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在伪三组分相图上,从水角至醇角能存在连续单相微乳液区域的AS/n-C_4H_9OH/n-C_5H_12/H_2O体系,由电导率测量,表明其单相区域可分为三个小区域:W/O,IZ,O/W。阳离子型表面活性剂CTMAB的加入,使得IZ及部分O/W、W/O区域消失,而转变为宏观乳状液,并且阴离子型表面活性剂对阳离子型微乳液稳定性的影响,比阳离子型表面活性剂对阴离子型微乳液的影响大得多。不同溶液结构微乳液的生成与阳、阴离子型表面活性剂复配的影响,可从微乳液的混合膜生成理论中得到解释。
In the pseudo-three-component phase diagram, AS / n-C_4H_9OH / n-C_5H_12 / H_2O system can exist in the continuous single-phase microemulsion region from water angle to alcohol angle. The conductivity measurement shows that the single phase region can be divided into Three small areas: W / O, IZ, O / W. The addition of cationic surfactant CTMAB led to the disappearance of IZ and some O / W and W / O regions, which changed to macroscopic emulsions. The effect of anionic surfactant on the stability of cationic microemulsion was stronger than that of cationic surface The effect of the active agent on the anionic microemulsion is much greater. The effect of different solution structure microemulsion formation and the combination of cationic and anionic surfactants can be explained from the theory of mixed membrane formation of microemulsion.