Organic–Inorganic Hybrid Hollow Spheres Prepared from TiO<sub>2</sub>‐Stabilized Pickering Emulsion Polymerization

Chen, Tao; Colver, Patrick J.; Bon, Stefan Antonius Franciscus

doi:10.1002/adma.200602447

Cited by 377 publications

(278 citation statements)

References 23 publications

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“…A shift of interest in the area of Pickering suspension polymerization towards the morphologies of the polymerized emulsion droplets was reported by Bon and coworkers [93][94][95][96]. They demonstrated that microgels of poly(methyl methacrylateco-divinylbenzene) could be used to stabilize emulsion droplets composed of various monomers, i.e., styrene, DVB, and n-butylacrylate [93].…”

Section: Polymerization Of Emulsion Droplets Armored With Inorganic Nmentioning

confidence: 99%

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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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Section: Polymerization Of Emulsion Droplets Armored With Inorganic Nmentioning

confidence: 99%

“…150 nm in diameter) armored microspheres and capsules made via Pickering suspension polymerization of styrene and DVB. For the capsules hexadecane was used as non-solvent for the polymer [95]. Upon polymerization, the polymer phase-separated at the interface of the droplet.…”

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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“…So-called Pickering emulsion polymerization has been exploited to produce a range of microcapsules. [43][44][45] Poly(methyl methacrylate) particles have been adsorbed around monomer droplets containing styrene and divinylbenzene and subsequently used as mini-reaction vessels for copolymerization from within the droplet phase. 43 This led to the formation of colloidosomes of 5 to 30 µm diameter reinforced by solid cross-linked polystyrene cores.…”

Section: Polymerization After Pickering Emulsion Formationmentioning

confidence: 99%

Colloidosomes: Synthesis, properties and applications

Thompson

Williams

Armes

2015

Journal of Colloid and Interface Science

197

174

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Colloidosomes represent a rapidly expanding field with various applications in microencapsulation, including the triggered release of cargoes. With self-assembled shells comprising colloidal particles, they offer significant flexibility with respect to microcapsule functionality. This review explores the various types of particles and techniques that have been employed to prepare colloidosomes. The relative advantages and disadvantages of these routes are highlighted and their potential as microcapsules for both small molecule and macromolecular actives is evaluated.

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“…As a solution, one can force polymer and inorganic phases to interact at a molecular level and upscale the physical properties of the ultimate composite material (7,8). A standard technique for hybrid organic-inorganic material formation uses either hollow particles (9)(10)(11) or capsules (12,13). Due to their ability to encapsulate versatile functional cargos; these methods gained wide applications in catalysis (14), drug-delivery systems (15,16), biology (17), coatings (18,19), and so on.…”

Section: Introductionmentioning

confidence: 99%

Morphology control of silica/poly(methyl methacrylate-co-styrene) hybrid nanoparticles via multiple-miniemulsion approach

Nazarabady

Farzi

2016

E-Polymers

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An appropriate approach has been used for the preparation of silica/P(MMA-co-St) hybrid nanoparticles through converting previously prepared inverse miniemulsions into a direct miniemulsion and consequently, using the droplet nucleation polymerization technique. In the early stage of the procedure, silica particles were synthesized from TEOS in the presence of NH 4 OH or HCl as a catalyst through a base or acid-catalyzed sol-gel process. TEOS, ethanol and tirmethoxyvinylsilan were mixed in MMA:St (50:50) to create the inverse miniemulsion I, similarly CTAB, NH 4 OH/HCl and distilled water were dispersed into MMA:St (50:50) and called inverse miniemulsion II. Then, the two mentioned inverse miniemulsions were emulsified in water to achieve direct miniemulsion. The nature of the catalyst and TEOS concentration varied, for the aims of investigation, their effect on the morphology and size of hybrid nanoparticles. This route provided a unique process for silica/polymer hybrid nanoparticles production, avoiding organic solvents. Transmission electron microscopy micrographs revealed that, the morphology of the hybrid nanoparticles can be controlled by the nature of the catalyst.

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Organic–Inorganic Hybrid Hollow Spheres Prepared from TiO₂‐Stabilized Pickering Emulsion Polymerization

Cited by 377 publications

References 23 publications

Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles

Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles

Colloidosomes: Synthesis, properties and applications

Morphology control of silica/poly(methyl methacrylate-co-styrene) hybrid nanoparticles via multiple-miniemulsion approach

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Organic–Inorganic Hybrid Hollow Spheres Prepared from TiO2‐Stabilized Pickering Emulsion Polymerization

Cited by 377 publications

References 23 publications

Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles

Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles

Colloidosomes: Synthesis, properties and applications

Morphology control of silica/poly(methyl methacrylate-co-styrene) hybrid nanoparticles via multiple-miniemulsion approach

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Product

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Organic–Inorganic Hybrid Hollow Spheres Prepared from TiO₂‐Stabilized Pickering Emulsion Polymerization