METHOD OF DYEING AROMATIC POLYAMIDE FIBERS WITH WATER-SOLUBLE DYES

Poly(p-phenylene terephthalamide) (PPD-T) fibers which have been dried are dyed with cationic dyes, or with disperse or acid dyes, by heating the fibers under a high pressure from 29 to 108 psi and at a temperature from 130 DEG to 180 DEG C.

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Bibliographic Details
Main Author GHORASHI, HAMID, MOAYED
Format Patent
LanguageEnglish
French
German
Published 27.12.1996
Edition6
Subjects
DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Summary:Poly(p-phenylene terephthalamide) (PPD-T) fibers which have been dried are dyed with cationic dyes, or with disperse or acid dyes, by heating the fibers under a high pressure from 29 to 108 psi and at a temperature from 130 DEG to 180 DEG C.
Bibliography:Application Number: EP19930911323