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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Melt rheology of tadpole-shaped polystyrenes with different ring sizes

http://hdl.handle.net/2237/0002000042
http://hdl.handle.net/2237/0002000042
d4ab37ca-43ef-4db4-9f2d-71e8e95b83cc
名前 / ファイル ライセンス アクション
20200731-Tadpole2-tiff.pdf 20200731-Tadpole2-tiff.pdf (568 KB)
Item type itemtype_ver1(1)
公開日 2021-05-18
タイトル
タイトル Melt rheology of tadpole-shaped polystyrenes with different ring sizes
言語 en
著者 Doi, Yuya

× Doi, Yuya

en Doi, Yuya

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Takano, Atsushi

× Takano, Atsushi

en Takano, Atsushi

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Takahashi, Yoshiaki

× Takahashi, Yoshiaki

en Takahashi, Yoshiaki

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Matsushita, Yushu

× Matsushita, Yushu

en Matsushita, Yushu

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 tadpole-shaped polymer
キーワード
主題Scheme Other
主題 ring polymer
キーワード
主題Scheme Other
主題 melt rheology
キーワード
主題Scheme Other
主題 ring-linear threading
キーワード
主題Scheme Other
主題 retraction model
内容記述
内容記述 In this study, linear melt rheology of a single-tail tadpole-shaped polystyrene, ST-30/80, having ring and linear sizes of MR ∼ 30 kg mol^−1 and ML ∼ 80 kg mol^−1, respectively, was examined, and the effect of the ring size on rheological properties of tadpole polymers was discussed by comparing with the data of the previously reported tadpole samples having MR ∼ 60 kg mol^−1. ST-30/80 exhibits an entanglement plateau and shows a clearly slower terminal relaxation than that of its component ring and linear polymers. When the zero-shear viscosity η0 for ST-30/80 is plotted against the molecular weight of a linear tail chain, the data point lies on the single curve of η0 for 4- and 6-arm star polymers and the single-tail tadpoles with MR ∼ 60 kg mol^−1. These results suggest that the tadpole molecule in this study spontaneously forms a characteristic entanglement network, i.e., the intermolecular ring–linear threading, in the same manner as the previous tadpole samples, even though the size of the ring part is just slightly larger than the entanglement molecular weight (i.e., MR ∼ 1.8Me).
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Royal Society of Chemistry
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1039/D0SM01098G
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1744-683X
書誌情報 en : Soft Matter

巻 16, 号 37, p. 8720-8724, 発行日 2020-10-07
ファイル公開日
日付 2021-10-07
日付タイプ Available
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