Process for the dyeing of polyacrylonitrile fibrous material

Details Process for the dyeing of polyacrylonitrile fibrous material Process for the dyeing of polyacrylonitrile fibrous material

1976-12-15

1978-05-23

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

8 14XB, 8 41A, 8 84, 8 88, 8168AA, 8172R, 8177AB, 2605676M, 2605676P, D06P 504, C07C 8500

Patent

active

040908453

ABSTRACT:
Water-soluble quaternary ammonium compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each alkyl groups of C.sub.1-15 chain length wherein the sum of the carbon atoms in said groups is 9 to 18; R.sub.3 represents a C.sub.1-5 alkyl or hydroxyalkyl group; R.sub.4 represents a C.sub.1-5 alkyl, hydroxyalkyl or benzyl group; R.sub.5 represents a benzyl group; and X represents a salt-forming anion, are effective retardant-levelling agents in the dyeing of anionic polyacrylonitrile fibers with basic (i.e. cationic) dyes.

REFERENCES:
patent: 2953526 (1960-09-01), Bergman et al.
patent: 3755435 (1973-08-01), Sundby et al.
patent: 3869250 (1975-03-01), Wegmuller et al.
patent: 3872116 (1975-03-01), Gipson
patent: 3945794 (1976-03-01), Rokohl et al.
Peters, R. H., "Textile Chemistry" vol. III, (Elsevier), 1975, pp. 874-878.

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