Bleaching cotton-containing fabrics with hypochlorite at elevate

Details Bleaching cotton-containing fabrics with hypochlorite at elevate Bleaching cotton-containing fabrics with hypochlorite at elevate

1985-05-03

1986-11-11

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, D06L 306

Patent

active

046220372

ABSTRACT:
Cotton-containing fabrics are bleached with hypochlorite in an aqueous alkaline liquor at elevated temperatures by a process in which bleaching is carried out at from 80.degree. to 110.degree. C. in the course of from 30 seconds to 25 minutes in the presence of a water-soluble polyhydroxy compound, as a readily oxidizable substance, in an amount of from 0.5 to 20 g/l.

REFERENCES:
patent: 3528921 (1970-09-01), Gray
patent: 4390448 (1983-06-01), Boden et al.
"Manual of Textile Assistants" by Chwala/Angeri, Verlag Chemie, Weinheim-New York 1977, pp. 343-344.
"Chemical Technology of Textiles", Springer Verlag, Berlin, Gottingen, Heidelberg, 1963, pp. 65-77.

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