EP1521869A1 - Spinnverfahren - Google Patents
SpinnverfahrenInfo
- Publication number
- EP1521869A1 EP1521869A1 EP03762524A EP03762524A EP1521869A1 EP 1521869 A1 EP1521869 A1 EP 1521869A1 EP 03762524 A EP03762524 A EP 03762524A EP 03762524 A EP03762524 A EP 03762524A EP 1521869 A1 EP1521869 A1 EP 1521869A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- cooling medium
- filament bundle
- filament
- filaments
- 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.)
- Granted
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
- D01D5/08—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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
-
- 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
-
- 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
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
Definitions
- the present invention relates to a method for spinning a multifilament thread from a thermoplastic material comprising the steps in which the melted material is extruded through a plurality of nozzle holes of a spinneret into a bundle of filaments with many filaments and wound up as a thread after solidification, and in which the bundle of filaments is cooled below the spinneret.
- the present invention further relates to polyester filament yarns and cords containing such polyester filament yarns.
- thermoplastic polymers The cooling behavior of the thermoplastic polymers is quite complicated and depends on a number of parameters.
- differences in birefringence behavior occur during cooling the filament cross-section because the filament skin cools faster than the inside, the core, the filaments.
- the cooling thus largely determines the crystallization of the polymers in the filament, which is noticeable when the filaments are used later, for example in drawing.
- the method as described in the preamble of claim 1, is characterized in that the cooling is carried out in two stages, the filament bundle being flowed through in a first cooling zone by means of a gaseous cooling medium in such a way that the gaseous one Cooling medium flows through the filament bundle transversely by leaving the filament bundle on the side opposite the upstream side practically completely again, and in a second cooling zone below the first cooling zone the filament bundle is cooled further essentially by self-suction of gaseous cooling medium located in the vicinity of the filament bundle.
- the present invention is therefore a two-stage cooling.
- the filament bundle is flowed through by the gaseous cooling medium. It is particularly important that the cooling medium practically completely covers the filament bundle on the side opposite the upstream side leaves again.
- the cooling medium should therefore not be entrained by the filament bundle in this stage of cooling.
- the gaseous cooling medium flows through the filament bundle transversely to the direction of movement of the filament bundle, that is to say a so-called transverse blowing is set. This blowing can be designed effectively by suctioning off the gaseous cooling medium after it has flowed through the bundle of threads by means of a suction device.
- the configuration can be such that the bundle of filaments is passed between a blowing device and a suction device.
- Another possibility is to divide the filament flow and, for example, to set up a blowing in the middle between two filament flows, such as, for example, through a perforated tube that runs parallel for a certain distance and between the filament flows.
- the gaseous cooling medium can then be blown outwards from the center of the filament bundle through the filament bundle.
- the reverse blowing and suction passage would also be conceivable, in that the tube running in the middle of the filament streams serves as suction and the blowing is then carried out from the outside in.
- the flow velocity of the gaseous cooling medium is between 0.1 and 1 m / s. At these speeds there is a uniform cooling largely without turbulence and formation of skin / core differences in the crystallization.
- the first cooling zone has a length of between 0.2 and 1.2 m.
- a flow over this length and under the conditions described above gives the desired degree of cooling in the first zone or stage.
- the second stage of cooling is carried out by means of so-called self-suction yarn cooling.
- the filament bundle entrains the gaseous cooling medium, for example ambient air, in its environment and is further cooled.
- the gaseous cooling medium for example ambient air
- the self-priming unit can be formed by two perforated plates that run parallel to the filament bundle, so-called double-sided plates.
- the length is at least 10 cm and can be up to several meters upwards. Lengths of 30 cm to 150 cm are very common for this self-priming section.
- the second cooling stage is carried out by passing the filaments between perforated materials, e.g. perforated plates, is carried out so that the gaseous cooling medium can hit the filaments during self-suction from two sides.
- thermocouple the cooling medium which is sucked in through the filament bundle for example by using heat exchangers.
- This embodiment allows the process to be carried out independently of the ambient temperature, which has an advantageous effect on the long-term stability of the process, for example day-night or summer-winter differences.
- a so-called heating tube is usually located between the spinneret or nozzle plate and the beginning of the first cooling zone.
- this element which is familiar to the person skilled in the art, is between 10 and 40 cm long.
- a bundling step can advantageously be carried out in a manner known per se, e.g. by so-called air movers or air knives. Furthermore, this bundling step can also take place within the second cooling zone.
