POLYAMIDE MULTIFILAMENT FIBER AND TIRE CORD INCLUDING SAID FIBER

Provided are: a polyamide multifilament fiber comprising a polycondensate of a diamine and a dicarboxylic acid including an alicyclic dicarboxylic acid, and fulfilling conditions (a), (b), and (c); a cord including the fiber; a fabric comprising said cord; and a tire applying said fabric to the cap...

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Bibliographische Detailangaben
Hauptverfasser:	SATO, Yusuke, NAYUKI, Ryo
Format:	Patent
Sprache:	eng ; fre ; ger
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 CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS DEVICES OR ARRANGEMENTS RELATED TO TYRES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MECHANICAL FINISHING OF YARNS OR ROPES METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	Provided are: a polyamide multifilament fiber comprising a polycondensate of a diamine and a dicarboxylic acid including an alicyclic dicarboxylic acid, and fulfilling conditions (a), (b), and (c); a cord including the fiber; a fabric comprising said cord; and a tire applying said fabric to the cap ply thereof. (a): the ratio of alicyclic dicarboxylic acid to dicarboxylic acid being at least 50 mol%. (b): the total fineness of the polyamide multifilament fiber being at least 100 dtex. (c): the cross ratio (maximum diameter/minimum diameter) of the polyamide multifilament fiber being no more than 1.7). This polyamide multifilament fiber is high-Tg and high strength and has excellent spinning strength and fiber uniformity. The tire cord using same has excellent rubber adhesion properties and is capable of applying good dimensional stability to the tire at high temperatures.