SEMIAROMATIC POLYAMIDE FIBER, SEMIAROMATIC POLYAMIDE NONWOVEN FABRIC AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide a semiaromatic polyamide fiber and semiaromatic polyamide nonwoven fabric superior in heat resistance and mechanical strength, which are formed of semiaromatic polyamide having high heat resistance and superior crystallinity, and to provide a method for producing the...

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Hauptverfasser:	CHIZUKA TAKESHI, DOMON TAKENORI, INAGAKI KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS BRAIDING CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a semiaromatic polyamide fiber and semiaromatic polyamide nonwoven fabric superior in heat resistance and mechanical strength, which are formed of semiaromatic polyamide having high heat resistance and superior crystallinity, and to provide a method for producing the same.SOLUTION: The semiaromatic polyamide fiber and the semiaromatic polyamide nonwoven fabric are formed of the semiaromatic polyamide that contains a terephthalic acid component and a diamine component. The diamine component is any one of 1,8-octanediamine, 1,10-decanediamine or 1,12-dodecanediamine, and a triamine unit with respect to a diamine unit in polyamide is 0.3 mol% or less.