Abstract

The in-plane order of Langmuir−Blodgett multilayers of a poly(4-vinylpyridine) quaternized with n-docosyl bromide has been studied by grazing incidence X-ray diffraction. Strong evidence has been found for interactions of the alkyl side chains of the polymer molecules in neighboring layers, and an in-plane packing structure has been derived. Quantitative analysis of the X-ray diffraction shows that strain disorder rather than domain size is the principal source of X-ray line broadening in this system.

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