Transcription of MASTERBATCH PRODUCTION - Leistritz
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MASTERBATCH PRODUCTIONE xtruders and extrusion lines23 LeistritzExtrusion TechnologyMASTERBATCH THE GRAIN MAKES THE DIFFERENCE OverviewPlastic pellets with a high share of pigments and/or addi-tives that is much greater than in the final application are called masterbatches. In later process steps such as injec-tion molding, film or fiber PRODUCTION , these are added to the raw polymer to color this or to specifically change other to pastes, powders or liquid additives, the use of a MASTERBATCH improves the process reliability on account of the precisely defined share of pigments in individual pellets.
high free volume of the ZSE MAXX twin screw extruder (OD/ID = 1.66) means that there is enough space in the process chamber to ensure a good dispersion and high throughput. The additive feed often poses a challenge in process-ing: if additives with a low melting point are added, they could already melt in the side stuffer. This would lead to
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