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Preparation of double metal cyanide compleces from water-insoluble zinc compounds and their catalytic performance for copolymerization of epoxide and CO2 |
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| Authors: | Shang Chen Xinghong Zhang Fang Lin and Guorong Qi |
| Institution: | (1) Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China;(2) College of Chemistry and Engineering, Jishou University, Jishou, 416000, China;(3) Zhejiang Pharmaceutical College, NinBo, 315100, China |
| Abstract: | A novel method was developed for preparing double metal cyanide complexes based on Zn3Co(CN)6]2 with water-insoluble zinc compounds such as ZnO, Zn(OH)2 and basic ZnCO3 as precursors. The complexes obtained exhibited nearly double catalytic efficiency for the copolymerization of propylene oxide and CO2 as compared with the complexes originating from the solution precipitation method. |
| Keywords: | Catalyst carbon dioxide epoxide copolymerization |
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