Microcellular cast polyurethane (MC-PUR) elastomers and rubber are widely used as damping components in automobile suspension systems.MC-PUR materials have the following advantages over rubber: The handling of the vehicle can be improved by using MC-PUR helper springs rather than buffers. These spring elements require a MC-PUR elastomer with excellent dynamic performance.Naphthalene- 1.5-diisocyanate (NDI) has proved to be the most suitable raw material for this very demanding application. The properties of MC-PUR springs based on NDI are discussed in comparison to other elastomeric materials.
Microcellular Polyurethane Elastomers as Damping Elements in Automotive Suspension Systems
Sae Technical Papers
International Congress & Exposition ; 1991
1991-02-01
Aufsatz (Konferenz)
Englisch
Springs , Drag , Fatigue , Elastomers , Suspension systems
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