Metal complexes and use thereof

Details Metal complexes and use thereof Metal complexes and use thereof

C - Chemistry, Metallurgy

09

B

260/166, 8/3

C09B 45/14 (2006.01) C08K 5/00 (2006.01) C08K 5/3445 (2006.01) D06P 1/10 (2006.01)

Patent

CA 1249265

Novel metal complexes and use thereof Abstract of the Dlsclosure The invention relates to novel 1:1 metal complexes of a divalent transition metal and an azo compound of the formula (1) Image (1) wherein X is a hydrogen or a halogen atom, an alkyl, alkoxy, aryloxy, nitro, acylamino, ureido, arylureido, thioureido, thiocyano or sulfamoyl group or a phthalimido group which is unsubstituted or substituted by halogen atoms, Y is a hydrogen or halogen atom, an alkyl or alkoxy group, and R is an alkyl, alkoxycarbonyl, carbamoyl or alkylcarbamoyl group, or wherein X and Y, together with two vicinal carbon atoms of the benzene ring, form a fused benzene or imidazolone ring. These metal complexes, in particular the nickel and copper com- plexes, are suitable for the mass colouration of polymer fibres, especially polyolefins, polyamides or polyeaters. The coloured fibres have good fastness to heat, light and weather, as well as good rub- and wetfastness properties.

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