Journal
POLYMER CHEMISTRY
Volume 5, Issue 2, Pages 588-599Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3py00985h
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Funding
- MEXT [FY2011-2015]
- National Research Foundation (NRF) of Korea (Doyak Program) [2011-0028678]
- Ministry of Science, ICT and Future Planning
- Ministry of Education
- MEXT (Japan) program Strategic Molecular and Materials Chemistry through Innovative Coupling Reactions of Hokkaido University
- National Research Foundation (NRF) of Korea (Center for Electro-Phto Behaviors in Advanced Molecular Systems) [20100001784]
- Grants-in-Aid for Scientific Research [25288093] Funding Source: KAKEN
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Well-defined hydroxyl end-functionalized poly(n-hexyl isocyanate), PHIC-(OH)(2) and PHIC-(OH)(3), as rod-type macroinitiators were synthesized by the Cu-catalyzed azide-alkyne cycloaddition reactions of azido end-functionalized PHIC with ethynyl alcohol derivatives. The PHIC-(OH)(2) and PHIC-(OH) 3 were suitable macroinitiators for the ring-opening polymerization of L-LA and epsilon-CL leading to the synthesis of novel rod-coil type miktoarm star copolymers, PHIC-b-PLLA(2), PHIC-b-PLLA(3), PHIC-b-PCL2, and PHIC-b-PCL3, with controlled molecular weights, narrow polydispersities, and controlled arm numbers. Additionally, the thermal and solution properties of the obtained miktoarm star copolymers along with the corresponding block copolymers, PHIC-b-PLLA and PHIC-b-PCL, were characterized by TGA, DSC, and DLS analyses.
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