CURABLE COMPOSITIONS

摘要

A curable composition with an enhanced drying window for use in a primary or secondary imaging system is obtainable as the reaction product or an anhydride polymer and at least an ethylenically unsaturated material having one or more hydroxy groups. The anhydride functional polymer is obtainable as the reaction product of an ethylenically unsaturated monomer material and a cyclic anhydride capable of reacting with the unsaturated monomer material. The latter reaction is effected in the presence of a free radical initiator with a low-hydrogen abstracting capability. This is defined as an initiator having a hydrogen bond dissociation energy of no more than 430 KJ/mole.