Method of dyeing textiles

Details Method of dyeing textiles Method of dyeing textiles

1997-04-02

1999-01-19

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Carboxylic acid or salt thereof

8623, 8485, 8653, 8646, 8918, 8596, D06P 1653, D06P 1673, D06P 134

Patent

active

058610456

ABSTRACT:
There is provided a method of dyeing cellulosic and/or wool fibers and fabrics in a dyebath containing a dilute solution of tannic acid and/or tannic acid containing products at a proper pH. An exhaust salt is added to the bath to exhaust the tannic acid and then the tannic acid is fixed with an iron salt.

REFERENCES:
patent: 60148 (1866-12-01), Davies
patent: 768809 (1904-08-01), Lawson
patent: 1321972 (1919-11-01), Bolz
Knecht et al Manual of Dyeing: For The Use of Practical Dyers, Manufacturers, Students and All Interested in the Art of Dyeing, 9th edition, vol. pp., 179, 184-190-262-264, 1945.
Hummel, Mordants, Methods and Machinery Used in Dyeing, pp. 80-81, Nov. 1906.
Lyman Fourt et al, "The Improvement of Luster of Cotton Part XI: Dyes and Luster", Textile Research Journal, vol. XXV, #4 Apr. 1955.

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