微細化羽毛粉末の湿度センサーへの応用

概要

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In this study, assessment was made of the humidity-sensing application of a fine powder prepared from chicken feathers (Feather powder : FP)using piezoelectric quartz crystals (QC). Commercially available 8 MHz quartz crystals coated with FP were used to measure relative humidity. Based on increase in water content, the moisture adsorption of FP was found to depend on changes in humidity. FP-coated QC had a rapid and sufficient responce in the frequency change that depended on relative humidity. The humidity-sensitive characteristics of FP may be due to the relatively macrofibrous structure. Exposure of keratin outside of the FP particle by grinding may cause the hydrophilic properties to become manifest in very fine FP under 5 fμm and this may be related to humidity sensitivity.
社団法人日本農芸化学会の論文
1996-01-01