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Xiao X, Zheng H, Gao H, Cheng Z, Feng C, Yang J, Gao H. Recent Advances in Synthesis of Non-Alternating Polyketone Generated by Copolymerization of Carbon Monoxide and Ethylene. Int J Mol Sci 2024; 25:1348. [PMID: 38279347 PMCID: PMC10816092 DOI: 10.3390/ijms25021348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 01/28/2024] Open
Abstract
The copolymers of carbon monoxide (CO) and ethylene, namely aliphatic polyketones (PKs), have attracted considerable attention due to their unique property and degradation. Based on the arrangement of the ethylene and carbonyl groups in the polymer chain, PKs can be divided into perfect alternating and non-perfect alternating copolymers. Perfect alternating PKs have been previously reviewed, we herein focus on recent advances in the synthesis of PKs without a perfect alternating structure including non-perfect alternating PKs and PE with in-chain ketones. The chain structure of PKs, catalytic copolymerization mechanism, and non-alternating polymerization catalysts including phosphine-sulfonate Pd, diphosphazane monoxide (PNPO) Pd/Ni, and phosphinophenolate Ni catalysts are comprehensively summarized. This review aims to enlighten the design of ethylene/CO non-alternating polymerization catalysts for the development of new polyketone materials.
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Affiliation(s)
| | | | | | | | | | | | - Haiyang Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China; (X.X.); (H.Z.); (H.G.); (Z.C.); (C.F.); (J.Y.)
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2
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Cheung CS, Qiu Z, Li D, Deng H, Zheng H, Gao H. Experimental and theoretical insights into palladium-mediated polymerization of para-N, N-disubstituted aminostyrene. Dalton Trans 2023; 52:17573-17582. [PMID: 37966170 DOI: 10.1039/d3dt03146b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Experimental and theoretical insights into polymerization of para-N,N-disubstituted aminostyrene monomers (St-4-NR2, R = Me, Et, Ph) using cationic α-diimine palladium complexes have been initially reported. The effects of the catalyst structure and monomer substituent were studied systematically. Polymerization turnover frequency (TOF) was shown to decrease in the order of monomer substituents Me > Et > Ph, whereas the molecular weight of the produced polymers showed an opposite trend (Me < Et < Ph). Methanol-mediated polymerization of para-N,N-dimethylaminostyrene (DMAS), along with polymer chain-end analysis, and palladium intermediate isolation proved that palladium-initiated DMAS polymerization obeyed a cationic mechanism. Comprehensive theoretical calculations further revealed that the carbocation was generated from the insertion of DMAS into the palladium center rather than the polarization of the methyl palladium intermediate with a coordinated DMAS. The produced amine-functionalized amorphous polystyrenes have low stereoregularity and exhibit good hydrophilic properties. The poly(para-N,N-disphenylaminostyrene) is a luminescent polymer and shows fluorescence properties, rendering this material a promising candidate for versatile potential applications.
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Affiliation(s)
- Chi Shing Cheung
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
| | - Zonglin Qiu
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
| | - Donghui Li
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
| | - Huiyun Deng
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
| | - Handou Zheng
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
| | - Haiyang Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China.
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Zheng H, Pei L, Deng H, Gao H, Gao H. Electronic effects of amine-imine nickel and palladium catalysts on ethylene (co)polymerization. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2022.111773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Zhang R, Gao R, Gou Q, Lai J, Li X. Recent Advances in the Copolymerization of Ethylene with Polar Comonomers by Nickel Catalysts. Polymers (Basel) 2022; 14:polym14183809. [PMID: 36145954 PMCID: PMC9500745 DOI: 10.3390/polym14183809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/28/2022] [Accepted: 07/30/2022] [Indexed: 11/16/2022] Open
Abstract
The less-expensive and earth-abundant nickel catalyst is highly promising in the copolymerization of ethylene with polar monomers and has thus attracted increasing attention in both industry and academia. Herein, we have summarized the recent advancements made in the state-of-the-art nickel catalysts with different types of ligands for ethylene copolymerization and how these modifications influence the catalyst performance, as well as new polymerization modulation strategies. With regard to α-diimine, salicylaldimine/ketoiminato, phosphino-phenolate, phosphine-sulfonate, bisphospnine monoxide, N-heterocyclic carbene and other unclassified chelates, the properties of each catalyst and fine modulation of key copolymerization parameters (activity, molecular weight, comonomer incorporation rate, etc.) are revealed in detail. Despite significant achievements, many opportunities and possibilities are yet to be fully addressed, and a brief outlook on the future development and long-standing challenges is provided.
