Macromolecular Chemistry and Physics, volume 205, issue 1, pages 42-47
New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups
Robert Eberhardt
1
,
Markus Allmendinger
1
,
Manuela Zintl
1
,
Carsten Troll
1
,
Gerrit A. Luinstra
2
,
2
Plastics Laboratory, BASF AG, D‐67056 Ludwigshafen, Germany
|
Publication type: Journal Article
Publication date: 2004-01-01
Journal:
Macromolecular Chemistry and Physics
Q2
Q3
SJR: 0.501
CiteScore: 4.3
Impact factor: 2.5
ISSN: 10221352, 15213935
Materials Chemistry
Organic Chemistry
Physical and Theoretical Chemistry
Condensed Matter Physics
Polymers and Plastics
Abstract
A series of zinc dicarboxylates were synthesized by the reaction of diethylzinc with dicarboxylic acids. Zinc monocarboxylate monoalkyl intermediates were obtained by using a defined excess of diethylzinc over dicarboxylic acid. A subsequent insertion reaction of SO 2 into these zinc alkyl bonds resulted in a defined number of Zn-ethylsulfinate groups, which act as active centers for the copolymerization reaction of CO 2 and propylene oxide. Corresponding ethylsulfinic acid ester end groups were detected in the poly(propylene carbonate) (PPC) products. The polymerization activity depended strongly on the number of sulfinate groups incorporated and has been significantly increased compared to conventional zinc dicarboxylates. The obtained PPCs have molecular weights (M w ) exceeding 80 000 g.mol -1 and polydispersities in the range of 2.3 to 3.3.
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Eberhardt R. et al. New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups // Macromolecular Chemistry and Physics. 2004. Vol. 205. No. 1. pp. 42-47.
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Eberhardt R., Allmendinger M., Zintl M., Troll C., Luinstra G. A., Rieger B. New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups // Macromolecular Chemistry and Physics. 2004. Vol. 205. No. 1. pp. 42-47.
Cite this
RIS
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TY - JOUR
DO - 10.1002/macp.200350081
UR - https://doi.org/10.1002/macp.200350081
TI - New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups
T2 - Macromolecular Chemistry and Physics
AU - Eberhardt, Robert
AU - Allmendinger, Markus
AU - Zintl, Manuela
AU - Troll, Carsten
AU - Luinstra, Gerrit A.
AU - Rieger, B.
PY - 2004
DA - 2004/01/01
PB - Wiley
SP - 42-47
IS - 1
VL - 205
SN - 1022-1352
SN - 1521-3935
ER -
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@article{2004_Eberhardt,
author = {Robert Eberhardt and Markus Allmendinger and Manuela Zintl and Carsten Troll and Gerrit A. Luinstra and B. Rieger},
title = {New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups},
journal = {Macromolecular Chemistry and Physics},
year = {2004},
volume = {205},
publisher = {Wiley},
month = {jan},
url = {https://doi.org/10.1002/macp.200350081},
number = {1},
pages = {42--47},
doi = {10.1002/macp.200350081}
}
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Eberhardt, Robert, et al. “New Zinc Dicarboxylate Catalysts for the CO2/Propylene Oxide Copolymerization Reaction: Activity Enhancement Through Zn(II)-Ethylsulfinate Initiating Groups.” Macromolecular Chemistry and Physics, vol. 205, no. 1, Jan. 2004, pp. 42-47. https://doi.org/10.1002/macp.200350081.