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Rheology of SiO2/(Acrylic Polymer/Epoxy) Suspensions. I. Linear Viscoelasticity
http://hdl.handle.net/10098/2491
http://hdl.handle.net/10098/249100affff0-90de-4567-957d-1fde50f0b40e
名前 / ファイル | ライセンス | アクション |
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BD00006744_001.pdf (159.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-09-28 | |||||
タイトル | ||||||
タイトル | Rheology of SiO2/(Acrylic Polymer/Epoxy) Suspensions. I. Linear Viscoelasticity | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dynamic viscoelasticity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sol-gel transition | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Critical gel point | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Critical exponent | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | SiO2 suspension | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_1843 | |||||
資源タイプ | other | |||||
著者 |
Uematsu, Hideyuki
× Uematsu, Hideyuki× Aoki, Yuji× Sugimoto, Masataka× Koyama, Kiyohito |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Linear viscoelastic properties of SiO2/(AP/EP) suspension with various SiO2 volume fractions (φ) in a blend of acrylic polymer (AP) and epoxy (EP) were investigated at various temperatures (T). The AP/EP contained 70 vol% of EP. The SiO2 particles were treated with epoxy silane coupling agent. The effects of the SiO2 particles are more pronounced in the terminal zone: a transition from viscoelastic liquid (φ 〓 30 vol %) to viscoelastic solid (φ 〓 40 vol %) was observed which can be interpreted as a critical gelation occurring at a critical particle content and critical gel temperature. The SiO2/(AP/EP) systems exhibited a critical gel behavior at φ 〓 35 vol % and T 〓 100 °C characterized with a power-law relationship between the storage and loss moduli (G′ and G″) and frequency (ω); G′ = G″/tan(nπ/2) ∝ ωn. The critical gel exponent (n) was estimated to be about 0.45. The gelation occurred with increasing T. | |||||
書誌情報 |
Rheologica Acta 巻 49, 号 3, p. 299-304, 発行日 2010 |
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出版者 | ||||||
出版者 | Dr. Dietrich Steikopff | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 354511 | |||||
書誌レコードID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | TD00006744 | |||||
著者版フラグ | ||||||
出版タイプ | AO | |||||
出版タイプResource | http://purl.org/coar/version/c_b1a7d7d4d402bcce |