Abstract
Polymer nanocomposites can exhibit unusual properties, and potential applications include catalyst supports and abrasion-resistant coatings. The copolymerization of 4-vinylpyridine in the presence of ultrafine silica sol is reported here to give rise to stable colloidal dispersions of polymer–silica nanocomposites which display a distinctive “currant bun” morphology (see Figure) in contrast to previously reported “raspberry” morphologies.
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