Method for bleaching textile material

Details Method for bleaching textile material Method for bleaching textile material

1994-11-22

1996-08-27

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8102, 8107, 2521882, 25218821, 510494, 510303, 510302, 510367, 510370, 510470, D06L 310

Patent

active

055497152

ABSTRACT:
A method for bleaching textile material, including preparing an aqueous alkaline solution of a bleaching agent composed of formamidine sulfinic acid and at least one carbohydrate having a general total formula C.sub.n H.sub.2n O.sub.n, the formamidine sulfinic acid and the at least one carbohydrate having a weight ratio with respect to one another which ranges from 80:20 to 99:1; and bleaching textile material composed at least in part of cellulose materials by contacting the textile material with the bleaching agent at a temperature above 50.degree. C. therefor.

REFERENCES:
patent: 4240791 (1980-12-01), Sato et al.
patent: 5246001 (1993-12-01), Arifoglu
patent: 5366510 (1994-11-01), Wasinger
Derwent Acc. No. 80-24863C, 1980 (Month Unknown).
Derwent Acc. No. 86-268586, 1986 (Month Unknown).
Derwent Acc. No. 89-155166, 1989 (Month Unknown).
Federal Law Gazette No. 612 of Sep. 24, 1992, Limitation of Waste Water Emissions from Textile Finishing and Processing Plants.
Peter M. et al: "Grundlagen der Textilveredelung" [Basics of Textile Finishing], 13th ed., Deutscher Fachverlag, 1989, pp. 80 to 81.

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