PROCESS FOR IMPROVING THE ELASTIC RECOVERY OF A POLYETHYLENE TEREPHTHALATE FIBROUS MATERIAL

A process is provided for improving the elastic recovery of a previously oriented fibrous material comprising at least 85 mole percent polyethylene terephthalate by annealing the fibrous material at a temperature of about 180 to about 210.degree.C for a period of about 1 to about 30 minutes, while c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN, JOHN C, NOETHER, HERMAN D
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS,ROPES OR THE LIKE MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES WARPING OR BEAMING YARNS
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