Oxidation of vat and sulfur dyes

Details Oxidation of vat and sulfur dyes Oxidation of vat and sulfur dyes

1971-08-03

1977-03-08

Ives, P. C.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 37, 8 82, C09B 900, C09B 4900

Patent

active

040110427

ABSTRACT:
An improvement is disclosed in the oxidation of reduced vat and sulfur dyes to develop their color and improve its fastness in dyed textiles. The improvement is in using an alkali metal bromite as an oxidizing agent for these dyes.

REFERENCES:
patent: 1905346 (1933-04-01), Dreyfus et al.
patent: 2265033 (1944-12-01), Fryer et al.
patent: 2382188 (1945-08-01), Vincent et al.
patent: 2484300 (1949-10-01), Mayhew
patent: 3716325 (1973-02-01), Aspland
Knecht et al., Principles & Practice of Text. Print., 1952, pp. 589-590.

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