Quality Control of 3-Bromopropan-1-olIn 2021 ,《Ion Specific, Thin Film Confinement Effects on Conductivity in Polymerized Ionic Liquids》 appeared in Macromolecules (Washington, DC, United States). The author of the article were Zhao, Qiujie; Bennington, Peter; Nealey, Paul F.; Patel, Shrayesh N.; Evans, Christopher M.. The article conveys some information:
Acrylate-based polymerized ionic liquids (PILs) with ammonium (Am) or imidazolium (Im) cations and tetrafluoroborate (BF4) or bis(trifluoromethanesulfonyl)imide (TFSI) anions were synthesized and spin coated onto gold interdigitated electrodes on silica to investigate nanoconfinement effects on ion transport. The film thickness ranged from 23 to 313 nm. A significant reduction of the in-plane conductivity was observed in some PIL thin films with thickness below 100 nm. Specifically, Am BF4 PIL showed the largest conductivity drop (ca. 50% difference between a 22 nm and a 261 nm film) while Im TFSI PIL showed almost no change under confinement. The difference in conductivity drop is discussed in terms of (i) differences in interfacial layer thickness by fitting a two-layer conductivity model and (ii) potential changes in glass transition temperature (Tg) under confinement, which were estimated using the Vogel-Fulcher-Tammann fits of bulk conductivities. Decreasing film thickness also caused the dielec. loss peaks to shift to lower frequency, indicating that the ion diffusion process slowed under confinement. In the experimental materials used by the author, we found 3-Bromopropan-1-ol(cas: 627-18-9Quality Control of 3-Bromopropan-1-ol)
3-Bromopropan-1-ol(cas: 627-18-9) is used in the synthesis of fluorescent halide-sensitive quinolinium dyes, chiral, quaternary prolines through cyclization of quaternary amino acids and molten salt-polymers. It is utilized for the study of micellar media and in microemulsions based on cationic or a nonionic surfactant by reacting with phenols.Quality Control of 3-Bromopropan-1-ol
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