Microgels are soft particles that consist of chemically cross-linked three-dimensional polymer networks.Touted as smart materials,they have attracted much research attention in the study of physics and chemistry of soft matter as well as in applied fields.Although the behavior of microgel particles in bulk dispersions has been extensively studied,there have been few reports aimed at improving understanding of their interactions and monolayer structure when adsorbed at liquid interfaces.Due partly to their ability to stabilize droplets in emulsions,leading to so-called Picketing emulsions,there has been a substantial increase in interest in this field during the past few years.
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