H1 and P31 NMR study of phosphoric acid-doped polybenzimidazole under controlled water activity

Keyphrases

• Phosphoric Acid 100%
• NMR Studies 100%
• Phosphoric Acid-doped Polybenzimidazoles 100%
• Water Activity 100%
• NMR Spectra 42%
• Liquid Solution 28%
• Free Acid 28%
• Pyro 28%
• Polymer Chain 14%
• Proton 14%
• Acid Solution 14%
• Ortho 14%
• 1H nuclear Magnetic Resonance (1H NMR) 14%
• NMR Techniques 14%
• Liquid Probe 14%
• Species Distribution 14%
• Characteristic Peak 14%
• Mobile Phase 14%
• Controlled Humidity 14%
• Chemical Shift 14%
• Polymer-bonded 14%
• Polybenzimidazole Membrane 14%
• 1-vinylimidazole 14%
• Acid Species 14%

Chemistry

• Phosphoric Acid 100%
• 31P NMR Spectroscopy 100%
• 31P NMR Spectrum 25%
• Polymer Chain 12%
• NMR Spectroscopy 12%
• 1H NMR Spectrum 12%
• Mobile Phase Composition 12%
• P31 12%
• Chemical Shift 12%