A SUBSTRATE DRY RAPIDLY UNDER IRRADIATION WITH ULTRAVIOLET LIGHT. SUPERIOR ADHESION OF THE COMPOSITIONS TO METAL SURFACES IS OBTAINED BY HEATING THE IRRADIATED COMPOSITION.
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