Journal of Polymer Science & Applications

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Yuesheng Li Author

yushng@tju.edu.cn

Subjects of specialization
Sepsis, Coordination polymerization

Affiliation
Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China

Biography

Yuesheng Li  Tianjin Key Lab of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University,
Tianjin 300072, China copolymerization of ethylene with norbornenewere also efficiently catalyzed by these vanadium catalysts, and  were obtained. 

Publications

Research Article Open Access

Improved Catalytic Capabilities of Vanadium Complexes bearing Tridentate Constrained Cyclic β-Enaminoketonato Ligands towards Ethylene (Co)polymerization

Author(s):

Kaiti Wang, Lei Cui, Yanguo Li and Yuesheng Li

A series of vanadium complexes bearing tridentate constrained cyclic β-enaminoketonato ligands, [RC6H3-(O)C=C(CH2)nCH=NC6H4SPh]VCl2(THF) (2a, n =1, R = H; 2b, n =1, R = C6H5; 2c, n = 2, R = C6H5; 2d, n = 3, R = C6H5), were synthesized and characterized, and the molecular structures of complexes 2b and 2c were further confirmed by X-ray crystal analysis. In the presence of ethyl trichloroacetate as reactivating agent, Et2AlCl activated vanadium complexes produced polyethylenes with unimodal distribution (PDI = 1.4-1.8) in high activities (107-108 gPE/molV•hview more»

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