Premium
Hybrid Organic–Inorganic Colloidal Composite ‘Sponges’ via Internal Crosslinking
Author(s) -
Duncan Bradley,
Landis Ryan F.,
Jerri Huda A.,
Normand Valery,
Benczédi Daniel,
Ouali Lahoussine,
Rotello Vincent M.
Publication year - 2015
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201401753
Subject(s) - pickering emulsion , nanocomposite , materials science , chemical engineering , emulsion , nanoparticle , composite number , maleic anhydride , wetting , microparticle , copolymer , colloid , covalent bond , hybrid material , surface modification , polymer chemistry , nanotechnology , organic chemistry , polymer , composite material , chemistry , engineering
An effective method for the generation of hybrid organic–inorganic nanocomposite microparticles featuring controlled size and high structural stability is presented. In this process, an oil‐in‐water Pickering emulsion is formed using hydrophilic amine‐functionalized silica nanoparticles. Covalent modification using a hydrophobic maleic anhydride copolymer then alters nanoparticle wettability during crosslinking, causing a core‐shell to nanocomposite structural reorganization of the assemblies. The resulting porous nanocomposites maintain discrete microparticle structures and retain payloads in their oil phase even when incubated in competitive solvents such as ethanol.