Journal of Technology
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Study data from Charles University update understanding of polymer research
March 9th, 2010
"H-1 and C-13 NMR spectroscopies were applied to investigate phase separation in solutions of poly(N-isopropylmethacrylamide) (PIPMAm) in D2O/ethanol (EtOH) mixtures induced by solvent composition (cononsolvency) and temperature. Effects of EtOH content in D2O/EtOH mixtures and temperature on the appearance and extent of the phase separation were characterized," researchers in Prague, Czech Republic report.
"Differences in mesoglobules formed during the phase separation induced by cononsolvency and temperature were found. For temperature-induced phase separation, C-13 spin-spin relaxation times showed that besides the free EtOH expelled from the PIPMAm mesoglobules, there...
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Source: Journal of Technology (2010-03-09)