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Journal of Polymer Research
Published in: Journal of Polymer Research 7/2013

01-07-2013 | Original Paper

Zinc adipate/tertiary amine catalytic system: efficient synthesis of high molecular weight poly(propylene carbonate)

Authors: Lei Tang, Min Xiao, Yan Xu, Shuanjin Wang, Yuezhong Meng

Published in: Journal of Polymer Research | Issue 7/2013

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Abstract

The copolymerization of carbon dioxide and propylene oxide to generate poly (propylene carbonate) (PPC) were efficiently catalyzed by zinc adipate (ZnAA) in the presence of various tertiary amines as cocatalyst. The influences of temperature, pressure as well as cocatalyst concentration on the copolymerization were studied. The ZnAA/4,4′-methylenebis (N,N-dimethylaniline) composite catalyst shows reasonable high polymer productivity (>280 g polymer/g zinc), high selectivity (>95 %, PPC/cyclic carbonate), especially considerable high molecular weight (Mn > 250 k). Because of the high molecular weight, the as-prepared PPC exhibits apparently improved thermal properties as contrast to the one reported elsewhere previously. Furthermore, the effects of the steric and electronic properties of various tertiary amine derivatives on cocatalytic performance have also been discussed. The experimental results suggest that the tertiary amine cocatalysts with the rigid and bulky aromatic structure are more favorable for the copolymerization.
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Metadata
Title
Zinc adipate/tertiary amine catalytic system: efficient synthesis of high molecular weight poly(propylene carbonate)
Authors
Lei Tang
Min Xiao
Yan Xu
Shuanjin Wang
Yuezhong Meng
Publication date
01-07-2013
Publisher
Springer Netherlands
Published in
Journal of Polymer Research / Issue 7/2013
Print ISSN: 1022-9760
Electronic ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-013-0190-9

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