| 摘要 |
<p>PROCESS FOR THE MANUFACTURE OF ANTHRAQUINONE DYESTUFF MIXTURES A process for the manufacture of anthraquinone dyestuff mixtures by brominating one mol of a diphenyl ether of the formula or of a mixture of such compounds, wherein R1 denotes a hydrogen atom or a phenyl or phenoxy group, with a quantity of bromine between 1 and 2 mols, if R1 denotes a hydrogen atom, or with a quantity of bromine between 0.9 and 2 mols, if R1 denotes a phenyl or phenoxy group, and reacting the resulting bromination product with a molar quantity, corresponding to the degree of bromination, of a monoaminoanthraquinone or a mixture of monoaminoanthraquinones, which obtained anthraquinone dyestuff mixtures are useful for deing thermoplastics, especially linear polyesters.</p> |
