ACS Macro Letters, volume 8, issue 12, pages 1594-1598
Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2
Publication type: Journal Article
Publication date: 2019-11-21
Journal:
ACS Macro Letters
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.8
ISSN: 21611653, 21611653
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
Whatever the chemistry used for the synthesis of aliphatic polycarbonates, in particular, those of high molar mass, the adventitious presence of water leads to bimodal GPC traces and affords polycarbonate samples of uncontrolled and unpredictable molar masses. It appears that among all reagents used in the copolymerization of CO2 and epoxides, CO2 is the most difficult one to dry. To address this issue, triisobutylaluminum (TiBA) was employed in this work to dry CO2 through a bubbling method; its drying capability was investigated in the context of the copolymerization of CO2 with epoxides initiated by onium chloride in the presence of triethylborane (TEB). It was then compared to the efficiency of other already reported drying agents such as phosphorus pentoxide, molecular sieves and commercially available CO2 purifiers. With TiBA-dried CO2, its copolymerizations respectively with propylene oxide (PO) and cyclohexene oxide (CHO) could be successfully achieved in a wide range of degrees of polymerization (DP), with the value of DP as high as 16000. Diblock copolymers poly(propylene carbonate-b-cyclohexene carbonate) (PPC-b-PCHC) could also be prepared through sequential addition of epoxide monomers. The polycarbonates obtained under the conditions were all well-defined as characterized by NMR, GPC, triple detector-GPC, and differential scanning calorimetry (DSC).
Top-30
Citations by journals
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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1 publication, 2.13%
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14
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Citations by publishers
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5
10
15
20
25
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American Chemical Society (ACS)
23 publications, 48.94%
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Elsevier
7 publications, 14.89%
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Wiley
7 publications, 14.89%
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Royal Society of Chemistry (RSC)
5 publications, 10.64%
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Springer Nature
2 publications, 4.26%
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Walter de Gruyter
1 publication, 2.13%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 2.13%
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5
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15
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25
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Jia M. et al. Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2 // ACS Macro Letters. 2019. Vol. 8. No. 12. pp. 1594-1598.
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Jia M., Hadjichristidis N., Gnanou Y., Feng X. Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2 // ACS Macro Letters. 2019. Vol. 8. No. 12. pp. 1594-1598.
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TY - JOUR
DO - 10.1021/acsmacrolett.9b00854
UR - https://doi.org/10.1021/acsmacrolett.9b00854
TI - Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2
T2 - ACS Macro Letters
AU - Jia, Mingchen
AU - Hadjichristidis, N.
AU - Gnanou, Yves
AU - Feng, Xiaoshuang
PY - 2019
DA - 2019/11/21 00:00:00
PB - American Chemical Society (ACS)
SP - 1594-1598
IS - 12
VL - 8
SN - 2161-1653
SN - 2161-1653
ER -
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@article{2019_Jia,
author = {Mingchen Jia and N. Hadjichristidis and Yves Gnanou and Xiaoshuang Feng},
title = {Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2},
journal = {ACS Macro Letters},
year = {2019},
volume = {8},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acsmacrolett.9b00854},
number = {12},
pages = {1594--1598},
doi = {10.1021/acsmacrolett.9b00854}
}
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Jia, Mingchen, et al. “Monomodal Ultrahigh-Molar-Mass Polycarbonate Homopolymers and Diblock Copolymers by Anionic Copolymerization of Epoxides with CO2.” ACS Macro Letters, vol. 8, no. 12, Nov. 2019, pp. 1594-1598. https://doi.org/10.1021/acsmacrolett.9b00854.