PRODUCTION OF COPOLYAMIC ACID AND COPOLYIMIDE FIBER

PURPOSE:To provide a copolyamic acid which can give a copolyimide fiber excellent in modulus, elongation, etc., by incorporating two specified kinds of aromatic carboxylic acid structural units and two specified kinds of aromatic diamine structural units in specified amount in the copolyamic acid. C...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KUNUGI KATSUO, SAIKI NORITSUGU
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 CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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