期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 138, 期 36, 页码 11501-11504出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b07670
关键词
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资金
- U.S. Air Force Office of Scientific Research [FA9550-14-1-0292]
- NSF [CHE-1334703, DMR1606911]
- NIH [DMR-1332208]
- DOE Office of Science by Argonne National Laboratory [DE-AC02-06CH11357]
- MRSEC Program of the NSF [DMR-1419807]
- APS
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1606911] Funding Source: National Science Foundation
We report the synthesis of Janus bottle brush block copolymers by graft-through polymerization of branched diblock macromonomers. Self-assembly of the bottlebrushes was characterized by small-angle X-ray scattering, atomic force microscopy, and scanning electron microscopy. Phase separation and packing models of the bottlebrushes were computed, and their self-assembly behavior was corroborated experimentally in bulk and in thin films. Lamellar, hexagonal cylinder, and gyroid phases were observed and modeled. The A-branch-B Janus bottlebrush structure provides several unique advantages in the context of bottlebrush polymer assembly, including access to the first examples of gyroid phases.
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