Synthesis of Ultrahigh Molecular Weight Ethylene-Based (Co)polymers with Titanium Complexes Bearing Nonsymmetric Amine-bis(phenolate) Ligands

Li, Feng; Bai, Yuhongxu; He, Jianghao; Song, Tingting; Gao, Wei; Mu, Xiaoyue; Mu, Ying

doi:10.1021/acs.macromol.3c00579

Macromolecules

2023

DOI: 10.1021/acs.macromol.3c00579

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Synthesis of Ultrahigh Molecular Weight Ethylene-Based (Co)polymers with Titanium Complexes Bearing Nonsymmetric Amine-bis(phenolate) Ligands

Feng Li,

Yuhongxu Bai,

Jianghao He

et al.

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2024

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Cited by 3 publications

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The Third Compound Promoted Copolymerization of Ethylene with 4‐Penten‐1‐ol by Using Metallocene Catalyst

Wang,

Guo,

et al. 2024

Macro Chemistry & Physics

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Olefin coordination copolymerization with polar monomers is an important topic both in academia and industry. During copolymerization, polar monomers will seriously reduce the polymerization activity and the molecular weight of the copolymer, making it difficult to balance the two and the polar monomer incorporation at the same time. In this study, a metallocene catalyst, Ph2C(Cp)(Flu)ZrCl2, was used for the copolymerization of ethylene with 4‐penten‐1‐ol. The incorporation of 4‐penten‐1‐ol can be effectively increased by the introduction of the steric phenol as the third component. Depending on the cocatalyst, the activity or molecular weight can be improved. It is believed that the promotion effect may work by the interaction of the steric phenol with the catalyst or cocatalyst. It is also suggested that in this system, polymerization is terminated by deactivation‐chain transfer mechanism rather than β‐X elimination due to back‐biting.This article is protected by copyright. All rights reserved

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The Third Compound Promoted Copolymerization of Ethylene with 4‐Penten‐1‐ol by Using Metallocene Catalyst

Wang,

Guo,

et al. 2024

Macro Chemistry & Physics

View full text Add to dashboard Cite

show abstract

The third compound promoted ethylene homopolymerization and copolymerization with 1-octene by using metallocene catalyst

Guo,

Zhang,

Hou

et al. 2024

J Polym Res

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Flexible monoarylmethyl substituents in efficient polyethylene elastomer synthesis: facilitating chain walking and enhancing chain growth

Ma,

Dai

2024

Polymer

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Synthesis of Ultrahigh Molecular Weight Ethylene-Based (Co)polymers with Titanium Complexes Bearing Nonsymmetric Amine-bis(phenolate) Ligands

Cited by 3 publications

References 68 publications

The Third Compound Promoted Copolymerization of Ethylene with 4‐Penten‐1‐ol by Using Metallocene Catalyst

The Third Compound Promoted Copolymerization of Ethylene with 4‐Penten‐1‐ol by Using Metallocene Catalyst

The third compound promoted ethylene homopolymerization and copolymerization with 1-octene by using metallocene catalyst

Flexible monoarylmethyl substituents in efficient polyethylene elastomer synthesis: facilitating chain walking and enhancing chain growth

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