## Abstract This article covers the depolymerization of poly(ethylene terephthalate) (PET) under microwave irradiation in neutral water. The reaction was carried out in a sealed reaction vessel in which the pressure (or temperature) was controlled. The hydrolytic product contained terephthalic acid
Poly(ethylene terephthalate) glycolysis under microwave irradiation
✍ Scribed by Andrej Kržan
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 107 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1042-7147
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The experiments were carried out in excess ethylene glycol (EG) and poly(ethylene terephthalate) (PET) oligomer in the presence of zinc acetate as catalyst at 190°C. It was found that during the glycolysis reaction, the monomer and dimer were contained in the liquid phase. After 2 h of the glycolysi
To reclaim the monomers or prepare intermediates suitable for other polymers zinc acetate catalayzed glycolysis of waste poly(ethylene terephthalate) (PET) was carried out with ethylene or propylene glycol, with PET/glycol molar ratios of 1 : 0.5-1 : 3, in xylene at 170-245ЊC. During the multiphase