| 摘要 |
<p>Polyethyleneimine-containing azo dyes of the formula [(D-N=N-K-)yX-]mP where D is the radical of a diazo component which is derived from an isocyclic aromatic amine or from a heteroaromatic amine and is free of hydroxysulfonyl groups, K is the radical of a coupling component of the hydroxynaphthalene, aminopyridine or pyrazolone series which has at most one hydroxysulfonyl group, or is the radical of a coupling component derived from acetoacetic acid, y is 1 or 2, X is a covalent bond or a bridge member if y is 1 or a bridge member if y is 2, and P is the radical of a polyethyleneimine whose degree of polymerization n is from 5 to 25000, and the number m of chromophore radicals is dependent upon the degree of polymerization n and is defined by the ratio m:n=from 1:1 to 1:35, with the proviso that when K is substituted by hydroxysulfonyl the ratio m:n is from 1:2 to 1:35, are useful for dyeing or printing fiber materials and for preparing inks for the ink jet process.</p> |
