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Issue 2, 2014
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Precise synthesis of a rod-coil type miktoarm star copolymer containing poly(n-hexyl isocyanate) and aliphatic polyester

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Abstract

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 ε-CL leading to the synthesis of novel rod-coil type miktoarm star copolymers, PHIC-b-PLLA2, PHIC-b-PLLA3, 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.

Graphical abstract: Precise synthesis of a rod-coil type miktoarm star copolymer containing poly(n-hexyl isocyanate) and aliphatic polyester

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Publication details

The article was received on 24 Jul 2013, accepted on 29 Aug 2013 and first published on 04 Sep 2013


Article type: Paper
DOI: 10.1039/C3PY00985H
Citation: Polym. Chem., 2014,5, 588-599
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    Precise synthesis of a rod-coil type miktoarm star copolymer containing poly(n-hexyl isocyanate) and aliphatic polyester

    T. Satoh, N. Nishikawa, D. Kawato, D. Suemasa, S. Jung, Y. Y. Kim, M. Ree and T. Kakuchi, Polym. Chem., 2014, 5, 588
    DOI: 10.1039/C3PY00985H

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