Structure–function study of tertiary amines as switchable polarity solvents
AD Wilson, FF Stewart - RSC Advances, 2014 - pubs.rsc.org
A series of tertiary amines have been screened for their function as switchable polarity
solvents (SPS). The relative ratios of tertiary amine and carbonate species as well as
maximum possible concentration were determined through quantitative 1H and 13C NMR
spectroscopy. The viscosities of the polar SPS solutions were measured and ranged from
near water in dilute systems through to gel formation at high concentrations. The van't Hoff
indices for SPS solutions were measured through freezing point depression studies as a …
solvents (SPS). The relative ratios of tertiary amine and carbonate species as well as
maximum possible concentration were determined through quantitative 1H and 13C NMR
spectroscopy. The viscosities of the polar SPS solutions were measured and ranged from
near water in dilute systems through to gel formation at high concentrations. The van't Hoff
indices for SPS solutions were measured through freezing point depression studies as a …
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