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首页> 外文期刊>Journal of Applied Polymer Science >High-mechanical-strength ferrohydrogels with a magnetically dispersed phase as multifunctional crosslinkers
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High-mechanical-strength ferrohydrogels with a magnetically dispersed phase as multifunctional crosslinkers

机译：具有磁性分散相的高机械强度铁水凝胶作为多功能交联剂

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In this article, we report a facile strategy for preparing high-mechanical-strength ferrohydrogels containing magnetic nanoparticles homodispersed by a thermodynamically stable Pickering emulsion (PE). After the monomers were mixed with the PE, including methacryloxy propyl trimethoxyl silane emulsified by ferric oxide (Fe2O3) nanoparticles as the dispersed phase, hydrogels were synthesized by free-radical polymerization. In contrast to conventional hydrogels crosslinked by a molecular crosslinker, in our new approach, the magnetic PE particles served as individual, multifunctional crosslinkers. Characterizations of the swelling behavior, the mechanical properties, and other properties indicated that our ferrohydrogels exhibited outstanding physical performances that were superior to those of traditional hydrogels and magnetic responsiveness. These ferrohydrogels may have applications in soft and controllable actuators. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41950.
机译：在本文中，我们报告了一种制备高机械强度铁水凝胶的简便策略，该铁水凝胶包含被热力学稳定的Pickering乳液（PE）均匀分散的磁性纳米颗粒。在将单体与PE混合后，包括用三氧化二铁（Fe2O3）纳米粒子乳化的甲基丙烯酰氧基丙基三甲氧基硅烷作为分散相，通过自由基聚合合成水凝胶。与通过分子交联剂交联的常规水凝胶相反，在我们的新方法中，磁性PE颗粒充当了单个的多功能交联剂。溶胀行为，机械性能和其他性能的表征表明，我们的铁水凝胶表现出优异的物理性能，优于传统水凝胶和磁响应性。这些铁水凝胶可应用于柔软且可控制的致动器中。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41950。

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