Macromolecules, volume 30, issue 11, pages 3147-3150
Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst
Publication type: Journal Article
Publication date: 1997-06-01
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
The copolymerization of carbon dioxide and propylene oxide using rare-earth-metal catalyst systems was investigated in this study. It was found that the ternary rare-earth-metal coordination catalyst consisting of Y(CF3CO2)3 (I), diethylzinc (II), and glycerine (III) was the most effective catalyst system to generate an alternating polycarbonate. The effects of the molar ratio of catalyst components, the solvent, and the operating temperature and pressure on the yield and the molecular weight of polycarbonate were systematically studied. At an appropriate combination of all variables, the yield could be as high as 4200 (g/(mol of Y))/h and the molecular weight as high as 1.0 × 105 in a 12 h reaction period. The carbonate content in the resulting polycarbonate was found to be 95.6%.
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Tan C., Hsu T. Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst // Macromolecules. 1997. Vol. 30. No. 11. pp. 3147-3150.
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Tan C., Hsu T. Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst // Macromolecules. 1997. Vol. 30. No. 11. pp. 3147-3150.
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TY - JOUR
DO - 10.1021/ma961725j
UR - https://doi.org/10.1021/ma961725j
TI - Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst
T2 - Macromolecules
AU - Tan, Chung-Sung
AU - Hsu, Tsung-Ju
PY - 1997
DA - 1997/06/01
PB - American Chemical Society (ACS)
SP - 3147-3150
IS - 11
VL - 30
SN - 0024-9297
SN - 1520-5835
ER -
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BibTex (up to 50 authors)
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@article{1997_Tan,
author = {Chung-Sung Tan and Tsung-Ju Hsu},
title = {Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst},
journal = {Macromolecules},
year = {1997},
volume = {30},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/ma961725j},
number = {11},
pages = {3147--3150},
doi = {10.1021/ma961725j}
}
Cite this
MLA
Copy
Tan, Chung-Sung, and Tsung-Ju Hsu. “Alternating Copolymerization of Carbon Dioxide and Propylene Oxide with a Rare-Earth-Metal Coordination Catalyst.” Macromolecules, vol. 30, no. 11, Jun. 1997, pp. 3147-3150. https://doi.org/10.1021/ma961725j.