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このアイテムの引用には次の識別子を使用してください:
http://hdl.handle.net/10119/12980
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| タイトル: | Development of Microporous Structure and its Application to Optical Film for Cellulose Triacetate Containing Diisodecyl Adipate |
| 著者: | Shimada, Hikaru
Nobukawa, Shogo
Yamaguchi, Masayuki |
| キーワード: | Cellulose triacetate
Optical Film
Birefringence
Microporous structure
Blends |
| 発行日: | 2014-12-09 |
| 出版者: | Elsevier |
| 誌名: | Carbohydrate Polymers |
| 巻: | 120 |
| 開始ページ: | 22 |
| 終了ページ: | 28 |
| DOI: | 10.1016/j.carbpol.2014.11.056 |
| 抄録: | Phase separation in plasticized cellulose triacetate (CTA) films is investigated to produce a microporous film that can be used in optical devices. Hot-stretched CTA films containing diisodecyl adipate (DIDA) show negative orientation birefringence similar to the hot-stretched pure CTA. After extracting DIDA from the stretched films by immersion into an organic solvent, however, the films exhibit positive birefringence. Moreover, the magnitude of the birefringence increases with the wavelength, known as extraordinary dispersion, which is an essential property in the preparation of an ideal quarter-wave plate. Numerous ellipsoidal pores with micro-scale were detected in the film after the immersion, indicating that DIDA were segregated and formed ellipsoidal domains in the CTA matrix during annealing and stretching. These results indicate that extraordinary wavelength dispersion is given by the combinations of orientation birefringence from CTA and form birefringence from micropores. Furthermore, it was found that annealing time and stretching condition affect the phase separation as well as the shape and size of pores. |
| Rights: | Copyright (C)2014, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license (CC BY-NC-ND 4.0). [http://creativecommons.org/licenses/by-nc-nd/4.0/] NOTICE: This is the author's version of a work accepted for publication by Elsevier. Hikaru Shimada, Shogo Nobukawa, Masayuki Yamaguchi, Carbohydrate Polymers, 120, 2014, 22-28, http://dx.doi.org/10.1016/j.carbpol.2014.11.056 |
| URI: | http://hdl.handle.net/10119/12980 |
| 資料タイプ: | author |
| 出現コレクション: | c10-1. 雑誌掲載論文 (Journal Articles)
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