Double stimulus-responsive palladium catalysts for ethylene polymerization and copolymerization

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外文摘要：The external stimulus response strategy has been evolved rapidly in the field of olefin polymerization.In this work,we modularly synthesized three types of double stimulus responsive α-diimine palladium catalysts,combining redox regulation and other regulation together,such as light,Lewis acid and alkali cations.The catalytic activities and the molecular weight of polyethylene products can be regulated for 4 times in ethylene polymerization.These palladium complexes were also used for the copolymerization reaction of ethylene and polar monomers,such as methyl 10-undecylenate and methyl acrylate,effec-tively regulating the catalytic activities,the molecular weight and polar monomer incorporation of the prepared copolymers.The research on these dual-regulated palladium complexes makes full use of pre-pared catalysts and provides new inspirations for regulating olefin polymerization.

外文关键词：

Dual-regulatedStimulus-responsivePalladiumEthylene polymerizationPolar monomer

作者：

Hailong He、Wenbing Wang、Wenmin Pang、Chen Zou、Dan Peng

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作者单位：

CAS Key Laboratory of Soft Matter Chemistry,Department of Polymer Science and Engineering,University of Science and Technology of China,Hefei National Laboratory for Physical Sciences at the Microscale,Hefei 230026,China

基金：

National Natural Science Foundation of ChinaChina Postdoctoral Science FoundationChina Postdoctoral Science FoundationUSTC Research Funds of the Double First-Class InitiativeFundamental Research Funds for the Central Universities

项目编号：

522030162021M7030722022T150617YD9990002018WK9990000142

出版年：

2024

DOI：

10.1016/j.cclet.2024.109534

中国化学快报(英文版)

中国化学会

中国化学快报(英文版)

CSTPCD

影响因子：0.771

ISSN：1001-8417

年,卷(期)：2024.35(7)