JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES
Online ISSN : 1884-6599
Print ISSN : 0037-2072
ISSN-L : 0037-2072
Comparison of Static Electricity Between Silk and Polyester Kimono in the Course of Walking.
Part 2 : Examination of Static Electricity by Wearing Test on Human Subject
Chishiko TakatsukiTeruko Tamura
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JOURNAL FREE ACCESS

1993 Volume 34 Issue 9 Pages 466-473

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Abstract

In a previous paper the factors affecting static electricity of kimono were examined by using a newly developed walking instrument. Following this, the similar wearing tests were conducted on 10 healthy female subjects under the conditions of air temperature of 20°C, 30%RH and at an air velosity of less than 0.2m/s. The fabrics of kimono examined consisted of silk, regular polyester and antistatic polyester.
The regular polyester kimono showed the highest static charge (6.0kV) of all the examined materials, while the antistatic polyester showed the lowest (less than 1.0kV) and the silk kimono showed the middle value (2.0kV) of them. The result was highly correlated with the previous result obtained on the instrument. The static charge of the silk kimono of the wearing test, however, was relatively decreased from that of the instrumental test. The reason should be due to the absorption property of the silk which works more effectively to the insensible perspiration from the human skin than the non-absorptive polyester fiber.
Static electricity of the human body ranged from 0 to 0.075kV which was much lower than those of the kimono because of the large static electrical capasity of the human body compared to that of the kimono fabric. The static electricity of the human body measured after 107mwalk showed negative correlation (r=-0.975) with those of kimono when simultaneously measured at 10cm high from the kimono's bottom.

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