METHOD OF PRODUCTION OF FIBERS

FIELD: production of fibers from polyacrylonitrile and its copolymers ; textile industry; production of industrial fibers. ^ SUBSTANCE: proposed method includes dissolving of polyacrylonitrile or its copolymer, molding polymer solution in form of fiber by passing it through spinneret, directing the...

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Hauptverfasser: MASHCHENKO V.I, BUDNITSKIJ G.A, GERASIMOV V.I, OLENIN A.V, SHAUMBURG KELD, UDRA S.A
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Sprache:eng ; rus
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creator MASHCHENKO V.I
BUDNITSKIJ G.A
GERASIMOV V.I
OLENIN A.V
SHAUMBURG KELD
UDRA S.A
description FIELD: production of fibers from polyacrylonitrile and its copolymers ; textile industry; production of industrial fibers. ^ SUBSTANCE: proposed method includes dissolving of polyacrylonitrile or its copolymer, molding polymer solution in form of fiber by passing it through spinneret, directing the solution in form of fiber to receiving member which is movable relative to spinneret in such way that fibers are not get in contact followed by gelling the solution, replacement of solvent in gel by polymer precipitating agent and removal of precipitating agent at subsequent extraction. Proposed method makes it possible to obtain fibers from polyacrylonitrile or its copolymers at molecular mass of 6*104 g/mole possessing rupture strength no less than 0.9 HPa and elasticity modulus not below 17 HPa. ^ EFFECT: enhanced efficiency. ^ 3 ex
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language eng ; rus
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subjects APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARYMATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
NATURAL OR ARTIFICIAL THREADS OR FIBRES
SPINNING
TEXTILES
title METHOD OF PRODUCTION OF FIBERS
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