Abstract
We report on a new type of composite material where the filaments of a self-assembling bicopper complex (copperll-2-ethylhexanoate) are encapsulated in a polymer matrix. The encapsulation is achieved in the fibrils created during the formation of thermoreversible gels. Two gelling systems have been studied: isotactic polystyrene/trans-decalin and poly[n-hexylisocyanate]/n-heptane. In the former system, addition of bicopper complex trigger gelation by heterogeneous nucleation while in the latter formation of a solid solution is thought to occur. In both cases, however, the bicopper complex filaments are encapsulated in the polymer fibrils of the gel. Characterization by differential scanning calorimetry (thermodynamic study) and by atomic force microscopy (morphology study) will be presented.
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