Retardation in RAFT polymerization: Does cross-termination occur with short radicals only?

Ting, SRS; Davis, TP; Zetterlund, PB

Retardation in RAFT polymerization: Does cross-termination occur with short radicals only?

Ting, SRS

Davis, TP Zetterlund, PB

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Publication Type:: Journal Article
Citation:: Macromolecules, 2011, 44 (11), pp. 4187 - 4193
Issue Date:: 2011-06-14

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Field	Value	Language
dc.contributor.author	Ting, SRS https://orcid.org/0000-0002-7787-7906	en_US
dc.contributor.author	Davis, TP	en_US
dc.contributor.author	Zetterlund, PB	en_US
dc.date.issued	2011-06-14	en_US
dc.identifier.citation	Macromolecules, 2011, 44 (11), pp. 4187 - 4193	en_US
dc.identifier.issn	0024-9297	en_US
dc.identifier.uri	http://hdl.handle.net/10453/31349
dc.description.abstract	The recently proposed model by Perrier and co-workers [J. Polym. Sci., Part A: Polym. Chem. 2009, 47, 3455 ] to account for retardation effects in dithiobenzoate-mediated reversible addition-fragmentation chain transfer (RAFT) polymerization of styrene has been tested experimentally. According to this model, retardation is caused by cross-termination of very short radicals only. Polymerizations were conducted employing a macroazoinitiator and a polymeric RAFT agent based on cumyl dithiobenzoate, thereby effectively eliminating all short radicals from the system. The results show, in basic agreement with the model, that there is very little, if any, retardation in dithiobenzoate-mediated RAFT polymerization of styrene in the absence of short radicals. © 2011 American Chemical Society.	en_US
dc.relation.ispartof	Macromolecules	en_US
dc.relation.isbasedon	10.1021/ma200831f	en_US
dc.subject.classification	Polymers	en_US
dc.title	Retardation in RAFT polymerization: Does cross-termination occur with short radicals only?	en_US
dc.type	Journal Article
utslib.citation.volume	11	en_US
utslib.citation.volume	44	en_US
utslib.for	0301 Analytical Chemistry	en_US
utslib.for	0903 Biomedical Engineering	en_US
utslib.for	03 Chemical Sciences	en_US
utslib.for	09 Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Strength - CHT - Health Technologies
utslib.copyright.status	closed_access
pubs.issue	11	en_US
pubs.publication-status	Published	en_US
pubs.volume	44	en_US

Abstract:

The recently proposed model by Perrier and co-workers [J. Polym. Sci., Part A: Polym. Chem. 2009, 47, 3455 ] to account for retardation effects in dithiobenzoate-mediated reversible addition-fragmentation chain transfer (RAFT) polymerization of styrene has been tested experimentally. According to this model, retardation is caused by cross-termination of very short radicals only. Polymerizations were conducted employing a macroazoinitiator and a polymeric RAFT agent based on cumyl dithiobenzoate, thereby effectively eliminating all short radicals from the system. The results show, in basic agreement with the model, that there is very little, if any, retardation in dithiobenzoate-mediated RAFT polymerization of styrene in the absence of short radicals. © 2011 American Chemical Society.

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http://hdl.handle.net/10453/31349