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Crosslinkable Composite Spheres and Capsules Synthesized by Heterocoagulation
Author(s) -
Liu Xiyan,
Niu Zhongwei,
Xu Huifang,
Guo Meili,
Yang Zhenzhong
Publication year - 2005
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.200500128
Subject(s) - materials science , composite number , microsphere , polyelectrolyte , polystyrene , adsorption , chemical engineering , morphology (biology) , nanoparticle , epoxy , deposition (geology) , layer (electronics) , nanocomposite , core (optical fiber) , composite material , polymer chemistry , nanotechnology , polymer , chemistry , organic chemistry , paleontology , sediment , biology , engineering , genetics
Summary: Crosslinkable composite microspheres were prepared by heterocoagulation of epoxy resin nanoparticles onto polystyrene microspheres. The corresponding hollow microspheres were created after removal of the core. The surface morphology was tunable from smooth to rough by controlling the degree of crosslinking of the shell nanoparticles. A positively charged polyelectrolyte could be easily adsorbed onto the composite microspheres to facilitate further synthesis, e.g., layer‐by‐layer deposition and a sol‐gel process to form inorganic materials.An SEM image of the PS/EP/silica (where the EP was crosslinked slowly) microspheres after the cores have been removed.
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