| 摘要 |
A water-soluble, asymmetric oxalic acid diarylamide of the general formula …<IMAGE>… in which … … R1 independently of one another denotes C1-C5-alkyl which is unsubstituted or substituted by hydroxyl or alkoxy, or benzyl which is unsubstituted or substituted by C1-C5-alkyl, … R2 denotes hydrogen, halogen, C1-C12-alkyl or phenyl-C1-C5-alkyl … R3 denotes hydrogen, halogen, C1-C12-alkyl, phenyl-C1-C5-alkyl or C1-C5-alkoxy, … A denotes a direct bond or a divalent radical of the formula -O-Q-, in which … Q denotes C1-C6-alkylene which is unsubstituted or substituted by hydroxyl, M denotes hydrogen or alkali metal and … r denotes 2, 1 or 0. … …<??>The new water-soluble, fibre-reactive compound is suitable for the photochemical and thermal stabilisation of polyamide fibre materials and dyeings thereof. |
