Cationic dyes

Dyes of formula

• wherein
• D is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine, perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye;
• Q is C1-C30alkylene, —C2-C12alkenylene, —C5-C10arylene-, —C5-C10cycloalkylene- or —C1-C10alkylene(C5-C10arylene)- which may be interrupted and/or terminated at one or both ends by one or more than one —O—, —S—, —N═, —N(R1)—, SO2, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—C1-C12alkenylene, —C(O)O—, —OCO—,
• —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —CSR1— or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (hetero)cyclic) bivalent radical optionally comprising at least one heteroatom;
• —O—;
• —S—;
• —N(R1—;
• SO2;
• —(CH2CH2—O)1-5—;
• —C(O)—;
• —C(O)—C1-C12alkenylene;
• —C(O)O—, —OCO—;
• —CON(R1)—;
• —C(NR1R2)2—;
• —(R1)NC(O)—;
• CSR1;
• saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical optionally comprising at least one heteroatom;
• which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, —C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1-C10alkyl(C5-C10arylene), hydroxy or D+;
• R1 and R2 independently from each other are hydrogen;
• or unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl;
• C1-C14 hydroxyalkyl;
• C1-C14 aminoalkyl;
• C2-C14alkenyl;
• C6-C10aryl;
• C6-C10aryl-C1-C10alkyl;
• or C5-C10 alkyl(C5-C10aryl).