Journal
POLYMER BULLETIN
Volume 65, Issue 9, Pages 863-872Publisher
SPRINGER
DOI: 10.1007/s00289-010-0249-2
Keywords
Polyhedral oligomeric silsesquioxane (POSS); Star-shaped; Block copolymers; Composites; Atom transfer radical polymerization (ATRP)
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Funding
- National Natural Science Foundation of China [50673023]
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Star-shaped PMMA-b-PS block copolymers with POSS core were prepared by atom transfer radical polymerization of St using star-shaped POSS/PMMA-CI as a macroinitiator in presence of CuCl, 2,2,-bipyridine, toluene at 110 degrees C. The core-first method, which used an active multifunctional core to initiate the growth, of polymer chains, was applicable to making star-shaped block copolymers with POSS core. The structure of hybrid star-shaped PMMA-b-PS block copolymers was characterized by GPC and H-1 NMR, respectively.
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