Low-Melting, Low-Viscous, Hydrophobic Ionic Liquids: Aliphatic Quaternary Ammonium Salts with Perfluoroalkyltrifluoroborates
作者:Zhi-Bin Zhou、Hajime Matsumoto、Kuniaki Tatsumi
DOI:10.1002/chem.200400817
日期:2005.1.7
A novel class of low-melting, hydrophobic ionic liquids based on relatively small aliphatic quaternary ammonium cations ([R(1)R(2)R(3)NR](+), wherein R(1), R(2), R(3) = CH(3) or C(2)H(5), R = n-C(3)H(7), n-C(4)H(9), CH(2)CH(2)OCH(3)) and perfluoroalkyltrifluoroborate anions ([R(F)BF(3)](-), R(F) = CF(3), C(2)F(5), n-C(3)F(7), n-C(4)F(9)) have been prepared and characterized. The important physicochemical
基于相对较小的脂族季铵阳离子([R(1)R(2)R(3)NR](+)的新型一类低熔点疏水离子液体,其中R(1),R(2), R(3)= CH(3)或C(2)H(5),R = nC(3)H(7),nC(4)H(9),CH(2)CH(2)OCH(3 ))和全氟烷基三氟硼酸根阴离子([R(F)BF(3)](-),R(F)= CF(3),C(2)F(5),nC(3)F(7),nC( 4)F(9))已经制备并表征。已经确定了这些盐的重要物理化学和电化学性质,包括熔点,玻璃化转变,粘度,密度,离子电导率,热和电化学稳定性,并与基于相应的[BF(4)](-)的那些进行了比较研究。和[(CF(3)SO(2))(2)N](-)盐。讨论了季铵阳离子和全氟烷基三氟硼酸根([R(F)BF(3)](-))阴离子中的结构变化对上述理化性质的影响。这些盐大多数在25摄氏度时为液体,并且粘度低(在25摄氏度时为58-210