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Updated: Aug 15, 2026

Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
Published on: April 28, 2014
End-chain segment ordering in lamellar sublayers of a diblock copolymer
C Lorthioir1, P Auroy, B Deloche
1Laboratoire de Physique des Solides (CNRS-UMR 8502), Université Paris-Sud, 91405 Orsay, France.
Abstract:
The segmental ordering within a lamellar polystyrene-polydimethylsiloxane diblock (PS-PDMS) was examined by NMR. A non-uniform stretching of the PDMS chains was evidenced. Although chain segments displaying isotropic reorientational motions are present along the chains, relaxation measurements on the free PDMS extremities demonstrate that these latter are oriented and submitted to a non-zero constraint. This specific result allows to precise some features of the order distribution within the lamellae.
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