Process of dyeing articles made from polyesteramines

Details Process of dyeing articles made from polyesteramines Process of dyeing articles made from polyesteramines

1975-01-17

1977-05-24

Schofer, Joseph L.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 17, 81155, 8168AC, 260 75N, D06P 500, C08G 6320

Patent

active

040253007

ABSTRACT:
Articles made from polyesteramines such as filaments, fibers and molded products are dyed by treating the article with an alkylating agent in the form of a solution or emulsion in an amount of at least 1.5% by weight based on the weight of the article and at a temperature higher than room temperature for at least 15 minutes. The article is then dyed with a conventional anionic dye and preferably these two steps are carried out simultaneously.

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patent: 3424820 (1969-01-01), Magat et al.
patent: 3432250 (1969-03-01), Miller et al.
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patent: 3744968 (1973-07-01), Fuest
patent: 3823117 (1974-07-01), Freudenberger
patent: 3834867 (1974-09-01), Matter et al.
patent: 3835099 (1974-09-01), Munakata et al.
patent: 3867479 (1975-02-01), Spanninger
patent: 3886230 (1975-05-01), Marcus
patent: 3980620 (1976-09-01), Vaginay

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