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Abstract
Recycled PET (from soft drink bottle) reacted with diethylene glycol (DEG) to produce oligomers with various molecular weights depending on the DEG/PET ratios. The structure of the oligomers was characterized by LC-MS, and the molecular weight was also identified by titration method. The obtained oligomer from DEG/PET:1/1 is a mixture of trimers, pentamers or heptamers with EG/DEG end groups. The reaction time decreases as the catalyst concentration increases. The oligomer could be further modified to be used as polyester polyol for the valuable polyurethane industry/unsaturated polyester.
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Article Details
Issue: Vol 11 No 6 (2008)
Page No.: 92-99
Published: Jun 30, 2008
Section: Natural Sciences - Research article
DOI: https://doi.org/10.32508/stdj.v11i6.2655
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Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
How to Cite
Thi Hai, V., & Ngoc Cuong, H. (2008). GLYCOLIZATION OF POLYETHYLENE TEREPHTALATE (PET) FROM WASTE BOTTLE BY DIETHYLENE GLYCOL (DEG). Science and Technology Development Journal, 11(6), 92-99. https://doi.org/https://doi.org/10.32508/stdj.v11i6.2655
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