期刊
MACROMOLECULAR RESEARCH
卷 17, 期 4, 页码 227-231出版社
SPRINGER
DOI: 10.1007/BF03218684
关键词
humidity sensor; poly(amide-sulfone)s; polyelectrolytes; quaternary ammonium salt; water durability
资金
- Dankook University
New polyelectrolytes derived from poly(amide-sulfone)s and 1,5-dibromopentane were simultaneously fabricated on the electrode by the crosslinking reaction. The substrate was pretreated with a bromoalkyl-containing, silane-coupling agent to anchor the humidity-sensitive membrane to the substrate through the covalent bond. When the resistance dependence on the relative humidity of the crosslinked poly(amide-sulfone)s was measured, the resistance varied by three orders of magnitude between 20%RH and 90%RH, which was the required RH range for a humidity sensor operating at ambient humidity. Their water durability, long-term stabilities under various environments, hysteresis and response and recovery times were measured and evaluated as a humidity-sensing membrane.
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