EP0581145B2 - Verfahren und Vorrichtung zur Herstellung von Fasern, die während des Verspinnens störende Gase und/oder Dämpfe abgeben - Google Patents
Verfahren und Vorrichtung zur Herstellung von Fasern, die während des Verspinnens störende Gase und/oder Dämpfe abgeben Download PDFInfo
- Publication number
- EP0581145B2 EP0581145B2 EP93111453A EP93111453A EP0581145B2 EP 0581145 B2 EP0581145 B2 EP 0581145B2 EP 93111453 A EP93111453 A EP 93111453A EP 93111453 A EP93111453 A EP 93111453A EP 0581145 B2 EP0581145 B2 EP 0581145B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinning
- spinning shaft
- gas
- shaft
- gases
- 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
- 238000009987 spinning Methods 0.000 title claims abstract description 89
- 239000007789 gas Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229920000642 polymer Polymers 0.000 claims abstract description 36
- 150000003568 thioethers Chemical class 0.000 claims abstract description 9
- 239000003463 adsorbent Substances 0.000 claims abstract description 7
- 238000010791 quenching Methods 0.000 claims abstract 20
- 238000000746 purification Methods 0.000 claims abstract 7
- 238000000605 extraction Methods 0.000 claims abstract 4
- 230000000171 quenching effect Effects 0.000 claims abstract 2
- 229920000412 polyarylene Polymers 0.000 claims description 17
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- -1 polyphenylene Polymers 0.000 abstract description 5
- 229920000265 Polyparaphenylene Polymers 0.000 abstract 1
- 231100001261 hazardous Toxicity 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 28
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000003570 air Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 238000002074 melt spinning Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- 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
- D01F6/76—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products
- D01F6/765—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products from polyarylene sulfides
Definitions
- thermoplastic polymers in which encapsulated spinning shafts are used are known per se.
- EP-A-147, 173 describes a melt spinning process of thermoplastic polymers, in which the polymer is extruded into a pressurized spinning shaft and is cooled within this shaft. Furthermore, an adapted device for carrying out the method is described, which has a specially designed outlet opening for the solidified filaments drawn off at high speed and with which a good sealing of the spinning shaft can be achieved. The device and the method are primarily aimed at producing a highly oriented multifilament yarn.
- EP-A-205,694 describes a melt spinning process of thermoplastic polymers, in which the polymer is extruded into a spinning shaft which is under a vacuum of less than 0.7 atm and is cooled within this shaft.
- the device for carrying out this method essentially relates to the device known from EP-A-147, 173 , to whose outlet side a vacuum pump is connected for the gas located in the spinning shaft.
- monomers and oligomers evaporating from the spun threads are removed from the spinning shaft by the gas flow, so that problems with residues deposited in the spinning shaft can be avoided.
- the device and the method are also aimed at producing a highly oriented multifilament yarn.
- melt spinning polymers are common interfering gases and / or vapors free.
- spinning polymers containing sulfur-containing Ingredients become strong smelling and possibly even harmful gases or vapors released. This problem is particularly pronounced when spinning multifilaments, as these result from the high surface of the molten capillaries release large quantities of such harmful gases.
- the present invention is based on the object occurring when spinning polymers to keep disturbing gases away from the environment remove.
- Fibers made of polymers that during disruptive gases and / or vapors from spinning such fibers are within the scope of this invention to understand those during melt spinning Gases and / or vapors released in the spinning shaft be escaping into the ambient air is not desired.
- gases and / or vapors released in the spinning shaft be escaping into the ambient air are not desired.
- gases and / or vaporous components include, for example, the so-called “spinning smoke” and especially gas and / or vaporous components, the sulfur-containing or halogen-containing, in particular chlorine-containing, or contain components containing sulfur and halogen.
- the polymers that make the latter gas and / or releasing vaporous constituents include sulphurous ones Polymers, such as polyarylene sulfides or polymers, the before or during spinning with halogen and / or sulfur-containing additives are.
- the process according to the invention is preferably used in the spinning of polyarylene sulfides or in the spinning of mixtures comprising polyarylene sulfides and other thermoplastic polymers.
- All filament-forming polymers which mainly have the recurring structural unit of the formula I can be used as polyarylene sulfides for use in the process according to the invention -Ar-S- in which Ar represents a divalent mono- or polynuclear aromatic radical, the free valences of which are in the p-position or in the m-position or in a parallel or angled position comparable to these positions.
- the polymers can also be partially crosslinked structures as long as they can be spun under the spinning conditions defined above.
- thermoplastics mixed with polyarylene sulfides can be used are polyester, such as polyethylene terephthalate; Poly- ⁇ -olefins, such as Polyethylene or polypropylene; partially or perfluorinated Polymers such as polytetrafluoroethylene; or to the Melting characteristics of the polyarylene sulfide customized polyether ketone.
- Polyarylene sulfides especially polyphenylene sulfides to polymers in which Ar is a p-phenylene radical represents.
- Preferred polyphenylene sulfides have a melt viscosity, measured at a shear rate of 1000 sec -1 ( ⁇ 1000 ), of 60 to 150 Pa * s at 320 ° C. and a melt viscosity, measured at a shear rate of 3000 sec -1 ( ⁇ 3000 ), of more than 50 Pa * s , the difference between ⁇ 1000 and ⁇ 3000 being more than 20 Pa * s .
