Method for processing textile material

Details Method for processing textile material Method for processing textile material

1975-07-29

1978-06-06

Schulz, William E.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

252 86, 252100, B08B 300

Patent

active

040934179

ABSTRACT:
A method for washing textile material including first prewashing the textile material in an acid wash solution having a pH below 6.5 whereby incrustations remaining on the textile material formed in a previous main wash cycle are dissolved in the prewash cycle and then washing the material in a main wash cycle with a phosphate-free alkaline liquor whereby incrustations form on the textile material for removal during a second prewash cycle. The prewashing may be accomplished for 1-3 minutes at a temperature of 40.degree. C. while the main washing may be accomplished for the usual time at boiling temperature.

REFERENCES:
patent: 3650672 (1972-03-01), Swayn
patent: 3915633 (1975-10-01), Ramachandran
patent: 3950277 (1976-04-01), Stewart et al.
patent: 3969282 (1976-07-01), Kappler et al.
Rose, The Cond. Chem. Dict. 7th Ed., 1966, Reinhold Publ. Co., p. 857.
Matthews, J. M., Matthews' Textile Fibers, John Wiley & Sons, N.Y., 1924, pp. 272-273.
Trotman, S. R. et al., The Bleaching, Dyeing and Chemical Technology of Textiles Fibers, Charles Griffin & Co. Ltd., London, 1946, pp. 300-303.

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