Abstract
AbstractPoly(styrene) (PST) coatings of monodispersed colloidal metal oxide particles by surface grafting to poly(N‐vinyl‐2‐pyrrolidone) (ST–PVP) or quaternized poly(4‐vinylpyridine) (ST‐PVPy(Me)) macromer, having a vinylphenylene end group, were investigated. Radical polymerization of styrene (ST) in ethanolic silica colloid in the presence of ST‐PVP successfully led to the formation of monodispersed PST/PVP copolymer/SiO2composites. The addition of divinylbenzene (DVB) to the reaction system gave SiO2 composites coated with crosslinked PST. Graft‐polymerization of ST to ST‐PVP also took place on TiO2, CeO2 and Al(OH)3 colloidal particles in ethanolic solution. However, ST‐PVPy(Me) adsorbed on colloidal silica did not effectively graft PST.
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