Desizing and bleaching of textile goods

Details Desizing and bleaching of textile goods Desizing and bleaching of textile goods

1978-08-03

1980-04-01

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Degumming or desizing

252 99, 252105, 252175, D01C 302, D06L 106

Patent

active

041959744

ABSTRACT:
A process for desizing and bleaching textile goods containing, or consisting of, cellulose, by simultaneous enzymatic desizing and pretreatment with a solution of sodium dithionite and a conventional heavy metal complexing agent in the presence of a buffer system at pH 6-9 and subsequent conventional peroxide bleaching in the presence of little or no silicate as a stabilizer. The process improves the bleaching effect and the economics and reduces the risk of fiber damage or destruction or of silicate deposits without an additional treatment stage.

REFERENCES:
patent: 4082683 (1978-04-01), Galesloot
Casserly, J. J., American Dyestuff Reporter, Jul. 3, 1967, pp. 23-24.

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