Inhibition of re-absorption of migrating dyes in the wash liquor

Details Inhibition of re-absorption of migrating dyes in the wash liquor Inhibition of re-absorption of migrating dyes in the wash liquor

1994-06-14

1995-10-31

Albrecht, Dennis

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8137, 252 95, 252102, 25217423, 25218633, 252523, 252526, 252541, 252545, 252DIG14, 502167, C11D 330, C11D 3395, C11D 710, D06L 302

Patent

active

054625645

ABSTRACT:
A process for inhibiting the re-absorption of migrating dyes in the wash liquor comprises introducing into a wash liquor containing a peroxide-containing detergent, from 0.5 to 150 mg, per liter of wash liquor, of one or more manganese compounds having the formula (1), (2), (3), (4), (5), (6) or (7) as defined in the specification. The manganese compounds do not exhaust at all on to cotton, polyamide or polyester fibres so that the compounds cannot lead to fibre discoloration problems.

REFERENCES:
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patent: 5114611 (1992-05-01), Van Kralingen
patent: 5153161 (1992-10-01), Kerschner
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patent: 5227084 (1993-07-01), Martens
patent: 5244594 (1993-09-01), Favre
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patent: 5246621 (1993-09-01), Favre
patent: 5314635 (1994-05-01), Hage
patent: 5356554 (1994-10-01), Delwel
Kamat et al., Jour. Indian Chem. Soc., vol. 46 (1969) pp. 345-347.
CA 51:6300h.
CAS Registry #s 138394-37-3, 25395-86-2, 133193-92-7.

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