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A core-shell latex built up of polybutadiene as a mobile component and polystyrene as a rigid component is investigated. Solid-state NMR spectroscopy and transmission electron microscopy are used to characterize the morphology and possible heterogeneities of the latex particles (average particles sizes 70-100 nm). NMR spectroscopy allows the determination of average domain distances much below the particle size due to standard electron microscopy. These differences are explained by an additional microstructure of the core-shell particles. Indeed, electron micrographs at high resolution confirm the existence of heterogeneities within the polybutadiene core of the latex. The presented investigations demonstrate the power of a combined application of solid-state NMR spectroscopy and transmission electron microscopy for the characterization of core-shell latexes.

SUMMARY: A collection of high resolution solid-state 13 C NMR spectra was recorded in a standard way employing cross polarization (CP), magic angle spinning (MAS), and high power proton decoupling. The collection will be useful for reference purposes in case of unknown or partly unknown samples such as polymer blends, block copolymers, or polymeric latexes. The collection is available via internet at

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