RECYCLED BIS(4-HYDROXYBUTYL)TEREPHTHALATE, METHOD FOR PREPARING SAME, AND POLYESTER RESIN USING SAME

A recycled bis(4-hydroxybutyl)terephthalate according to an embodiment has a low residual amount of ethylene glycol derivatives, and thus, can be used as a polymerization raw material for high-crystallinity engineering polyester products or biodegradable polyester, and provides excellent quality of,...

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Bibliographische Detailangaben
Hauptverfasser:	YOO, Young-Man, HWANG, Eun-Yeong
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS 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 CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A recycled bis(4-hydroxybutyl)terephthalate according to an embodiment has a low residual amount of ethylene glycol derivatives, and thus, can be used as a polymerization raw material for high-crystallinity engineering polyester products or biodegradable polyester, and provides excellent quality of, for example, color. Un téréphtalate de bis(4-hydroxybutyle) recyclé selon un mode de réalisation a une faible quantité résiduelle de dérivés d'éthylène glycol, et peut ainsi être utilisé en tant que matière première de polymérisation pour des produits de polyester d'ingénierie de cristallinité élevée ou un polyester biodégradable, et fournit une excellente qualité, par exemple, de couleur. 일 구현예에 따른 재생 비스(4-히드록시부틸)테레프탈레이트는 에틸렌글리콜 유도체의 잔류량이 낮기 때문에 결정성이 높은 엔지니어링 폴리에스테르 제품 또는 생분해 폴리에스테르의 중합 원료로 사용될 수 있고 색상 등의 품질이 우수하다.