Water soluble monoazo dyes for polyamide material

Details Water soluble monoazo dyes for polyamide material Water soluble monoazo dyes for polyamide material

1975-09-26

1978-07-18

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260207, C09B 2908, C09B 2926

Patent

active

041015444

ABSTRACT:
A series of water soluble azo dyes for dyeing polyamide fiber material are provided by coupling an appropriate diazotized aminobenzene into an appropriately substituted N-alkyl-N-benzoxyethylarylamine. The dyes are characterized by the presence of one sulfonic acid group, either as the free acid or in salt form, and by the presence of a benzoate ester group. When dyed from an appropriate dye bath, these dyes produce dyeings on polyamide fiber material characterized by outstanding lightfastness and excellent transfer properties.

REFERENCES:
patent: 2045324 (1936-06-01), Felix et al.
patent: 2323314 (1943-07-01), Dickey et al.
patent: 3657220 (1972-04-01), Kilmurray
patent: 3676050 (1972-07-01), James
patent: 3775049 (1973-11-01), Wolfrum et al.
patent: 3884901 (1975-05-01), Renfrew et al.

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