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Direct Electrospinning of Cellulose Acetate onto Polyurethane Sheet and Effect of Its Saponification on Mechanical Properties

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Title: Direct Electrospinning of Cellulose Acetate onto Polyurethane Sheet and Effect of Its Saponification on Mechanical Properties
Authors: Ali, Md. Momotaz Browse this author
Pakkang, Nutthira Browse this author
Taira, Shogo Browse this author
Koda, Keiichi Browse this author →KAKEN DB
Itoyama, Koki Browse this author
Uraki, Yasumitsu Browse this author →KAKEN DB
Keywords: Electrospinning
cellulose acetate
polyurethane (PU) sheet
lamination
tribology test
Issue Date: 25-May-2019
Publisher: Taylor & Francis
Journal Title: Journal of wood chemistry and technology
Volume: 39
Issue: 4
Start Page: 282
End Page: 295
Publisher DOI: 10.1080/02773813.2019.1590416
Abstract: This article reports on direct electrospinning of water-soluble cellulose acetate (WSCA) and cellulose diacetate (CDA) onto a non-conductive synthetic polymer sheet such as polyurethane (PU) sheet to modify its surface morphology. The direct electrospinning was successfully performed after spraying an anti-static agent on the PU sheet. Furthermore, tight fixation of the fibers was achieved by spraying a dimethylformamide/ethanol (1/1) solution during the spinning. Finally, the cellulose acetate fibers on the PU sheet were converted to regenerated cellulose fibers by saponification. Changes in surface morphology were evaluated via tribology tests. The friction coefficient of the PU sheet significantly decreased with increases in the amount of deposited fiber, thereby suggesting that the PU sheet surface became smoother. After saponification, the friction coefficients of the sheets slightly increased, with the exception of the PU sheet with the increased amount of saponified WSCA fibers, and this was potentially attributed to changes in the elasticity upon saponification.
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Wood Chemistry and Technology on 25 May 2019, available online: http://www.tandfonline.com/10.1080/02773813.2019.1590416
Type: article (author version)
URI: http://hdl.handle.net/2115/78824
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 幸田 圭一

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