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

文献信息

发布日期 2013-09-04

DOI 10.1039/C3PY00985H

影响因子 5.582

作者

Toshifumi Satoh, Naoki Nishikawa, Daisuke Kawato, Daichi Suemasa, Sungmin Jung, Young Yong Kim, Moonhor Ree, Toyoji Kakuchi

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摘要

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.

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来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

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

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