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- 吉江 尚子
- 東京大学生産技術研究所
書誌事項
- タイトル別名
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- Mending Ability of Network Polymers Loosely Cross-linked by Reversible Bonds
- カギャク ハンノウ ニ ヨリ ユルク カケハシ シタ ネットワークポリマー ノ シュウフクセイ
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抄録
Mending ability of network polymers with dynamic cross-links is described. The polymers are networked by thermo-reversible Diels-Alder (DA) reaction of furyl-telechelic prepolymers and tris-maleimide. Because of the moderate molecular weight of the prepolymers, the network polymer is only loosely cross-linked. The mending ability of the polymers is induced by the reversible formation of cross-links. To achieve this mechanism, two conditions are required: the molecular scission upon the material failure occurs at the DA adduct by the retro-DA reaction and the free furan and maleimide groups generated by the chains scission have mobility high enough to reform the DA adduct bridging the crack surfaces. When anthryl-telechelics is used in place of furyl-one, a tough self-mendable elastomer with higher thermal stability can be obtained.
収録刊行物
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- 日本ゴム協会誌
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日本ゴム協会誌 85 (8), 255-259, 2012
一般社団法人 日本ゴム協会
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詳細情報 詳細情報について
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- CRID
- 1390001206561355904
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- NII論文ID
- 10030700360
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- NII書誌ID
- AN00269207
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- COI
- 1:CAS:528:DC%2BC3sXhtFWhuw%3D%3D
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- ISSN
- 18840442
- 0029022X
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- NDL書誌ID
- 023874695
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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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- 抄録ライセンスフラグ
- 使用不可