1. Fabrication of Self-Healable Magnetic Nanocomposites via Diels−Alder Click Chemistry.
- Author
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Lee, Yi-Huan, Zhuang, Yan-Nian, Wang, Hsin-Ta, Wei, Ming-Feng, Ko, Wen-Chi, Chang, Wei-Jen, Way, Tun-Fun, and Rwei, Syang-Peng
- Subjects
CLICK chemistry ,MULTIWALLED carbon nanotubes ,SMART materials ,SELF-healing materials ,HYBRID systems ,FERRIC oxide - Abstract
In this study, we report a novel approach to fabricate an organic/inorganic magnetic hybrid system capable of self-healing, wherein a polycaprolactone-poly(furfuryl glycidyl ether) copolymer (PCLF) serving as the structure template was first synthesized, followed by the incorporation of iron oxide nanoparticles-decorated multiwalled carbon nanotubes (IONPs-MWCNTs) and 1,1′-(methylenedi-4,1-phenylene)bismaleimide (BMI) into the polymer matrix to form a covalently crosslinked hybrid network via a Diels−Alder (DA) reaction. For this system, the reactive combination of diene and dienophile from furan/maleimide, MWCNT/furan, and MWCNT/maleimide could facilely induce multiple DA reactions that imparted a versatile route to efficiently introduce IONPs-MWCNTs into the organic polymer hosts, resulting in a uniform distribution of IONPs-MWCNTs that led to a hybrid system with superparamagnetic properties. Beside the magnetic behavior, such material synergistically exhibited a superior ability for healing scratch defects via a retro-DA reaction. Therefore, this crosslinked PCLF/BMI/IONPs-MWCNTs hybrid system which exhibits multifunctional properties including superparamagnetic behavior and self-repairability can serve as an intelligent material for developing advanced electromagnetic applications. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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