Real-Space Structure in Off-Critical Phase Separating Polymer Blends
Abstract
In off-critical binary systems undergoing phase separation, a broad distribution of domain sizes occurs, complicating the interpretation of scattering experiments used to probe the resulting structure. With confocal microscopy, we have made real-space structural measurements in three dimensional phase separated polystyrene/polybutadiene blends at various volume fractions and various stages of coarsening. In this talk, we present measurements of the domain size distributions and the spatial correlations between domains. Dynamic scaling is clearly observed, with domain morphologies and scaled size distributions that are well explained by a mean field aggregation model.
- Publication:
-
APS March Meeting Abstracts
- Pub Date:
- March 1996
- Bibcode:
- 1996APS..MAR.I2911W