EP3126552B1 - System zur industriellen garnherstellung aus verbundstoffpolyethylen-naphthalat-material - Google Patents

System zur industriellen garnherstellung aus verbundstoffpolyethylen-naphthalat-material Download PDF

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Publication number
EP3126552B1
EP3126552B1 EP15724103.5A EP15724103A EP3126552B1 EP 3126552 B1 EP3126552 B1 EP 3126552B1 EP 15724103 A EP15724103 A EP 15724103A EP 3126552 B1 EP3126552 B1 EP 3126552B1
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EP
European Patent Office
Prior art keywords
polyethylene naphthalate
primary
mixture
yarn production
raw
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.)
Not-in-force
Application number
EP15724103.5A
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English (en)
French (fr)
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EP3126552A1 (de
Inventor
Emine Guven
Ozlem TURKARSLAN
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.)
Kordsa Teknik Tekstil AS
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Kordsa Teknik Tekstil AS
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Publication of EP3126552A1 publication Critical patent/EP3126552A1/de
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Not-in-force legal-status Critical Current
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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
    • D01D13/00—Complete machines for producing artificial threads
    • 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
    • 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
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

Definitions

  • the present invention relates a system for industrial polyester yarn production, in which the mechanical properties of the yarn (tenacity, modulus, dimensional stability) are improved with additive, in order to be used in industrial fabric production.
  • Liquid Crystal Polymers which can be used as reinforcing phase in different polymeric materials, are high performance resins with a unique structure comprising long, hard, rod like high oriented molecules. Rod-like molecules orient themselves in the flow direction during injection or extrusion molding.
  • LCP The parts molded in LCP exhibit very high dimensional stability even if they are heated up to 200-250°C. Melting temperature of some LCP classes can reach up to 300°C. LCP can generally be used as an additive in many fields depending on its properties. Electronic and electrical components, fuel and gas barrier structures and sensors can be given as example for these fields.
  • the objective of the present invention is to provide a system for liquid crystal polymer added industrial polyester yarn production.
  • Another objective of the present invention is to provide a system for industrial yarn production wherein polyethylene naphthalate is used as polymer.
  • a further objective of the present invention is to provide a system for industrial yarn production with improved tensile strength and elastic modulus.
  • Figure 1 is the schematic view of the inventive system for yarn production.
  • the inventive system for composite polyethylene naphthalate industrial yarn production system (1) essentially comprises
  • the raw mixture forming unit (1) present in the inventive system (1) comprises
  • PEN:LCP ratio of the mixture prepared in the raw particle loading unit (21) is 60:40 by weight.
  • the raw material which is prepared in this ratio and solidified in cooling unit (23) melted and blended in the twin screw extruder (22) is become as particles.
  • Primary mixture forming unit (3) comprises
  • the raw mixture particles prepared in raw mixture forming unit (2) are sent to the primary molten forming unit (3), and the polymer particles diluted with pure PEN are produced here.
  • the PEN:LCP raw mixture is mixed with PEN till the LCP ratio becomes 1-3% by weight in the particle loading and diluting unit (31). At the said process is preferably carried out at 260-300°C.
  • the molecular weight of the blended polymer particles that are obtained are increased at the outlet of the primary mixture forming unit (3), and their internal viscosity (IV) is increased above 1 dL/g at 240-250°C with solid state polymerization, which takes 12-24 hours.
  • IV internal viscosity
  • the purpose here is to increase molecular weight to obtain a polymer suitable for yarn drawing by decreasing the degradation and chain movement during extrusion. %Crystallinity increase is above 100% with solid state polymerization.
  • the particles obtained at primary mixture forming unit (3) with increased IV via solid state polymerization are dried in vacuum furnace for at least 24 hours at 120-140°C, and loaded to the primary particle loading unit (4) under nitrogen atmosphere at 120 °C.
  • the humidity value of the blended and solid state polymerized particles should be under 60 ppm before loading to the extruder (32).
  • the primary polymer mixture coming out of the primary mixture forming unit (3) is transferred to the primary particle loading unit (4), and dried here at 100-120 °C and sent to the extruder (5) which is heated to 290-320 °C.
  • PEN-LCP polymer mixture comprising 1-3% LCP by weight is become filaments via spinneret at the exit of the extruder (5).
  • the length/diameter ratio of the spinneret used at the extruder exit (5) is 2-5, the hole diameter is 1mm.
  • the jet velocity of the material from the extruder (5) is 6-7 m/min, the residence time of the material in the extruder is 11-12 minutes.
  • the throughput here is adjusted as 6-7 g/min.
  • the PEN-LCP filament coming out of the extruder (5) is transferred to the cooling unit (6) preferably treated with cooling water.
  • the length of the cooling unit is 70cm and its temperature is 80-95°C.
  • the distance between the extruder (5) and the cooling unit (6) is adjusted as maximum 10cm.
  • the yarn coming out of the cooling unit (6) first comes to the primary roller (71) and it is sent to the secondary roller (72) from here.
  • the temperature of the primary roller (71) is between 100-140°C
  • the temperature of the secondary roller (72) is between 140-160°C. Cold drawing process is applied on the yarn between these rollers (7).
  • the yarn coming out of the secondary roller (72) is transferred to the first hot chamber (81) and heated with hot air to 200-250°C here and then transferred to the tertiary roller (73).
  • the temperature of the tertiary roller (73) may vary between 200-250°C. Therefore, hot drawing is performed between the secondary roller (72) and the tertiary roller (73).
  • the yarn coming out of the tertiary roller (73) enters into the second hot chamber (82) at temperature of 120-180°C. It comes to the quaternary roller (74) which is the last roller without heating, at room temperature; here it is relaxed in ratio of 1-2% and sent to the winding unit (9) in order to be wound.
  • the ratio of the primary roller (71) speed to the extruder (5) exiting speed is between4-6.
  • the ratio of the tertiary roller (73) speed to the primary roller (71) speed may vary between 5-6,5.
  • the conversion ratio is in range of 80-90% when the monofilament yarn which is produced with the inventive system is twisted as 2 layers with 50 twists.

