| abstract |
Quaternary compounds of the formula [(K(+)m-X-)n R]mxnxAn(-) wherein K(+) denotes a cationic organic radical, X denotes a linking member, R denotes the radical of a heterocyclic reactive group, m denotes the numbers 1 or 2, n denotes the numbers 1 or 2 and An(-) denotes an anion, can be used for increasing the affinity of anionic dyestuffs for natural or synthetic fibre materials containing nitrogen or hydroxyl groups. |