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EP0287604B2 - Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede - Google Patents
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EP0287604B2 - Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede - Google Patents

Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede Download PDF

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Publication number
EP0287604B2
EP0287604B2 EP87906653A EP87906653A EP0287604B2 EP 0287604 B2 EP0287604 B2 EP 0287604B2 EP 87906653 A EP87906653 A EP 87906653A EP 87906653 A EP87906653 A EP 87906653A EP 0287604 B2 EP0287604 B2 EP 0287604B2
Authority
EP
European Patent Office
Prior art keywords
tex
polyester
shrinkage
thread
poy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP87906653A
Other languages
German (de)
English (en)
Other versions
EP0287604B1 (fr
EP0287604A1 (fr
Inventor
Hugo Specker
Paul Schaffner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viscosuisse SA
Original Assignee
Rhone Poulenc Viscosuisse SA
Societe de la Viscose Suisse SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4272398&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0287604(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Viscosuisse SA, Societe de la Viscose Suisse SA filed Critical Rhone Poulenc Viscosuisse SA
Priority to AT87906653T priority Critical patent/ATE62281T1/de
Publication of EP0287604A1 publication Critical patent/EP0287604A1/fr
Publication of EP0287604B1 publication Critical patent/EP0287604B1/fr
Application granted granted Critical
Publication of EP0287604B2 publication Critical patent/EP0287604B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber

Definitions

  • the present invention relates to a method for producing a smooth, cold-drawn, multifilament filament thread made of polyester POY and a thread produced by this method.
  • a smooth multifilament filament thread is to be understood as a non-textured filament thread which retains its uncurled flat shape even after boiling in water.
  • Polyester is to be understood as a thermoplastic which was produced from at least 85% by weight of terephthalic acid and ethylene glycol.
  • the polyester POY Partially Oriented Yarn
  • a polyester thread with a titer of about 50 to 1200 dtex which was melt spun at a speed of about 2800 to 4000 m / min.
  • the delivery roll can be unheated for stretching or have a temperature of up to 70 ° C.
  • the drawing can be carried out with or without the use of a drawing pin.
  • Homogeneous cold drawing should be understood to mean that the draw ratio must be chosen so high that there are no undrawn or less than the set draw ratio in the drawn thread, which e.g. can be recognized by the Uster%, which should generally be ⁇ 1.5. For POY from the specified speed range, this means that the draw ratio must be at least 1.6 depending on the spinning speed.
  • the known thread has the disadvantage that it still has too high a shrinkage.
  • such a thread must be shrunk before the bobbin dyeing and rewound on perforated dye tubes.
  • the object of the invention is to provide a method by means of which a thread can be produced which has an extremely low shrinkage and which in its other properties comes close to a cellulose acetate or viscose thread.
  • the object is achieved according to the invention by the feature of claim 1 and is characterized in that the polyester POY is homogeneously cold-drawn in a first process step with a draw ratio of at least 1.6 and hot-relaxed in a second process step with a lead of 10 to ⁇ 20% becomes.
  • the resulting thread is excellently suitable as a replacement material for cellulose acetate in smooth fabrics and shows a good suitability for roughening.
  • the thread will shrink too much; with a lead of more than about 20%, a crimp occurs, which is undesirable for the area of application of a smooth thread.
  • the thread produced by the method according to the invention is characterized by its strength-elongation diagram.
  • the reproduction of the complete strength-elongation diagram has good information about the mechanical behavior of the examined thread.
  • the key figures of the initial module
  • the reversibility limit, tensile strength and elongation at break are determined from these in a known manner, for example the initial module from the linear slope at the beginning of the diagram, the reversibility limit corresponding to the strength from which the diagram deviates from the linear course.
  • the thread according to the invention must simultaneously meet the following conditions: it must have an initial modulus of 200 to 800 cN / tex, in particular 350 to 500 cN / tex; a reversibility limit of 4 to 12 cN / tex, in particular 6 to 12 cN / tex; a boil-off shrinkage of 0 to 1.9%; an intrinsic viscosity of 0.60 to 0.75 dl / g, in particular 0.62 to 0.66 dl / g, measured at 25 ° C.
  • the largely shrunk thread has the advantage that in the case of bobbin dyeing, it can be twisted directly onto a perforated dye tube without steaming and rewinding.
  • a polyester POY according to the preamble of claim 1 with an intrinsic viscosity of 0.62 dl / g serves as the starting material for both examples.
  • the processing thread tension in the 2nd stage results from the process-related relaxation tension.
  • the swirling takes place at approx. 25 knots / meter and the winding at 420 m / min.
  • a polyester POY dtex 100 f 36 spun at 3100 m / min is drawn at a take-off speed of 530 m / min and a ratio of 1: 1.8 without a drawing pin at room temperature and swirled at about 15 knots / meter immediately after the drawing zone .
  • the thread is fed through a closed radiation heater of 70 cm in length at a heater temperature of 225 ° C. with a lead of 20%.
  • the processing thread tension corresponds to the process-related relaxation tension.
  • the take-off speed is 110 m / min.
  • polyester threads according to the invention are represented by their characteristic curves in FIGS. 2-4.
  • the curves obtained from the continuous and discontinuous manufacturing process are practically identical.
  • the reference numeral 1 denotes a first delivery plant 1.
  • the delivery unit 1 is followed by a second delivery unit 2 with a separating roller 2 '.
  • a heater 3 is arranged between the delivery unit 2 and a take-off unit 4 with a separating roller 4 ', which is followed by a winding unit.
  • An undrawn polyester POY 5a is taken up by the delivery unit 1 and is cold drawn by the delivery unit 2 in a stretching zone 5b.
  • the take-off unit 4 runs at a lower speed than the delivery unit 2, as a result of which the drawn thread passes through the heater 3 with an adjustable advance in a relaxation zone 5c. The result is a heat-relaxed thread with the properties according to the invention.
  • the thread according to the invention is suitable for woven goods, knitted goods and especially for pile goods such as velvet, velor etc.
  • the improved tactile properties are very similar to those of cellulose acetate and viscose.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)

