Journal
ACS MACRO LETTERS
Volume 1, Issue 8, Pages 991-994Publisher
AMER CHEMICAL SOC
DOI: 10.1021/mz3002484
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Funding
- National Science Foundation [DMR 1122483, DMR 0969301, DMR 0606086, CBET-0609087]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [969301] Funding Source: National Science Foundation
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Molecular bottlebrushes were prepared by ICAR (initiators for continuous activator regeneration) atom transfer radical polymerization (ATRP) and supplemental activator and reducing agent (SARA) ATRP in the presence of 50 ppm Cu-based catalyst. Poly(n-butyl acrylate) (PBA) side chains were grafted from a polymethacrylate backbone resulting in well-defined molecular bottlebrushes. Imaging of individual bottlebrush macromolecules by atomic force microscopy corroborated the targeted degrees of polymerization of the backbone and side chains. Initiation efficiency was determined by cleaving the side chains to be around 50%.
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