METHOD FOR PRODUCING COPOLYESTER

The present invention relates to a method for producing copolyester. More specifically, the method for producing copolyester uses a particular heat-stabilizing agent to reduce the use of cobalt-based coloring agent while minimizing yellowing phenomenon. La présente invention concerne un procédé de p...

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Bibliographische Detailangaben
Hauptverfasser:	NAM, Ho Seong, YIM, Kyoung Won, KIM, Eung Gyu, YUN, Ju Mi
Format:	Patent
Sprache:	eng ; fre ; kor
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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
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Beschreibung
Zusammenfassung:	The present invention relates to a method for producing copolyester. More specifically, the method for producing copolyester uses a particular heat-stabilizing agent to reduce the use of cobalt-based coloring agent while minimizing yellowing phenomenon. La présente invention concerne un procédé de production de copolyester. Plus spécifiquement, le procédé de production de copolyester fait intervenir un agent de stabilisation thermique particulier pour réduire l'utilisation d'un agent colorant à base de cobalt tout en réduisant au minimum le phénomène de jaunissement. 본 발명은 코폴리에스테르의 제조방법에 관한 것이다. 보다 상세하게는, 특정한 열안정제를 이용하여 코발트계 정색제의 사용을 줄이면서도 황변 현상이 최소화된 코폴리에스테르의 제조방법에 관한 것이다.