Viscoelasticity of Aluminum Neutralized Telechelic Poly(ethylene butylene) Ionomer
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- Atiqur Rahman Syed
- Department of Molecular and Material Sciences, IGSES, Kyushu University
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- Nemoto Norio
- Department of Molecular and Material Sciences, IGSES, Kyushu University
書誌事項
- タイトル別名
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- Viscoelasticity of Aluminium Neutralized Telechelic Poly(ethylene butylene) Ionomer
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The associative and mechanical properties of aluminium neutralized telechelic poly(ethylene butylene) ionomer, CTPEB-Al, in a nonpolar solvent of decalin were studied from very dilute solution up to the bulk with rheological methods and IR spectroscopy. Dilute solution viscometry revealed that CTPEB-Al molecules are associated in very dilute solution as their smallest associating structural unit made of three CTPEB chains and two aluminium tricarboxylate bonds [(COO−)3Al3+ : ATC bond]. These smallest associating units are further associated into larger aggregates with increasing polymer concentration C and form viscoelastic networks above C=7 wt%. The viscoelasticity and IR data reveal that in the low concentration range from 7 wt% to 12 wt%, CTPEB-Al chains are associated with each other in such a way that they form pretty long network strands with or without branches as dangling chains that act as elastically effective chains as a whole. In the networks with C ≥ 70 wt%, however, most of the ATC bonds and ion clusters act as effective crosslinking points so that almost 90% chains become elastically effective in the bulk state. <br>
収録刊行物
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- 日本レオロジー学会誌
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日本レオロジー学会誌 31 (4), 219-227, 2003
一般社団法人 日本レオロジー学会
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詳細情報 詳細情報について
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- CRID
- 1390282680068589312
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- NII論文ID
- 10029815364
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- NII書誌ID
- AN00198812
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- ISSN
- 21864586
- 03871533
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- NDL書誌ID
- 6690317
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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
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