The Gelation Ability and Morphology Study of Organogel System Based on Calamitic Hydrazide Derivatives

Table 1

Gelation properties^a of BNBC-, , 12, 14.

Solvent	BNBC-8	BNBC-12		BNBC-14
	State	State	CGC	State	CGC
Cyclohexane	I	I	—	I	—
Toluene	P	G	5.3 × 10^−3	G	6.7 × 10^−3
Benzene	P	G	8.2 × 10^−3	G	1.0 × 10^−2
Chloroform	P	G	1.3 × 10^−2	G	2.1 × 10^−2
Acetone	P	G	2.5 × 10^−2	G	4.8 × 10^−2
Methanol	P	P	—	P	—
DMSO	P	S	—	S	—

G: stable gel formed at room temperature; I: insoluble; P: precipitated; S: soluble; CGC: critical gelation concentration (mol/L), the minimum solute concentration necessary for gelation.