Stress Oscillations in Co-Solvent Nanoparticle–Polymer Suspensions Subjected to Constant Shear Rate
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- Yamamura Masato
- Department of Applied Chemistry, Kyushu Institute of Technology
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- Koga Hiroaki
- Department of Applied Chemistry, Kyushu Institute of Technology
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- Mawatari Yoshihide
- Department of Applied Chemistry, Kyushu Institute of Technology
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- Kage Hiroyuki
- Department of Applied Chemistry, Kyushu Institute of Technology
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説明
We examined the shear stress in toluene-based suspensions of titanium dioxide nanoparticles/poly(vinylacetate) subjected to constant shear rates. The stress exhibited periodic oscillations at shear rates in a certain range. The amplitude of these oscillations first increased and then decreased with increasing ethanol concentration in the suspensions, indicating a transient stress response that was tunable by utilizing the solvent composition. In the oscillation mode, the suspensions showed a viscoelastic, shear-thickening behavior. The composition-dependent stress oscillation is discussed on the basis of hydrodynamic and depletion attractions among the particles.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 46 (7), 430-433, 2013
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204568788864
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- NII論文ID
- 10031188014
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- NII書誌ID
- AA00709658
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 025553483
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可