Process for the manufacture of elastic articles from poly(monovinylaromatic/conjugated diene) block copolymers and elastic articles obtainable therewith

A process for the manufacturing of elastic articles such as fibers, yarns, or films, from substantially pure selectively hydrogenated block copolymers, comprising at least two blocks predominantly derived from monoalkylene aromatic monomer and at least one block predominantly derived from one or mor...

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Bibliographische Detailangaben
Hauptverfasser:	ROSENQVIST, JOHN I. R, GRAAFLAND, TEUNIS, VERMEIRE, HANS F
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES 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 SPINNING TEXTILES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process for the manufacturing of elastic articles such as fibers, yarns, or films, from substantially pure selectively hydrogenated block copolymers, comprising at least two blocks predominantly derived from monoalkylene aromatic monomer and at least one block predominantly derived from one or more conjugated dienes and having a number average molecular weight of at least 70,000, comprising the steps of preparing a solution or a gel of said block copolymer with an apolar organic non-aromatic solvent and processing said solution or gel through a fiber forming orifice.