METHOD OF PRODUCING POLYAMIDOACID SOLUTION FOR FIBER FORMING

FIELD: chemistry of high-molecular compounds. SUBSTANCE: method involves the additional use at polycondensation of 2,5-bis-(p-aminophenyl)- or 4,4′-p-terphenyl at the mole ratio to 4,4′-diaminodiphenyloxide = (15-50): (50-85). Fiber rupture strength is 27.0-37.8 cH/tex after heating at 450 C for 5 m...

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Hauptverfasser:	Borovik V.P, Koton M.M, Maricheva T.A, Kudrjavtsev V.V, Jakopson S.M, Artem'eva V.N, Nekrasova E.M, Korzhavin L.N, Karchmarchik O.S, Mamaev V.P, Baklagina Ju.G, Mikhajlov G.M, Bobrova N.V, Bronnikov S.V, Kalbina N.S
Format:	Patent
Sprache:	eng ; rus
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 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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