- the process according to the invention can also have the filaments drawn in a manner known per se.
- the term stretching is to be understood here to mean all of the methods customary and familiar to the person skilled in the art for drawing the filaments. This can be done for example by godets, individually or in duos, or the like. It should be expressly mentioned that drawing relates both to drawing ratios greater than 1 and to ratios less than 1. The specialist is familiar with the latter under the term relaxation. Draw ratios greater than and less than 1 certainly occur side by side within a process.
- the total draw ratio is usually calculated from the ratio of the draw speeds or - if there is also relaxation - the winding speed at the end of the process and the spinning speed of the filaments, i.e. the speed at which the filament bundles pass through the cooling zones.
- a typical constellation is, for example, a spinning speed of 2760 m / min, stretching at 6000 m / min, additional relaxation after the stretching of 0.5%, i.e. a winding speed of 5970 m / min. This results in an overall draw ratio of 2.16.
- speeds of at least 2000 m / min are therefore preferred for the winding.
- the process is technically real
- speed that can be set.
- about 6000 m / min are preferred for the upper speed range during winding.
- a chute may be located upstream of the stretching devices and behind the cooling zones. This element is also known per se.
- Air or an inert gas such as nitrogen or argon is preferably used as the gaseous cooling medium.
- thermoplastic materials are polymers such as polyester, polyamide, polyolefin or also mixtures or copolymers of these types.
- thermoplastic material consists essentially of polyethylene terephthalate.
- the method according to the invention allows the production of filaments which are particularly well suited for technical applications, in particular for use in tire cord.
- the process is also well suited for the production of technical yarns.
- the settings required for the spinning of technical yarns, in particular the choice of the nozzle and the length of the heating tube, are known to the person skilled in the art.
- the invention is therefore also directed to filament yarns, in particular polyester filament yarns, which can be obtained by the process described above.
- the present invention is directed to such polyester filament yarns with a book strength T in mN / tex and an elongation at break E in%, in which the product of the tensile strength T and the third root of the elongation at break E (T * E 1/3 ) is at least 1600 mN% is 1/3 / tex.
- This product is preferably between 1600 and 1800 mN% 1/3 / tex.
- the invention is directed to polyester filament yarns in which the sum of their elongation in% after application of a specific force EAST (“elongation at specific tension”) of 410 mN / tex and their hot air shrinkage at 180 ° C. (HAS) in %, ie the sum of EAST + HAS, is less than 11%, preferably less than 10.5%.
- EAST elongation at specific tension
- the EAST is measured in accordance with ASTM 885 and the HAS is also determined in accordance with ASTM 885, with the proviso that the measurement is carried out at 180 ° C., at 5 mN / tex and over 2 minutes.
- the present invention is directed to tire cords which contain polyester filament yarns, the cord having a retention capacity Rt in%, which is characterized in that the quality factor Q f , which is the product of T * E 1/3 of the polyester filament yarns and Rt of the cord represents, is greater than 1350 mN% 4/3 / tex.
- the retention capacity is to be understood as the quotient of the breaking strength of the cord after dipping and the breaking strength of the threads.
- the quality factor is particularly preferably greater than 1375 mN% 4 3 / tex and is advantageously up to 1800 mN% 4/3 / tex.
- the invention is illustrated by the examples below, without being limited to these examples.
- Polyethylene terephthalate granules with a relative viscosity of 2.04 (measured on a solution of 1 g of polymer in 125 g of a mixture of 2,4,6-trichlorophenol and phenol (TCF / F, 7:10 m / m) at 25 ° C. was spun in an Ubbelohde (DIN 51562) viscometer and cooled under the conditions listed in Table 1. The stretching speed was 6000 m / min. An additional relaxation of 0.5% was set, winding speed: 5970 m / min.
- the yarn properties were determined on three samples and are shown in Table 2.
