Grafting and phosphonic acid functionali
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Phairat Punyacharoennon; Sireerat Charuchinda; Kawee Srikulkit
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Article
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2008
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John Wiley and Sons
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English
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## Abstract In this study, grafting of hyperbranched polyamidoamine (PAMAM) polymer onto ultrafine silica followed by functionalization via the introduction of phosphonic acid groups into the branch ends was performed. First, an initiating site was incorporated into the silica surface by reacting t