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

Claims (16)

  1. Ein System zur industriellen Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material aufweisend
    - mindestens eine Rohmischung bildende Einheit (2), in der die Rohpolymerpartikel hergestellt sind,
    - mindestens eine primäre Mischung bildende Einheit (3), wobei die primäre Polymermischung erhalten und zu Partikeln werden, indem rohen Polymerpartikel verwendet sind,
    - mindestens eine primäre Partikelladeeinheit (4), wobei die die primäre Mischung bildende Polymerpartikeln gefüllt und erhitzt werden,
    - mindestens einen Extruder (5), in dem die primäre Polymermischung, das in der primären Partikelladeeinheit (4) erhalten wird, geschmolzen sind und mit Hilfe der Spinndüse, die sich am Austritt befindet, zu Filamenten wird,
    - mindestens eine Kühleinrichtung (6), in der das Material aus dem Extruder (5) gekühlt wird,
    - mindestens einen Roller (7), in dem das Material gezogen und orientiert wird,
    - mindestens eine heiße Kammer (8), in der das Material geglüht wird,
    - mindestens eine Wickeleinrichtung (9), in der das Material mittels eines Rollers (7) durch Kühlen gezogen wird und die Hitze als Garn aufgewickelt wird, und dadurch gekennzeichnet, dass
    - Polyethylennaphthalat (PEN) und das Flüssigkristallpolymer (LCP) werden jeweils in einem Verhältnis von 60: 40 in der Rohmischung bildenden Einheit (2) gemischt,
    - Das LCP- Verhältnis in der Mischung wird auf 1-3 Gew.- % reduziert, indem die Rohmischung mit PEN in der primäre Mischung bildenden Einheit (3) verdünnt wird.
  2. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach Anspruch 1, gekennzeichnet durch eine Rohmischung bildende Einheit (2), die mindestens eine Rohpartikel-Ladeeinheit (21) aufweist, wobei Polyethylennaphthalat (PEN) und das Flüssigkristallpolymer (LCP) durch Beladung im Gewichtsverhältnis von jeweils 60:40 gemischt werden, mindestens ein roher geschmolzener Extruder (22), wobei die Rohmischung geschmolzen und extrudiert wird;
    mindestens eine rohe geschmolzene Kühleinheit (23), wobei das Material, das aus dem rohen geschmolzenen Extruder (22) austritt, gekühlt wird.
  3. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine primäre Mischung bildende Einheit (3), die mindestens eine Partikellade- und Verdünnungseinheit (31) aufweist, wobei die aus der Rohmischung bildenden Einheit (2) austretende Polymerpartikel mit PEN so geschmolzen und verdünnt werden, dass das LCP-Verhältnis 1-3 Gew.-% beträgt, mindestens einen primären geschmolzenen Extruder (32), wobei die primäre rohe geschmolzene Mischung extrudiert wird, mindestens eine primäre geschmolzene Kühleinheit (33), wobei das aus dem Hauptschmelzextruder (32) austretende Material gekühlt wird.
  4. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch einer Partikellade- und Partikelverdünnungseinheit (31), wobei PEN zugegeben wird, bis das LCP-Verhältnis in der Mischung 1 bis 3 Gew.-% beträgt, wobei die PEN-LCP Rohmischung bei 260-300°C extrudiert wird.
  5. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine Partikeladeeinheit (4), die am Auslass der primären Mischung bildenden Einheit (3) erhaltenen Partikel bei 120 °C in Stickstoffatmosphäre geladen werden, nachdem sie mindestens 24 Stunden bei 120 bis 140 °C im Vakuumofen getrocknet wurden.
  6. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen Extruder (5), wobei die Primärpolymermischung zu einem Filament wird und das eine Spinndüse mit einem Länge/ Durchmesser- Verhältnis von 2 bis 5 und einen Lochdurchmesser von 1mm aufweist.
