Abstract
The cationic polymerization of the bifunctional monomer 1,3-divinylimidazolid-2-one (BVH) is initiated by triphenylmethylium/silica hybrid particles in toluene or 1,2-dichloroethane (DCE) as solvents. Novel poly-BVH/silica hybrid particles are obtained by this procedure. The degree of surface functionalization can be controlled by the BVH concentration and the solvent used. The cationic polymerization of BVH on the surface of silica particles is strongly determined by proton transfer reactions to the monomer. Therefore, the BVH polymer network on the silica particle contains methyl groups and double bonds among the urea units.
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