Synthesis and Characterization of a Novel Diblock Copolymer with a Polyrotoxane Block |
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Authors: | Bin Ni Xingzhu Wang Huaguang Yu Xuefei Zhang Hailiang Zhang Wai-Yeung Wong |
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Affiliation: | (1) College of Chemistry and Chemical Engineering, Key Laboratory of Polymer Materials of Gansu Province, Northwest Normal University, Lanzhou, Gansu, 730070, P.R. China |
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Abstract: | A novel diblock copolymer with a polyrotaxane block α-cyclodextrins-poly (ε-caprolactone)-b-poly{2,5-bis(4-methoxypheny)oxycabony]-styrene}
(α-CD-PCL-b-PMPCS) was successfully synthesized by combining ring-opening polymerization (ROP) and
atom transfer radical polymerization (ATRP). The diblock copolymer was confirmed by 1H
NMR, GPC and solid-state 13C CP/MAS NMR spectroscopic analysis. Its phase
structures and phase transitions were investigated by thermogravimetric analyses and wide-angle X-ray
diffraction (WAXD). WAXD and solid-state 13C CP/MAS NMR spectroscopic study
confirmed that inclusion complexes domains of the polyrotaxanes assumed a channel-type structure. |
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