Process for dyeing wet-spun aromatic polyamides in gel form

Details Process for dyeing wet-spun aromatic polyamides in gel form Process for dyeing wet-spun aromatic polyamides in gel form

1975-08-07

1978-08-22

Schofex, Joseph L.

Plastic and nonmetallic article shaping or treating: processes

With incorporating dye susceptible material or dyeing workpiece

8 39B, 8 41B, 8 42B, 8 85B, 8 86, 8162S, 8168B, 8171, 8172R, 8172A, 8178A, D06P 500, B01D 4706

Patent

active

041089367

ABSTRACT:
The invention relates to a process for the production of dyed filaments from aromatic polyamides which are not modified with acid or basic groups.

REFERENCES:
patent: 2558733 (1951-07-01), Cresswell et al.
patent: 3111357 (1963-11-01), Wirth
patent: 3233019 (1966-02-01), Adams
patent: 3434189 (1969-03-01), Buck et al.
patent: 3483576 (1969-12-01), Nakagawa et al.
patent: 3506990 (1970-04-01), Richardson et al.
patent: 3543359 (1970-12-01), Whitaker
patent: 3602966 (1971-09-01), Fleissner
patent: 3888821 (1975-06-01), Milford

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