Copolymerizable photoinitiators

Details Copolymerizable photoinitiators Copolymerizable photoinitiators

C - Chemistry, Metallurgy

07

C

402/511, 260/481

C07C 69/54 (2006.01) C08F 2/50 (2006.01) C09D 11/10 (2006.01) G03F 7/031 (2006.01)

Patent

CA 1275109

Abstract The invention relates to copolymerizable photo initiators of the general formula I Image (I) in which R1 and R2 are each H, C1-C6-alkyl, R3 is H, C1-C6-alkyl, C1-C6-alkanoyl or the group Z, R4 is H, halogen, C1-C12-alkyl, C1-C12-alkoxy, C1-C12-alkylthio or the group -X[(CH2CH2-O)n-Z]m and X is O, S or N n is the numbers 0 to 4, m is the number 1 for X = O and S or the numbers 1 and 2 for X = N : Z is the group -CO-CR=CR'R" with R, R', R" each being H or CH3, always at least one of the radicals R3 or R4 containing the group Z.

519146

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