Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization

Zhongbao Jian, Laura Falivene, Giusi Boffa, Sheila Ortega Sánchez, Lucia Caporaso, Alfonso Grassi, Stefan Mecking

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

A single-step route to telechelic polyethylene (PE) is enabled by selective insertion polymerization. PdII-catalyzed copolymerization of ethylene and 2-vinylfuran (VF) generates α,ω-di-furan telechelic polyethylene. Orthogonally reactive exclusively in-chain anhydride groups are formed by terpolymerization with carbic anhydride. Combined experimental and theoretical DFT studies reveal the key for this direct approach to telechelics to be a match of the comonomers’ different electronics and bulk. Identified essential features of the comonomer are that it is an electron-rich olefin that forms an insertion product stabilized by an additional interaction, namely a π–η3 interaction for the case of VF.
Original languageEnglish (US)
Pages (from-to)14378-14383
Number of pages6
JournalAngewandte Chemie International Edition
Volume55
Issue number46
DOIs
StatePublished - Oct 14 2016

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