Aromatic sulfonyl fluorides as peroxygen activators

Details Aromatic sulfonyl fluorides as peroxygen activators Aromatic sulfonyl fluorides as peroxygen activators

1977-10-03

1978-09-19

Schulz, William E.

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

252 95, 252186, 260543F, D06L 302, D06L 304

Patent

active

041150597

ABSTRACT:
A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an aromatic sulfonyl fluoride of the formula ArSO.sub.2 F, wherein Ar is an aromatic ring system selected from the class consisting of a phenyl group, a naphthyl group, and a heterocyclic group having 1 to 2 rings, each ring containing 5 to 6 members of which 1 to 2 are heteroatoms selected from the class consisting of nitrogen, oxygen and sulfur, said groups optionally bearing substituents selected from the class consisting of nitro, alkyl of 1 to 16 carbon atoms, alkoxy of 1 to 16 carbon atoms, aliphatic carboxamido of 1 to 16 carbon atoms, aliphatic acyl of 1 to 16 carbon atoms, benzamido, benzoyl, chlorine and bromine. Also described are dry blend compositions containing the bleach bath components.

REFERENCES:
patent: B504582 (1976-09-01), Plattner et al.
patent: 2276097 (1942-03-01), Salzberg
patent: 2337532 (1943-12-01), Thomas

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