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1 Materials Science Poland

1 2008

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Structure and properties of polyurethane nanocomposites modified by dibutyl phosphate boehmite

Ryszkowska J., Jurczyk M.

Materials Science Poland

2008

Vol. 26, No. 2

365--371

The paper reports on the application of the quantitative analysis of images to describe morphological properties of nanocomposites composed of polymers and organically modified boehmite. Images of boehmite, as well as the fracture and cut surfaces of composites, were obtained using high resolution electron microscopy technique and atomic force microscopy. Quantitative analysis of the images of fracture structure obtained by the SEM technique allowed one to explain the mechanism of changes of the mechanical properties of polyurethane nanocomposites. Parameters of stereological analysis were used to evaluate the diameter of the agglomerates of nanofillers and the analysis of relationships between the nanocomposite structure and properties.