Aggregation of flexible-rigid-flexible triblock copolymers

We discuss the aggregation behavior of flexible-rigidflexible triblock copolymers in a selective solvent of low molecular weight. Aggregation may lead either to plates of (R) covered by brushes of (F), or to large “needles” (as a consequence of the Skoulios effect). In the absence of anisotropic bonding between adjacent rods, the “fence” morphology is not expected.