par Carelli, Clara;Jones, Richard Anthony Lewis;Young, R;Cubitt, Robert;Dalgliesh, Robert;Schmid, Friederike;Sferrazza, Michele 
Référence Physical review. E, Statistical, nonlinear, and soft matter physics, 72, 3, 031087
Publication Publié, 2005
Référence Physical review. E, Statistical, nonlinear, and soft matter physics, 72, 3, 031087
Publication Publié, 2005
Article révisé par les pairs
| Résumé : | The interfacial width of polyolefins blends has been probed as a function of distance away from the critical point by using neutron reflectivity. For strongly immiscible polymer pairs, the width of the interface increases slowly when the degree of immiscibility is decreased and the interfacial width varies with the interaction parameter χ of the polymers. Closer to the critical point the dependence on the degree of miscibility becomes stronger and the way in which the interfacial width diverges, as criticality is approached, is related to both the chain length and χ. The self-consistent field theory numerical calculations, with the additional contribution due to capillary waves, provides a good description of the width of the interface between two polymer bulk phases in particular at intermediate values of the degree of immiscibility. © 2005 The American Physical Society. |
