Verification of controlled grafting of styrene from cellulose via radiation-induced RAFT polymerization

Barsbay, Murat, Guven, Olgun, Stenzel, Martina H., Davis, Thomas P., Barner-Kowollik, Christopher, & Barner, Leonie (2007) Verification of controlled grafting of styrene from cellulose via radiation-induced RAFT polymerization. Macromolecules, 40(20), pp. 7140-7147.

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Abstract

Reversible addition - fragmentation chain transfer (RAFT) polymerization was applied to radiation-induced graft polymerization of styrene from cellulose. The grafting of styrene from cellulose substrates using the chain transfer agent cumyl phenyldithioacetate was confirmed by Raman and X-ray photoelectron spectroscopy, differential scanning calorimetery, thermogravimetric analysis, scanning electron microscopy, and contact angle analysis. Grafted polystyrene chains were cleaved from the cellulose surface by acidic hydrolysis of the cellulose. The number-average molecular weight and polydispersity index of the grafted and the free (nongrafted) polystyrenes obtained under identical conditions were determined by size exclusion chromatography. Grafted and nongrafted polystyrenes have almost the same (near theoretical) molecular weight and narrow polydispersity, thus proving for the first time the control of the grafting process mediated via RAFT without any prior functionalization of the surface.

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106 citations in Scopus
103 citations in Web of Science®
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ID Code: 97495
Item Type: Journal Article
Refereed: Yes
DOI: 10.1021/ma070825u
ISSN: 1520-5835
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 29 Jul 2016 00:02
Last Modified: 29 Jul 2016 00:02

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