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Egyptian Journal of Chemistry
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(2014). Ionic liquids as Efficient Catalysts for The Glycolysis of Polyethylene Terephthalate. Egyptian Journal of Chemistry, 57(4), 267-280. doi: 10.21608/ejchem.2014.1045
. "Ionic liquids as Efficient Catalysts for The Glycolysis of Polyethylene Terephthalate". Egyptian Journal of Chemistry, 57, 4, 2014, 267-280. doi: 10.21608/ejchem.2014.1045
(2014). 'Ionic liquids as Efficient Catalysts for The Glycolysis of Polyethylene Terephthalate', Egyptian Journal of Chemistry, 57(4), pp. 267-280. doi: 10.21608/ejchem.2014.1045
Ionic liquids as Efficient Catalysts for The Glycolysis of Polyethylene Terephthalate. Egyptian Journal of Chemistry, 2014; 57(4): 267-280. doi: 10.21608/ejchem.2014.1045

Ionic liquids as Efficient Catalysts for The Glycolysis of Polyethylene Terephthalate

Article 2, Volume 57, Issue 4, August 2014, Page 267-280  XML PDF (805.15 K)
DOI: 10.21608/ejchem.2014.1045
Receive Date: 26 August 2014,  Revise Date: 13 September 2014,  Accept Date: 14 September 2014 
Abstract
THE GLYCOLYSIS of polyethylene terephthalate (PET) was …… studied using several ionic liquids as catalysts. The Lewis base ionic liquid, 1-butyl-3-methylimidazolium acetate [Bmim][OAc], exhibits higher catalytic activity for the glycolysis of PET, compared with 1-butyl-3 methylimidazolium chloride ([Bmim]Cl) and 1-butyl-3-methylimidazolium bromide ([Bmim]Br). The results revealed that the [Bmim][OAc] has a PET conversion of 75.1% and bis (2-hydroxyethyl) terephthalate (BHET) yield of 46.4% under the conditions of 1.0 g of [Bmim] [OAc] with 20 g of ethylene glycol in the presence of 2.0 g of PET at 180ºC after 2 hr of glycolysis. The main glycolysis product (BHET) was analyzed using XRD, NMR, EI-MS, FTIR, TGA and DSC.
Keywords
Catalysis; Ionic liquid; Glycolysis; Polyethylene terephthalate and Recycling
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