Structural study on aromatic poly(amic n-alkyl ester)s and their derivatives by solid-state imidization (2) Effect of unremoved alkyl chains attached by ether linkage
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- Inomata Katsuhiro
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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- Shimomura Sachi
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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- Hasegawa Hiroyasu
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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- Ogiso Marika
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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- Sugimoto Hideki
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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- Nakanishi Eiji
- Faculty of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
書誌事項
- タイトル別名
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- Structural Study on Aromatic Poly(amic n-alkyl ester)s and Their Derivatives by Solid-State Imidization II. Effect of Unremoved Alkyl Chains Attached by Ether Linkage
- Effect of Unremoved Alkyl Chains Attached by Ether Linkage
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説明
Rodlike aromatic copolyamides (CoPA-8), in which some octyloxycarbonyl [H(CH2)8OC(=O)-] side chains of poly(amic octyl ester) (PA-8) were substituted by octyloxy [H(CH2)8O-] groups, were prepared. In CoPA-8, the octyl side chains were attached to the main chain by ether or ester linkage. Structure of CoPA-8 before and after thermal and chemical imidization was investigated, and the results were compared with PA-8. Before the imidization, CoPA-8 formed a layered structure with alternating main-chain and side-chain segregated layers. Because the ether linkage was stable against the imidization reaction, formation of imide ring occurred only at the monomer unit having octyloxycarbonyl group. After imidization at 300deg, the octyloxy groups were removed by thermal degradation, however, the layered structure was still maintained as suggested by wide-angle X-ray diffraction pattern. Effectiveness of the octyl chains attached by ether linkage in order to maintain the layered structure has been discussed.
収録刊行物
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- 繊維学会誌
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繊維学会誌 64 (10), 279-283, 2008
社団法人 繊維学会
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詳細情報 詳細情報について
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- CRID
- 1390282679841512832
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- NII論文ID
- 10021922548
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- NII書誌ID
- AN00131651
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- COI
- 1:CAS:528:DC%2BD1cXhtlCqtb3M
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- ISSN
- 18842259
- 00379875
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- NDL書誌ID
- 9679612
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDLサーチ
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- 抄録ライセンスフラグ
- 使用不可
