Facile fabrication of nanocomposite microspheres with polymer cores and magnetic shells by Pickering suspension polymerization

Wang, Chaoyang; Zhang, Chengjin; Yu, Li; Chen, Yunhua; Tong, Zhen

doi:10.1016/j.reactfunctpolym.2009.06.003

Cited by 81 publications

(33 citation statements)

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“…Magnetic Fe 3 O 4 nanoparticle-decorated PS microspheres were prepared by Wang et al [123] Chen and co-workers used a similar strategy to prepare different particle-decorated polymer latexes. [124][125][126][127] Weitz and co-workers prepared responsive raspberry-like complex colloids with tunable permeability by covering the surface of temperature-sensitive microgels with colloidal particles.…”

Section: Pickering Emulsion Polymerizationmentioning

confidence: 99%

Synthesis of Nano/Microstructures at Fluid Interfaces

et al. 2010

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The generation of novel multifunctional materials with hierarchical ordering is a major focus of current materials science and engineering. For such endeavors, fluid interfaces, such as air-liquid and liquid-liquid interfaces, offer ideal platforms where nanoparticles or colloidal particles can accumulate and self-assemble. Different assembly processes and reactions have been performed at fluid interfaces to generate hierarchical structures, including two-dimensional crystalline films, colloidosomes, raspberry-like core-shell structures, and Janus particles, which lead to broad applications in drug delivery and controlled release, nanoelectronics, sensors, food supplements, and cosmetics.

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Section: Pickering Emulsion Polymerizationmentioning

confidence: 99%

Synthesis of Nano/Microstructures at Fluid Interfaces

et al. 2010

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“…A variety of other nanoparticles have been used in Pickering suspension polymerizations, including magnetic Fe 3 O 4 [98][99][100] and CdS nanoparticles stabilized by poly(ethylene glycol-block-styrene-block-2-(dimethylamino) ethyl methacrylate) [101].…”

Section: Polymerization Of Emulsion Droplets Armored With Inorganic Nmentioning

confidence: 99%

Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles

Teixeira

Bon

2010

Hybrid Latex Particles

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In this chapter, we will highlight conceptual physical approaches towards the fabrication of nanocomposite polymer latexes in which each individual latex particle contains one or more "hard" nanoparticles, such as clays, silicates, titanates, or other metal(oxides). By "physical approaches" we mean that the "hard" nanoparticles are added as pre-existing entities, and are not synthesized in situ as part of the nanocomposite polymer latex fabrication process. We will narrow our discussion to focus on physical methods that rely on the assembly of nanoparticles onto the latex particles after the latex particles have been formed, or its reciprocal analogue, the adhesion of polymer onto an inorganic nanoparticle. First, will discuss the phenomenon of heterocoagulation and its various driving forces, such as electrostatic interactions, the hydrophobic effect, and secondary molecular interactions. We will then address methods that involve assembly of nanoparticles onto or around the more liquid precursors (i.e., swollen/growing latex particles or monomer droplets). We will focus on the phenomenon of Pickering stabilization. We will then discuss features of particle interaction with soft interfaces, and see how the adhesion of particles onto emulsion droplets can be applied in suspension, miniemulsion, and emulsion polymerization. Finally, we will very briefly mention some interesting methods that make use of interface-driven templating for making well-defined assembled clusters and supracolloidal structures.

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“…Because of the intrinsic magnetic properties, magneto-polymeric materials (MPM) are easy to handle and therefore they can be applied, as for example, in the automation of analytical equipment, allowing for rapid separation and stabilization of the nanoparticles. In addition, MPM can also undergo chemical functionalization, which enables their use as specific ligands for immunoassays, sequencing of nucleic acids, cells, microorganisms and others [40]. In the biomedical field, the polymeric materials presenting bifunctionality are commonly used in applications such as cell separation, drug delivery systems, proteins and enzymes carriers, immunology and purification of nucleic acids [41].…”

Section: Introductionmentioning

confidence: 99%