Cationic styryl dyestuffs

Details Cationic styryl dyestuffs Cationic styryl dyestuffs

C - Chemistry, Metallurgy

09

B

8/1, 260/385, 26

C09B 23/14 (2006.01) C09B 69/00 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1086759

Abstract Styryl dyestuffs of the formula Image An? wherein Q? represents a grouping containing a quaternary nitrogen atom and A represents a bridge member, at least one of the radicals R and R1 denotes a carbo- cyclic or heterocyclic 5-membered or 6-membered ring optionally bon? via a linking member to the nitrogen atom, or, wi? o-position of ring a, forms a heterocyclic structure of this type, and the second radical can also represent alkyl or alkenyl, or R and R1 together form a 5-membered or 6-membered ring, and A? represents an anion, are suitable for dyeing, enscribing and printing paper and for dyeing and printing synthetic fibres, especially made of poly- acrylonitrile, acid-modified polyesters or polyamides.

300038

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