- the polyarylene sulfide is usually subjected to a drying process before spinning.
- the polymer is generally dried in a finely divided form, such as powder or granule form, and in particular in the form of chips, preferably under vacuum. Usual drying times are between six and ten hours.
- the drying temperature is usually 120 to 160 ° C , preferably 120 to 140 ° C.
- the drying can also be carried out under inert gas.
- a polyarylene sulfide is particularly preferably used, whose water content is at most 0.01%, measured according to the Karl Fischer method. Using this raw material can be particularly set stable spinning conditions.
- thread-forming Polymers melt-spun, the melted Polymers using an extruder and a Spinning pump through a spinneret into a closed Spinning shaft is spun.
- the minimum delivery rate of polymer through the spinneret is preferably 0.5 g / (min * hole). Particularly preferred delivery rates are in the range of 0.7 to 1.3 g / (min * hole).
- the temperatures in the spinneret are usually 280 to 320 ° C., preferably 295 to 315 ° C.
- Typical number of holes in a spinneret are in the range from 50 to 500, in particular from 100 to 500.
- the shape of the nozzle holes can also be chosen as desired, for example triangular or rectangular, multilobal, oval or in particular round.
- Typical diameters of the nozzle holes are in the range from 0.25 to 0.65 mm.
- the nozzle holes are preferably in an annular nozzle arranged in the form of concentric circles.
- the spinning takes place in a closed Spinning shaft in a gas, especially in air, or also in an inert gas such as nitrogen.
- closed spinning shaft is to be understood in the context of this invention, a spinning shaft in which the supply and discharge of the blowing gas mainly, for example, more than 90 %, takes place via the supply and discharge lines for the blowing gas, and in which only a small part of the blowing gas leaves the spinning shaft through the outlet opening for the filaments formed.
- This outlet opening must therefore be designed in this way be that in addition to the high penetration speed the filaments formed also a good finish to prevent the contaminated blowing air from escaping allowed inside the spinning shaft.
- the freshly spun one Pass the thread out through a labyrinth seal or through perforated end plates, under or between which an additional auxiliary suction sucked off entrained blowing gas.
- the spinning shaft can be operated with negative pressure, external pressure or positive pressure.
- a slight negative pressure is maintained in the spinning shaft, preferably a negative pressure between 20 and 150 Pa, against the environment. In the event of leaks or pressure fluctuations, this variant prevents the contaminated blowing air from escaping immediately into the environment.
- the filaments created are after extrusion through the spinneret of a forced cooling in Subjected to spinning shaft by blowing with a gas. All the usual methods of Blowing are used. In addition to the possible Cross-blowing comes especially the central blowing in question. The blowing is particularly important preferred from the inside out.
- a gas can Inert gas, such as nitrogen. Is preferred Air.
- the spinning take-off speed of the filaments when leaving the spinning shaft can be more than 500 m / min, preferably between 800 and 5000 m / min, and in particular 1000 to 2000 m / min.
- Suitable adsorbents are silica gel or in particular activated carbon.
- the adsorbents are preferably in barrel form with supply and discharge and preferably, the required Fan-provided vessels used.
- Such Gas cleaning systems are commercially available in modular construction available.
- the spun ones are prepared Filaments aftertreated in a manner known per se. For this purpose they become, for example, an avivation, Drawing, which may also be multi-stage can and if necessary subjected to a fixation.
- the aftertreatment can be continued immediately after take off from the spinning machine or after an intermediate storage of the freshly spun Filaments.
- the obtained filaments either wound or in cut into staple fibers in a known manner.
- the invention also relates to a specially designed device according to claim 13 for carrying out the method according to the invention.
- Preferred embodiments of the device according to the invention are defined in claims 14 to 17 .
- thermoplastic polymer to be spun is melted via an extruder ( 1 ) and transported to a spinning pump ( 2 ).
- the extruder is fed with polymer chips, for example.
- the spinning pump ( 2 ) feeds the spin pack ( 3 ), which contains filters ( 4 ) and spinnerets ( 5 ).
- the spinnerets ( 5 ) open directly into a closed spinning shaft ( 6 ) which has at least one feed line ( 7 ) and one discharge line ( 8 ) for the blowing gas.
- 1 shows two discharge lines ( 8 ) for the blowing gas at the upper and lower ends of the spinning shaft.
- an auxiliary suction line ( 12 ) for the blowing gas is provided in this figure 1 , which is attached to the lower end of the spinning shaft next to the outlet opening for the filaments.
- all discharge lines for the blowing gas are equipped with a gas cleaning system ( 9 ). However, it is entirely possible to have all discharge lines lead to a gas cleaning system. The cleaned blowing air is drawn off from the gas cleaning system by pumps ( 18 ).
- FIG. 1 a central blowing device ( 11 ) is shown in FIG. 1 , from which the blowing gas ( 10 ) flows radially from the inside out through the filaments formed.
