Morphology of poly(ethylene oxide) dissolved in a room temperature ionic liquid: a small angle neutron scattering study |
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Authors: | Triolo Alessandro Russina Olga Keiderling Uwe Kohlbrecher Joachim |
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Institution: | Istituto per i Processi Chimico-Fisici, Consiglio Nazionale delle Ricerche, via La Farina, 237 98123 Messina Italy. triolo@me.cnr.it |
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Abstract: | Solutions of deuterated poly(ethylene oxide) (d-PEO) in 1-butyl-3-methyl imidazolium tetrafluoroborate (bmim]BF4]), a prototype room-temperature ionic liquid (RTIL), have been studied at room temperature over a range of polymer concentrations, using small angle neutron scattering (SANS), characterizing the conformation of PEO dissolved in RTILs. bmim]BF4] behaves as a good solvent for d-PEO, which organizes in this solvent in non entangled random coils. These findings will help in optimizing the designing of microemulsions in these potentially environmentally friendly solvents. |
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