テルペン化合物の羊毛への収着挙動

概要

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Sorption isotherms of eight kinds of terpenoids on Merino wool fiber in the temperature range 60℃-105℃ were measured with the inverse gas chromatography. All of the isotherms appeared to be BET III type. These isotherms were analysed in terms of BET equation with two parameters, monolayer content, N_m and adsorptive energy factor, C. The BET plots gave straight lines for all terpenoids. For myrcene and citronellol, N_m values were 5.6×10^<-5> g/g and 8.2×10<-5> g/g, respectively and C values were about 2. For other six terpenoids, N_m values were in the order of 10^<-4> g/g and C values were 0.3-1. For all terpenoids, N_m values were constant in the temperature range. These results indicate that the terpenoids are adsorbed on the adsorptive sites on the wool surface in the ratio of the area, ca. 10^<-5>, with adsorptive energies 1-3 kj/mol higher or lower than the liquefaction energies, and then condense.
東京聖栄大学の論文
1995-12-20