Process for aftertreating cellulosic material dyed with dyes con

Details Process for aftertreating cellulosic material dyed with dyes con Process for aftertreating cellulosic material dyed with dyes con

1986-10-09

1989-05-02

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8529, 8531, 8532, 8549, 8618, 8676, 8680, 8918, D06P 360, D06P 502

Patent

active

048265039

ABSTRACT:
The invention relates to a process for aftertreating cellulosic material which has been dyed with reactive or direct dyes and subsequently treated in an acid bath. The aftertreatment with a solution of an alkali metal salt or alkaline earth metal salt enhances the wetfastness properties and the tear resistance of the cellulosic material.

REFERENCES:
patent: 3122417 (1964-02-01), Blaser et al.
patent: 3738800 (1973-06-01), Mudrak et al.
patent: 4515596 (1985-05-01), Berendt et al.
patent: 4645510 (1987-02-01), Hasler et al.
patent: 4648883 (1987-03-01), Podder

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