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A 10 wt% solution liquefied by vigorous shaking was rapidly gelated by standing - this sol-gel transition was reversible. The time for recovering the viscosity was dependent on the polyrotaxane concentration, i.e., a 10 Wt% Solution re,gelated within 30 s, whereas several hours were required for the gelation of a 2.5 wt% solution. The thixotropic nature of the Solution was also confirmed by the clockwise hysteresis Curve of the viscosity when the shear rate was increased and decreased. The gel permeation chromatography (GPC) measurement of the polyrotaxane in DMSO exhibited peaks in the high molecular weight region. The peak disappeared after the phenylcarbamoylation of polyrotaxane, suggesting that the peak was due to loose aggregations of polyrotaxane in DMSO. On the other hand, the DMSO solution of polyrotaxane prepared from CD and PEG with a molecular weight of 3350 whose inclusion ratio (51%) is slightly lower than that of PEG2000 polyrotaxane (72%) - neither demonstrated the abovementioned thixotropic viscosity nor the peak corresponding to the aggregations Occurring during the GPC measurement. The thixotropic behavior was speculated to be caused by the combined contribution of intermolecular attractive hydrogen bonding and higher rigidity of polyrotaxane prepared from PEG2000 than that of polyrotaxane prepared from PEG3350, presumably due to the higher inclusion ratio of the former than that of the latter. (C) 2007 Elsevier Ltd. All rights reserved."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Araki, J"}], "nameIdentifiers": [{"nameIdentifier": "35591", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ito, K"}], "nameIdentifiers": [{"nameIdentifier": "35592", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2015-09-28"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "thixotropic_viscosity_of_polyrotaxane.pdf", "filesize": [{"value": "964.7 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 964700.0, "url": {"label": "thixotropic_viscosity_of_polyrotaxane.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/11452/files/thixotropic_viscosity_of_polyrotaxane.pdf"}, "version_id": "8dd9b482-5993-4099-8027-9c394e839777"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Strongly thixotropic viscosity behavior of dimethylsulfoxide solution of polyrotaxane comprising alpha-cyclodextrin and low molecular weight poly(ethylene glycol)", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Strongly thixotropic viscosity behavior of dimethylsulfoxide solution of polyrotaxane comprising alpha-cyclodextrin and low molecular weight poly(ethylene glycol)", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1163"], "permalink_uri": "http://hdl.handle.net/10091/999", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-02-14"}, "publish_date": "2008-02-14", "publish_status": "0", "recid": "11452", "relation": {}, "relation_version_is_last": true, "title": ["Strongly thixotropic viscosity behavior of dimethylsulfoxide solution of polyrotaxane comprising alpha-cyclodextrin and low molecular weight poly(ethylene glycol)"], "weko_shared_id": -1}
Strongly thixotropic viscosity behavior of dimethylsulfoxide solution of polyrotaxane comprising alpha-cyclodextrin and low molecular weight poly(ethylene glycol)
http://hdl.handle.net/10091/999
http://hdl.handle.net/10091/999c2d913b4-d0a0-4e75-a3dd-7247091171b1
名前 / ファイル | ライセンス | アクション |
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thixotropic_viscosity_of_polyrotaxane.pdf (964.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-02-14 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Strongly thixotropic viscosity behavior of dimethylsulfoxide solution of polyrotaxane comprising alpha-cyclodextrin and low molecular weight poly(ethylene glycol) | |||||
言語 | ||||||
言語 | eng | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.polymer.2007.09.036 | |||||
関連名称 | 10.1016/j.polymer.2007.09.036 | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Araki, J
× Araki, J× Ito, K |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Araki, J | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.OmLejFkV.html | |||||
出版者 | ||||||
出版者 | ELSEVIER SCI LTD | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | POLYMER. 48(24): 7139-7144 (2007) | |||||
書誌情報 |
Polymer 巻 48, 号 24, p. 7139-7144, 発行日 2007-11-16 |
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資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0032-3861 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00776983 | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000251815100017 |