Hygienic studies on the electrostatic properties of synthetic fiber clothing:Report 2 The influence of soiling on the electrostatic phenomenon by friction

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The effects of soiling of the inner surface of clothing by artificial sweat and carbon black on the electrostatic phenomenon were examined from the hygienic point of view, and the following results were obtained.1) When textiles were soiled by artificial sweat, no change was shown in the order of the static electricity of kanekalon and teviron, but the order of nylon, wool, cotton, vinylon, and tetoron shifted from positive to negative. With the increase of concentration of artificial sweat, this phenomenon was more obviously observed.2) When the clothing materials were worn, the order of the static electricity of the materials tended to shift to negative.3) The order of the static electricity of teviron, nylon, and cotton fell between vinylon and tetoron when the textiles were soiled by carbon black to the degree of 80% of soiling index 100×(R0-Rs)/R0; whereR0: the reflection factor of the unsoiled materialsRs: the reflection factor of the soiled materials)4) Upon soiling by artificial sweat and carbon black, the voltage of electrification tended to drop gradually with the increase of soiling.
日本衛生学会の論文