Precise synthesis of a rod-coil type miktoarm star copolymer containing poly(n-hexyl isocyanate) and aliphatic polyester
作者： Toshifumi Satoh , Naoki Nishikawa , Daisuke Kawato , Daichi Suemasa , Sungmin Jung
DOI: 10.1039/C3PY00985H
关键词:
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 PHIC with ethynyl alcohol derivatives. The PHIC–(OH)3 suitable for ring-opening polymerization L-LA e-CL leading to synthesis novel rod-coil type miktoarm star copolymers, PHIC-b-PLLA2, PHIC-b-PLLA3, PHIC-b-PCL2, PHIC-b-PCL3, controlled molecular weights, narrow polydispersities, arm numbers. Additionally, thermal solution properties obtained copolymers along corresponding block PHIC-b-PLLA PHIC-b-PCL, characterized TGA, DSC, DLS analyses.
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