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A morphometric investigation by TEM/AIA on elastomer-based compounds filled with an untreated precipitated silica (Articolo in rivista)

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A morphometric investigation by TEM/AIA on elastomer-based compounds filled with an untreated precipitated silica (Articolo in rivista) (literal)

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Falqui L., Costa G., Castellano M., Turturro A., Valenti B. (2003)
A morphometric investigation by TEM/AIA on elastomer-based compounds filled with an untreated precipitated silica
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A morphometric investigation by TEM/AIA on elastomer-based compounds filled with an untreated precipitated silica (literal)

Abstract

An accurate morphological investigation has been carried out on vulcanized compounds based on different matrices. butadiene rubber, natural rubber and styrene-butadiene rubber, filled with 35phr of a precipitated silica. The analysis has been performed by using transmission electron microscopy (TEM) and automated image analysis (AIA) to achieve quantitative information on the filler dispersion. Significant differences in the aggregate size and shape distribution of silica within the different matrices which, in principle, can be related to the polymer-filler interactions, have been found. The results are in a very satisfactory agreement with thermodynamic predictions obtained by inverse gas chromatography. The use of two complementary techniques, TEM/AIA, allows attainment, in a reasonably short time, quantitative information on the filler dispersion and, consequently, on the performances of these elastomers-based composite materials. (literal)

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