An acid/base switchable and reversibly cross-linkable polyrotaxane

A main chain-type polyrotaxane was fabricated by employing a one-pot synthesis strategy from a pseudorotaxane monomer and an end-capping agent. Based on this polyrotaxane, a controllable molecular machine was furnished upon the external acid/base stimuli, and a reversible transition between linear a...

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Bibliographic Details
Published in:Polymer chemistry 2014-01, Vol.5 (13), p.3994-4001
Main Authors: Li, Shijun, Weng, Guan-Huan, Lin, Wei, Sun, Zhi-Bin, Zhou, Mi, Zhu, Bin, Ye, Yang, Wu, Jing
Format: Article
Language:English
Subjects:
Crosslinking
Molecular machines
Monomers
Polymer chemistry
Stability
Stimuli
Strategy
Synthesis
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Summary:A main chain-type polyrotaxane was fabricated by employing a one-pot synthesis strategy from a pseudorotaxane monomer and an end-capping agent. Based on this polyrotaxane, a controllable molecular machine was furnished upon the external acid/base stimuli, and a reversible transition between linear and cross-linked polyrotaxane was achieved by the successive addition of [PdCl 2 (PhCN) 2 ] and PPh 3 .
ISSN:1759-9954
1759-9962
DOI:10.1039/C4PY00409D