N-Acyloyl-N-alkyl-alkylenediamines as dye levelers

Details N-Acyloyl-N-alkyl-alkylenediamines as dye levelers N-Acyloyl-N-alkyl-alkylenediamines as dye levelers

1975-04-17

1976-12-28

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8172R, D06P 1645

Patent

active

039999424

ABSTRACT:
N-Acyloyl-N'-alkyl-alkylenediamines of the formula ##STR1## are prepared by reacting N-alkyl alkylenediamines with a derivative of a di-carboxylic acid. The compounds and their salts are useful as levelling auxiliaries for the dyeing of polyacrylonitrile or polyester with basic dyestuffs. Advantageously, the compounds are employed in conjunction with a non-ionic dispersing agent, for example a polyethoxylated fatty alcohol, and a solvent to give an electrolyte-insensitive dye bath.

REFERENCES:
patent: 2526948 (1950-10-01), Himel
patent: 2713583 (1955-07-01), Smith
patent: 3078138 (1963-02-01), Miller et al.
patent: 3096139 (1963-07-01), Hendle
patent: 3556715 (1971-01-01), Schmitt
patent: 3574513 (1971-04-01), Wolf

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