Polymeric Nanocapsule from Silica Nanoparticle@Cross-linked Polymer Nanoparticles via One-Pot Approach

Abstract

A facile strategy was developed here to prepare cross-linked polymeric nanocapsules (CP nanocapsules) with silica nanoparticles as templates. The silica nanoparticle@cross-linked polymer nanoparticles were prepared by the encapsulation of the silica nanoparticles by the one-pot approach via surface-initiated atom transfer radical polymerization of hydroxyethyl acrylate in the presence ofN,N′-methylenebisacrylamide as a cross-linker from the initiator-modified silica nanoparticles. After the silica nanoparticle templates were etched with hydrofluoric acid, the CP nanocapsules with particle size of about 100 nm were obtained. The strategy developed was confirmed with Fourier transform infrared, thermogravimetric analysis and transmission electron microscopy.

Functionalized meso/macro-porous single ion polymeric electrolyte for applications in lithium ion batteries

“…The post-polymerized template, which contains a polystyrene/DVB membrane, was immersed in a HF solution for seven days to ensure clean etching of the SiO 2 particles and glass plates. [40][41][42] The HF treated cross-linked porous membrane was washed with distilled water thoroughly and dried. The graing of the sulfonyl(phenylsulfonyl)imide group on the porous membrane was done in two steps.…”

Fabrication of Thermoresponsive Cross-Linked Poly(N-isopropylacrylamide) Nanocapsules and Silver Nanoparticle-Embedded Hybrid Capsules with Controlled Shell Thickness

“…To further improve the structural stability of hollow polymeric nanocapsules, the covalent cross-linking approach has been introduced in combination with the surface-initiated CRP from core templates. − A three-step approach has been typically employed. Relatively uniform polymer layers bearing reactive functionalities were grafted at the surface of nanoparticles via surface-initiated CRP at first, the polymer layer was then covalently cross-linked; in the final step, the core templates were removed via physical or chemical treatments to afford hollow polymeric nanocapsules.…”

Design of Controllable-structured Polymeric Nanocapsules via SI-ATRP from Colloidal Templates

“…enebisacrylamide (MBA) as crosslinker from the initiator-modified silica nanoparticles. After removal of the colloidal cores, the crosslinked polymeric shells were remained to form the crosslinked polymeric nanocapsules [71].…”