The values of critical micelle concentration (CMC) decrease and the micelle ionization degree (a) increase when the the number of carbon (S) of the spacer increase for C12CsC12Br2 sieries Gemini surfactants.

• 对于Gemini表面活性剂C_(12)C_sC_(12)Br_2来说，随着联接基团spacer碳原子个数的增加，临界胶束浓度(CMC)变小，胶束离子化度增大。