Table 2: Gelation behaviors via acids with multialkyl substituent chains.

SolventsS-TriC12S-TriC14S-TriC16S-TriC18N-TriC12N-TriC14N-TriC16N-TriC18

AnilinePSG (1.5)G (2.0)G (2.5)PSPSPSG (2.5)
BenzeneSSSPSSPSPSI
AcetoneSPSIPSPSPSPSI
n-HexaneSPSPSPSPSPSPSI
TolueneSSSSSPSPSPS
PyridineSSSSSSSS
CyclopentanoneSSPSPSSSPSI
CyclohexanoneSSPSPSSPSPSI
NitrobenzeneSSPSG (2.0)PSPSPSG (2.5)
n-ButanolSSPSPSSPSPSS
EthanolaminePSPSPSPSPSPSPSPS
n-Butyl acrylateSSSPSSPSPSG (2.0)
1,4-DioxaneSSPSG (2.5)SPSPSG (2.5)
Petroleum etherPSPSPSPSSPSII
Ethyl acetateSSIPSPSPSPSPS
ChloroformSSSSSSPSS
DichloromethaneSSSSSSPSI
THFSSSSSSSPS
DMFSPSPSG (2.0)SPSPSG (2.0)
DMSOSSSSSSSS

DMF: dimethylformamide; THF: tetrahydrofuran; DMSO: dimethyl sulfoxide; S: solution; PS: partially soluble; G: gel; I: insoluble; for gels, the critical gelation concentrations at room temperature are shown in parentheses (% w/v).