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Journal of Macromolecular Science, Part A
Pure and Applied Chemistry
Volume 44, 2007 - Issue 7
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Original Articles

PET Recycling by Diethylene Glycol‐Diethanol Amine Binary Mixture and Application of Product in Rigid Polyurethane Foam Formulation

Mir Mohammad Alavi Nikje Faculty of Science, Department of Chemistry, Imam Khomeini International University, Qazvin, IranCorrespondence[email protected]
,
Fatemeh Nazari Faculty of Science, Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
,
Hossein Imanieh Faculty of Science, Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
,
Amir Bagheri Garmarudi Faculty of Science, Department of Chemistry, Imam Khomeini International University, Qazvin, Iran
&
Moslem Haghshenas Department of Polymer and Chemistry Laboratories, ERI, Tehran, Iran
Pages 753-758 | Received 01 Dec 2006, Accepted 01 Jan 2007, Published online: 03 May 2007
 
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Polyethylene terephthalate (PET) wastes were depolymerized by diethylene glycol (DEG)‐diethanol amine (DEA) binary mixtures as a solvent system in various DEG:DEA ratios and sodium hydroxide as the trans‐esterification catalyst. The obtained product was vacuum filtered for separation and characterization of resulting phases by using spectroscopic and chromatographic techniques. Liquid phase of recyclate was an OH containing product and was used as a portion of polyol content, being compared with virgin polyol in rigid polyurethane foam formulation.

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