Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process
2
Polymer Applications Development Laboratory, Idemitsu Petrochemical Co., Ltd., Ichihara, Chiba 299‐0193, Japan
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Publication type: Journal Article
Publication date: 1999-07-01
SJR: —
CiteScore: —
Impact factor: —
ISSN: 0887624X, 10990518
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
A novel nonphosgene process for producing bisphenol-A polycarbonate (PC) was developed through a transesterification between bisphenol-A (BPA) and dimethyl carbonate (DMC) and a melt-polycondensation of the resulting bisphenol-A bismethylcarbonate (1). The transesterification was carried out by heating bisphenol A in dimethylcarbonate in the presence of Lewis acid catalysts, removing the by-producing methanol using molecular shieves 4A. Among various catalysts, a combination of (Bu2SnCl)2O and dimethylaminopyridine gave the best results to produce 1 in 22% yield for 48 h. Using a larger amount of the molecular sieves further improved the yield to 80% in 120 h. The resulting 1 was heated under reduced pressure in the presence of titanium catalysts to produce PC in good yields. The resulting PC had high weight average molecular weight (Mw) of 75,000. © 1999 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 37: 2087–2093, 1999
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Metrics
55
Total citations:
55
Citations from 2024:
4
(7%)
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MLA
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GOST
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Haba O. et al. Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process // Journal of Polymer Science, Part A: Polymer Chemistry. 1999. Vol. 37. No. 13. pp. 2087-2093.
GOST all authors (up to 50)
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Haba O., Itakura I., UEDA M., Kuze S. Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process // Journal of Polymer Science, Part A: Polymer Chemistry. 1999. Vol. 37. No. 13. pp. 2087-2093.
Cite this
RIS
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TY - JOUR
DO - 10.1002/(sici)1099-0518(19990701)37:13<2087::aid-pola23>3.0.co;2-5
UR - https://doi.org/10.1002/(sici)1099-0518(19990701)37:13<2087::aid-pola23>3.0.co;2-5
TI - Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process
T2 - Journal of Polymer Science, Part A: Polymer Chemistry
AU - Haba, Osamu
AU - Itakura, Isao
AU - UEDA, Mitsuru
AU - Kuze, Shigeki
PY - 1999
DA - 1999/07/01
PB - Wiley
SP - 2087-2093
IS - 13
VL - 37
SN - 0887-624X
SN - 1099-0518
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{1999_Haba,
author = {Osamu Haba and Isao Itakura and Mitsuru UEDA and Shigeki Kuze},
title = {Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process},
journal = {Journal of Polymer Science, Part A: Polymer Chemistry},
year = {1999},
volume = {37},
publisher = {Wiley},
month = {jul},
url = {https://doi.org/10.1002/(sici)1099-0518(19990701)37:13<2087::aid-pola23>3.0.co;2-5},
number = {13},
pages = {2087--2093},
doi = {10.1002/(sici)1099-0518(19990701)37:13<2087::aid-pola23>3.0.co;2-5}
}
Cite this
MLA
Copy
Haba, Osamu, et al. “Synthesis of polycarbonate from dimethyl carbonate and bisphenol-a through a non-phosgene process.” Journal of Polymer Science, Part A: Polymer Chemistry, vol. 37, no. 13, Jul. 1999, pp. 2087-2093. https://doi.org/10.1002/(sici)1099-0518(19990701)37:13<2087::aid-pola23>3.0.co;2-5.