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  1. 学術雑誌掲載済論文
  2. 洋雑誌

New Solvents for Cellulose. II. Ethylenediamine/Thiocyanate Salt System

https://kitami-it.repo.nii.ac.jp/records/6842
4f38fc77-d0fa-4774-becb-b6076abd0ffb
名前 / ファイル ライセンス アクション
4496.pdf 4496.pdf (5.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-04-19
タイトル
言語 en
タイトル New Solvents for Cellulose. II. Ethylenediamine/Thiocyanate Salt System
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
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
著者 HATTORI, Kazuyuki

× HATTORI, Kazuyuki

WEKO 34564

en HATTORI, Kazuyuki

Search repository
ABE, Emiko

× ABE, Emiko

WEKO 34565

en ABE, Emiko

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YOSHIDA, Takashi

× YOSHIDA, Takashi

WEKO 34566

en YOSHIDA, Takashi

Search repository
CUCULO, John A.

× CUCULO, John A.

WEKO 34567

en CUCULO, John A.

Search repository
著者別名
姓名
姓名 服部, 和幸
言語 ja
著者別名
姓名
姓名 吉田, 孝
言語 ja
抄録
内容記述タイプ Abstract
内容記述 The ethylenediamine/thiocyanate salt system was found to be a new solvent for cellulose. The solubility, dissolution behavior, solution properties, and cellulose recovered from the solutions were investigated. The dissolution took place at room temperature, and the maximum solubility achieved was 16% (w/w) for cellulose of DP210 in the ethylenediamine/sodium thiocyanate 54/46 (w/w).The dependence of cellulose solubility on DP is also described. Tracing the dissolution behavior of the cellulose by CP/MAS ^<13>CNMR measurements revealed the polymorphic conversion of cellulose l to III to amorphous structure during the dissolution process. The cellulose dissolved was stable for 30 days storage at room temperature. Microscopic observations and steady-shear viscosity measurements of the solutions indicated mesophase formation of cellulose in the ethylenediamine/sodium thiocyanate system. This anisotrpoic phase appeared from ca.10% (w/w) cellulose with DP210 and greatly depended on the cellulose concentrations. Coagulation studies disclosed that cellulose II and amorphous cellulose were recovered from the cellulose/ethylenediamine/thiocyanate salt solutions when water and alcohol were used as a coagulant, respectively. It was suggested that this solvent system has high potential for cellulosic fiber and film formations.
書誌情報 Polymer Journal

巻 36, 号 2, p. 123-130, 発行日 2004-02
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://doi.org/10.1295/polymj.36.123
権利
権利情報 Society of Polymer Science, Japan, Kazuyuki Hattori, Emiko Abe, Takashi Yoshida and John A. Cuculo, Polymer Journal, 36(2), 2004, 123-130.
フォーマット
内容記述タイプ Other
内容記述 application/pdf
出版者
出版者 社団法人 高分子学会
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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