Resin composition for manufacturing thermoplastic polyester resin by using green catalyst

Provided is a composition for manufacturing a polyester resin having a molar ratio of a diol compound to a dicarboxylic acid compound ranging from 1.05 to 1.4, in which the composition includes 5 ppm to 50 ppm of a phosphorous (P) compound (based on an amount of P), 10 ppm to 40 ppm of a cobalt (Co)...

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Bibliographische Detailangaben
Hauptverfasser: HAN KIJEONG, KOOK YUNBAE, PARK SANGHYUN, LEE SOOMIN, HONG SUNGMIN, JUNG JOONGEUN, KIM JEONGSUN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Provided is a composition for manufacturing a polyester resin having a molar ratio of a diol compound to a dicarboxylic acid compound ranging from 1.05 to 1.4, in which the composition includes 5 ppm to 50 ppm of a phosphorous (P) compound (based on an amount of P), 10 ppm to 40 ppm of a cobalt (Co) compound (based on an amount of Co), 0.2 ppm to 20 ppm of a color enhancer, and 5 ppm to 25 ppm/3 ppm to 30 ppm of a titanium (Ti)-germanium (Ge) composite catalyst compound (based on an amount of Ti/Ge), based on weight percentage.