POLYESTER RESIN COMPOSITION, POLYESTER FILM, AND FLEXIBLE FLAT CABLE

A polyester resin composition according to an embodiment comprises: a polyester resin; an application agent; and an antioxidant, in which a diol residue includes a cyclohexanedimethanol residue, a dicarboxylic acid residue includes a terephthalic acid residue, and the weight ratio of the application...

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Bibliographische Detailangaben
Hauptverfasser:	LIM, Byeongjae, YEON, Jewon, HEO, Youngmin
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A polyester resin composition according to an embodiment comprises: a polyester resin; an application agent; and an antioxidant, in which a diol residue includes a cyclohexanedimethanol residue, a dicarboxylic acid residue includes a terephthalic acid residue, and the weight ratio of the application agent and the antioxidant is 1:0.01 to 20. A polyester film according to an embodiment has a b* value of 5 or less in a CIELAB color space after being left at 150℃ for 2 weeks. The polyester resin composition, polyester film, etc., according to the embodiment have excellent properties such as heat resistance, durability, and optical properties, and are used to manufacture a flexible flat cable that requires durability due to repeated exposure to heat, thereby providing a flexible flat cable with superior properties. Un mode de réalisation de la présente invention concerne une composition de résine de polyester, qui comprend : une résine de polyester ; un agent d'application ; et un antioxydant, un résidu de diol comprenant un résidu de cyclohexanediméthanol, un résidu d'acide dicarboxylique comprenant un résidu d'acide téréphtalique, et le rapport en poids de l'agent d'application et de l'antioxydant étant de 1/0,01 à 20. Un film de polyester selon un mode de réalisation a une valeur b * inférieure ou égale à 5 dans un espace colorimétrique CIELAB après avoir été laissé à 150 °C pendant 2 semaines. La composition de résine de polyester, le film de polyester, etc., selon le mode de réalisation, ont d'excellentes propriétés telles que la résistance à la chaleur, la durabilité et les propriétés optiques, et sont utilisés pour fabriquer un câble plat flexible qui nécessite une durabilité en raison d'une exposition répétée à la chaleur, permettant ainsi d'obtenir un câble plat flexible ayant des propriétés supérieures. 구현예에 따른 폴리에스테르 수지 조성물은 폴리에스테르 수지, 인가제 및 산화방지제를 포함하고, 상기 디올 잔기는 사이클로헥산디메탄올 잔기를 포함하고, 상기 디카르복실산 잔기는 테레프탈산 잔기를 포함하고, 상기 인가제 및 산화방지제의 중량비는 1: 0.01 내지 20이다. 구현예에 따른 폴리에스테르 필름은 150 ℃에서 2주 동안 방치된 후 CIELAB 색 공간에서의 b* 값이 5 이하이다. 구현예에 따른 폴리에스테르 수지 조성물, 폴리에스테르 필름 등은 내열성, 내구성, 광학특성 등의 특성이 우수하며, 반복된 열에 노출되어 내구성 등이 요구되는 플렉서블 플랫 케이블 등의 제조에 활용되어 보다 우수한 특성을 갖는 플렉서블 플랫 케이블 등을 제공할 수 있다.