Molecular watchmaking: ab initio Emulsion polymerization by RAFT-controlled self-assembly

Sprong, Ewan, Leswin, Joost S. K., Lamb, David J., Ferguson, Christopher J., Hawkett, Brian S., Pham, Binh T. T., Nguyen, Duc, Such, Christopher H., Serelis, Algirdas K. and Gilbert, Robert G. (2006). Molecular watchmaking: ab initio Emulsion polymerization by RAFT-controlled self-assembly. In: D. Jhurry, Polymers for Africa. 8th UNESCO/IUPAC Conference on Macromolecules - Polymers for Africa, Reduit, Mauritius, (84-93). 4-9 June 2005. doi:10.1002/masy.200590028

Author Sprong, Ewan
Leswin, Joost S. K.
Lamb, David J.
Ferguson, Christopher J.
Hawkett, Brian S.
Pham, Binh T. T.
Nguyen, Duc
Such, Christopher H.
Serelis, Algirdas K.
Gilbert, Robert G.
Title of paper Molecular watchmaking: ab initio Emulsion polymerization by RAFT-controlled self-assembly
Conference name 8th UNESCO/IUPAC Conference on Macromolecules - Polymers for Africa
Conference location Reduit, Mauritius
Conference dates 4-9 June 2005
Proceedings title Polymers for Africa   Check publisher's open access policy
Journal name Macromolecular Symposia   Check publisher's open access policy
Place of Publication New York, NY, USA
Publisher Wiley
Publication Year 2006
Sub-type Fully published paper
DOI 10.1002/masy.200590028
ISSN 0258-0322
Editor D. Jhurry
Volume 231
Start page 84
End page 93
Total pages 9
Language eng
Formatted Abstract/Summary
Controlled radical polymerization using RAFT has the potential to make polymers with virtually any desired molecular architecture. For this to be implemented on an industrial scale, it must be performed by polymerization in disperse media. However, simply adding a RAFT agent to a conventional emulsion polymerization recipe leads to a loss of molecular weight control and formation of coagulum, probably because of nucleation in droplets, which is normally an unlikely phenomenon in emulsion polymerizations. Recently, a method has been devised for implementing RAFT in ab initio emulsion polymerization that avoids droplets in the particle formation stage. The molecular weight distribution of the polymer thus formed shows that molecular weight control is maintained throughout the polymerization. A model is developed to predict the particle size formed in this new type of emulsion polymerization. The new methodology enables synthesis of novel dispersions where molecular architecture can be precisely controlled, such as structured core-shell particles.
Keyword controlled radical polymerization
emulsion polymerization
particle size
surface coatings
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Conference Paper
Collections: ERA 2012 Admin Only
School of Chemistry and Molecular Biosciences
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Created: Mon, 07 Mar 2011, 15:57:58 EST