Grafting of ‘dendrimer-like’ highly branched polymer onto ultrafine silica surface
✍ Scribed by Norio Tsubokawa; Hajime Ichioka; Toshiya Satoh; Shinji Hayashi; Kazuhiro Fujiki
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 637 KB
- Volume
- 37
- Category
- Article
- ISSN
- 1381-5148
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To modify the surface of chitosan powder, grafting of hyperbranched dendritic polyamidoamine, a new class of topological macromolecules, onto the surface was investigated. It was found that hyperbranched dendritic polyamidoamine was propagated from chitosan powder surface by repeating two processes:
## 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