The Journal of Silk Science and Technology of Japan
Online ISSN : 1881-1698
Print ISSN : 1880-8204
ISSN-L : 1880-8204
Treatise
The influence of the tensility in the manufacturing process on the physical properties of the silk fabrics
Fujie HaishimaTomohiko HananouchiAkira KuriokaMasaaki OkajimaMiho AmakataKaho Suzuki
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2020 Volume 28 Pages 107-117

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Abstract

  To investigate the influence of cocoon filament characteristics in the production of silk fabrics, raw silk with reeling tension of less than 0.4 gf/d (LT) was used to produce a low-reeling-tension silk fabric (LTF). For comparison, silk fabric using high-reeling-tension raw silk (HT) was also produced (HTF).

  We observed the raw silk with a scanning electron microscope, and examined the shape of the thread and the mechanical and heat transfer properties of the silk fabrics. We also investigated the influence of the raw silk reeling tension on the physical properties of the silk fabrics. The LT exhibited voids, the arrangement of the cocoon filament was uneven, and crimps and curling were detected in the cocoon filament. We confirmed that the shape of these threads was preserved in the LTF. The air permeability of LTF was large compared to that of the HTF, and the glossiness value was low. Shearing was difficult, and the LTF recovery characteristics were low in comparison with the HTF. In addition, the LTF was harder to shear, its recovery characteristics were low, when compared to the shearing properties of LTF containing HTF, and its surface was more uneven than that of the HTF. Both the q-max values and thermal conductivity were less in the LTF than the HTF, suggesting that there was little heat movement in the LTF. It was revealed that the shape of the thread had an influence on these silk fabric properties.

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© 2020 by The Japanese Society of Silk Science and Technology
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