Bisazomethine dyes for metal-modified polyolefins

Details Bisazomethine dyes for metal-modified polyolefins Bisazomethine dyes for metal-modified polyolefins

1975-09-02

1977-03-15

Warren, Charles F.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

260146R, 260156, 260194, 260195, 260196, 260197, 260198, 260199, 260202, 260204, 260205, 260206, 260207, 2602071, 260240G, 8 31, C09B 3114, C09B 4548

Patent

active

040121933

ABSTRACT:
Bisazomethine dyes of the general formula: ##STR1## in which A and D are optionally substituted benzene or naphthalene nuclei, E is an optionally substituted salicylaldehyde or o-hydroxynaphthaldehyde nucleus and G is an optionally substituted 2-aminopyridine nucleus. Metal-modified polypropylene dyed with the bisazomethine dye has excellent fastness properties.

REFERENCES:
patent: 3391132 (1968-07-01), Beffa et al.
patent: 3617179 (1971-11-01), Lewis

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