| 摘要 |
Synthetic or natural polyamide fibres or their mixtures are dyed with pastes, solns., or in baths contg. in concd. form a dye of formula: (where one X is Cl, methyl or (pref.) H, and the other X, pref. that in the para-posn. to the NH-bridge, is a propionylamino radical). |
