Hyperbranched Poly(ethylene glycol)s:  A New Class of Ion-Conducting Materials

A new concept for the synthesis of hyperbranched macromolecules involving the use of AB x macromonomers containing linear oligomeric units is introduced. This methodology is used for the preparation of a series of novel hyperbranched poly(ethylene glycol) derivatives containing linear poly(ethylene...

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Bibliographic Details
Published in:Macromolecules 1996-05, Vol.29 (11), p.3831-3838
Main Authors: Hawker, Craig J, Chu, Fengkui, Pomery, Peter J, Hill, David J. T
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:A new concept for the synthesis of hyperbranched macromolecules involving the use of AB x macromonomers containing linear oligomeric units is introduced. This methodology is used for the preparation of a series of novel hyperbranched poly(ethylene glycol) derivatives containing linear poly(ethylene glycol) units of varying lengths and 3,5-dioxybenzoate branching units. An interesting feature of the hyperbranched poly(ethylene glycol) derivatives is their lack of crystallinity, which is used in the design of a new class of polyelectrolyte materials. The dependence of the ionic conductivity on temperature and the concentration of added lithium cations for these novel hyperbranched macromolecules is reported.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma951909i