Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether

Muhammet U. Kahveci; M. Atilla Tasdelen; Yusuf Yagci

doi:10.1016/j.polymer.2007.02.048

Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether

Muhammet U. Kahveci, M. Atilla Tasdelen, Yusuf Yagci^*

^*Corresponding author for this work

Department of Chemistry

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

A new photoinitiating system for living cationic polymerization of vinyl ethers such as isobutyl vinyl ether (IBVE) has been reported. The photoinitiating system comprises free radical photoinitiators such as 2,2-dimethoxy-2-phenyl acetophenone (DMPA), benzophenone or thioxanthone, together with an onium salt, such as diphenyliodonium chloride and zinc bromide. In the first step, photochemically generated free radicals are oxidized to the corresponding carbocations which subsequently react with vinyl ether monomer to yield an adduct. In the presence of zinc salt, this adduct initiates living cationic polymerization of IBVE.

Original language	English
Pages (from-to)	2199-2202
Number of pages	4
Journal	Polymer
Volume	48
Issue number	8
DOIs	https://doi.org/10.1016/j.polymer.2007.02.048
Publication status	Published - 5 Apr 2007

Funding

The authors would like to thank Istanbul Technical University Research Fund for financial support. One of the authors (M.U.K.) thanks Turkish Scientific and Technical Research Council (Tubitak) for financial support by means of a graduate program.

Funders	Funder number
Istanbul Technical University Research Fund
Consejo Nacional de Investigaciones Científicas y Técnicas

Keywords

Electron transfer
Living cationic polymerization
Photopolymerization

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10.1016/j.polymer.2007.02.048

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title = "Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether",

abstract = "A new photoinitiating system for living cationic polymerization of vinyl ethers such as isobutyl vinyl ether (IBVE) has been reported. The photoinitiating system comprises free radical photoinitiators such as 2,2-dimethoxy-2-phenyl acetophenone (DMPA), benzophenone or thioxanthone, together with an onium salt, such as diphenyliodonium chloride and zinc bromide. In the first step, photochemically generated free radicals are oxidized to the corresponding carbocations which subsequently react with vinyl ether monomer to yield an adduct. In the presence of zinc salt, this adduct initiates living cationic polymerization of IBVE.",

keywords = "Electron transfer, Living cationic polymerization, Photopolymerization",

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AU - Kahveci, Muhammet U.

AU - Tasdelen, M. Atilla

AU - Yagci, Yusuf

PY - 2007/4/5

Y1 - 2007/4/5

N2 - A new photoinitiating system for living cationic polymerization of vinyl ethers such as isobutyl vinyl ether (IBVE) has been reported. The photoinitiating system comprises free radical photoinitiators such as 2,2-dimethoxy-2-phenyl acetophenone (DMPA), benzophenone or thioxanthone, together with an onium salt, such as diphenyliodonium chloride and zinc bromide. In the first step, photochemically generated free radicals are oxidized to the corresponding carbocations which subsequently react with vinyl ether monomer to yield an adduct. In the presence of zinc salt, this adduct initiates living cationic polymerization of IBVE.

AB - A new photoinitiating system for living cationic polymerization of vinyl ethers such as isobutyl vinyl ether (IBVE) has been reported. The photoinitiating system comprises free radical photoinitiators such as 2,2-dimethoxy-2-phenyl acetophenone (DMPA), benzophenone or thioxanthone, together with an onium salt, such as diphenyliodonium chloride and zinc bromide. In the first step, photochemically generated free radicals are oxidized to the corresponding carbocations which subsequently react with vinyl ether monomer to yield an adduct. In the presence of zinc salt, this adduct initiates living cationic polymerization of IBVE.

KW - Electron transfer

KW - Living cationic polymerization

KW - Photopolymerization

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SP - 2199

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JO - Polymer

JF - Polymer

IS - 8

ER -

Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether

Abstract

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Keywords

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