Characterization of free volume during vulcanization of styrene butadiene rubber by means of positron annihilation lifetime spectroscopy and dynamic mechanical test

An experimental investigation was performed to study the effect on the free volume of the advance of the cross-linking reaction in a copolymer of styrene butadiene rubber by sulfur vulcanization. The dynamic modulus and loss tangent were evaluated over samples cured for different times at 433 K by d...

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Autores principales: Marzocca, A.J., Cerveny, S., Salgueiro, W., Somoza, A., Gonzalez, L.
Formato: JOUR
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_1063651X_v65_n2_p_Marzocca
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