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WO2013013332A1 - Procede et installation de fabrication d'un fil hmls - Google Patents

Procede et installation de fabrication d'un fil hmls Download PDF

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Publication number
WO2013013332A1
WO2013013332A1 PCT/CH2012/000173 CH2012000173W WO2013013332A1 WO 2013013332 A1 WO2013013332 A1 WO 2013013332A1 CH 2012000173 W CH2012000173 W CH 2012000173W WO 2013013332 A1 WO2013013332 A1 WO 2013013332A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
rollers
draw
thread
roller pair
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.)
Ceased
Application number
PCT/CH2012/000173
Other languages
German (de)
English (en)
Inventor
Lassaad NASRI
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.)
SWISSTEX WINTERTHUR AG
Original Assignee
SWISSTEX WINTERTHUR AG
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
Application filed by SWISSTEX WINTERTHUR AG filed Critical SWISSTEX WINTERTHUR AG
Priority to ES12745993T priority Critical patent/ES2954268T3/es
Priority to EP12745993.1A priority patent/EP2737114B1/fr
Priority to JP2014521893A priority patent/JP5984929B2/ja
Priority to CN201280044423.2A priority patent/CN103797165B/zh
Publication of WO2013013332A1 publication Critical patent/WO2013013332A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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

Definitions

  • the present invention relates to an apparatus for producing an HMLS yarn of polyester (PET).
  • HMLS High Modulus Low Shrinkage yarns are mainly used in tire reinforcement, the so-called Tire Cord.
  • HMLS yarns made of polyester (PET) a multiplicity of filament strands are extruded through spinnerets in a spinning device and subsequently cooled. The cooling is usually done with air in a so-called blow duct. The filament strands are combined into a yarn and drawn in a draw zone. Subsequently, the yarn is wound on a spool.
  • the starting material used for the production of the game and the manner in which the filament strands are drawn influence the properties of the end product to be achieved. It should be noted that a large proportion of the total stretch is already made between the spinneret and the collection of filament strands into one yarn.
  • the filament strands leave the spinneret during the production of HMLS yarns at a speed of about 10 m / min and are withdrawn through an inlet roller at the beginning of the draw zone at about 2 ⁇ 00 m / min. Between the spinneret and the inlet roller, the filament strands are thus stretched by about two hundred times the length. This results in the consequence in the draw zone as well as on the winder very high speeds of the rollers and coils. Due to the high speed and thread guide elements are heavily stressed. This leads to high wear and a correspondingly short life of the elements used.
  • WO2009 / 061161 discloses such a method.
  • a further increase in the strength of the polyester threads is achieved by the use of a polymer melt having a high intrinsic viscosity.
  • the polymer melt is kept under a nitrogen atmosphere to avoid contact with the ambient air.
  • CONFIRMATION COPY Filament strands are passed immediately after the spinnerets through a reheater, which further improves a stretchability of the filament strands.
  • the apparatus for producing a HMLS yarn of polyester comprises a spinning device having a spinneret for extruding and a blowing chute for cooling a plurality of filament strands, a device for applying a spin finish and for combining the filament strands into a thread, with a winding device and with a draw zone provided between the spinning device and the winding device for drawing the thread.
  • the draw zone is formed by an inlet roller pair arranged downstream of the spinning device and subsequent four to six pairs of draw rolls.
  • the first pairs of stretching rollers are provided with a heating device and the last pair of stretching rollers is provided with a cooling device. At least one of the two rollers of a respective pair of stretch rollers is provided with a heating or cooling device.
  • the speed at which the thread is withdrawn from the spinning device through the inlet roller pair is 500 m / min to 700 m / min.
  • the active cooling of the thread over the last pair of stretching rollers results in an influence on the molecular chains in the polyester, which leads to an increase in the strength.
  • the crystallinity and the orientation of the molecules are influenced and the molecular structure is fixed by the cooling. Due to the active cooling of the filament at the end of the draw zone, the distortion of the filament strands in the spinning process can be greatly increased compared to the conventional methods. be reduced and still produce a thread with a high modulus at low shrinkage.
  • the inlet roller pair as well as the stretch roller pairs can be designed as so-called duos with two driven rollers or as so-called monos with a driven roller and an associated Beilaufrolle.
  • a run-in roll and five pairs of draw rolls are used.
  • the inlet roller as a mono and the stretch roller pairs are designed as a duo.
  • the respective pairs of rollers are repeatedly wrapped by the thread.
  • a surface temperature of the roller provided with the cooling device of the last stretch roller pair of less than 100 ° C is provided.
  • the surface temperature is less than 80 ° C.
  • the cooling effect on the thread pair looping around the pair of stretching rollers can additionally be increased, since both rollers of the last pair of stretching rollers are provided with a cooling device.
  • the cooling device is best suited for liquid cooling. Heat is extracted from the thread over the surface of the roll. The heat is dissipated via a circulating in the role of coolant and withdrawn in a heat exchanger of the cooling liquid again.
  • the cooling liquid is regulated in its temperature such that the surface temperature of the roll does not exceed the predetermined temperature of 100 ° C, preferably 80 ° C.
  • Such cooling systems are known from the prior art.
  • the draw zone is formed by the inlet roller pair and the following pairs of stretch rollers.
