Synthesis of a Novel Gemini Cationic Surfactant and Its Inhibition Behaviour and Mechanism Study on 2024 Al-Cu-Mg Alloy in Acid Solution

Table 1

cmc of conventional and gemini surfactants.

Surfactants	cmc/mmol·	References
C12H25N^+(CH3)3 Cl^-	22	[34]
C12H25N^+(CH3)3 Br^-	16	[34]
C4H8(C12H25N^+Me2 Br^-)2	1.09	[35]
C6H12(C12H25N^+Me2 Br^-)2	1.01	[35]
C12H25N^+(CH3)2-CH2-CH(OH)-CH2-N(CH3)-CH2-CH(OH)-CH2-(CH3)2N^+C12H25 2Cl^-	0.99	[15]
C12H25N^+(CH3)2-CH2-CH(OH)-CH2-N(CH(CH3)2)-CH2-CH(OH)-CH2-(CH3)2N^+C12H25 2Cl^- (synthetic product)	0.92	/
C12H25N^+(CH3)2-CH2-CH(OH)-CH2-N(C12H25)-CH2-CH(OH)-CH2-(CH3)2N^+C12H25 2Cl^-	0.0062	[15]