| 摘要 |
The fibres are partially or completely treated with a printing paste, or a printing bath contng. as well as the usual printing agents, a marking substance which can be an optical whitening agent having affinity for the fibres, an anionic dye having good migratory props. to give good differentiation, an anionic dye which changes to white by dissociation, or a dispersed dye which also migrates well. |
