A small angle neutron scattering study of the effect of molecular weight on the conformation of side chain liquid crystal polymers in a smectic phase

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Abstract

The Small Angle Neutron Scattering (SANS) from specifically deuterated samples of side-chain liquid crystal polymers has been used to determine the dimensions of the backbone both parallel and perpendicular to the director as well as the degree of polymerisation. It has been possible to determine the effect of molecular weight on the chain dimensions in the smectic phase. There is strong anisotropy of the backbone conformation and it becomes stronger as the molecular weight increases. This means that the tendency for the chains to be confined between the smectic layers is stronger for larger molecular weight polymers.
Original languageUnknown
Pages (from-to)285-292
JournalMolecular Crystals And Liquid Crystals
Volume330
Issue number1
DOIs
Publication statusPublished - 1 Jan 1999

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