META-TYPE ARAMID FIBER DYED WITH CATIONIC DYE

PURPOSE:To obtain the subject meta-type aramid fiber deeply dyed and excellent in color fastness by adding a benzenecarboxylic acid ester to a cationic dye- containing dye liquor and dyeing the fiber with the resultant dye bath. CONSTITUTION:A dye bath is prepared by adding a benzenecarboxylic acid...

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Bibliographic Details
Main Author YAMADA SETSUO
Format Patent
LanguageEnglish
Published 14.12.1993
Edition5
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:PURPOSE:To obtain the subject meta-type aramid fiber deeply dyed and excellent in color fastness by adding a benzenecarboxylic acid ester to a cationic dye- containing dye liquor and dyeing the fiber with the resultant dye bath. CONSTITUTION:A dye bath is prepared by adding a benzenecarboxylic acid ester to a cationic dye-containing dye liquor and a meta-type aramid fiber (polymetaphenylene isophthalamide-based fiber) is dyed (130 to 170 deg.C) by using the dye bath. Thereby, a deep dyed fiber especially excellent in colorfastness to light is obtained. As the benzenecarboxylic acid ester, dimethyl terephthalate, dimethyl phthalate, etc., are preferably used.
Bibliography:Application Number: JP19920135080