Polystyrene comb polymers built on cellulose or poly(styrene-co-2-hydroxyethylmethacrylate) backbones as substrates for the preparation of structured honeycomb films
Hernández-Guerrero, M., Davis, T. P., Barner-Kowollik, C., & Stenzel, M. H. (2005) Polystyrene comb polymers built on cellulose or poly(styrene-co-2-hydroxyethylmethacrylate) backbones as substrates for the preparation of structured honeycomb films. European Polymer Journal, 41(10).
Comb polymers were prepared using the RAFT process via a Z-group approach. Trithiocarbonate RAFT agents were covalently bound to a polymer backbone via ester linkages. Two different types of comb polymer backbones were prepared, based on either modified cellulose or statistical poly(styrene-co-2-hydroxyethylmethacrylate) backbones. The subsequent polymerization of styrene from these multi-RAFT-functional backbones displayed some unusual kinetics with the rate of polymerization increasing concomitantly with the trithiocarbonate concentration. The molecular weight of each polystyrene branch increased with conversion, however, deviation from the theoretical molecular weight was detected. The polystyrene comb polymers were utilized in a casting process to prepare highly regular honeycomb structured porous films using breath figures. In general, the regularity was found to increase with increasing number of branches on a backbone and with increasing length of the polystyrene branch. © 2005 Elsevier Ltd. All rights reserved.
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|Item Type:||Journal Article|
|Additional Information:||Cited By :109
Export Date: 5 September 2016
Correspondence Address: Stenzel, M.H.; Centre for Advanced Macromolecular Design, School of Chemical Engineering and Industrial Chemistry, University of New South Wales, Sydney, NSW 2031, Australia; email: email@example.com
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|Keywords:||Breath figures, Comb polymers, Honeycomb, Porous films, RAFT polymerization, Carbonates, Cellulose, Cellulose films, Esters, Honeycomb structures, Macromolecules, Molecular weight, Polystyrenes, Reaction kinetics, Substrates, Viscosity, Polymers, Polystyrene|
|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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