Thermotropic polymer heterofilament

A sheath/core heterofilament has a core polymer and a sheath polymer. The core polymer and the sheath polymer are different. One of the polymers is a thermotropic polymer. The other polymer is preferably a thermoplastic polymer selected from the group consisting of polyamides, polyesters, polyolefin...

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Bibliographische Detailangaben
1. Verfasser:	KNUDSEN ROBERT B
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING SURGERY TEXTILES
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Beschreibung
Zusammenfassung:	A sheath/core heterofilament has a core polymer and a sheath polymer. The core polymer and the sheath polymer are different. One of the polymers is a thermotropic polymer. The other polymer is preferably a thermoplastic polymer selected from the group consisting of polyamides, polyesters, polyolefins, fluorocarbons, and combinations thereof. The weight ratio of the core polymer to the sheath polymer ranges from 50:50 to 80:20. When the core polymer is the thermotropic polymer, the sheath polymer is adapted to contain microfibrils formed by the thermotropic polymer core. These heterofilaments may be used as sutures or as orthopedic (or surgical) cords.