| 摘要 |
1. Process for the manufacture of dyed nonwoven textile materials made of polyester and polyamide, characterized in that the textile material is dyed with a polyester dying dispersion dye or with pigments, excessive colorant is removed and the dying of the polyamide portion is carried out by way of vat dyes, leuco vat dyes, sulfur dyes or soluble sulfur dyes, whereby the above mentioned dyes, if required for the achievement of solubility thereof, are vat processed and after the application converted into the real colorants by oxidation. 2. Process according to claim 1, characterized in that above mentioned dyes are reduced to increase solubility thereof. 3. Process according to claim 1 or 2, characterized in that the dying of the polyamide portion is carried out by way of vat dyes. 4. Process according to any one of claims 1-3, characterized in that first the dying of the polyester portion with colorant dispersions is carried out, followed by a reductive cleaning at about 80 degree C and that the polyamide portion is dyed thereafter. 5. Process according to claim 3 or 4, characterized in that the dying is carried out in a dye bath, whereby the removal of the excess polyester dying colorant dispersion is carried out at the same time as the vat dying and by way of reducing agents such as sodium dithonite, glycose, or sodium sulfide. 6. Process according to any one of claims 1 to 5, characterized in that split micro staple fibers or spunbond nonwovens are used as the textile materials. 7. Process according to claim 6, characterized in that micro filament nonwovens made of spin colored polyester and/or the polyamides are used.
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