摘要：

Novel photopolymers having as photocrosslinking radicals alpha -substituted maleimido groups of the formula: ArCO ANGLE C PARALLEL ANGLE N- C ANGLE R1CO wherein Ar stands for a cyclic group of aromaticity and R1 for a hydrogen atom or cyano group. These photopolymers can be produced by introducing the alpha -substituted maleimido groups into a backbone molecular chain of a linear polymer or copolymer according to a reaction known per se, such as amidation, imidation, esterification, quaternization or nuclear substitution.

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