Current Issue

Technical Notebooks

  • Dynamic mechanical techniques for compound performance

    The purpose of this review is discuss techniques to better understand (and predict) compound performance. The scope of the paper will include: tire performance prediction; Lissajou analysis; WLF superposition; TTS superposition; friction...

  • Ester plasticizers for high-temp AEM elastomers

    Ethylene acrylic elastomers traditionally have been used in applications requiring high level of performance under extreme temperature conditions. They are typically used in a wide variety of automotive applications, such as turbo chargers, oil...

  • Comparison of Payne Effect, dispersion mix tests

    In this study, an RPA 2000-brand Rubber Process Analyzer with EDR was used to measure the differences in rheological behavior from using different base elastomers with variation in the applied work history during mixing.

  • Alternate fillers can reduce power consumption

    There has been increasing interest in the development of high performance, alternative fillers to improve the sustainability of the rubber industry. Nevertheless, little attention has been given to understanding the impact of these fillers on the ...

  • Laser technology dedicated to mold cleaning

    The first cause of mold fouling is linked to the compound used for the transformation (either in injection or compression), the type of the rubber and its recipe. The quantity of oil used in the compound recipe increases also the fouling.

  • Highly dispersible silica for improved tire performance

    Precipitated silica is used to improve the in-service performance of passenger car tires. Developing tread compounds with highly dispersible silica (HDS) increases the laboratory predictors of wet traction and rolling resistance while maintaining ...

  • Sources of hysteresis in rubber compounds

    Hysteresis is a measure of the amount of energy lost per cycle during deformation of an elastomer. Tangent delta, or the loss factor, is a measure of hysteresis and is the ratio of the loss modulus to the storage modulus.