期刊
CHEMISTRY OF MATERIALS
卷 29, 期 11, 页码 4963-4969出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.7b01338
关键词
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资金
- National Science Foundation [DMR 1501324, CMMI 1663305]
- Richard King Mellon Foundation Presidential Fellowship
- CSC Scholarship
- National Institutes of Health [P41EB-001977]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1501324] Funding Source: National Science Foundation
A universal tetherable initiator, derived from the structure of fatty acids, for surface-initiated atom transfer radical polymerization (SI-ATRP) from metal oxide surfaces was prepared. A simple amidation between 2-bromoisobutyryl bromide and omega-aminolauric acid allowed preparation of 12-(2-bromoisobutyramido)dodecanoic acid (BiBADA). After facile purification, BiBADA was used as a tetherable initiator for a broad range of metal oxide nanoparticles. The modified nanoparticles were grafted with methyl methacrylate or n-butyl acrylate via SI-ATRP with a high grafting density. This is the first report of successful SI-ATRP from a selection of different metal oxide nanoparticles. Sub-10 nm Fe3O4 nanoparticles with an intrinsically tethered initiator were also prepared using BiBADA as a surfactant template: Additional experiments demonstrated successful modification of an aluminum foil surface with polymer brushes using BiBADA as a tetherable initiator.
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