| 摘要 |
1. Process of dyeing, in which the substrate to be dyed is contacted with a bath to which a pulverulent dye and a powder of an inorganic material, insoluble in the bath, have been added, characterised in that a dye and an inorganic material are selected such that the latter is chemically inert to the dye, does not absorb it, does not give an insoluble coloured combination with it, the powder of the dye and that of the inorganic material are particles of about 1 to 50 mu m, they are intimately mixed and the powder of the inorganic material has a specific surface in the range from 4 to 110 m**2 /g. |
