Academic Journal
The Effect of the Axle End Structure and Number of Through‐Space Bonds on the Properties of Rotaxane Crosslinked Polymers
| العنوان: | The Effect of the Axle End Structure and Number of Through‐Space Bonds on the Properties of Rotaxane Crosslinked Polymers |
|---|---|
| المؤلفون: | Akae, Yosuke, Sawada, Jun, Nakajima, Ken, Takata, Toshikazu |
| المصدر: | Angewandte Chemie International Edition ; volume 62, issue 33 ; ISSN 1433-7851 1521-3773 |
| بيانات النشر: | Wiley |
| سنة النشر: | 2023 |
| المجموعة: | Wiley Online Library (Open Access Articles via Crossref) |
| الوصف: | A rotaxane crosslinker (RC) is known to toughen the resulting rotaxane crosslinked polymer (RCP) via a stress dispersion effect that is attributed to the movable nature of the crosslinking structure. To evaluate this toughening mechanism in detail, a series of structure‐definite RCs equipped with different axle end structures or different numbers of wheel components were synthesized, and subjected to free radical polymerization with a vinyl monomer to obtain RCPs. Analyses of the obtained RCPs revealed that the size of the axle end structure should be well‐balanced to produce a strong toughening effect, and a [3]rotaxane crosslinker works more effectively than [2]rotaxane to toughen RCPs. The mobility of the crosslinking points, in terms of rotational and flipping movements, was more crucial to toughening the RCP than that of translational movement along the axle. The first observation of the above crucial findings proved the utility of the systematic molecular design used in this study. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| DOI: | 10.1002/anie.202303341 |
| الاتاحة: | http://dx.doi.org/10.1002/anie.202303341 https://onlinelibrary.wiley.com/doi/pdf/10.1002/anie.202303341 |
| Rights: | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| رقم الانضمام: | edsbas.AC7570AB |
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