NDLI: Subcomponent self-assembly of polymer chains based on dynamic and geometrical coordination diversity of the first row transition metal ions

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhu, Zhengguang Wu, Xuewen Wang, Dujin Xu, Na Cai, Yuanli Zhao, Ying
Copyright Year	2014
Abstract	The subcomponent self-assembly of polymer chains based on the dynamic/geometrical coordination diversity of first row transition metal ions is reported. A well-defined NH2-functional hydrophilic block copolymer, Ni(II), Cu(II) and Zn(II) and a salicylaldehyde derivative are selected as subcomponents. The imine formation and self-assembly are followed using 1H NMR, DLS, GPC, and UV-vis spectroscopy. The results demonstrate that the subcomponent self-assembly strongly depends on the coordination stability constants and geometries of these metal ions. Ni(II) induces interchain coordination, and rapid phase transition to macro-phase separation but with the lowest autocatalysis efficiency. However, Cu(II) ions induce intrachain coordination with the most remarkable autocatalysis, and the delaying of the phase transition to form well-defined hybrid nanoparticles. The behaviour with Zn(II) ions is in between that with Ni(II) and Cu(II) ions. This striking differentiation demonstrates that the dynamic/geometrical coordination diversity of the abundant first row transition metal ions effectively control the subcomponent self-assembly of polymer chains, and thus the hierarchical nanostructures of dative metal–polymer hybrid functional materials.
Starting Page	1202
Ending Page	1209
Page Count	8
File Format	HTM / HTML PDF
ISSN	17599954
Volume Number	5
Issue Number	4
Journal	Polymer Chemistry
DOI	10.1039/c3py01111a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Salicylaldehyde Coordinate covalent bond Polymer Transition metal Rapid phase transition Imine Autocatalysis Self-assembly Hybrid functional Ultraviolet\u2013visible spectroscopy Dynamic light scattering GPC Hydrophile Copolymer Nuclear magnetic resonance Phase transition
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics

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