材料科学
化学工程
聚合
自愈水凝胶
水溶液
分散聚合
原位
原位聚合
高分子化学
自由基聚合
聚合物
色散(光学)
单体
过硫酸铵
丙烯酸
沉淀聚合
聚丙烯酰胺
作者
Chen Honggui,Xiang Zhang,Ziyu Lin,Rui Zhang,Bingran Yu,Yang Li,Fu-Jian Xu
标识
DOI:10.1002/marc.202100028
摘要
Hydrogels with improved mechanical properties can expand to a greater range of applications. The fabrication of conventional toughened hydrogels typically requires precise modifications, multiple components, and complex steps. Here, a straightforward one-step polymerization method for the in situ preparation of hydrogels in aqueous solutions, is reported. Inspired by polymerization-induced self-assembly (PISA), water-miscible monomers are copolymerized during the hydrogel fabrication; the growing blocks eventually form physical bridges thus providing a mechanism for effective energy dissipation. The rheological and mechanical properties are evaluated and the results reveal that this strategy can be an effective approach to design mechanically enhanced hydrogels for a wide range of applications.
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