Living free-radical polymerization (reversible addition-fragmentation chain transfer) of 6-[4-(4′-methoxyphenyl)-phenoxy]hexyl methacrylate: A route to architectural control of side-chain liquid-crystalline polymers

Hao, X., Heuts, J. P. A., Barner-Kowollik, C., Davis, T. P., & Evans, E. (2003) Living free-radical polymerization (reversible addition-fragmentation chain transfer) of 6-[4-(4′-methoxyphenyl)-phenoxy]hexyl methacrylate: A route to architectural control of side-chain liquid-crystalline polymers. Journal of Polymer Science, Part A: Polymer Chemistry, 41(19).

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Abstract

Side-chain liquid-crystalline polymers of 6-[4(4′-methoxyphenyl)phenoxy]-hexyl methacrylate with controlled molecular weights and narrow polydispersities were prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization with 2-(2-cyanopropyl) dithiobenzoate as the RAFT agent. Differential scanning calorimetry studies showed that the polymers produced via the RAFT process had a narrower thermal stability range of the liquid-crystalline mesophase than the polymers formed via conventional free-radical polymerization. In addition, a chain length dependence of this stability range was found. The generated RAFT polymers displayed optical textures similar to those of polymers produced via conventional free-radical polymerization.

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ID Code: 99072
Item Type: Journal Article
Refereed: Yes
Additional Information: Cited By :38
Export Date: 5 September 2016
CODEN: JPACE
Correspondence Address: Barner-Kowollik, C.; Ctr. for Adv. Macromolecular Design, Sch. of Chem. Eng. and Indust. Chem., University of New South Wales, Sydney, NSW 2052, Australia; email: camd@unsw.edu.au
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Keywords: Liquid-cystalline polymers (LCP), Living polymerization, Radical polymerization, Reversible addition-fragmentation chain transfer, Synthesis, Addition reactions, Differential scanning calorimetry, Free radical polymerization, Liquid crystal polymers, Molecular weight, Thermodynamic stability, Cyanopropyl dithiobenzoate, Living free radical polymerization, Methoxyphenylphenoxyhexyl methacrylate, Reversible addition fragmentation chain transfer, Organic polymers, polymer science
DOI: 10.1002/pola.10894
ISSN: 0887624X
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: 22 Sep 2016 04:50
Last Modified: 22 Sep 2016 04:50

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