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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

Divining the shape of nascent polymer crystal nuclei

http://hdl.handle.net/2237/00031571
9b59dbf6-1ce7-4b78-a20f-a03e42ddd3a7
名前 / ファイル ライセンス アクション
1_5123983.pdf 1_5123983 (3.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-03-10
タイトル
タイトル Divining the shape of nascent polymer crystal nuclei
著者 Hall, Kyle Wm.

× Hall, Kyle Wm.

WEKO 96456

Hall, Kyle Wm.

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Sirk, Timothy W.

× Sirk, Timothy W.

WEKO 96457

Sirk, Timothy W.

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Percec, Simona

× Percec, Simona

WEKO 96458

Percec, Simona

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Klein, Michael L.

× Klein, Michael L.

WEKO 96459

Klein, Michael L.

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Shinoda, Wataru

× Shinoda, Wataru

WEKO 96460

Shinoda, Wataru

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権利
権利情報 Copyright 2019 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.The following article appeared in (The Journal of Chemical Physics. v.151, n.14, 2019, p.144901) and may be found at (http://dx.doi.org/10.1063/1.5123983).
抄録
内容記述 We demonstrate that nascent polymer crystals (i.e., nuclei) are anisotropic entities with neither spherical nor cylindrical geometry, in contrast to previous assumptions. In fact, cylindrical, spherical, and other high symmetry geometries are thermodynamically unfavorable. Moreover, postcritical transitions are necessary to achieve the lamellae that ultimately arise during the crystallization of semicrystalline polymers. We also highlight how inaccurate treatments of polymer nucleation can lead to substantial errors (e.g., orders of magnitude discrepancies in predicted nucleation rates). These insights are based on quantitative analysis of over four million crystal clusters from the crystallization of prototypical entangled polyethylene melts. New comprehensive bottom-up models are needed to capture polymer nucleation.
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2020-10-14
内容記述タイプ Other
出版者
出版者 AIP Publishing
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
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.5123983
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0021-9606
書誌情報 The Journal of Chemical Physics

巻 151, 号 14, p. 144901, 発行日 2019-10-14
著者版フラグ
値 publisher
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