Alternating Copolymerization of Carbon Dioxide and Propylene Oxide Under Bifunctional Cobalt Salen Complexes: Role of Lewis Base Substituent Covalent Bonded on Salen Ligand
文献类型:期刊论文
作者 | Liu, Binyuan1; Gao, Yanhao1; Zhao, Xin1; Yan, Weidong1; Wang, Xianhong2 |
刊名 | JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
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出版日期 | 2010-01-15 |
卷号 | 48期号:2页码:359-365 |
关键词 | Carbon Dioxide Catalysts Cobalt Salen Complex Copolymerization Polycarbonate Propylene Oxide |
ISSN号 | 0887-624X |
DOI | 10.1002/pola.23792 |
英文摘要 | Alternating copolymerization of propylene oxide (PO) and carbon dioxide (CO(2)) was realized under mild conditions with a moderate turnover frequency (TOF), employing sole bifunctional cobalt salen complexes containing Lewis acid metal center and covalent bonded Lewis base on the ligand. Variation of the covalent bonded Lewis base substituents on the salen ligands could tailor the catalytic activity with TOF changing from 19.3 to 34.9 h(-1), polymeric/cyclic carbonate selectivity from 95.3 to 72.8%, and the head-to-tail structure in the polymer from 72.2 to 86.0%. The IR analysis confirmed that the Lewis base moiety on one molecule could coordinate with cobalt center of adjacent molecule, playing similar role to the Salen metal complex/Lewis base binary catalytic system. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48:359-365,2010 |
语种 | 英语 |
WOS记录号 | WOS:000273581700011 |
出版者 | JOHN WILEY & SONS INC |
源URL | [http://ir.iccas.ac.cn/handle/121111/68903] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Liu, Binyuan |
作者单位 | 1.Hebei Univ Technol, Inst Polymer Sci & Engn, Tianjin 300130, Peoples R China 2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Binyuan,Gao, Yanhao,Zhao, Xin,et al. Alternating Copolymerization of Carbon Dioxide and Propylene Oxide Under Bifunctional Cobalt Salen Complexes: Role of Lewis Base Substituent Covalent Bonded on Salen Ligand[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2010,48(2):359-365. |
APA | Liu, Binyuan,Gao, Yanhao,Zhao, Xin,Yan, Weidong,&Wang, Xianhong.(2010).Alternating Copolymerization of Carbon Dioxide and Propylene Oxide Under Bifunctional Cobalt Salen Complexes: Role of Lewis Base Substituent Covalent Bonded on Salen Ligand.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,48(2),359-365. |
MLA | Liu, Binyuan,et al."Alternating Copolymerization of Carbon Dioxide and Propylene Oxide Under Bifunctional Cobalt Salen Complexes: Role of Lewis Base Substituent Covalent Bonded on Salen Ligand".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 48.2(2010):359-365. |
入库方式: OAI收割
来源:化学研究所
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