In situ SALS and volume variation measurements during deformation of treated silica filled SBR

• Published in: Journal of materials science Vol. 42; no. 19; pp. 8130 - 8138
• Main Authors: RAMIER, J, CHAZEAU, L, GAUTHIER, C, STELANDRE, L, GUY, L, PEUVREL-DISDIER, E
• Format: Journal Article
• Language: English
• Published: Heidelberg Springer 01.10.2007; Springer Nature B.V; Springer Verlag
• Subjects: Applied sciences; Bonding agents; Butadiene; Composites; Coupling agents; Covalent bonds; Covering; Deformation mechanisms; Engineering Sciences; Exact sciences and technology; Fillers; Forms of application and semi-finished materials; In situ measurement; Light scattering; Materials; Materials science; Polymer industry, paints, wood; Rubber; Silanes; Silicon dioxide; Styrenes; Surface treatment; Technology of polymers; Tensile tests; Voids; Strengthening; SBR; Light scattering; Mechanical properties; Organic silane; Dispersion reinforced material; Tensile property; Experimental study; Property processing relationship; Silica; Surface treatment; Coupling agent; Polymer filler interaction; Investigation method; Vulcanizate
• ISSN: 0022-2461; 1573-4803
• DOI: 10.1007/s10853-007-1728-1

Original in situ measurements of volume variation and small angle light scattering (SALS) are performed on silica filled Styrene Butadiene Rubber (SBR) during tensile tests. The influence of the silica treatment on the mechanisms involved is explored with sample carefully characterised and with the same filler dispersion. Two different types of silane are used as treatment, an alkoxy silane (so called covering agent) and a coupling agent which enables covalent bonds between the silica and the polymer matrix. It is shown that the coupling agent delays void formation in the samples and leads at intermediary strain to the reorganisation of the filler structure while the covering agent eases the void formation which also occurs without silica surface treatment.