Regulation of mechanical properties and self-healing performance of polyurethane nanocomposites by tuning the contents of free and associated hydrogen bonds

Hydrogen bonds facilitate self-healing of polymers. However, free and associated hydrogen bonds have different effects on mechanical properties and self-healing performance. Here, both unmodified nano-silica (nano-SiO 2 ) and nano-SiO 2 modified by 2-ureido-4[1 H ]-pyrimidinone (UPy) and KH-550 (UK-...

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Veröffentlicht in:	Polymer chemistry 2024-01, Vol.15 (5), p.384-396
Hauptverfasser:	Zhang, Aofei, Huang, Qiaona, Du, Xiaoyu, Wang, Yinmao, Yang, Juan, Li, Sumin, Zhu, Maiyong, Nie, Yijing
Format:	Artikel
Sprache:	eng
Schlagworte:	Bonding strength Hydrogen bonds Mechanical properties Nanocomposites Polyurethane resins Self healing materials Silicon dioxide
Online-Zugang:	Volltext
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