Fluorescent chromophores containing cyanimino groups

Details Fluorescent chromophores containing cyanimino groups Fluorescent chromophores containing cyanimino groups

C - Chemistry, Metallurgy

09

B

C09B 57/00 (2006.01) C08K 5/16 (2006.01) C08K 5/34 (2006.01) C09B 1/28 (2006.01) C09B 7/02 (2006.01) C09B 29/36 (2006.01) C09B 48/00 (2006.01) C09B 69/00 (2006.01)

Patent

CA 2145375

Compounds selected from the series consisting of the perylenecarboximide, quinacridone, isoindoline, indigoid, azo, benzodipyrrolone, benzodifuranone, furanofuran, pyrrolo[2,5-b]pyrrole and bianthraquinone chromophores containing at least one grouping of formula Image (I), wherein each A may be N-CN or O, with the proviso that at least one A must be N-CN, X is -N(R)-, -O- or -S-, R is hydrogen, C1-C18alkyl, unsubstituted or halogen- or C1-C4alkyl-substituted phenyl, benzyl or phenethyl, and m and n are each independently of the other 0 or 1. Depending on the nature of their substituents, these compounds can be used as polymer-soluble dyes or as pigments for colouring high molecular weight organic material. They are distinguished by a surprisingly high solid-state fluorescence.

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