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Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization

Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization

Type of Publication: Journal article
Publication status: Published
URI (citable link): http://nbn-resolving.de/urn:nbn:de:bsz:352-0-371107
Author: Jian, Zhongbao; Falivene, Laura; Boffa, Giusi; Ortega Sánchez, Sheila; Caporaso, Lucia; Grassi, Alfonso; Mecking, Stefan
Year of publication: 2016
Published in: Angewandte Chemie International Edition ; 55 (2016), 46. - pp. 14378-14383. - ISSN 0570-0833. - eISSN 1521-3773
Pubmed ID: 27736020
DOI (citable link): https://dx.doi.org/10.1002/anie.201607754
Summary:
A single-step route to telechelic polyethylene (PE) is enabled by selective insertion polymerization. Pd(II) -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.
Subject (DDC): 540 Chemistry
Link to License: Terms of use
Bibliography of Konstanz: Yes

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JIAN, Zhongbao, Laura FALIVENE, Giusi BOFFA, Sheila ORTEGA SÁNCHEZ, Lucia CAPORASO, Alfonso GRASSI, Stefan MECKING, 2016. Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization. In: Angewandte Chemie International Edition. 55(46), pp. 14378-14383. ISSN 0570-0833. eISSN 1521-3773. Available under: doi: 10.1002/anie.201607754

@article{Jian2016-10-13Direc-36821, title={Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization}, year={2016}, doi={10.1002/anie.201607754}, number={46}, volume={55}, issn={0570-0833}, journal={Angewandte Chemie International Edition}, pages={14378--14383}, author={Jian, Zhongbao and Falivene, Laura and Boffa, Giusi and Ortega Sánchez, Sheila and Caporaso, Lucia and Grassi, Alfonso and Mecking, Stefan} }

2017-01-19T08:01:41Z A single-step route to telechelic polyethylene (PE) is enabled by selective insertion polymerization. Pd(II) -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-η<sup>3</sup> interaction for the case of VF. Caporaso, Lucia Direct Synthesis of Telechelic Polyethylene by Selective Insertion Polymerization Grassi, Alfonso Boffa, Giusi Falivene, Laura 2016-10-13 Caporaso, Lucia Boffa, Giusi Grassi, Alfonso Ortega Sánchez, Sheila Ortega Sánchez, Sheila Jian, Zhongbao eng terms-of-use Falivene, Laura Mecking, Stefan Mecking, Stefan Jian, Zhongbao 2017-01-19T08:01:41Z

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