Dyeing process and auxiliary

Details Dyeing process and auxiliary Dyeing process and auxiliary

1994-11-17

1996-09-10

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

8557, 8578, 8584, 8587, 8594, 8602, 8610, 8630, 8918, 8589, C07C30942, D06P 156, D06P 366

Patent

active

055541992

ABSTRACT:
Dyeing of cellulosic substrates with reactive dyes in the presence of at least 20 g/l of sodium chloride, employing auxiliaries (E) of levelling activity, which are methylene-bridge-containing and sulpho-group-containing aromatic compounds, obtainable by condensation of defined sulphonation products with formaldehyde resp. formaldehyde-yielding compounds and optionally salt formation; (E)-contaning compositions that further contain at least one hydrotrope (H) and/or at least one sequestering agent (Q); and novel condensation products.

REFERENCES:
patent: 4150944 (1979-04-01), Wurmli
patent: 4202838 (1980-05-01), Lauton et al.
patent: 4247293 (1981-01-01), Wurmli
patent: 4384868 (1983-05-01), Sunami et al.
patent: 5186846 (1993-02-01), Brueckmann et al.
patent: 5207802 (1993-05-01), Baumann
patent: 5240465 (1993-08-01), Palacin
Search Report--Gt Bt for GB 9423017.4, report dated 7 Feb. 1995.

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