Glossary
Polymer Coextrusion Flow Modelling

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Glossary


Polymer Coextrusion Flow Modelling

Authors : Yves DEMAY, Jean-François AGASSANT

Publication date: May 10, 2022 | Lire en français

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5. Glossary

Coextrusion box; black-box

Box for assembling different polymer streams that will later flow into a single die.

Coextrusion; coextrusion

Production of a multilayer part by simultaneous extrusion of several polymers.

Comportement rhéologique newtonien; Newtonian behaviour

Rheological behavior of a fluid of constant viscosity.

Pseudoplastic rheological behavior; shear thinning behavior

Rheological behavior of a fluid whose viscosity depends on the shear rate.

Sandwich flow

Multilayer flow with a central polymer layer surrounded by two identical polymers.

Air gap

Distance between the top and bottom of a die.

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