Photocurable coloured compositions

C - Chemistry – Metallurgy – 08 – K

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C08K 5/17 (2006.01) C07C 45/63 (2006.01) C07D 295/10 (2006.01) C07D 295/108 (2006.01) C07D 295/112 (2006.01) C07D 303/48 (2006.01) C07D 339/08 (2006.01) C08F 2/50 (2006.01) C09D 11/10 (2006.01) G03F 7/031 (2006.01)

Patent

CA 1198426

Photocurable coloured compositions Abstract Compounds of the formula I, II or III Image I Image II Image III in which Ar is a sulfur-containing aromatic radical, R1 and R2 are a monovalent hydrocarbon radical which is substi- tuted or unsubstituted or R1 and R2 together form alkylene, oxaalkylene or azaalkylene, R3 is a direct bond or a di- valent hydrocarbon radical, X is a monovalent amino group and X' is a divalent amino or diamino group, are excellent photoinitiators for the photocuring of coloured, in part- cular pigmented, compositions containing an olefinically unsaturated, photopolymerisable binder.

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