SEMI-AROMATIC POLYAMIDE FIBER

The present invention provides a semi-aromatic polyamide fiber having acid resistance and further having excellent long-term heat resistance and good spinning properties. The semi-aromatic polyamide fiber contains a semi-aromatic polyamide resin having a melting point of 280° C. or less and satisfie...

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Bibliographische Detailangaben
Hauptverfasser:	UEHATA, Akihiro, OKAMOTO, Tetsuya, TOMOSUGI, Tetsuya
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention provides a semi-aromatic polyamide fiber having acid resistance and further having excellent long-term heat resistance and good spinning properties. The semi-aromatic polyamide fiber contains a semi-aromatic polyamide resin having a melting point of 280° C. or less and satisfies all of the following conditions (1) to (3): (1) in the semi-aromatic polyamide, a dicarboxylic acid component is an aromatic dicarboxylic acid, and 40 mol % to 80 mol % of a diamine component is 2-methyl-1,8-octanediamine; (2) the semi-aromatic polyamide comprises 50 ppm to 500 ppm of a copper compound in terms of copper; and (3) the semi-aromatic polyamide fiber has a peak temperature of a glass transition point from 120° C. to 140° C.