Fig. 1: Synthetic Route to a Pentacrystalline Pentablock Quintopolymer.
From: Can five chemically different lamellar crystals self-assemble in a single spherulite?

Synthesis of pentacrystalline pentablock PE-b-PEO-b-PCL-b-PLLA-b-PGA quintopolymer by a combination of polyhomologation, ring-opening polymerization, organocatalyst/metal-catalyst and FA-assisted catalyst switch strategy.