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Effect of cyclic deformations on the dynamic-mechanical properties of silica-filled butyl rubber

MPG-Autoren
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Herminghaus,  Stephan
Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Zitation

Ward, A. A. M., Stoll, B., von Soden, W., Herminghaus, S., & Mansour, A. A. (2003). Effect of cyclic deformations on the dynamic-mechanical properties of silica-filled butyl rubber. Macromolecular Materials and Engineering, 288(12), 971-979. doi:10.1002/mame.200300135.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0029-8003-B
Zusammenfassung
Transmission electron photographs of the butyl rubber [IIR] vulcanizates: (a) IIR, unfilled, (b) IIR, filled with 20 phr SiO2, (c) IIR,filled with 20 phr SiO2 + 1.6 phr Si69. The effect of the chemical modification of the silica surface by the silane coupling agent (Si69) on both the real and the imaginary parts of the shear compliance (J′, J″) on silica-filled butyl rubber vulcanizates was investigated in a wide temperature and frequency range, −70 to 120 °C and 10−4 to 10 Hz, respectively. In addition, the stress-strain measurements, DSC, and TEM were carried out. Moreover the effect of stress-strain cyclic deformation up to ten times with maximum deformation 80% of the elongation at break on J′, J″ is also studied. It was found that the filler network recovers after cyclic stress-strain in a time scale of one year at room temperature.