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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

Characterization of critical gel state of polyamides by viscoelastic, thermal, and IR measurements

http://hdl.handle.net/2237/00030582
http://hdl.handle.net/2237/00030582
8010136c-2cad-4887-9c6c-9904fe31e773
名前 / ファイル ライセンス アクション
Jan7_RheoActa_fin.pdf Jan7_RheoActa_fin (654.9 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-08-08
タイトル
タイトル Characterization of critical gel state of polyamides by viscoelastic, thermal, and IR measurements
言語 en
著者 Hirayama, Takaya

× Hirayama, Takaya

WEKO 92882

en Hirayama, Takaya

Search repository
Uneyama, Takashi

× Uneyama, Takashi

WEKO 92883

en Uneyama, Takashi

Search repository
Masubuchi, Yuichi

× Masubuchi, Yuichi

WEKO 92884

en Masubuchi, Yuichi

Search repository
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
権利
言語 en
権利情報 “This is a post-peer-review, pre-copyedit version of an article published in [Rheologica Acta]. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00397-019-01136-0”.
キーワード
主題Scheme Other
主題 Viscoelasticity
キーワード
主題Scheme Other
主題 Gelation
キーワード
主題Scheme Other
主題 Rheology
キーワード
主題Scheme Other
主題 Semi-crystalline polymers
抄録
内容記述 We examined the liquid-solid transition for polyamides (PA) 6, 66, and 610 by the Chambon-Winter method under cooling. The polyamides exhibited the transition via the critical gel, for which the critical exponent and the stiffness were consistent with those reported under the isothermal measurements for the other polymers. The DSC measurements showed that, for a few materials, the crystallinity at the gelation φgel was very small. This result implies that the hydrogen bonding partially stabilizes the critical gel of such polyamides. The FT-IR measurements demonstrated that the hydrogen bonding was formed cooperatively around the gelation temperature. However, we also found that with increasing the molecular weight, the gelation temperature decreased and φgel increased for PA6. Besides, φgel was smaller for PA66 and PA610 than that for PA6. The mechanism is unknown for these results that locate in the opposite side to the suggested role of hydrogen bonding.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2020/05/01
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Springer
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
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s00397-019-01136-0
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0035-4511
書誌情報 en : Rheologica Acta

巻 58, 号 5, p. 281-290, 発行日 2019-05
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