Polyester stabilization process and product

A method for minimizing low temperature shrinkage of an axially-oriented polyester which includes heating the polyester out of contact with any surface by employing impinging heated gas at a temperature of about 140 DEG to about 180 DEG C. for a time between about 15 and about 3 seconds, and stabili...

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Bibliographische Detailangaben
Hauptverfasser:	PRICE, ROBERT L, BARTKUS, EDWARD A
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for minimizing low temperature shrinkage of an axially-oriented polyester which includes heating the polyester out of contact with any surface by employing impinging heated gas at a temperature of about 140 DEG to about 180 DEG C. for a time between about 15 and about 3 seconds, and stabilized polyester obtained thereby.