Dong, Dawei; Xiao, Yafei; Zhang, Minghua; Yang, Zhaojie; Wang, Ke; Fan, Minmin published an article in International Journal of Hydrogen Energy. The title of the article was 《Crosslinked anion exchange membranes with regional intensive ion clusters prepared from quaternized branched polyethyleneimine/quaternized polysulfone》.Product Details of 930-36-9 The author mentioned the following in the article:
A series of anion exchange membranes (AEMs) with regionally dense ion clusters are prepared by crosslinking quaternized polysulfone (QPSU) with quaternized branched polyethyleneimine (QBPEI). For the as-prepared QPSU/QBPEI AEMs, the hydrophilic QBPEI forms locally aggregated ion clusters in the QPSU matrix, which can promote the formation of an obvious microphase separation structure in the membrane. The QPSU/QBPEI-3 AEM with an ion exchange capacity of 1.88 meq/g exhibits the best performance, achieving a reasonably high ionic conductivity of 66.14 mS/cm at 80°C and showing good oxidation stability and alkali resistance. Finally, the maximum power d. of a single H2/O2 fuel cell with QPSU/QBPEI-3 AEM reaches 75.34 mW/cm2 at 80°C. The above results indicate that QBPEI with a dendritic structure and abundant anionic conductive groups has a good application prospect in the preparation of AEMs with locally aggregated ion clusters and microphase separation structures. The results came from multiple reactions, including the reaction of 1-Methylpyrazole(cas: 930-36-9Product Details of 930-36-9)
1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Product Details of 930-36-9
Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics