《Wormlike micelles with a unique ladder shape formed by a C22-tailed zwitterionic surfactant bearing a bulky piperazine group》 was written by Han, Yugui; Wang, Yefei; Meng, Xianghai; Wang, Qiuxia; Han, Xiaodong. Application In Synthesis of 1-MethylpiperazineThis research focused onzwitterionic surfactant wormlike micelle zero shear viscosity surface tension. The article conveys some information:
Wormlike micelles (WLMs) have been successfully constructed from many different C22-tailed surfactants. Here, we creatively introduced a bulky piperazine group onto a C22-tailed zwitterionic surfactant, N-erucamidopropyl-N,N-piperazine-N-Me ammonium propanesulfonate (EDPS), and investigated the micellar structure and properties of the EDPS WLMs via mol. dynamics simulation, cryo-TEM and rheol. techniques. It was found that 25 mM EDPS increased the zero-shear viscosity to as high as ~106 mPa s. Furthermore, abnormal rheol. behaviors, such as an inflection in the shear thinning region of steady rheol. and an abrupt decrease of the shear stress at a critical shear rate, were observed, which was attributed to the unique ladder shape micellar structure. The EDPS WLMs were superior to other C22-tailed surfactants in many aspects, such as a low overlapping concentration, higher viscosity, stable viscosity over the whole pH range, and great temperature and salt (NaCl, CaCl2 and MgCl2) tolerance. In the part of experimental materials, we found many familiar compounds, such as 1-Methylpiperazine(cas: 109-01-3Application In Synthesis of 1-Methylpiperazine)
1-Methylpiperazine(cas: 109-01-3) can be used as mimic template in the preparation of molecularly imprinted microspheres (MIMs). It was also used to prepare the difunctional strong anion-exchange stationary phase from a 1,4-diazacyclohexane derivative..Application In Synthesis of 1-Methylpiperazine
Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics