Relationship between film thickness and chain structure of ultrathin polyurethane films

Yoshitaka Mitsui, Yusuke Uchiba, Suguru Motokucho, Ken Kojio, Mutsuhisa Furukawa

研究成果: 会議への寄与タイプ論文

抄録

Polyurethanes (PUs) with three hard segment contents (20, 34 and 45 wt%) were synthesized with poly(oxytetramethylene) glycol (PTMG), 4,4′-diphenylmethane diisocyanate (MDI) and 1,4-butanediol (BD) by a prepolymer method. PU thin and ultrathin films were prepared onto a hydrophilic silicon wafer by a spin coating method. The change in microphase separation of PU thin and ultrathin films was investigated by Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and grazing incidence small angle x-ray scattering (GISAXS) measurement as a function of film thickness. Microphase-separated structure was clearly observed for all PU films, in which the hard segment domains were surrounded by the soft segment matrix. With decreasing film thickness, interdomain spacing between hard segment domains decreased. This seems to be simply related to a decreasing space. For the first time, we successfully obtained the experimental data, which the phase-separated domain size decreased with decreasing film thickness.

元の言語英語
ページ3371-3372
ページ数2
出版物ステータス出版済み - 12 1 2006
イベント55th Society of Polymer Science Japan Symposium on Macromolecules - Toyama, 日本
継続期間: 9 20 20069 22 2006

その他

その他55th Society of Polymer Science Japan Symposium on Macromolecules
日本
Toyama
期間9/20/069/22/06

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Polyurethanes
Film thickness
Ultrathin films
Thin films
Microphase separation
Spin coating
Glycols
Silicon wafers
Fourier transform infrared spectroscopy
Atomic force microscopy
X ray photoelectron spectroscopy
Scattering
X rays

All Science Journal Classification (ASJC) codes

  • Engineering(all)

これを引用

Mitsui, Y., Uchiba, Y., Motokucho, S., Kojio, K., & Furukawa, M. (2006). Relationship between film thickness and chain structure of ultrathin polyurethane films. 3371-3372. 論文発表場所 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 日本.

Relationship between film thickness and chain structure of ultrathin polyurethane films. / Mitsui, Yoshitaka; Uchiba, Yusuke; Motokucho, Suguru; Kojio, Ken; Furukawa, Mutsuhisa.

2006. 3371-3372 論文発表場所 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 日本.

研究成果: 会議への寄与タイプ論文

Mitsui, Y, Uchiba, Y, Motokucho, S, Kojio, K & Furukawa, M 2006, 'Relationship between film thickness and chain structure of ultrathin polyurethane films' 論文発表場所 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 日本, 9/20/06 - 9/22/06, pp. 3371-3372.
Mitsui Y, Uchiba Y, Motokucho S, Kojio K, Furukawa M. Relationship between film thickness and chain structure of ultrathin polyurethane films. 2006. 論文発表場所 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 日本.
Mitsui, Yoshitaka ; Uchiba, Yusuke ; Motokucho, Suguru ; Kojio, Ken ; Furukawa, Mutsuhisa. / Relationship between film thickness and chain structure of ultrathin polyurethane films. 論文発表場所 55th Society of Polymer Science Japan Symposium on Macromolecules, Toyama, 日本.2 p.
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