Grafting of silica during the processing of silica-filled SBR: Comparison between length and content of the silane

• Published in: Journal of polymer science. Part B, Polymer physics Vol. 44; no. 1; pp. 143 - 152
• Main Authors: Ramier, J., Chazeau, L., Gauthier, C., Guy, L., Bouchereau, M. N.
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.01.2006; Wiley
• Subjects: Applied sciences; Composites; elastomers; Engineering Sciences; Exact sciences and technology; Forms of application and semi-finished materials; grafting; Materials; Polymer industry, paints, wood; silane; silicas; surfaces; Technology of polymers; Substituent effect; Surface reaction; SBR; Condensation reaction; grafting; Organic silane; Dispersion reinforced material; Experimental study; Silica; Polymer filler interaction; Chemical modification; elastomers; silane; surfaces; Concentration effect; silicas; Modified material
• ISSN: 0887-6266; 1099-0488
• DOI: 10.1002/polb.20622

The treatment of nanoscopic silica grafted in the blend during the processing of silica‐filled styrene butadiene rubber was performed with silane, introduced at different concentrations, or at a constant concentration with a given length of alkyl chain. From swelling measurements in water and in solvent, the maximum silane content that can be grafted has been calculated as a function of the length of the silane alkyl chains as well as their efficiency to cover the silica surface. The found values are close to the values found in the literature for grafting in solution. Moreover, a direct correspondence between the length of the silane alkyl chains and their concentration has been deduced. © 2005 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 44: 143–152, 2006