EP0843749B1 - Verfahren und vorrichtung zum herstellen von polyestergarnen - Google Patents
Verfahren und vorrichtung zum herstellen von polyestergarnen Download PDFInfo
- Publication number
- EP0843749B1 EP0843749B1 EP96926368A EP96926368A EP0843749B1 EP 0843749 B1 EP0843749 B1 EP 0843749B1 EP 96926368 A EP96926368 A EP 96926368A EP 96926368 A EP96926368 A EP 96926368A EP 0843749 B1 EP0843749 B1 EP 0843749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyester filaments
- countercurrent
- dtex
- air
- polyester
- 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
Links
Images
Classifications
-
- 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
-
- 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
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- 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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- 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
- 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
- D02J1/228—Stretching in two or more steps, with or without intermediate steps
Definitions
- the invention relates to a method for producing Polyester yarns according to the preamble of claim 1, according to which melt-spun polyester filaments behind a spinneret in a cooling zone cools at least solidification temperature and then for the purpose of stretching in a heating zone on a Temperature above the glass transition point or Freezing point warmed, and to generate the required Yield stress from a gaseous Medium is blown in counterflow and a device according to the preamble of claim 9.
- US-A-47 43 504 is concerned with the manufacture of Plastic yarn, especially polyester yarn, based on a High speed melt spinning.
- This Context is treated which plastic yarn specific properties regarding birefringence, Has viscosity, etc.
- the threads and not the microfilaments are passed through a heating zone and in this to a temperature between the glass and Melting point heated.
- This heating zone can be of various types be built u. a. also counter- or co-flowing Have air.
- the Frictional resistance not increased.
- Do not pre-stretch. It would actually be a stretching process even disadvantageous at this point, as a uniform heating of the filaments and consequently of the the filament bundled plastic thread over his entire cross section to a temperature above the Solidification point is hardly possible.
- Secondary draw down zone refers to the Threads and not the microfilaments. Because in the quench zone following the spinneret are the individual filaments already spun or bundled into a yarn.
- polyester filaments leave one here Spinning head, in connection to a cooling chamber or a To go through blow box. Directly after the The aforementioned filaments become one cooling chamber Bundles gathered and as a yarn a subsequent Subjected to heating. For this purpose the yarn goes through and not the polyester filaments a heating tube. Subsequently the yarn is drawn, with an aspect ratio between 1.3 and 1.7. This will set by means of two godets over which the yarn at a speed between 3500 to 5300 m / min running.
- EP-B 0 491 012 (corresponding to the PCT / DE 91/00420) such a method has become known, at which microfilaments with a single titer ⁇ 1.0 dtex for final stretching at a take-off speed up to 8000 m / min through the heating zone and be blown in counterflow. After this known methods are fully stretched plastic threads generated without post-treatment, which becomes a special let fine and supple goods be processed.
- the invention is based on the technical problem Method and an apparatus to indicate what Polyester yarns with optimized properties for technical Have uses made in a rational manner.
- the invention further teaches that the amount of air and The temperature of the counterflow air can be set so that a thread stretch ⁇ 50%, preferably 30% to 40%, is achieved. Furthermore, the withdrawal speed of the Polyester filaments, the amount of air and the temperature of the Counterflow air can be adjusted so that a tensile strength the polyester filaments> 3.2 cN / dtex, preferably 3.4 cN / dtex to 4.5 cN / dtex. In addition, there is Possibility of the amount of air and the temperature of the counterflow air set so that a hot air shrinkage ⁇ 6% (at 177 ° C) is reached.
- Polyester filaments following the counter current treatment continuously stretched so that a single step Manufacturing process is realized.
- the post-stretched Polyester filaments may be before winding be subjected to a swirling and re-preparation.
- the polyester filaments in a separate treatment stage be stretched, for example on one Stretching device such as draw twine or stretch winder.
- the invention also relates to a device for producing polyester yarns from polyester filaments with a single denier from 1.0 dtex to 7.5 dtex according to the method described above, with at least one spinneret of a cooling zone downstream of the spinneret and of a countercurrent heating zone downstream of the cooling zone.