- the quality factor Qf is the product of T * E 1/3 and the retention.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (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)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03762524A EP1521869B1 (de) | 2002-07-05 | 2003-06-26 | Spinnverfahren |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02015058 | 2002-07-05 | ||
EP02015058 | 2002-07-05 | ||
PCT/EP2003/006786 WO2004005594A1 (de) | 2002-07-05 | 2003-06-26 | Spinnverfahren |
EP03762524A EP1521869B1 (de) | 2002-07-05 | 2003-06-26 | Spinnverfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1521869A1 true EP1521869A1 (de) | 2005-04-13 |
EP1521869B1 EP1521869B1 (de) | 2011-10-05 |
Family
ID=30011057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03762524A Expired - Lifetime EP1521869B1 (de) | 2002-07-05 | 2003-06-26 | Spinnverfahren |
Country Status (18)
Country | Link |
---|---|
US (2) | US7731876B2 (de) |
EP (1) | EP1521869B1 (de) |
JP (1) | JP4523409B2 (de) |
KR (1) | KR101143536B1 (de) |
CN (1) | CN100390334C (de) |
AT (1) | ATE527402T1 (de) |
AU (1) | AU2003249886A1 (de) |
BR (1) | BR0312457B1 (de) |
CA (1) | CA2491647C (de) |
CZ (1) | CZ20056A3 (de) |
ES (1) | ES2373379T3 (de) |
MX (1) | MXPA05000325A (de) |
PT (1) | PT1521869E (de) |
RU (1) | RU2318930C2 (de) |
SI (1) | SI1521869T1 (de) |
UA (1) | UA77098C2 (de) |
WO (1) | WO2004005594A1 (de) |
ZA (1) | ZA200500069B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006024435A1 (de) * | 2004-08-27 | 2006-03-09 | Diolen Industrial Fibers B.V. | Spinnverfahren und vorrichtung zu seiner durchführung |
CZ302223B6 (cs) * | 2005-07-08 | 2010-12-29 | GUMOTEX, akciová spolecnost | Prímé osvetlení zrcátka slunecní clony pro motorová vozidla |
ES2364199T3 (es) | 2006-11-18 | 2011-08-26 | Api Institute | Procedimiento para producir un hilo multifilamentos. |
JP5455902B2 (ja) * | 2007-07-21 | 2014-03-26 | ディオレン インドゥストリアル ファイバース ベスローテン フェノートシャップ | 紡糸法 |
EP2524981A1 (de) * | 2011-05-18 | 2012-11-21 | Api Institute | Formstabiler Polyestergarn und Herstellung davon |
CN102912464B (zh) * | 2012-11-13 | 2016-08-24 | 广州市新辉联无纺布有限公司 | 一种热塑性材料纺丝设备 |
KR101979353B1 (ko) * | 2017-11-01 | 2019-05-17 | 효성첨단소재 주식회사 | 폴리에스터 타이어코드와 이를 이용한 레이디얼 타이어 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4828019Y1 (de) * | 1970-03-12 | 1973-08-21 | ||
JPS491005B1 (de) * | 1970-11-28 | 1974-01-11 | ||
JPS51209U (de) * | 1974-06-20 | 1976-01-05 | ||
JPS5244927B2 (de) * | 1975-01-25 | 1977-11-11 | ||
DE2618406B2 (de) * | 1976-04-23 | 1979-07-26 | Karl Fischer Apparate- & Rohrleitungsbau, 1000 Berlin | Verfahren zum Herstellen vororientierter Füamentgarne aus thermoplastischen Polymeren |
JPS58197303A (ja) | 1982-05-13 | 1983-11-17 | Teijin Ltd | 溶融紡糸方法 |
IN167096B (de) * | 1985-04-04 | 1990-09-01 | Akzo Nv | |
JP2674656B2 (ja) * | 1988-03-24 | 1997-11-12 | 三井石油化学工業株式会社 | 紡糸装置における溶融フィラメントの冷却方法並びにその装置 |
US5173310A (en) | 1988-03-24 | 1992-12-22 | Mitsui Petrochemical Industries, Ltd. | Device for cooling molten filaments in spinning apparatus |
JPH05195309A (ja) | 1992-01-17 | 1993-08-03 | Teijin Ltd | ポリエステル繊維の溶融紡糸冷却装置 |
DE4320593A1 (de) * | 1993-06-22 | 1995-01-05 | Akzo Nobel Nv | Multifilament-Garn aus Polyäthylennaphthalat und Verfahren zu seiner Herstellung |
