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Updated: Jun 23, 2026
Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers
Published on: June 20, 2019
Preparation of crosslinked polymeric nanocapsules by surface-initiated self-condensing vinyl polymerization on silica
Bin Mu1, Ruoping Shen, Peng Liu
1State Key Laboratory of Applied Organic Chemistry and Institute of Polymer Science and Engineering, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
Abstract:
We developed a process to fabricate crosslinked polymeric nanocapsules with about 10-40 nm hollow cores. These crosslinked polymeric nanocapsules were fabricated via the surface-initiated self-condensing vinyl polymerization (SI-SCVP) of p-chloromethyl styrene (CMS) from initiator modified silica nanoparticles with atom transfer radical polymerization (ATRP) technique. The silica templates were removed by HF etching to produce the crosslinked polymeric nanocapsules after the grafted hyperbranched polymers had been crosslinked. Transmission electron microscopy (TEM) was used to characterize the products and to demonstrate that the polymeric nanospheres were hollow. FTIR spectroscopy showed that the silica templates were completely removed by etching.
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