  • the Einlaufrollencru are arranged downstream of five pairs of draw rolls. Over the entire draw zone, a total draw of the yarn entering from the spinning device is provided to three to eight times its original length. Preferably, the total stretch is five to seven times.
  • the draws are between the pair of infeed rollers and the first pair of draw rollers .02 to 1.1, between the first pair of draw rollers and the second pair of draw rollers 4 to 6, between the second pair of draw rollers and the third pair of draw rollers 1.2 to 2.0, between the third linear roller.
  • the draws 0.4 are between the first pair of draw rolls and the second draw roll pair 4.6, between the second pair of draw rolls and the third draw roll pair 1.3, between the third draw roll pair and the fourth draw roll pair 0.96 and between the fourth draw roll pair and the fifth draw roll pair 0.97.
  • the actual stretching is carried out in each case between the stretched roller pairs.
  • the two rollers of a draw roller pair are operated at substantially the same speed.
  • the temperatures of the heated stretch rollers are provided.
  • at least one of the two rollers of a draw roller pair is heated.
  • both rollers of a pair of draw rollers are heated to the same temperature.
  • the surface temperatures are in the range 40 ° C to 90 ° C for the first pair of stretch rollers, 80 ° C to 170 ° C for the second
  • Stretching roller pair 120 ° C to 280 ° C for the third pair of stretching rollers and 120 ° C to 250 ° C for the fourth pair of stretching rollers.
  • the surface temperatures are 85 ° C for the first pair of draw rolls, 110 ° C for the second pair of draw rolls, 250 ° C for the third pair of draw rolls, and 250 ° C for the fourth pair of draw rolls.
  • the fifth pair of draw rolls due to the cooled surface, has the effect of influencing and fixing the molecular orientation within the individual filaments of the thread, thereby providing higher strength.
  • threads can be produced which have a strength of more than 70 cN / tex with an elongation of less than 13%.
  • the threads thus produced also have a
  • the process for producing an HMLS yarn from a polyester melt (PET) comprises the following process steps:
  • a spin finish is applied to the thread, the application of a spin finish improves the sliding properties of the individual filaments with each other and with respect to the rollers in the following
  • the yarn is withdrawn from the blower shaft with a pair of inlet rollers at a speed of 400 m / min to 600 m / min, preferably 475 m / min
  • the yarn is drawn with a total draw of the yarn of 3 to 8 over the pair of infeed rolls and four to six successive draw pairs of rolls, heating the first pair of draw rolls and cooling the last pair of draw rolls
  • the thread is wound up with a winding device.
  • the filament strands between the spinneret and the inlet roller pair are stretched 50 to 80 times, preferably 60 times, and wound at a speed of 1'500 to 3'500 m / min.
  • the synthetic polyester melt preferably used in the process according to the invention has an intrinsic viscosity of less than 0.9 dl / gr.
  • FIG. Figure 1 shows a schematic representation of an embodiment of an apparatus for producing an endless thread of a synthetic polymer melt.
  • a spinning device 1 With a spinning device 1, a plurality of filament strands 4 are extruded at a temperature of 40 ° to 50 ° above the melting temperature of the polyester used.
  • the spinning device 1 comprises a spinneret 2 through which the individual filaments of the filament strand are formed.
  • the filament strands 4 are fed from the spinneret 2 at a certain speed V 1 to a blowing shaft 3.
  • the filament strands 4 pass through the blowing shaft 3 and are cooled to a temperature below 50 ° C.
  • the cooling is usually carried out by blowing the filament strands 4 with cooled blast air. Subsequently, the filament strands 4 are combined into a thread 6 and provided with a spin finish 5.
  • the yarn 6 passes to a pair of inlet rollers 7.
  • the inlet roller pair 7 consists of a driven roller and a non-driven auxiliary pulley. Through the inlet roller pair 7, the withdrawal speed V2 of the thread from the blow duct 3 is determined. The difference between the two velocities V1 and V2 results in the stretching of the filament strands 4 in the spinning process.
  • the Filamentsrzane 4 are withdrawn through the inlet roller 7 with a relation to the spinning speed V1 increased speed V2.
  • the thread 6 is guided over five pairs of stretching rollers 8, 9, 10, 11, 12.
  • the inlet roller pair 7 and the stretch roller pairs 8, 9, 10, 11, 12 are wrapped by the thread 6 several times.
  • the two rollers of a draw roller pair 8, 9, 10, 11, 12 are operated at substantially the same speed.
  • the thread 6 is stretched in each case between the pairs of draw rolls 8, 9, 10, 11, 12 and the first pair of draw rolls 8 and the pair of inlet rolls 7.
  • the former stretch roller pairs 8, 9, 10, 11 are provided with a heater (not shown).
  • the last stretch roller pair 12, however, is provided with a cooling device 14. At least one roller of the draw roller pair 12 is connected to the cooling device 14.
  • the introduced through the thread 6 in the stretch rollers of the draw roller pair 12 over the surface heat is dissipated by means of a coolant via coolant connections 13 to the cooling device 14.
  • the cooling device consists essentially of a heat exchanger, via which the in the coolant contained heat can be dissipated before this in turn is supplied to the stretch roller pair 8. To improve the efficiency, both rollers of the draw roller pair 12 could be connected to the cooling device 14.
  • the yarn 6 is fed to a winding device 16 via a swirling device 15 and wound up by it at a speed V3.
  • the speed V3 of the thread 6 on the winding device 16 is determined by the speed V1 of the filament strand 4 immediately after the spinneret 2 and the entire drawing of the filament strands 4 and the thread 6 on their way from the spinneret 2 via the blowing shaft 3 and the draw zone Winding device 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Adornments (AREA)

