| Item type |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2007-04-19 |
| タイトル |
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タイトル |
New Solvents for Cellulose. II. Ethylenediamine/Thiocyanate Salt System |
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言語 |
en |
| 言語 |
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|
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 |
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|
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
ABE, Emiko
YOSHIDA, Takashi
CUCULO, John A.
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| 著者別名 |
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識別子Scheme |
WEKO |
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識別子 |
44875 |
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識別子Scheme |
KAKEN |
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識別子URI |
https://nrid.nii.ac.jp/ja/nrid/1000020333669 |
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識別子 |
20333669 |
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|
姓名 |
服部, 和幸 |
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言語 |
ja |
| 著者別名 |
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識別子Scheme |
WEKO |
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識別子 |
44876 |
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識別子Scheme |
KAKEN |
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識別子URI |
https://nrid.nii.ac.jp/ja/nrid/1000040166955 |
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識別子 |
40166955 |
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姓名 |
吉田, 孝 |
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言語 |
ja |
| 抄録 |
|
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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
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| DOI |
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識別子タイプ |
DOI |
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関連識別子 |
http://doi.org/10.1295/polymj.36.123 |
| 権利 |
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|
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 |
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内容記述タイプ |
Other |
|
内容記述 |
application/pdf |
| 出版者 |
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|
出版者 |
社団法人 高分子学会 |
|
言語 |
ja |
| 著者版フラグ |
|
|
言語 |
en |
|
値 |
publisher |
| 出版タイプ |
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|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
4496.pdf (5.4 MB)
