Process for the preparation of discharge effects on dyeings or p

Details Process for the preparation of discharge effects on dyeings or p Process for the preparation of discharge effects on dyeings or p

1974-03-21

1976-08-03

Welsh, M. J.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

D06P 500

Patent

active

039726770

ABSTRACT:
Process for the preparation of discharge effects under or on dyeings or prints with disperse dyes on flat-surface textile structures made of synthetic fibers, which process comprises applying to the textile material a dyeing by padding, slop-padding or printing dischargeable disperse dyes and drying at mild temperatures, printing on the dyeing which has not yet been fixed a discharge paste containing discharge-resistent disperse dyes and fixing that paste after intermediate drying either by a steaming process in saturated steam followed by a treatment with dry heat or a treatment with over-heated steam, or by steaming in pressurized steam.

REFERENCES:
patent: 1914536 (1933-06-01), Smith
patent: 2248128 (1941-07-01), Seymour et al.
patent: 3103404 (1963-09-01), Salvin et al.
Bernardy et al., Melliand Textilberichte, vol. 39 (1958), pp. 292-297.

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