Abstract

L'invention concerne un procédé et une installation de fabrication d'un fil HMLS en polyester fondu (PET). L'installation comprend un dispositif de filage doté d'une filière d'extrusion et d'une soufflerie pour refroidir une pluralité d'écheveaux de filaments, un dispositif pour appliquer une préparation de filage et pour regrouper les écheveaux de filaments en un fil, un dispositif de bobinage et une zone d'étirage située entre le dispositif de filage et le dispositif de bobinage et destinée à étirer le fil. La zone d'étirage est formée d'une paire de rouleaux d'entrée disposée en aval du dispositif de filage et de quatre à six paires de rouleaux d'étirage situées en aval. Les premières paires de rouleaux d'étirage sont équipées d'un dispositif chauffant et la dernière paire de rouleaux d'étirage est dotée d'un dispositif de refroidissement. Au moins un des deux rouleaux d'une paire de rouleaux d'étirage respective est pourvu d'un dispositif chauffant ou d'un dispositif de refroidissement. La vitesse à laquelle le fil est tiré du dispositif de filage par la paire de rouleaux d'entrée est de 400 m/min à 600 m/min.
PCT/CH2012/000173 2011-07-25 2012-07-23 Procede et installation de fabrication d'un fil hmls Ceased WO2013013332A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES12745993T ES2954268T3 (es) 2011-07-25 2012-07-23 Procedimiento y dispositivo para la fabricación de un hilo HMLS
EP12745993.1A EP2737114B1 (fr) 2011-07-25 2012-07-23 Procédé et installation de fabrication d'un fil hmls
JP2014521893A JP5984929B2 (ja) 2011-07-25 2012-07-23 Ｈｍｌｓ糸の製造方法及び装置
CN201280044423.2A CN103797165B (zh) 2011-07-25 2012-07-23 用于生产hmls纱线的方法和装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1240/11 2011-07-25
CH01240/11A CH705306B1 (de) 2011-07-25 2011-07-25 Verfahren und Vorrichtung zur Herstellung eines HMLS-Garnes aus einer Polyesterschmelze.

Publications (1)

Publication Number Publication Date
WO2013013332A1 true WO2013013332A1 (fr) 2013-01-31

Family

ID=46650281

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2012/000173 Ceased WO2013013332A1 (fr) 2011-07-25 2012-07-23 Procede et installation de fabrication d'un fil hmls

Country Status (6)

Country Link
EP (1) EP2737114B1 (fr)
JP (1) JP5984929B2 (fr)
CN (1) CN103797165B (fr)
CH (1) CH705306B1 (fr)
ES (1) ES2954268T3 (fr)
WO (1) WO2013013332A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016096102A1 (fr) * 2014-12-19 2016-06-23 TRüTZSCHLER GMBH & CO. KG Procédé et appareil pour la production d'un fil de polyamide aliphatique à faible retrait et fil à faible retrait

