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Synthesis and characterization of new bis(1-aryliminomethylenylnaphthalen-2-oxy)nickel complexes and their catalytic behavior for vinyl polymerization of norbornene |
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| Authors: | Fei Chang Dongheng Zhang Haijian Yang Haibin Song |
| Institution: | a State Key Laboratory of Engineering Plastics and Center for Molecular Sciences, Institute of Chemistry, The Chinese Academy of Sciences, Zhongguancun, Beiyijie, Beijing 100080, PR China b College of Chemistry and Environmental Science, Hebei University, Baoding 071002, PR China c State Key Laboratory of Functional Polymer, Nankai University, Tianjin 300071, PR China |
| Abstract: | The synthesized 1-aryliminomethylenylnaphthalen-2-ol derivatives reacted with nickel chloride to form bis(1-aryliminomethylenylnaphthalen-2-oxy)nickel complexes. All resultant compounds were structurally characterized by elemental analyses, IR and H NMR, and the structures of the formed complexes were elucidated by X-ray crystal structure analysis. The complexes show high catalytic activities for the vinyl polymerization of norbornene in the presence of methylaluminoxane. The catalytic activity variations have been followed by gas chromatography through monitoring the conversion of norbornene. |
| Keywords: | Nickel complex Norbornene Vinyl polymerization Crystal structure |
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