Could Reactive Extrusion Replace Your Next Batch Reactor?

Swap tanks for a twin-screw and run chemistry solvent-free, continuously, in minutes, not days. This talk presents reactive extrusion (REX) with mechanochemistry as a practical reactor alternative rather than a mixer: energy is delivered where bonds form, residence time is designed rather than incidental, and chemistry (synthesis, modification, recycling) proceeds inline. The session illustrates three concise case examples: polymer synthesis achieving specification rheology with minutes-scale residence times; additive synthesis in which functional chemistries are produced and delivered as masterbatches on the same line; and recycling/upcycling that lifts recycled materials toward target properties with stable processing windows. Along the way, we summarize practical takeaways—when continuous processing is the appropriate choice, which constraints govern performance, and the scope of problems it can address across polymer formulation, additive preparation, and upgrades of recycled streams. The close is blunt and practical: What exactly are REX and mechanochemistry in industrial terms? Where do they beat batch on outcomes, and what limits define the envelope? Which application profiles are ready now for production-oriented deployment? If those questions matter, the extruder may be more than a downstream unit—it may be your next reactor.