Dynamics of the phase separation in a thermoresponsive polymer: accelerated phase separation of stereo-controlled poly(N,N-diethylacrylamide) in water

• Matsumoto, Mitsuhiro

• Tada, Takanori

• Asoh, Taka-Aki

• Shoji, Tatsuya

• Nishiyama, Takashi

• Horibe, Hideo

• Katsumoto, Yukiteru

• Tsuboi, Yasuyuki

Abstract

We studied the dependence on tacticity of the dynamic phase separation behavior of thermoresponsive poly(N,N-diethylacrylamide) (PDEA) in an aqueous solution. Using a laser temperature-jump technique combined with transient photometry, we determined the time constants of the phase separation, and found that both atactic and isotactic-rich PDEAs had fast and slow phase separation processes (τ_fast and τ_slow). The fast process (τ_fast) was independent of the tacticity irrespective of the concentration....

Journal

• Langmuir

  Langmuir 34 (45), 13690-13696, 2018-10-26

  ACS Publications

Keywords

• 温度応答性高分子
• 相分離ダイナミクス
• レーザー温度ジャンプ法
• 立体規則性
• コイル-グロビュール相転移
• Thermoresponsive polymer
• Phase separation dynamics
• Laser T-jump technique
• Tacticity
• Coil-to-globule phase transition

Details

• CRID: 1050002213394976384
• NII Article ID: 120006764233
• NII Book ID: AA12097264
• ISSN: 15205827
• ISSN: 07437463
• DOI: 10.1021/acs.langmuir.8b02848
• Web Site: https://dlisv03.media.osaka-cu.ac.jp/il/meta_pub/G0000438repository_15205827-34-45-13690
• Web Site: https://pubs.acs.org/doi/pdf/10.1021/acs.langmuir.8b02848
• Text Lang: en
• Article Type: journal article
• Data Source:
  • IRDB
  • Crossref
  • CiNii Articles
  • KAKEN