Kinetics of Polycarbonate Glycolysis in Ethylene Glycol
Publication type: Journal Article
Publication date: 2008-12-09
scimago Q1
wos Q2
SJR: 0.828
CiteScore: 6.7
Impact factor: 3.9
ISSN: 08885885, 15205045
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Abstract
Depolymerization of polycarbonate waste by glycolysis using ethylene glycol without catalyst was explored in order to get the monomer bisphenol A (BPA). The depolymerized products were identified by GC/MS and FTIR spectroscopy. The effects of operation variables such as reaction time, reaction temperature, ethylene glycol/polycarbonate (EG/PC) weight ratio, and the kinetics of glycolysis were studied. A maximum yield of BPA of 95.6% was achieved at a reaction temperature of 220 °C for 85 min with an EG/PC weight ratio 4. It was found that the depolymerization reaction has two different activation energies, indicating that the reaction occurs in series. A new model was proposed to explain the depolymerization reaction which consists of a series of reactions: random scission from high molecular weight PC to its solid oligomer, dissolution from the solid oligomer to liquid oligomer, and homogeneous degradation from the liquid oligomer to its monomer, BPA. The activation energies were found to be 98.9 kJ/mol ...
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63
Total citations:
63
Citations from 2024:
13
(20.97%)
Cite this
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MLA
Cite this
GOST
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Kim D. et al. Kinetics of Polycarbonate Glycolysis in Ethylene Glycol // Industrial & Engineering Chemistry Research. 2008. Vol. 48. No. 2. pp. 685-691.
GOST all authors (up to 50)
Copy
Kim D., Kim B. K., Cho Y., Han M., Kim B. Kinetics of Polycarbonate Glycolysis in Ethylene Glycol // Industrial & Engineering Chemistry Research. 2008. Vol. 48. No. 2. pp. 685-691.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/ie8010947
UR - https://doi.org/10.1021/ie8010947
TI - Kinetics of Polycarbonate Glycolysis in Ethylene Glycol
T2 - Industrial & Engineering Chemistry Research
AU - Kim, Dongpil
AU - Kim, Bo Kyung
AU - Cho, Youngmin
AU - Han, Myungwan
AU - Kim, Beom-Sik
PY - 2008
DA - 2008/12/09
PB - American Chemical Society (ACS)
SP - 685-691
IS - 2
VL - 48
SN - 0888-5885
SN - 1520-5045
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2008_Kim,
author = {Dongpil Kim and Bo Kyung Kim and Youngmin Cho and Myungwan Han and Beom-Sik Kim},
title = {Kinetics of Polycarbonate Glycolysis in Ethylene Glycol},
journal = {Industrial & Engineering Chemistry Research},
year = {2008},
volume = {48},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/ie8010947},
number = {2},
pages = {685--691},
doi = {10.1021/ie8010947}
}
Cite this
MLA
Copy
Kim, Dongpil, et al. “Kinetics of Polycarbonate Glycolysis in Ethylene Glycol.” Industrial & Engineering Chemistry Research, vol. 48, no. 2, Dec. 2008, pp. 685-691. https://doi.org/10.1021/ie8010947.