- This device which is characterized by a particularly simple and functional design with a high production speed, is characterized in that the godets heated for the purpose of pre-stretching the polyester filaments with an air flow of 5 m 3 / h to 25 m 3 / h in countercurrent heating zone for the purpose of post-stretching with a godet temperature of 80 ° C to 250 ° C are subordinate that the godets can be driven at different speeds to set a predetermined stretching ratio, and that the godets one with a winding speed of 5000 m / min to 8000 m / min working rewinder for the post-stretched polyester filaments.
- the single figure shows a device according to the invention for the production of fully oriented technical polyester yarns.
- This is a spinning device 1 with an extruder 2 and a spinning beam provided as a spinneret 3.
- the Extruder 2 supplies the spinneret 3 with polyester melt.
- the starting product for the polyester melt is a polyester granulate in the viscosity range IV 0.60 - 1.10 dl / g.
- On the spinneret 3 is followed by a reheater zone 4.
- a cooling zone with blowing follows. To the cooling zone 5 is followed by a countercurrent heating zone 7, in the the unbundled polyester filaments 8 in countercurrent be blown. This is followed by a device for the preparation order 9 and thread bundling after Exit from the counterflow heating zone 7.
- the counterflow heating zone 7 heatable godets 10 are arranged downstream.
- the Godets 10 are at different speeds drivable.
- the godet 10 is a winder 11 for the post-stretched polyester
- the post-stretched polyester filaments 8 and the polyester yarns produced therefrom have the following properties: Elongation at break 6.5% to 12% tensile strenght 5 cN / dtex to 7.5 cN / dtex Shrink, hot air 177 ° C ⁇ 6.0%.
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)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Description
Bruchdehnung | 6,5 % bis 12 % |
Zugfestigkeit | 5 cN/dtex bis 7,5 cN/dtex |
Schrumpf, Heißluft 177° C | ≤ 6,0 %. |
Claims (9)
- Verfahren zum Herstellen von Polyestergarnen, wonachdie Polyestergarne im Wege der Bündelung von schmelzgesponnenen Polyesterfilamenten (8) erzeugt werden, wonach fernerdie Polyesterfilamemte (8) hinter einer Spinndüse (3) in einer Kühlzone (5) auf zumindest Erstarrungstemperatur abgekühlt und anschließend zum Zwecke des Verstreckens in einer Gegenstromheizzone (7) auf eine Temperatur oberhalb des Glasübergangspunktes erwärmt werden, dadurch gekennzeichnet, daßdie Polyesterfilamente (8) zur Erzeugung der erforderlichen Streckspannung in ungebündelter Ausrichtung durch die Gegenstromheizzone (7) hindurchgeführt und mit einer Luftmenge von 5 m3/h bis 25 m3/h im Gegenstrom angeblasen und vorverstreckt werden, daßdie Polyesterfilamente (8) mit einem Einzeltiter von 1,0 dtex bis 7,5 dtex anschließend bei Temperaturen von 80° C bis 250° C in einem Streckverhältnis von 1:1,5 bis 1:1,15 nachverstreckt werden, und daßdie Polyesterfilamente (8) abschließend mit einer Aufwickelgeschwindigkeit von 5000 m/min bis 8000 m/min aufgewickelt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Polyesterfilamente (8) bei einer Temperatur von 200° C bis 350° C, vorzugsweise 225° C bis 285° C, im Gegenstrom angeblasen werden.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Polyesterfilamente (8) mit einer Abzugsgeschwindigkeit von 3000 m/min bis 7500 m/min durch den Gegenstrom hindurchgezogen werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Luftmenge und die Temperatur der Gegenstromluft so eingestellt werden, daß eine Fadendehnung < 50 %, vorzugsweise 30 % bis 40 %, erzielt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Abzugsgeschwindigkeit der Polyesterfilamente (8) die Luftmenge und die Temperatur der Gegenstromluft so eingestellt werden, daß eine Zugfestigkeit der Polyesterfilamente (8) von 3,2 cN/dtex vorzugsweise 3,4 cN/dtex bis 4,5 cN/dtex erzielt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Luftmenge und die Temperatur der Gegenstromluft so eingestellt werden, daß ein Heißluftschrumpf von ≤ 6% (bei 177° C) erzielt wird.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Polyesterfilamente (8) kontinuierlich im Anschluß an die Gegenstrombehandlung nachverstreckt werden.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Polyesterfilamente (8) in einer getrennten Behandlungsstufe nachverstreckt werden.
