Journal
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
Volume 51, Issue 1, Pages 78-85Publisher
WILEY-BLACKWELL
DOI: 10.1002/polb.23183
Keywords
block copolymers; synthesis; morphology; thin films
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Funding
- Department of Energy Office of Basic Energy Science [DE-FG02-96ER45612, DE-FG02-04ER46126]
- NSF
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DEAC02-98CH10886]
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
- U.S. Department of Energy (DOE) [DE-FG02-96ER45612] Funding Source: U.S. Department of Energy (DOE)
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We reported the synthesis and morphology of a novel alkyne-functionalized diblock copolymer (di-BCP) poly(methyl methacrylate-random-propargyl methacrylate)-block-poly(4-bromostyrene). The di-BCPs were synthesized by atom transfer radical polymerization and postpolymerization deprotection, with good control over molecular weight and polydispersity index. Microphase separation in bulk di-BCPs was confirmed by thermal analysis, small-angle X-ray scattering, and transmission electron microscopy. Microphase-separated morphologies were also observed in thin films, and the orientation of the microdomains can be conveniently controlled by annealing under different solvents. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys, 2012
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