Dyeing process

Details Dyeing process Dyeing process

1973-10-31

1976-09-14

Cockeram, H.S.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 93, 8173, 8177AB, D06P 141, D06P 164, D06P 1653

Patent

active

039804283

ABSTRACT:
The present invention relates to a process for dyeing or printing organic substrates in the presence of lactone, the amount of which is sufficient to adjust the pH value of the dyeing or printing medium from a neutral or basic value to a value from 4.0 to 6.5.

REFERENCES:
patent: 2950949 (1960-08-01), Schlack
patent: 3346322 (1967-10-01), Finkenauer
patent: 3909192 (1975-09-01), Gertisser
Hannay et al., Jour. Soc. Dyers and Colorists, June 1953, pp. 195-201.

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