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104060352B (zh) * 2014-05-30 2020-02-28 泰州市常沪线网有限公司 一种牵伸捻线机
JP6385790B2 (ja) * 2014-10-21 2018-09-05 Ｔｍｔマシナリー株式会社 紡糸延伸装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374797A (en) * 1980-07-12 1983-02-22 Davy Mckee Aktiengesellschaft Process for the production of high strength yarns by spin-stretching and yarns produced by the process, especially from polyamide-6 and polyester filaments
JPH11124726A (ja) * 1997-10-17 1999-05-11 Unitika Ltd 低伸度ポリエステル繊維及びその製造法
US6656583B1 (en) * 1999-08-10 2003-12-02 Lurgi Zimmer Ag High-strength polyester threads and method for producing the same
EP1382724A1 (fr) * 2002-07-20 2004-01-21 Hyosung Corporation Fil de polyester à haute résistance et faible rétraction et son procédé de production
WO2004011702A1 (fr) * 2002-07-26 2004-02-05 Kolon Industries, Inc. Fil etire de polyester a faible retrait et a haute resistance et procede de preparation associe
WO2009061161A1 (fr) 2007-11-09 2009-05-14 Kolon Industries, Inc. Fibre polyester industrielle hautement résistante présentant des propriétés de fluage élevées et procédé de réalisation d'une telle fibre
EP2123806A1 (fr) * 2007-02-28 2009-11-25 Teijin Fibers Limited Fibre de poly(naphtalate d'éthylène) et son procédé de fabrication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5356582A (en) * 1986-01-30 1994-10-18 E. I. Du Pont De Nemours And Company Continuous hollow filament, yarns, and tows
JP3134480B2 (ja) * 1992-04-15 2001-02-13 東レ株式会社 スクリーン紗用ポリエステルモノフィラメントの製造方法
JP3224275B2 (ja) * 1992-06-26 2001-10-29 帝人株式会社 異収縮混繊糸の製造方法
JP3130683B2 (ja) * 1992-10-22 2001-01-31 帝人株式会社 寸法安定性の改善されたポリエステル繊維の製造法
JPH09316725A (ja) * 1996-05-31 1997-12-09 Nippon Ester Co Ltd ポリエステル繊維の紡糸直接延伸装置
EP1221499A1 (fr) * 2001-01-05 2002-07-10 Acordis Industrial Fibers bv Procédé de filage par étirage pour la fabrication de fils par le filage au fondu

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374797A (en) * 1980-07-12 1983-02-22 Davy Mckee Aktiengesellschaft Process for the production of high strength yarns by spin-stretching and yarns produced by the process, especially from polyamide-6 and polyester filaments
JPH11124726A (ja) * 1997-10-17 1999-05-11 Unitika Ltd 低伸度ポリエステル繊維及びその製造法
US6656583B1 (en) * 1999-08-10 2003-12-02 Lurgi Zimmer Ag High-strength polyester threads and method for producing the same
EP1382724A1 (fr) * 2002-07-20 2004-01-21 Hyosung Corporation Fil de polyester à haute résistance et faible rétraction et son procédé de production
WO2004011702A1 (fr) * 2002-07-26 2004-02-05 Kolon Industries, Inc. Fil etire de polyester a faible retrait et a haute resistance et procede de preparation associe
EP2123806A1 (fr) * 2007-02-28 2009-11-25 Teijin Fibers Limited Fibre de poly(naphtalate d'éthylène) et son procédé de fabrication
WO2009061161A1 (fr) 2007-11-09 2009-05-14 Kolon Industries, Inc. Fibre polyester industrielle hautement résistante présentant des propriétés de fluage élevées et procédé de réalisation d'une telle fibre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016096102A1 (fr) * 2014-12-19 2016-06-23 TRüTZSCHLER GMBH & CO. KG Procédé et appareil pour la production d'un fil de polyamide aliphatique à faible retrait et fil à faible retrait
US10689778B2 (en) 2014-12-19 2020-06-23 Truetzschler Gmbh & Co. Kg Process and apparatus for the production of a low-shrinkage aliphatic polyamide yarn, and low-shrinkage yarn

Also Published As

Publication number Publication date
JP5984929B2 (ja) 2016-09-06
EP2737114B1 (fr) 2023-06-07
CH705306A1 (de) 2013-01-31
CH705306B1 (de) 2015-06-30
CN103797165A (zh) 2014-05-14
ES2954268T3 (es) 2023-11-21
EP2737114A1 (fr) 2014-06-04
CN103797165B (zh) 2017-02-15
JP2014523494A (ja) 2014-09-11

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