D - Textiles – Paper – 06 – P
Patent
D - Textiles, Paper
06
P
8/51
D06P 7/00 (2006.01) D06B 21/02 (2006.01)
Patent
CA 1087806
PROCESS FOR DYEING TEXTILE MATERIALS Abstract of the disclosure: Process for the exhaust dyeing of natural or synthetic fiber material in the form of wound bodies or dyeing beams wit dyestuffs or components of developing dyestuffs appro- priate for the corresponding fiber type by deaerating within a closed system a pressure-tight dyeing vessel with the in- cluded fiber material by means of saturated steam or super- heated steam and heating it to the dyeing temperature typical for the corresponding dye, then pressing the total quantity of a dyebath, prepared in a separate pressure-tight batch vessel and having the same temperature or a higher temperature, into the textile goods by means of excess pressure within a short period as well as simultaneously from the inside and from the outside of the material package and terminating the dye- ing operation in usual manner, which comprises filling, dur- ing the feeding phase of the liquor, the dyeing vessel with the hot dyebath only partially with regard to its total bath volume so that there is obtained, while the bath is continuous- ly circulating with regard to the material package from the inside to the outside during the actual dyeing operation, owing to the lower volume of the bath, a higher circulation of the bath as compared to completely filled dyeing vessels.
246604
Eltz Hans-Ulrich von Der
Reuther Albert
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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