Journal
MACROMOLECULAR CHEMISTRY AND PHYSICS
Volume 211, Issue 13, Pages 1482-1487Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.200900523
Keywords
atom-transfer radical polymerization (ATRP); block copolymers; polysiloxanes; polystyrene (PS); reversible addition/fragmentation chain transfer (RAFT)
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Funding
- Bausch Lomb
- Center for Advanced Materials Processing (CAMP) at Clarkson University, a New York Center for Advanced Technology
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Amphiphilic ABCBA pentablock copolymers based on PVP, PS, and PDMS were synthesized using a combination of ATRP and RAFT polymerizations. The PVP-block-PS-block-PDMS-block-PS-block-PVP pentablock copolymer was characterized using a variety of chromatography and spectroscopic methods which showed that a high degree of end group and molecular weight control can be achieved. Preliminary analysis of the aqueous solution behavior of the pentablock copolymer showed that it self-assembles in water in order to shield the PDMS and PS segments from the water.
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