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Studies on the formation of poly(ethylene terephthalate): 2. Rate of transesterification of dimethyl terephthalate with ethylene glycol

โœ Scribed by Kosuke Tomita; Hiroaki Ida

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
447 KB
Volume
14
Category
Article
ISSN
0032-3861

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Pellets of poly(ethylene terephthalate) (PET; 0.48-1.92 g) were heated in anhydrous ethylene glycol (EG; 5 mL) with 2-equivs of NaOH at 150ะŠC for 80 min or 180ะŠC for 15 min to convert them quantitatively to disodium terephthalate (Na 2 -TPA) and EG. The disodium salt was precipitated quantitatively