The micellar shuttle: thermoreversible, intact transfer of block copolymer micelles between an ionic liquid and water |
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Authors: | He Yiyong Lodge Timothy P |
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Institution: | Department of Chemistry, University of Minnesota, Minneapolis, MN 55455, USA. |
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Abstract: | Poly(1,2-butadiene-block-ethylene oxide) (PB-PEO) block copolymer micelles are found to partition reversibly between an ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate (BMIM]PF6]) and water, thereby functioning as micellar shuttles controlled simply by temperature. The micelle size and structure are preserved during this reversible phase transfer. This phenomenon offers a simple means to transport chemicals back and forth between two immiscible phases. |
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