Reactive dyebath additive:potassium silicate and potassium hydro

Details Reactive dyebath additive:potassium silicate and potassium hydro Reactive dyebath additive:potassium silicate and potassium hydro

1992-03-12

1993-09-07

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8632, 8918, D06M 1138, D06M 1179, D06P 1673, D06P 366

Patent

active

052424669

ABSTRACT:
A fabric is dyed with a reactive dye in the presence of an alkali donor, added to the dyebath. The alkali donor is a liquid composition comprising potassium silicate and potassium hydroxide. A composition suitable for use as such an alkali donor comprises, by weight of the total weight of the composition, 20-75% potassium silicate, 10-35% of solid potassium hydroxide, and up to 20% sequestrant, the balance comprising water.

REFERENCES:
patent: 2497519 (1950-02-01), Stevenson et al.
patent: 3843318 (1974-10-01), von der Eltz
patent: 4092101 (1978-05-01), Dillmann
patent: 4184842 (1980-09-01), von der Eltz
"The Dyeing of Cellulosic Fibres", (edited by C. Preston), Dyer's Company Publications Trust, 1986, p. 4.
"The Encyclopedia of Organic Chemistry", Kirk Othmer, Third Edition, Supplement vol., 1979, pp. 308-310.

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