Abstract

Un procédé pour fabriquer un fil continu de polyester lisse et à faible retrait part d'un fil à orientation partielle (POY) et à filage rapide. Le fil POY de polyester (5a) est étiré à froid (5b) et ensuite soumis, avec une suralimentation de 10 à 20 %, à une relaxation à chaud (5c) à une température comprise entre 140 et 250°C dans le milieu sec ou bien entre 70 et 140°C dans le milieu humide, après quoi il subit le tourbillonnage nécessaire. On obtient un fil présentant un module initial compris entre 200 et 800 cN/tex et un retrait de débouillissage < 3 %. Ce fil convient comme matériau de remplacement de l'acétocellulose.

Claims (5)

  1. Procédé pour la fabrication d'un multifil polyester-POY, lisse, étiré à froid, caractérisé en ce que dans une première étape le polyester-POY est étiré homogènement à froid avec un rapport d'étirage d'au moins 1,6 et dans une seconde étape est relaxé à chaud avec une avance de 10 à < 20 %.
  2. Procédé selon la revendication 1, caractérisé en ce que la relaxation à chaud a lieu de 140° à 250°C dans un milieu sec.
  3. Procédé selon la revendication 1, caractérisé en ce que la relaxation à chaud a lieu de 70° à 140°C dans un milieu humide.
  4. Procédé selon les revendications 1 à 3, caractérisé en ce que la vitesse de dévidage va de 100 à 1000 m/min lors de la relaxation à chaud.
  5. Fil de polyester fabriqué selon le procédé des revendications 1 à 4 d'un module initial de 200-800cN/tex, d'une viscosité intrinsèque de 0,6-0,75 dl/g (à 25°C dans le Phénol/tétrachloréthane 1:1) d'un retrait à la chaleur de < 2% (à 160°, prétension 0.1 cN/tex), et d'un module au retrait de 1-30 cN/tex, caracterisé en ce que le fil remplisse simultanément les conditions suivantes: limite de réversibilité 4 - 12 cN/tex retrait à l décoction 0 - 1,9 % force de retrait à la chaleur (à 160°, prétension 0,1 cN/tex) < 0,1 cN/tex
EP87906653A 1986-10-24 1987-10-20 Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede Expired - Lifetime EP0287604B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87906653T ATE62281T1 (de) 1986-10-24 1987-10-20 Verfahren zur herstellung eines glatten polyesterfadens und polyesterfaden hergestellt nach dem verfahren.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH423986 1986-10-24
CH4239/86 1986-10-24
PCT/CH1987/000143 WO1988003185A1 (fr) 1986-10-24 1987-10-20 Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede

Publications (3)

