
TGA plots of OPBI nanocomposite membranes with (A) OKao
Polymer nanocomposites of poly (4,4′-diphenylether-5,5′-bibenzimidazole) (OPBI) were prepared with two structurally different organoclays, namely, montmorillonite (OMMT) and kaolinite …
Proton direct transport channels incorporated with protonated …
2024年11月15日 · The TBPP-X-OPBI crosslinked membrane exhibits elevated ADL and a profusion of secondary amines and imines within the porphyrin hyper-crosslinked structure, …
Improving the ohmic polarization of high-temperature proton …
2024年3月1日 · Abbreviations: DMAc = N, N-dimethylacetamide; OPBI = poly(4,4′-diphenylether-5,5′-bibenzimidazole); TGA = thermogravimetric analysis; XPS = X-ray photoelectron …
Application of polybenzimidazole as a panchromatic ultraviolet …
2019年1月10日 · In this study, polybenzimidazole (OPBI) with panchromatic UV absorption was prepared by solution polycondensation and then used as a light stabilizer to improve the UV …
朱广山/呼微/卢云峰等最新成果:提出质子传导新机制,破解高温 …
在本文中,朱广山、呼微、卢云峰等作者将 磷酸掺杂 的 多孔芳香骨架 (paf-6-pa)引入至 聚【2, 2′-(氧二亚苯基)-5, 5′-苯并咪唑】 (opbi)中,采用直接溶液浇铸法成功地制备出一种新型 paf …
含有功能性交联剂的交联聚苯并咪唑作为高温质子交换膜:增强的 …
通过傅里叶变换红外(FT-IR)光谱、扫描电子显微镜(SEM)、能量色散X射线(EDX)和热重分析(TGA)对复合膜进行了表征。 结果表明,PBI被交联剂成功交联,膜均匀致密,具有优异 …
聊聊最近很火的TGA(热重分析)检测 - 知乎 - 知乎专栏
热重分析 法(TGA)是在规定程序控制变化的温度范围内,测量被分析样品的重量相关量 (如质量、固体残留量或残留率等)随温度或时间的变化关系。 通过分析热重曲线,我们可以知道样品 …
Fabricating a MOF Material with Polybenzimidazole into an …
2020年7月10日 · The pristine OPBI, and MOF nanofiller loaded membranes were doped with phosphoric acid (PA) to prepare proton exchange membranes (PEMs). Use of thermally …
Performance of Quaternized Polybenzimidazole-Cross-Linked Poly ...
2020年12月7日 · They cross-linked bromomethylated poly(p-xylene) with poly(4,4′-diphenylether-5,5′-bibenzimidazole) (OPBI) and used trimethylamine as a quaternizing agent. Their results …
Symmetric sponge-like porous polybenzimidazole membrane …
2021年2月15日 · Here, a novel symmetric sponge-like porous poly [2,2’- (4,4′-oxybis (1,4-phenylene))-5,5′-bibenzimidazoles] (OPBI) membrane used for high temperature proton …