  7. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen Extruder (5), wobei die Strahlgeschwindigkeit der Polymermischung als Filament mit 6 bis 7 g/min eingestellt ist.
  8. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen Extruder (5), wobei der Durchsatz der Polymermischung als Filament mit 6 bis 7 g/min eingestellt wird.
  9. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine Kühleinheit (6), wobei das aus dem Extruder (5) austretende Filament mit einem Kühlungswasser bei 80 bis 95°C gekühlt wird.
  10. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch Primärroller (71), in den das aus dem Kühleinheit (6) austretende Filament bei einer Temperatur von 100 bis 140°C übertragen wird.
  11. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch den Sekundärroller (72) bei einer Temperatur von 140 bis 160°C, in den das aus dem Primärroller (71) austretende Filament übertragen wird und in dem Kaltziehen auf dem Filament ausgeübt wird.
  12. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine erste Heißkammer (81), in die das aus der Sekundärroller (72) austretende Filament übertragen wird und in der es mit heißer Luft bei einer Temperatur von 200 bis 250°C verwendet wird.
  13. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch den Tertiärroller (73) bei einer Temperatur von 200 bis 250°C, zu der das Filament aus der ersten heißen Kammer kommt (81) übertragen wird und wobei Heißziehen auf das Filament ausgeübt wird.
  14. Ein System (1) für industrielle Garnherstellung aus zusammengesetztem Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine zweite Heißkammer (82) bei einer Temperatur von 120 bis 180°C, bis zu der das Filament aus dem Tertiärroller (73) übertragen wird.
  15. Ein System (1) für industrielle Garnherstellung aus zusammengesetzten Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch den quaternären Roller (74) ohne Erhitzen, auf das der aus der zweiten heißen Kammer (82) kommende Filament übertragen wird und wobei Warmziehen auf das Filament ausgeübt wird.
  16. Ein System (1) für industrielle Garnherstellung aus Zusammengesetzen Polyethylennaphthalat-Material nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine Wickeleinrichtung (9), in der das Filament, das aus dem quaternären Roller (74) austritt, mit eine Erweiterung von 1-2% als Garn gewickelt wird.
EP15724103.5A 2014-04-01 2015-03-25 System zur industriellen garnherstellung aus verbundstoffpolyethylen-naphthalat-material Not-in-force EP3126552B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201403779 2014-04-01
PCT/TR2015/000117 WO2015152844A1 (en) 2014-04-01 2015-03-25 A system for industrial yarn production from composite polyethylene naphthalate material

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EP3126552A1 EP3126552A1 (de) 2017-02-08
EP3126552B1 true EP3126552B1 (de) 2018-03-21

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US (1) US20170114477A1 (de)
EP (1) EP3126552B1 (de)
KR (1) KR20160137641A (de)
CN (1) CN106574402B (de)
BR (1) BR112016023020A2 (de)
LU (1) LU92889B1 (de)
RU (1) RU2647386C1 (de)
WO (1) WO2015152844A1 (de)

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KR20220048879A (ko) 2020-10-13 2022-04-20 서무경 열방성 액정 폴리머를 이용한 모노 필라멘트 제조 장치

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Also Published As

Publication number Publication date
US20170114477A1 (en) 2017-04-27
RU2647386C1 (ru) 2018-03-15
KR20160137641A (ko) 2016-11-30
CN106574402B (zh) 2018-10-23
LU92889B1 (fr) 2016-03-30
WO2015152844A1 (en) 2015-10-08
BR112016023020A2 (pt) 2017-10-10
EP3126552A1 (de) 2017-02-08
CN106574402A (zh) 2017-04-19

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