DE69518988T2 (de) * | 1994-12-23 | 2001-04-05 | Akzo Nobel N.V., Arnheim/Arnhem | Verfahren zur herstellung eines polyesterendlosfilamentgarnes, verwendung des filamentgarnes und davon hergestelltes cord |
JP2622674B2 (ja) * | 1996-03-21 | 1997-06-18 | アクゾ・ナームローゼ・フェンノートシャップ | 工業用ポリエステルヤーン及びそれから作られたコード |
DE59705511D1 (de) | 1996-08-28 | 2002-01-10 | Barmag Barmer Maschf | Verfahren und Vorrichtung zum Spinnen eines multifilen Fadens |
JP3880143B2 (ja) | 1997-08-13 | 2007-02-14 | ユニチカ株式会社 | 溶融紡糸繊維の冷却方法 |
TW476818B (en) * | 1998-02-21 | 2002-02-21 | Barmag Barmer Maschf | Method and apparatus for spinning a multifilament yarn |
CN1117186C (zh) * | 1998-07-23 | 2003-08-06 | 巴马格股份公司 | 用于纺合成长丝的纺丝装置和方法 |
TW538150B (en) * | 1998-11-09 | 2003-06-21 | Barmag Barmer Maschf | Method and apparatus for producing a highly oriented yarn |
EP1079008A1 (de) | 1999-08-26 | 2001-02-28 | B a r m a g AG | Verfahren und Vorrichtung zum Spinnen eines multifilen Fadens |
-
2003
- 2003-06-26 KR KR1020057000221A patent/KR101143536B1/ko not_active IP Right Cessation
- 2003-06-26 WO PCT/EP2003/006786 patent/WO2004005594A1/de active Application Filing
- 2003-06-26 ES ES03762524T patent/ES2373379T3/es not_active Expired - Lifetime
- 2003-06-26 EP EP03762524A patent/EP1521869B1/de not_active Expired - Lifetime
- 2003-06-26 MX MXPA05000325A patent/MXPA05000325A/es unknown
- 2003-06-26 CA CA2491647A patent/CA2491647C/en not_active Expired - Fee Related
- 2003-06-26 US US10/520,064 patent/US7731876B2/en not_active Expired - Fee Related
- 2003-06-26 PT PT03762524T patent/PT1521869E/pt unknown
- 2003-06-26 SI SI200332081T patent/SI1521869T1/sl unknown
- 2003-06-26 AT AT03762524T patent/ATE527402T1/de active
- 2003-06-26 AU AU2003249886A patent/AU2003249886A1/en not_active Abandoned
- 2003-06-26 UA UAA200500709A patent/UA77098C2/uk unknown
- 2003-06-26 JP JP2004518590A patent/JP4523409B2/ja not_active Expired - Fee Related
- 2003-06-26 RU RU2005101741/12A patent/RU2318930C2/ru not_active IP Right Cessation
- 2003-06-26 CZ CZ20056A patent/CZ20056A3/cs unknown
- 2003-06-26 BR BRPI0312457-6A patent/BR0312457B1/pt not_active IP Right Cessation
- 2003-06-26 CN CNB038159252A patent/CN100390334C/zh not_active Expired - Fee Related
-
2005
- 2005-01-04 ZA ZA200500069A patent/ZA200500069B/en unknown
-
2010
- 2010-03-26 US US12/732,573 patent/US8182915B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004005594A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20050147814A1 (en) | 2005-07-07 |
WO2004005594A1 (de) | 2004-01-15 |
RU2005101741A (ru) | 2006-01-20 |
KR20050099493A (ko) | 2005-10-13 |
EP1521869B1 (de) | 2011-10-05 |
CN1665970A (zh) | 2005-09-07 |
RU2318930C2 (ru) | 2008-03-10 |
ZA200500069B (en) | 2006-07-26 |
UA77098C2 (en) | 2006-10-16 |
US20100175361A1 (en) | 2010-07-15 |
PT1521869E (pt) | 2012-01-03 |
CA2491647C (en) | 2011-09-27 |
CA2491647A1 (en) | 2004-01-15 |
CN100390334C (zh) | 2008-05-28 |
BR0312457A (pt) | 2005-04-19 |
MXPA05000325A (es) | 2005-08-19 |
JP4523409B2 (ja) | 2010-08-11 |
KR101143536B1 (ko) | 2012-05-09 |
CZ20056A3 (cs) | 2005-05-18 |
SI1521869T1 (sl) | 2012-03-30 |
US7731876B2 (en) | 2010-06-08 |
ATE527402T1 (de) | 2011-10-15 |
US8182915B2 (en) | 2012-05-22 |
ES2373379T3 (es) | 2012-02-02 |
AU2003249886A1 (en) | 2004-01-23 |
JP2005535793A (ja) | 2005-11-24 |
BR0312457B1 (pt) | 2013-03-19 |
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