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1. (WO2017194103) METHOD FOR PRODUCING A MULTIFILAMENT YARN AND MULTIFILAMENT YARN
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2017/194103 International Application No.: PCT/EP2016/060577
Publication Date: 16.11.2017 International Filing Date: 11.05.2016
IPC:
D01F 6/38 (2006.01) ,D01D 5/098 (2006.01) ,D01F 9/22 (2006.01)
D TEXTILES; PAPER
01
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING
F
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
6
Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
28
from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
38
comprising unsaturated nitriles as the major constituent
D TEXTILES; PAPER
01
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING
D
MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS
5
Formation of filaments, threads, or the like
08
Melt-spinning methods
098
with simultaneous stretching
D TEXTILES; PAPER
01
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING
F
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
9
Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
08
of inorganic material
12
Carbon filaments; Apparatus specially adapted for the manufacture thereof
14
by decomposition of organic filaments
20
from polyaddition, polycondensation or polymerisation products
21
from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
22
from polyacrylonitriles
Applicants:
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. [DE/DE]; Hansastraße 27c 80686 München, DE
Inventors:
LEHMANN, André; DE
TARKHANOV, Evgueni; DE
Agent:
PFENNING, MEINIG & PARTNER MBB; Theresienhöhe 11a 80339 München, DE
Priority Data:
Title (EN) METHOD FOR PRODUCING A MULTIFILAMENT YARN AND MULTIFILAMENT YARN
(FR) PROCÉDÉ DE FABRICATION D'UN FIL MULTIFILAMENT ET FIL MULTIFILAMENT
(DE) VERFAHREN ZUR HERSTELLUNG EINES MULTIFILAMENTSGARNES SOWIE MULTIFILAMENTGARN
Abstract:
(EN) The present invention relates to a method for producing a multifilament yarn from a melt of a copolymer of polyacrylic nitrile. The method is characterized in that a multifilament yarn is produced by means of pressing a melt of a copolymer through a spinning nozzle and is subsequently stretched at least tenfold. The present invention further relates to a correspondingly produced multifilament yarn.
(FR) La présente invention concerne un procédé de fabrication d’un fil multifilament à partir d’une masse fondue d’un copolymère de polyacrylonitrile. Ce procédé se caractérise en ce qu’un fil multifilament est produit par extrusion d’une masse fondue d’un copolymère à travers une filière, puis ce fil est étiré au moins d’un facteur 10. La présente invention concerne par ailleurs un fil multifilament fabriqué par ce procédé.
(DE) Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines Multifilamentgarnes aus einer Schmelze eines Copolymeren von Polyacrylnitril. Das Verfahren zeichnet sich dadurch aus, dass ein Multifilamentgarn durch Pressen einer Schmelze eines Copolymeren durch eine Spinndüse erzeugt und anschließend um mindestens das Zehnfache verstreckt wird. Die vorliegende Erfindung betrifft zudem ein entsprechend hergestelltes Multifilamentgarn.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)