Easily dyeable meta-linkage-containing aromatic polyamide fibers
AssigneeTeijin Limited
InventorsAkihiro Ohba, Koki Sasaki
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Abstract
Easily dyeable meta-linkage-containing aromatic polyamide fibers consisting of a composition which comprises a meta-linkage-containing aromatic polyamide incorporating a quaternary onium salt of an alkylbenzenesulfonic acid. They are easily dyeable with cationic dyes, and thus may be used in the fields of bedding, clothing and interior decoration.
Claims15
Easily dyeable meta-linkage-containing aromatic polyamide fibers consisting of a composition which comprises a meta-linkage-containing aromatic polyamide incorporating a quaternary onium salt of an alkylbenzenesulfonic acid, wherein at least 85 mole percent of the repeating units of the meta-linkage-containing aromatic polyamide are a poly-m-phenylene isophthalamide consisting of repeating units represented by the following chemical formula:
- ##STR2## and wherein the content of the quaternary onium salt of an alkylbenzenesulfonic acid is between 2.8 and 7.0 mole percent with respect to the repeating units of the meta-linkage-containing aromatic polyamide.
Dependencies are inferred from the claim text.