Publication Number Publication Date
EP0287604A1 EP0287604A1 (fr) 1988-10-26
EP0287604B1 EP0287604B1 (fr) 1991-04-03
EP0287604B2 true EP0287604B2 (fr) 1995-03-15

Family

ID=4272398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87906653A Expired - Lifetime EP0287604B2 (fr) 1986-10-24 1987-10-20 Procede pour la fabrication d'un fil de polyester lisse et fil de polyester fabrique selon ce procede

Country Status (4)

Country Link
US (1) US4950539A (fr)
EP (1) EP0287604B2 (fr)
CA (1) CA1292602C (fr)
WO (1) WO1988003185A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989003437A1 (fr) * 1987-10-13 1989-04-20 Viscosuisse Sa Procede de fabrication d'un fil lisse en polyester et fil obtenu par ce procede
WO1993010289A1 (fr) * 1991-11-18 1993-05-27 E.I. Du Pont De Nemours And Company Ameliorations relatives a des brins, des fils et des cables de polyester
JPH08501355A (ja) * 1993-07-02 1996-02-13 ローヌ−プーラン ヴィスコスイス ソシエテ アノニム 防汚性で耐摩耗性のモノフィラメントの製造方法およびその用途
FR2750706B1 (fr) * 1996-07-04 1998-11-20 Rhone Poulenc Fibres & Polymer Filaments en matiere synthetique et procede de fabrication d'un tel filament
GB2319745B (en) * 1996-11-27 2001-01-10 Du Pont Spinning machine and conversion process
US6763559B2 (en) * 2002-04-25 2004-07-20 Scimed Life Systems, Inc. Cold drawing process of polymeric yarns suitable for use in implantable medical devices
ITFI20060016A1 (it) * 2006-01-18 2007-07-19 Crotti Mariella Dispositivo e metodo per lo stiro di un filato, e confezione di filato cosi' ottenuta

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248855C2 (de) * 1960-08-13 1973-10-18 Verfahren zur herstellung von fasern oder faeden aus linearen polyestern
US3651198A (en) * 1968-02-15 1972-03-21 Teijin Ltd Drawing and heat treatments of polyester filaments
DE2004558B2 (de) * 1969-02-03 1975-03-27 Teijin Ltd., Osaka (Japan) Verfahren zum Strecken von Polyesterfäden
US3816486A (en) * 1969-11-26 1974-06-11 Du Pont Two stage drawn and relaxed staple fiber
DE2318887C3 (de) * 1973-04-14 1982-11-11 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von Polyesterfäden durch Schrumpfbehandlung heißverstreckter Fäden in zwei Stufen
JPS5115014A (en) * 1974-07-23 1976-02-06 Toray Industries Boshihikitorihoho
FR2414568A1 (fr) 1978-01-13 1979-08-10 Asa Sa Procede et dispositif pour le traitement de fils chimiques multifilamentaires partiellement etires
US4195052A (en) * 1976-10-26 1980-03-25 Celanese Corporation Production of improved polyester filaments of high strength possessing an unusually stable internal structure
BR7805878A (pt) * 1977-09-12 1979-04-24 Du Pont Fio plano e estopa contendo filamentos continuos de poli(etileno-tereftalato),fio plano de poliester e estopa de poli-ester contendo filamentos continuos de poli(etileno-tereftalato)e fibra textil de poli(etileno-tereftalato)
AR226929A1 (es) 1980-11-24 1982-08-31 Inventa Ag Un procedimiento para la fabricacion en una sola etapa de multifilamentos textiles completamente estirados
JPS5898419A (ja) * 1981-12-02 1983-06-11 Touyoubou Pet Koode Kk 熱寸法安定性および化学安定性にすぐれると同時に高強度を有するポリエステル繊維
JPS58203165A (ja) * 1982-05-24 1983-11-26 帝人株式会社 ポリエステル布帛の製造方法
DE3370031D1 (en) 1982-12-17 1987-04-09 Schweizerische Viscose Crimped polyester yarn based on a partially orientated, cold drawn polyester yarn and manufacturing process thereof
JPS59116414A (ja) * 1982-12-24 1984-07-05 Unitika Ltd ゴム補強用ポリエステル繊維

Also Published As

Publication number Publication date
EP0287604B1 (fr) 1991-04-03
EP0287604A1 (fr) 1988-10-26
WO1988003185A1 (fr) 1988-05-05
CA1292602C (fr) 1991-12-03
US4950539A (en) 1990-08-21

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