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Hydrogen‐Bonded Shape‐Persistent Aryl Hydrazide Polymers: Side‐Chain‐Tuned Formation of Vesicles and Organogels
Author(s) -
Zhou Cen,
Cai Wei,
Wang GuiTao,
Zhao Xin,
Li ZhanTing
Publication year - 2010
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201000259
Subject(s) - side chain , polymer chemistry , hydrazide , chemistry , polymer , amphiphile , polymerization , hydrogen bond , vesicle , solubility , copolymer , organic chemistry , molecule , membrane , biochemistry
A new class of aromatic, hydrazide‐based, zigzag polymer has been synthesized using the Yamazaki polymerization conditions. Hydrophobic, hydrophilic or amphiphilic side chains are introduced to the backbones to tune their solubility in organic solvents of different polarities. The side chains form successive, intramolecular, six‐membered RO···HN hydrogen bonds, which increase the planarity of the backbones. The new shape‐persistent polymers are revealed to self‐assemble into vesicles or fibers to gelate organic solvents of different polarities. The polymeric backbones may be regarded as a conceptual extension of the emerging foldamers, which are usually constructed from oligomeric backbones.