Phase separation of binary polymer mixtures under an electric field

Hironobu Hori, Osamu Urakawa, Okimichi Yano, Qui Tran-Cong-Miyata

研究成果: Contribution to journalArticle査読

14 被引用数 (Scopus)

抄録

Time evolution of phase separation under an AC electric field was studied for poly(2-chlorostyrene)/poly(vinyl methyl ether) blends containing 0.5 wt % lithium perchlorate (LiClO4) near the critical point. We observed anisotropic morphologies with the interfaces aligned parallel to the direction of the field between two electrodes. The degree of anisotropy (D) was quantitatively evaluated by image analysis of the resulting morphology observed with an optical-phase contrast microscope. We found that D increased at the beginning of the phase separation and tended to reach an equilibrium state, while the characteristic length scale ξ of the morphology increased monotonically with time according to a power law ξ - tα.

本文言語英語
ページ(範囲)389-394
ページ数6
ジャーナルMacromolecules
40
2
DOI
出版ステータス出版済み - 1 23 2007

All Science Journal Classification (ASJC) codes

  • 有機化学
  • ポリマーおよびプラスチック
  • 無機化学
  • 材料化学

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