POLYESTER RESIN PELLET POLYESTER FILM AND PREPERATION METHOD THEREOF

An embodiment relates to a polyester resin pellet, a polyester film, and a preparation method thereof. The polyester resin pellet comprises: a phenolic first antioxidant; a second antioxidant represented by chemical formula 1; and a third antioxidant represented by chemical formula 2 to have excelle...

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Bibliographische Detailangaben
Hauptverfasser:	YEON JE WON, NOH IL HO, HEO YOUNG MIN, LIM BYEONG JAE
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	An embodiment relates to a polyester resin pellet, a polyester film, and a preparation method thereof. The polyester resin pellet comprises: a phenolic first antioxidant; a second antioxidant represented by chemical formula 1; and a third antioxidant represented by chemical formula 2 to have excellent intrinsic viscosity and color properties. In addition, even when prepared using waste polyester, the polyester resin pellet has excellent quality without deterioration in color properties and thus can solve environmental problems and also has excellent recyclability. 구현예는 폴리에스테르 수지 펠릿, 폴리에스테르 필름, 및 이의 제조 방법에 관한 것으로서, 상기 폴리에스테르 수지 펠릿은 페놀계 제 1 산화방지제, 화학식 1로 표시되는 제 2 산화방지제 및 화학식 2로 표시되는 제 3 산화방지제를 포함함으로써, 고유점도 및 색상 특성이 우수하며, 폐폴리에스테르를 이용하여 제조되는 경우에도 색상 특성이 저하되지 않아 품질이 우수하므로 환경 문제를 해결할 수 있으면서 재활용성 또한 뛰어나다.