Useful tips for the production of TPE on twin-screw compounder

The process for compounding thermoplastic elastomer formulations is comprised of multiple unit operations. These typically include, but are not limited to, feedstock introduction, polymer/ polymer or polymer/filler melt-mixing, distributive/dispersive downstream mixing of oil extenders/minerals/additives, removal of volatiles, and pressurization for die discharge. While each unit operation has an impact on process productivity and quality of the finished product, melt mixing and downstream feeding/filler incorporation have a significantly greater impact than the others in TPE compounding processes

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