ELECTROCONDUCTIVE POLYAMIDE COMPOSITE FIBERS AND FIBER STRUCTURE COMPRISING SAME

WIPO Patent Application WO/2023/127174

A1

Provided are electroconductive polyamide composite fibers having less reduction in strength compared to conductive fibers containing non-modified resins and having preferable electroconductivity and preferable staining properties with not only cationic dyes but also acid dyes.　Electroconductive polyamide composite fibers are characterized in that the composite fibers comprise a non-electroconductive layer formed with a terminal-modified polyamide resin represented by formula 1 and having a sulfonate salt-containing triazine derivative substituting some of hydrogen atoms in terminal amino groups of a polyamide resin and an electroconductive layer formed with a fiber-forming resin containing an electroconductive substance, and the content of the sulfonate salt-containing triazine derivative is 0.4 equivalents-1.5 equivalents inclusive relative to the amount of terminal amino group of the polyamide resin. (In the formula, PA represents polyamide; R1 represents a phenolic hydroxy group such as a phenoxy group, a cresoxy group, a xylenoxy group or a naphthoxy group, -NR2R3-SO3X or polyamide; R2 represents a hydrogen atom or a methyl group; R3 represents an aliphatic linear substituent such as an ethylene group or an n-propylene group, or an aromatic substituent such as a phenylene group or a methyl-phenylene group; and X represents a metal cation such as sodium, magnesium, manganese or lithium ion or an organic cation such as tert-butyl-ammonium, benzyltrimethylammonium or p-methylphenylammonium ion.)

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KAKUTANI KEITA (JP)
SAITO MASAHARU (JP)

PCT/JP2022/016964

July 06, 2023

March 31, 2022

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KB SEIREN LTD (JP)

D01F6/90; D01F1/09; D01F8/12

JPS52107350A	1977-09-08
JPS4950216A	1974-05-15
JP2002339235A	2002-11-27
JPS497575B1	1974-02-21
JPH07258920A	1995-10-09
JPS6452816A	1989-02-28
JPS4627075B1	1971-08-06
JPS5324418A	1978-03-07
JPH04202852A	1992-07-23
JP2018193648A	2018-12-06

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