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Late Transition Metal Catalysts with Chelating Amines for Olefin Polymerization. Catalysts 2022. [DOI: 10.3390/catal12090936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Polyolefins are the most consumed polymeric materials extensively used in our daily life and are usually generated by coordination polymerization in the polyolefin industry. Olefin polymerization catalysts containing transition metal–organic compound combinations are undoubtedly crucial for the development of the polyolefin industry. The nitrogen donor atom has attracted considerable interest and is widely used in combination with the transition metal for the fine-tuning of the chemical environment around the metal center. In addition to widely reported olefin polymerization catalysts with imine and amide donors (sp2 hybrid N), late transition metal catalysts with chelating amine donors (sp3 hybrid N) for olefin polymerization have never been reviewed. In this review paper, we focus on late transition metal (Ni, Pd, Fe, and Co) catalysts with chelating amines for olefin polymerization. A variety of late transition metal catalysts bearing different neutral amine donors are surveyed for olefin polymerization, including amine–imine, amine–pyridine, α-diamine, and [N, N, N] tridentate ligands with amine donors. The relationship between catalyst structure and catalytic performance is also encompassed. This review aims to promote the design of late transition metal catalysts with unique chelating amine donors for the development of high-performance polyolefin materials.
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Lei T, Ma Z, Liu H, Wang X, Li P, Wang F, Wu W, Zhang S, Xu G, Wang F. Preparation of highly branched polyolefins by controlled chain‐walking olefin polymerization. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tong Lei
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Zhanshan Ma
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Hongju Liu
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Xiaoyue Wang
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Pei Li
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Feifei Wang
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Weitai Wu
- State Key Laboratory for Physical Chemistry of Solid surfaces Xiamen University Xiamen China
| | - Shaojie Zhang
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Guoyong Xu
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
| | - Fuzhou Wang
- Institutes of Physical Science and Information Technology, School of Computer Science and Technology Anhui University Hefei China
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Zheng H, Li Y, Du W, Cheung CS, Li D, Gao H, Deng H, Gao H. Unprecedented Square-Planar α-Diimine Dibromonickel Complexes and Their Ethylene Polymerizations Modulated by Ni–Phenyl Interactions. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00360] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Handou Zheng
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Yinwu Li
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Wenbo Du
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Chi Shing Cheung
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Donghui Li
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Heng Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Huiyun Deng
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Haiyang Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
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Alternating copolymerization of carbon monoxide and vinyl arenes using [N,N] bidentate palladium catalysts. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20210802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Wang X, Feng Z, Guo W, Zhong W, Liu X, Wang C, Fu Z, Fan Z. Improvement of Catalytic Activity for
α
‐Diimine Nickel Complex with Active Sites Stabilized by Bulky Boron Counterions at Elevated Temperature. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6599] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xueer Wang
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Zhongwei Feng
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Wenqi Guo
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Wentao Zhong
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Xiaoyu Liu
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Cheng Wang
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Zhisheng Fu
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
| | - Zhiqiang Fan
- Department of Polymer Science and Engineering MOE Key Laboratory of Macromolecular Synthesis and Functionalization Hangzhou China
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Du C, Cheung CS, Zheng H, Li D, Du W, Gao H, Liang G, Gao H. Bathochromic-Shifted Emissions by Postfunctionalization of Nonconjugated Polyketones. ACS APPLIED MATERIALS & INTERFACES 2021; 13:59288-59297. [PMID: 34856800 DOI: 10.1021/acsami.1c18822] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Most nontraditional intrinsic luminescent (NTIL) polymers currently show blue fluorescence. Tuning the emission color of NTIL polymers is of fundamental importance for their applications, but it still remains a scientific challenge. Herein, we initially develop an efficient strategy for bathochromic shifting of NTIL polymers by through-space acceptor-donor charge transfer between the in chain and the side chain. A variety of functionalized polyketones (FPK-R; where R = H, Ph, Me, tBu, F, and Cl) with furan rings built into the polymer chain were prepared by the Paal-Knorr reaction. FPK-R polymers showed bright and bathochromic-shifted fluorescence compared with their counterparts. The emission color could be tuned by changing the postfunctionalization conversion and varying the styrenic monomer substituent. Experimental and theoretical investigations revealed that the color tunability originated from enhanced through-space charge transfer between the side chain phenyl and the in chain furan rings.
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Affiliation(s)
- Cheng Du
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518035, China
| | - Chi Shing Cheung
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Handou Zheng
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Donghui Li
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Wenbo Du
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Heng Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Guodong Liang
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
| | - Haiyang Gao
- School of Materials Science and Engineering, PCFM Lab, GD HPPC Lab, Sun Yat-sen University, Guangzhou 510275, China
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11
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Lee S, Chae J, Yang Y, Lee I, Jang H. (Iminopyridine)Pd (II) complexes as versatile catalysts for copolymerization and terpolymerization of vinyl arene, ethylene, and carbon monoxide. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6337] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Seulchan Lee
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Ju‐Hyung Chae
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Yongmoon Yang
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - In‐Hwan Lee
- Department of Chemistry Ajou University Suwon 16499 South Korea
| | - Hye‐Young Jang
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
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