- Vorrichtung zum Herstellen von Polyestergarnen aus Polyesterfilamenten (8) mit einem Einzeltiter von 1,0 dtex bis 7,5 dtex gemäß dem Verfahren nach einem der Ansprüche 1 bis 8, mit zumindest einer Spinndüse (3), einer der Spinndüse (3) nachgeordneten Kühlzone (5) und einer der Kühlzone (5) nachgeordneten Gegenstromheizzone (7), dadurch gekennzeichnet, daß der zum Zwecke der Vorverstreckung der Polyesterfilamente (8) mit einer Luftmenge von 5 m3/h bis 25 m3/h im Gegenstrom betriebenen Gegenstromheizzone (7) beheizte Galetten (10) zum Zwecke der Nachverstreckung mit einer Galettentemperatur von 80°C bis 250°C nachgeordnet sind, daß die Galetten (10) zur Einstellung eines vorgegebenen Streckverhältnisses mit unterschiedlichen Geschwindigkeiten antreibbar sind, und daß den Galetten (10) eine mit einer Aufwickelgeschwindigkeit von 5000 m/min bis 8000 m/min arbeitende Aufwickelvorrichtung (11) für die nachverstreckten Polyesterfilamente (8) nachgeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19529135A DE19529135A1 (de) | 1995-08-08 | 1995-08-08 | Verfahren und Vorrichtung zum Herstellen von Polyestergarnen |
DE19529135 | 1995-08-08 | ||
PCT/EP1996/003182 WO1997006293A1 (de) | 1995-08-08 | 1996-07-19 | Verfahren und vorrichtung zum herstellen von polyestergarnen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0843749A1 EP0843749A1 (de) | 1998-05-27 |
EP0843749B1 true EP0843749B1 (de) | 2000-02-09 |
Family
ID=7768998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96926368A Expired - Lifetime EP0843749B1 (de) | 1995-08-08 | 1996-07-19 | Verfahren und vorrichtung zum herstellen von polyestergarnen |
Country Status (11)
Country | Link |
---|---|
US (1) | US5965073A (de) |
EP (1) | EP0843749B1 (de) |
KR (1) | KR100267601B1 (de) |
CN (1) | CN1063497C (de) |
AU (1) | AU6658096A (de) |
BR (1) | BR9609889A (de) |
DE (2) | DE19529135A1 (de) |
ES (1) | ES2143772T3 (de) |
MX (1) | MX9800950A (de) |
PT (1) | PT843749E (de) |
WO (1) | WO1997006293A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19816979A1 (de) * | 1998-04-17 | 1999-10-21 | Brown John Deutsche Eng Gmbh | Verfahren und Vorrichtung zum Herstellen von Polyestergarnen |
KR20010019393A (ko) * | 1999-08-23 | 2001-03-15 | 박종계 | 냉각온도 차이를 이용한 합성수지제 실의 변형방법 및 그장치 |
EP1361300B1 (de) * | 2000-12-20 | 2006-07-19 | Teijin Limited | Verfahren zur herstellung von garn aus gemischten polyester fasern |
CN1888167A (zh) * | 2006-07-14 | 2007-01-03 | 吕迎智 | 热辊缠绕加热生产卷曲涤纶长丝的方法 |
CN102776584B (zh) * | 2012-07-30 | 2013-12-18 | 苏州龙杰特种纤维股份有限公司 | 一种由pet聚酯生产高弹力纤维的方法及由其所得高弹力纤维 |
KR101429701B1 (ko) | 2012-10-22 | 2014-08-12 | 한국생산기술연구원 | 복합섬유 제조방법 및 제조장치, 그에 의해 제조된 복합섬유 |
