Liquid ammonia dyeing process

Details Liquid ammonia dyeing process Liquid ammonia dyeing process

1975-05-29

1977-03-08

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8174, 8 85B, 8 82, D06P 314, D06P 1673

Patent

active

040110435

ABSTRACT:
This invention relates to a process of dyeing natural or synthetic polyamidic textile materials, textile materials composed of polyacrylic polymers, textile materials composed of polyester and textile materials composed of chlorinated hydrocarbons, in which the material is subjected to the action of the liquid ammonia, then the dyeing operation is carried out by any process on the ammonia-impregnated material.

REFERENCES:
patent: 1998551 (1935-04-01), Mahan
patent: 3666398 (1972-05-01), Tratynek
patent: 3885587 (1975-05-01), Troope
patent: 3892521 (1975-07-01), Dalle

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