Process for improving the colour yield and wetfastness propertie

Details Process for improving the colour yield and wetfastness propertie Process for improving the colour yield and wetfastness propertie

1985-11-04

1987-09-22

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Five-membered hetero ring having two or more ring hetero...

8576, 8612, 8680, 8918, D06P 164, D06P 360, C07D23360, D06B 114

Patent

active

046952896

ABSTRACT:
The invention relates to a process for improving the color yield and wetfastness properties of dyeings or prints produced on cellulosic materials with anionic dyes. The process comprises treating the cellulosic fabric before, during or after dyeing with a cationic fiber-reactive compound which is the reaction product of an imidazole compound containing in 2-position phenyl or an aliphatic radical of not less than 5 carbon atoms, and an epihalohydrin.

REFERENCES:
patent: 2043164 (1936-06-01), Granacher
patent: 3435049 (1969-03-01), Hoffer
patent: 4035145 (1977-07-01), Gipp et al.
patent: 4468228 (1984-08-01), Dvorsky et al.
patent: 4499282 (1985-02-01), Dvorsky et al.

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