Controllable synthesis of monodisperse nonspherical colloidal particles with cavity structures

Sun, Yangyi; Zhang, Hua; Han, Weichang; Huang, Huajun; Qi, Dongming

doi:10.1002/pola.29429

Cited by 4 publications

(2 citation statements)

References 48 publications

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“…Dimpled polymer particles have been conveniently prepared via various polymerization techniques, either seeded polymerization [ 53–93 ] or one‐step polymerization. [ 94–108 ] In most cases, the polymerization recipe involves the use of a cross‐linker (e.g., divinylbenzene (DVB)) or a comonomer that can form rigid shell during polymerization (e.g., 3‐(trimethoxysilyl)propyl methacrylate (TPM)).…”

Section: Dimpled Polymer Particlesmentioning

confidence: 99%

“…In this strategy, dimpled particles are usually prepared by one-step copolymerization of the monomers. Various polymerization techniques including emulsion polymerization, [84][85][86][87] surfactant-free emulsion polymerization, [88][89][90][91][92][93] miniemulsion polymerization, [94,95] dispersion polymerization [96][97][98][99][100][101][102][103][104][105][106][107] have been employed. We are also aware that there is a special example on synthesis of bowl-shaped polydopamine nanocapsules by solution polymerization.…”

Section: One-step Polymerizationmentioning

confidence: 99%

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Synthetic Strategies for Polymer Particles with Surface Concavities

Zou

2022

Macromol. Rapid Commun.

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Over the past decade or so, there has been increasing interest in the synthesis of polymer particles with surface concavities, which mainly include golf ball‐like, dimpled and surface‐wrinkled polymer particles. Such syntheses generally can be classified into direct polymerization and post‐treatment on preformed polymer particles. This review aims to provide an overview of the synthetic strategies of such particles. Some selected examples are given to present the formation mechanisms of the surface concavities. The applications and future development of these concave polymer particles are also briefly discussed.

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Section: Dimpled Polymer Particlesmentioning

confidence: 99%

Section: One-step Polymerizationmentioning

confidence: 99%

Synthetic Strategies for Polymer Particles with Surface Concavities

Zou

2022

Macromol. Rapid Commun.

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Linear growth of colloidal dumbbells into three-lobed polymer nanoparticles mediated by a gradient in surface wettability

Monteiro

Wittemann

2023

Colloid Polym Sci

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Anisotropy is a deciding factor in determining the hydrodynamics and self-assembly of colloidal particles. Linking particle morphology to said behaviors promoted the development of strategies to obtain anisotropic particles exhibiting defined shapes and symmetries. Dumbbell-shaped polymer particles made by phase separation during seeded polymerization are prominent examples. Phase separation among monomer and seed particle yields a liquid protrusion of monomer on the seed. This protrusion is then polymerized, becoming solid and yielding a solid spherical lobe. When this process is performed with spherical seeds, two-lobed particles, known as colloidal dumbbells, are obtained. Repeating this process of lobe formation one or more times could pave the way to tailored particle morphologies. Given the higher degree of anisotropy, multi-lobed particles can expand the rich phase behavior already found for dumbbells. We propose a new route in making anisotropic polymer particles by directing phase separation in a linear direction, thus permitting linear growth. Colloidal particles composed of three individual polymer lobes with the potential for site-specific modifications are obtained. Triggering of the phase separation is done complementary to prior efforts in fabricating three-lobed polymer particles based on cross-linked precursor particles. We will show that tailored surface properties of anisotropic seed particles can prove as an effective tool not only to promote the monomer-polymer phase separation, but also to guide it in a linear direction. Such gradients in surface functionalization open perspectives for making polymer colloids on a large scale in whose custom-tailored shapes their phase behavior and superstructure formation are already established. Graphical Abstract

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Fabrication of monodisperse asymmetric polystyrene particles by crosslinking regulation in seeded emulsion polymerization

Meng

Qiu

2020

Polymer

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Controllable synthesis of monodisperse nonspherical colloidal particles with cavity structures

Cited by 4 publications

References 48 publications

Synthetic Strategies for Polymer Particles with Surface Concavities

Synthetic Strategies for Polymer Particles with Surface Concavities

Linear growth of colloidal dumbbells into three-lobed polymer nanoparticles mediated by a gradient in surface wettability

Fabrication of monodisperse asymmetric polystyrene particles by crosslinking regulation in seeded emulsion polymerization

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