Studies on the formation of poly(ethylene terephthalate): 9. Thermal decomposition of ethylene dibenzoate as a model compound of poly(ethylene terephthalate)
β Scribed by Kosuke Tomita
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 209 KB
- Volume
- 18
- 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 150ΠC for 80 min or 180ΠC for 15 min to convert them quantitatively to disodium terephthalate (Na 2 -TPA) and EG. The disodium salt was precipitated quantitatively
The temperature influence on the thermal degradation products evolved from poly(ethylene terephthalate) (PET) was investigated. The experiments were carried out within the temperature range of 200-700ΠC in air. The main volatile toxic products and weight losses during thermal degradation of PET were