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- Ishikawa Hiroya
- Department of Polymer Science and Engineering, Faculty of Textile Science, Kyoto Institute of Technology
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- Itoh Takashi
- Department of Polymer Science and Engineering, Faculty of Textile Science, Kyoto Institute of Technology
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- Hashimoto Masato
- Department of Polymer Science and Engineering, Faculty of Textile Science, Kyoto Institute of Technology
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- Fujiwara Susumu
- Department of Polymer Science and Engineering, Faculty of Textile Science, Kyoto Institute of Technology
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抄録
Temperature dependence of crystal structures is examined with X-ray diffraction at normal pressure or elevated pressures for solution-grown nylons with octamethylene moiety between amino or carboxy groups (nylons 82, 410, 610, 810). Although octamethylene moiety between amino groups has the potential to cause the phase transition, the low melting point veils the transition appearance. Considering this comprehensively with previous results, it is concluded for all even–even nylons, that the phase transition in the two-dimensional methylene layer system can be experimentally observed only in nylon 6Y (Y≤8) crystals at normal and/or high pressures, where the hexamethylene moiety between amino groups plays an intrinsic role. The so-called ‘Brill transition’ widely reported for melt-crystallized nylons is not a phase transition but an abrupt thermal expansion.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 73 (2), 303-306, 2004
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679164635904
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- NII論文ID
- 110001954729
- 210000105142
- 130004538672
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2004JPSJ...73..303I
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 6856109
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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
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可