932609.fig.009
Figure 9: The chromatogram of the mixture of block copolymers obtained under critical conditions for polystyrene (n-hexane/THF: 60/40, 𝑇 = 5 5 C) on normal-phase Nucleosil Si 300  ́ Å column at a flow rate of 0.5 mL/min. ELSD detector.