Fourier-Transform Rheology of Unvulcanized, Carbon Black Filled Styrene Butadiene Rubber

  • Rubber materials filled with reinforcing fillers display nonlinear rheological behavior at small strain amplitudes below γ0 < 0.1. Nevertheless, rheological data are analyzed mostly in terms of linear parameters, such as shear moduli (G′, G″), which loose their physical meaning in the nonlinear regime. In this work styrene butadiene rubber filled with carbon black (CB) under large amplitude oscillatory shear (LAOS) is analyzed in terms of the nonlinear parameter I3/1. Three different CB grades are used and the filler load is varied between 0 and 70 phr. It is found that I3/1(φ) is most sensitive to changes of the total accessible filler surface area at low strain amplitudes (γ0 = 0.32). The addition of up to 70 phr CB leads to an increase of I3/1(φ) by a factor of more than ten. The influence of the measurement temperature on I3/1 is pronounced for CB levels above the percolation threshold.

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Metadaten
Author:Lukas Schwab, Nils HojdisORCiD, Jorge Lacayo, Manfred Wilhelm
DOI:https://doi.org/10.1002/mame.201500356
ISSN:1439-2054
Parent Title (English):Macromolecular Materials and Engineering
Publisher:Wiley-VCH
Place of publication:Weinheim
Document Type:Article
Language:English
Year of Completion:2016
Date of the Publication (Server):2020/07/23
Volume:301
Issue:4
First Page:457
Last Page:468
Link:https://doi.org/10.1002/mame.201500356
Zugriffsart:campus
Institutes:FH Aachen / Fachbereich Chemie und Biotechnologie
FH Aachen / Institut fuer Angewandte Polymerchemie
collections:Verlag / Wiley-VCH