Method for continuous bleaching of cloth

Details Method for continuous bleaching of cloth Method for continuous bleaching of cloth

1984-03-12

1985-05-14

Coe, Philip R.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Combined liquid and gas or vapor

68 5E, D06B 312

Patent

active

045162832

ABSTRACT:
A method for continuous bleaching of a cloth in a high pressure steamer with use of hydrogen peroxide, comprising soaking a cloth to be bleached with a neutral or slightly alkaline hydrogen peroxide solution outside the high pressure steamer body, squeezing the cloth, introducing the resultant cloth continuously in the steamer body maintained with wet-heat at a temperature above 100.degree. C., and wet-heat treating the cloth therein while maintaining the total water content of the cloth to not less than 170% by applying hot water repeatedly to the cloth by using liquid apply means provided in the steamer body. A cotton cloth can uniformly and eminently be bleached in a short time continuously.

REFERENCES:
patent: 2839353 (1958-06-01), Coleman
patent: 3370911 (1968-02-01), Westall
patent: 3481684 (1969-12-01), Sando et al.
patent: 3695826 (1972-10-01), Meier-Windhorst
patent: 4379353 (1983-04-01), Holderer et al.

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