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Experiments of differential scanning calorimetry and dynamic mechanical spectroscopy on linear and cross-linked heterocyclic polymer networks (HPNs) have been performed over the temperature range between 120 and 400K. The temperature dependences of the storage modulus E′ and the internal friction Q −1 of HPNs, investigated by mechanical waves of frequencies ranging between 0.3 and 30Hz, reveal...
Poly(ε-caprolactone)/montmorillonite nanocomposites, prepared by bulk ring-opening polymerization of ε-caprolactone in the presence of tin(II) 2-ethylhexanoate as a catalyst and hydroxy groups of ammonium tethers of organoclay acting as chain-growth centers, were characterized by the stretching calorimetry technique.In the range of elastic (reversible) deformations, experimental Young's moduli and...
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