Bleaching and dyeing; fluid treatment and chemical modification – Process of printing permanently on substrate – other than... – Vat dye or sulfur dye – e.g. – quinonic or indigoid reducible...
Patent
1979-02-15
1980-12-23
Schafer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Process of printing permanently on substrate, other than...
Vat dye or sulfur dye, e.g., quinonic or indigoid reducible...
8652, 252188, D06P 122, D06P 130, C09K 300
Patent
active
042407915
ABSTRACT:
According to this invention, there is provided a method of dyeing fibrous products characterized in that, in the dyeing of fibrous products using an oxidation-reduction dyeing type dye and an aqueous alkali solution of thiourea dioxide as a reducing solution, the reduction of the dye with the said aqueous alkali solution of thiourea dioxide is carried out in the presence of one or more dialdehyde compounds selected from dialdehyde compounds represented by the general formula
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patent: 2882280 (1959-04-01), Gruenebaum et al.
patent: 3248337 (1966-04-01), Zirker et al.
patent: 3632293 (1972-01-01), Krug
Peters, R. H., Textile Chemistry, vol. III, Elsevier Scientific Publishing Co., N.Y., 1975, pp. 493-494.
Chem. Abstracts, 74:127320n (1971); 60:12162d (1964); 68:88158v (1968); 64:16047bc (1966).
Kanaya Yasuhiro
Kawabe Yasumasa
Kushibe Kazuyoshi
Nishii Masaru
Sato Kanji
Schafer Joseph L.
Tokai Denka Kogyo Kabushiki Kaisha
Tungol Maria S.
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