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Structure of a spin-crossover Fe(II)-1,2,4-triazole polymer complex gel in toluene. Small angle neutron scattering and viscoelastic studies

AuthorsEcheverría, Coro ; Rubio, Miguel ; Mitchell, Geoffrey R.; López García, Daniel
KeywordsMetallo-organic polymers
Molecular structure
Viscoelastic properties
Issue Date2014
CitationEuropean Polymer Journal 53: 238- 245 (2014)
AbstractIn this paper we report the study of metallo-organic polymer gels of [Fe(II) (4-octadecyl-1,2,4-triazole)3(ClO4) 2]n in toluene. A thorough investigation of the molecular structure and the viscoelastic properties of the metallo-organic polymer gels in toluene has been carried out by small angle neutron scattering and controlled stress oscillatory rheology as a function of temperature and concentration in order to understand the self-assembly process leading to the gel formation. The results obtained point out a side-by-side aggregation of the individual metallo-organic polymer chains, behaving as >living> polymers, into fibres of different cross-sections as responsible for the gelation of these systems. © 2014 Elsevier B.V.
Identifiersdoi: 10.1016/j.eurpolymj.2014.01.034
issn: 0014-3057
e-issn: 1873-1945
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