Process for making a biaxially stretched polyester film

The method comprises placing a raw material made up of discrete elements in a form of pellets containing polyester of average molecular weight of 18000-40000 and an intrinsic viscosity of 0.6-1.2 dL/g, drying the raw material, mixing the raw material, extruding the raw material to form a mono or mul...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BILLARD, KARINE, STEVENSON, TIMOTHY, LACRAMPE, VALERIE
Format: Patent
Sprache:eng ; fre ; ger
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