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Summary:The copolymerisable photoinitiators have the formula I in which R and R each denote H, C1-6-alkyl or phenyl, R denotes H, C1-6-alkyl, C1-6-alkanoyl or the group Z, R denotes H, halogen, C1-12-alkyl, C1-12-alkoxy, C1-12-alkylthio or the group -X[(CH2-CH2-O)n-Z]m and X denotes O, S or N n denotes the numbers 0 to 4, m denotes the number 1 if X is O and S or the numbers 1 and 2 if X is N Z denotes the group -CO-CR=CR'R'' where R, R', R'' each denote H or CH3, at least one of the radicals R or R always containing the group Z.
Bibliography:Application Number: FI19860003894