Use of cyclic esters of sulfurous acid in the dyeing of polyamid

Details Use of cyclic esters of sulfurous acid in the dyeing of polyamid Use of cyclic esters of sulfurous acid in the dyeing of polyamid

1988-02-04

1989-03-21

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Organic additive for dye composition, dye composition...

Sulfur-containing hetero ring

8576, 8589, 8917, 8924, 8610, 526917, 549 40, 558 59, C09B 6700, C07D32704

Patent

active

048139718

ABSTRACT:
Textile materials made of natural or synthetic polyamides or mixtures thereof are dyed in the presence of a cyclic ester of sulfurous acid with an aliphatic 1,2-diol in place of a customary pH regulant.

REFERENCES:
patent: 3565571 (1971-02-01), Reese et al.
patent: 3980428 (1976-09-01), Fabbri et al.
patent: 4252531 (1981-12-01), Daeuble et al.
patent: 4350494 (1982-09-01), Scheidegger et al.
patent: 4519805 (1985-05-01), Koci

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