Process for the dyeing of modified polyester fibers

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning

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8168, 8169, 8 92, D06P 382

Patent

active

039321215

ABSTRACT:
A novel process for the dyeing of modified polyester fibers containing sulfonate group, as well as mixed fibers and union fabrics thereof with other fibrous materials with cationic dyestuff is provided. The dyeing is carried out in the presence of one or more of aliphatic dicarboxylic acid diesters containing 8 to 14 carbon atoms. The resulting dyeings possess an outstanding fastness properties especially fastness to light.

REFERENCES:
patent: 3545910 (1970-12-01), Ong
patent: 3681005 (1972-08-01), von der Eltz et al.
patent: 3723055 (1973-03-01), Hooper et al.

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