Dr. Andreas Topp Product & Technology Portfolio PLT Dr. Andreas Topp Professional Background 2004 Mgm. Product & Technology Portfolio PLT 2000 Mgm. Tread & Contour Development CV 1998 Start @ CONTI: Materials Research 1996 Postdoc (NANS on Dendrimers and Highly Branched Polymers) National Institute of Standards and Technology, (NIST), Gaithersburg, MD, USA. Education 1996 . Physical Chemistry (Polyelectrolyte Dynamic) University of Cologne, NRW, GER. AGENDA 1. Chemistry: Raw Materials and their Properties Polymers Fillers Curing Systems Additives Examples 2. Physics: Basics and some Tire Specifics Relaxation and Glass Transition Rubber Elasticity Visco-Elasticity Tire Specific Rubber Physics RUBBER CHEMISTRY & PHYSICS Chemistry Overview: Material in Today's Tires Chemistry Polymers Fillers Curing Systems Additives Examples Physics Glass Transition Elasticity Visco-Elasticity Tire Specifics What's in a Tire? "Chemical Raw Materials" Subject of this training! Overview: Chemical Raw Material in Today's Tires Chemistry Polymers Fillers Curing Systems Additives Examples Physics Glass Transition Elasticity Visco-Elasticity Tire Specifics CV Tread Example PC Tread Example Polymers: Key Polymers for Tire Technology Chemistry Polymers Fillers Curing Systems Additives Examples Physics Glass Transition Elasticity Visco-Elasticity Tire Specifics NR SBR BR Polymers: Key Polymers for Tire Technology Rubber Polymers: Long chains Flexible at service temperature Chemistry Polymers Fillers Curing Systems Additives Examples Physics Glass Transition Elasticity Visco-Elasticity Tire Specifics BR: Butadiene Rubber –[CH2–CH=CH–CH2]n–CH2 – CH=CH–CH2– NR: Natural Rubber (Isoprene Rubber) –[CH2–C=CH–CH2]n–CH2–C=CH–CH2– | | CH3 CH3 Polymers: Core Polymers for Tire Technology SBR: Styrene Butadiene Rubber –[CH2–CH]n–[CH2–CH=CH–CH2