The value CAC/CMC, ratio of the critical aggregation concentration (CAC) to the critical micelle concentration (CMC), decreases with the increase of the chain length and the interaction strength between the polymer chain and surfactant.

• 临界聚集浓度(CAC)与临界胶束浓度(CMC)的比值CAC/CMC随高分子链长的增大和相互吸引作用的增强而减小.