Microphase-separated structure and dynamic viscoelastic properties of polyurethanes elastomers prepared at various temperatures and cross-linking agent contents

Ken Kojio, Shun Matsumura, Takuya Komatsu, Shuhei Nozaki, Suguru Motokucho, Mutsuhisa Furukawa, Kohji Yoshinaga

研究成果: ジャーナルへの寄稿記事

抄録

The relationship between a microphase-separated structure and dynamic viscoelastic properties of polyurethane elastomers (PUEs) prepared at various temperatures and cross-linking agent contents were investigated. The PUEs were synthesized with poly(oxytetramethylene) glycol (PTMG), 4,4'-diphenylmethane diisocyanate (MDI) and 1,4-butanediol (BD) and a mixture of BD and 1,1,1-trimethylol propane (TMP) by a prepolymer method. The PUEs are in the strong-segregation limit. The microphase-separated structure was investigated using Fourier-transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), small-angle x-ray scattering (SAXS) and atomic force microscope (AFM). The extent of microphase separation of the PUEs became stronger and weaker with increases in curing temperature and trifunctional TMP content, respectively. The consistent results obtained in this study would be quite helpful to design the desirable PUEs.

元の言語英語
ページ(範囲)143-149
ページ数7
ジャーナルNihon Reoroji Gakkaishi
42
発行部数2
DOI
出版物ステータス出版済み - 1 1 2014
外部発表Yes

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Elastomers
Polyurethanes
elastomers
Propane
propane
Temperature
temperature
prepolymers
diisocyanates
Microphase separation
Glycols
x ray scattering
curing
Fourier transform infrared spectroscopy
Curing
glycols
Differential scanning calorimetry
Microscopes
heat measurement
infrared spectroscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

これを引用

Microphase-separated structure and dynamic viscoelastic properties of polyurethanes elastomers prepared at various temperatures and cross-linking agent contents. / Kojio, Ken; Matsumura, Shun; Komatsu, Takuya; Nozaki, Shuhei; Motokucho, Suguru; Furukawa, Mutsuhisa; Yoshinaga, Kohji.

:: Nihon Reoroji Gakkaishi, 巻 42, 番号 2, 01.01.2014, p. 143-149.

研究成果: ジャーナルへの寄稿記事

Kojio, Ken ; Matsumura, Shun ; Komatsu, Takuya ; Nozaki, Shuhei ; Motokucho, Suguru ; Furukawa, Mutsuhisa ; Yoshinaga, Kohji. / Microphase-separated structure and dynamic viscoelastic properties of polyurethanes elastomers prepared at various temperatures and cross-linking agent contents. :: Nihon Reoroji Gakkaishi. 2014 ; 巻 42, 番号 2. pp. 143-149.
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AU - Matsumura, Shun

AU - Komatsu, Takuya

AU - Nozaki, Shuhei

AU - Motokucho, Suguru

AU - Furukawa, Mutsuhisa

AU - Yoshinaga, Kohji

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