Bicopper complex jellies and thermoreversible gels

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Project objective

In the past two years, it has been studied jellies" obtained from the solutions in organic solvents of a binuclear copper complex. The molecules of this complex tend to pile up and form threads that eventually behave as polymeric chains. There is, however, a main difference in that the columnar aggregates of the complex can break and reform at will unlike covalent polymers. These threads are thus "living" polymers. It has been recently observed that above a well- defined temperature the plateau modulus drops very rapidity. These results have been interpreted by considering that, in addition to columnar aggregation, lateral aggregation occurs between threads, thus leading to the formation of a physical gel with a fringed- micellar structure. Also, it has been observed that the solvent plays a role at the level of the mechanical properties. The research project is twofold: 1.- To study the effect of solvent type and of the lateral group of the complex on the propensity of forming either genuine jellies or thermoreversible gels. 2.- To investigate the effect of a dispersion of these complex molecules into thermoreversible gels of covalent polymers. "

Original text from CORDIS.

Participants

• Université de Strasbourg I (Université Louis Pasteur) · StrasbourgCoordinatorFrance
• Not availableCity levelSpain

Links

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