Mechano‐Optical Characterization of Extrusion Flow Instabilities in Styrene‐Butadiene Rubbers: Investigating the Influence of Molecular Properties and Die Geometry

C. K. Georgantopoulos, Dr. M. K. Esfahani, C. Botha, Dr. I. F. C. Naue, Dr. N. Dingenouts, Prof. M. Wilhelm Karlsruhe Institute of Technology (KIT) Institute of Chemical Technology and Polymer Chemistry (ITCP) Engesserstraße 18, Karlsruhe 76131, Germany E-mail: manfred.wilhelm@kit.edu Dr. A. Causa Pirelli Tyre S. p. A., R&D Viale Piero e Alberto Pirelli 25 Milan 20126, Italy Prof. R. Kádár Department of Industrial and Materials Science Division of Engineering Materials Chalmers University of Technology Gothenburg SE-412 96, Sweden The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/mame.202000801.

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