Process for the dyeing of synthetic fibrous material from organi

Details Process for the dyeing of synthetic fibrous material from organi Process for the dyeing of synthetic fibrous material from organi

1973-11-01

1976-01-06

Jacobs, Lewis T.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1C, 8 41R, 8 41A, 8 41B, 8 41C, 8 41D, 8174, D06P 138

Patent

active

039307913

ABSTRACT:
A process for the continuous dyeing of textile materials consisting of, or containing, synthetic fibrous materials of the group consisting of high molecular polyamides, polyolefins, polyacrylonitriles, polyurethanes, polyvinylchlorides, polyvinylacetates, cellulose-21/2-acetate, cellulose-triacetate and high molecular polyesters, which comprises impregnating the said fibrous materials with an organic dyebath containing at least one dyestuff of the formula ##SPC1##
In which R represents a linear or branched alkylcarbonyl radical of at most 20 carbon atoms or the naphthoyl group being unsubstituted or substituted on the naphthalene nucteus by lower alkyl, X represents an oxygen or sulfuratom, Y represents hydrogen, chlorine or bromine, A represents a linear or branched alkylene groups of 1 to 4 carbon atoms unsubstituted or substituted by methoxy, ethoxy, phenoxy or R being defined as above, and B represents (1) phenyl unsubstituted or substituted by fluorine chlorine, bromine, alkyl or 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, trifluoromethyl, cyano, carboalkoxy, nitro, acetyl, benzoyl, phenoxy or phenyl, or (2) naphthyl, and heating the impregnated and heated fibrous materials to a temperature between 100.degree. and 240.degree.C.

REFERENCES:
patent: 3792972 (1974-02-01), Brenneisen et al.
patent: 3792973 (1974-02-01), Brenneisen et al.

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