CN105420865A (zh) * | 2015-12-31 | 2016-03-23 | 江南大学 | 一种弹力长丝的生产方法 |
ES2908921T3 (es) * | 2016-08-10 | 2022-05-04 | Yamashin Filter Corp | Método de fabricación de fibras finas y aparato de fabricación de fibras finas |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0042664B1 (de) * | 1980-06-24 | 1983-09-21 | Imperial Chemical Industries Plc | Mittels Schmelzspinnverfahren mit hoher Geschwindigkeit hergestellte Polyestergarne |
JPH086203B2 (ja) * | 1986-07-03 | 1996-01-24 | 東レ株式会社 | 熱可塑性合成繊維の製造方法 |
DE4021545A1 (de) * | 1990-07-06 | 1992-01-16 | Engineering Der Voest Alpine I | Verfahren und vorrichtung zum herstellen von kunststoffaeden oder -fasern aus polymeren, insbesondere polyamid, polyester oder polypropylen |
DE4224453A1 (de) * | 1991-08-02 | 1993-02-04 | Barmag Barmer Maschf | Verfahren zum herstellen eines hochfesten multifilen synthesegarnes |
CA2080621A1 (en) * | 1992-03-30 | 1993-10-01 | George M. Kent | Continuous process for spinning and drawing polyamide and apparatus thereof |
JP2692513B2 (ja) * | 1992-11-10 | 1997-12-17 | 東レ株式会社 | ポリエステル繊維の製造方法および装置 |
DE59601798D1 (de) * | 1995-02-23 | 1999-06-10 | Barmag Barmer Maschf | Verfahren zum Spinnen, Verstrecken und Aufspulen eines synthetischen Fadens |
-
1995
- 1995-08-08 DE DE19529135A patent/DE19529135A1/de not_active Ceased
- 1995-10-09 CN CN95117724A patent/CN1063497C/zh not_active Expired - Fee Related
-
1996
- 1996-07-19 EP EP96926368A patent/EP0843749B1/de not_active Expired - Lifetime
- 1996-07-19 DE DE59604431T patent/DE59604431D1/de not_active Expired - Fee Related
- 1996-07-19 ES ES96926368T patent/ES2143772T3/es not_active Expired - Lifetime
- 1996-07-19 BR BR9609889-9A patent/BR9609889A/pt not_active IP Right Cessation
- 1996-07-19 WO PCT/EP1996/003182 patent/WO1997006293A1/de active IP Right Grant
- 1996-07-19 PT PT96926368T patent/PT843749E/pt unknown
- 1996-07-19 KR KR1019980700864A patent/KR100267601B1/ko not_active IP Right Cessation
- 1996-07-19 US US09/011,013 patent/US5965073A/en not_active Expired - Fee Related
- 1996-07-19 AU AU66580/96A patent/AU6658096A/en not_active Abandoned
-
1998
- 1998-02-03 MX MX9800950A patent/MX9800950A/es not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59604431D1 (de) | 2000-03-16 |
ES2143772T3 (es) | 2000-05-16 |
BR9609889A (pt) | 1999-12-21 |
WO1997006293A1 (de) | 1997-02-20 |
KR19990036196A (ko) | 1999-05-25 |
KR100267601B1 (ko) | 2000-10-16 |
DE19529135A1 (de) | 1997-02-13 |
EP0843749A1 (de) | 1998-05-27 |
PT843749E (pt) | 2000-07-31 |
MX9800950A (es) | 1998-11-30 |
CN1142546A (zh) | 1997-02-12 |
CN1063497C (zh) | 2001-03-21 |
AU6658096A (en) | 1997-03-05 |
US5965073A (en) | 1999-10-12 |
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