Current Issue

Technical Notebooks

  • Simulation solutions for polymer additive manufacturing

    Additive manufacturing, by definition, is a process of joining materials to make objects from 3D model data, usually layer upon layer. Compared with subtractive manufacturing, in which the unwanted material is removed, instead, materials are...

  • Innovation in hydraulic hose, couplings industry

    Innovations in hose design and crimper machines have come a long way and are providing the critical elements needed for integration. The benefits, including time, resource and cost savings, will be realized across many industries where the...

  • Sealing force response and its relationship to leakage

    People evaluate the sealing force response of materials to try to estimate when leakage might occur. This is often based on correlated relationships between sealing force responses and actual sealing performance. This paper intends to try to...

  • Quantitative silica-filled tread dispersion rating system

    Precipitated silica can improve the in-service performance of passenger car tires by increasing the wet traction, reducing the rolling resistance and maintaining the treadwear life compared to carbon black use if silica is dispersed to the same...

  • Process improvement for highly filled NBR/SBRs

    This case study explores how the installation of an automated mixing control system led to longer cycle times and how this issue was resolved. The result is a better understanding of auxiliary feed system limitations, reduced cycle times and...

  • Study on new EPDM molecular architecture

    There is an increasing need for new EDPM products that provide a balance of mixing/processability, improved mechanical properties and improved product consistency. Dow's new advanced molecular catalyst and polymerization process technology...

  • Passenger car tire road wheel removal codes

    As part of their ambitious tire test development program, NHTSA used the proposed tire endurance road wheel test, which is a stepped-up load test, to study different tire aging protocols. In order to increase awareness, we have summarized the...

  • Lifetime recycling loops for elastomer products

    With depletion of natural resources and growing awareness of the limited capabilities of the globe to cope with pollution, the need to design lifetime recycling loops for all types of products is steadily increasing. Rubber articles of all sorts...

  • New approach to coupling functionalized carbon black

    Functionalized carbon blacks incorporated into functionalized SBR compounds previously have been shown to provide significantly increased filler-elastomer interaction and reduced rolling resistance similar to silica-containing compounds, but...