Composition for dyeing material of synthetic aromatic polyamide fibers: cationic dye and n-alkyl phthalimide
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United States of America Patent
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Oct 25, 1988
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N/A
app pub date -
Apr 15, 1987
filing date -
Apr 15, 1987
priority date (Note) -
Expired
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Abstract
A composition for dyeing material of synthetic aromatic polyamide fibers, including a cationic dye and a dye assistant, which is a mixture of N-substituted phthalimide and an emulsifier. The N-substituted phthalimide is preferably a 2:1 mole ratio of N-butyl phthalimide and isopropyl phthalimide. The emulsifier is preferably propylene oxide and ethylene oxide block polymer, and an anionic surfactant blend and an anionic/cationic surfactant blend.
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