- blowing devices can be formed from pipes, the jacket of which has bores or other openings, such as slots or sieves, or which preferably consists of sintered metal.
- the central blowing from the inside out is particularly advantageous because with this embodiment a particularly stable running of the filaments enables becomes.
- the filaments ( 14 ) are prepared by means of application rollers ( 15 ), passed over a deflecting godet ( 16 ) and wound onto a spool ( 17 ). The spun filaments can then be sent for further processing.
- the blowing gas is expediently blown into the closed spinning shaft ( 6 ) via a fan through the feed line ( 7 ).
- At least one of the discharge lines ( 8 ) is equipped with a second fan, for example the suction line at the lower end of the spinning shaft in FIG. 1 .
- the pressure inside the spinning shaft can be regulated via the different performance of the fans in the supply and discharge lines.
- the spinning shaft must be used to operate the spinning system be opened during operation of the system.
- the spinning shaft preferably has its purpose below the spinneret has a device that opens of the spinning shaft when operating the system.
- a second powerful Suction in the area of the shaft opening under the nozzle, preferably on both sides under the Nozzle is attached when opening the shaft doors is turned on and the leakage of contaminated Blowing gas into the room in front of the shaft when open Door prevented.
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)
- Artificial Filaments (AREA)
Description
Claims (17)
- Verfahren zur Herstellung von Fasern aus Polymeren, die während des Verspinnens störende Gase und/oder Dämpfe abgeben umfassend die Schritte:dadurch gekennzeichnet, daß Polymere versponnen werden, die während des Verspinnens schwefel- und /oder halogenhaltige Gase und/oder Dämpfe abgeben, daß die Extrusion des geschmolzenen Polymeren durch eine Spinndüse in einen geschlossenen Spinnschacht erfolgt, daß das Anblasgas und diese Gase und/oder Dämpfe gemäß Schritt d) aus dem geschlossenen Spinnschacht abgeleitet, in ein Gasreinigungssystem eingeleitet und durch Kontakt mit einem Adsorptionsmittel von den Gasen und/oder Dämpfen gereinigt wird.a) Extrudieren des geschmolzenen Polymeren durch eine Spinndüse in einen Spinnschacht,b) Anblasen der erhaltenen Filamente im Spinnschacht mit einem Gas,c) Abziehen der gebildeten Filamente aus dem Spinnschacht,d) Ableitung des Anblasgases aus dem Spinnschacht,
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei dem Polymeren um ein Polyarylensulfid oder eine Mischung von Polyarylensulfiden oder eine Mischung von Polyarylensulfid und anderen thermoplastischen Polymeren handelt.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß es sich bei dem Polyarylensulfid um p-Polyphenylensuifid oder um eine Mischung von p-Polyphenylensulfiden handelt.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß Polyphenylensulfide eingesetzt werden, die bei 320°C eine Schmelzviskosität, gemessen mit einer Schergeschwindigkeit von 1000 sec-1 (η1000), von 60 bis 150 Pa*s und eine Schmelzviskosität, gemessen mit einer Schergeschwindigkeit von 3000 sec-1 (η3000), von mehr als 50 Pa*s aufweisen, wobei die Differenz von η1000 und η3000 mehr als 20 Pa*s beträgt.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß das Polyarylensulfid vor dem Verspinnen in feinverteilter Form getrocknet wird.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Trocknung unter Vakuum erfolgt, und daß die Trocknung durchgeführt wird, bis ein Wassergehalt des Polymeren von höchstens 0,01 %, gemessen nach der Methode nach Karl-Fischer, erreicht ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Spinndüsen mehr als 100 Düsenlöcher aufweisen, die bevorzugt auf konzentrischen Kreisen angeordnet sind.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß im Spinnschacht ein Unterdruck, insbesondere ein Unterdruck zwischen 20 und 150 Pa, gegen die Umgebung aufrechterhalten wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß eine Förderleistung des Polymeren durch die Spinndüse von mindestens 0,5 g/(min*Loch) gewählt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die ersponnenen Filamente mit einer Geschwindigkeit von mehr als 500 m/min, insbesondere von 800 bis 3000 m/min, aus dem Spinnschacht abgezogen werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Anblasgas radial auf die ersponnenen Filamente einströmt, wobei die Anblasung insbesondere von innen nach außen erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei dem Adsorptionsmittel für besagte störende Gase und/oder Dämpfe um Aktivkohle handelt.
- Vorrichtung zur Durchführung des Verfahrens nach den Ansprüchen 1 bis 12 zur Herstellung von schmelzgesponnen Filamenten, insbesondere von Multifilamenten aus Polymeren, die während des Verspinnens störende Gase und/oder Dämpfe abgeben umfassend Extruder (1), Spinnpumpe (2) und Spinnpack (3) aus Filter (4) und Spinndüsen (5), die in einen geschlossenen Spinnschacht (6) münden, welcher zumindest eine Zuführleitung (7) und eine Abführleitung (8) für das Anblasgas aufweist, wobei zumindest eine besagte Abführleitung (8) in ein Gasreinigungssystem (9) mündet, in welchem das Anblasgas (10) von besagten Gasen und/oder Dämpfen gereinigt wird.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß die Zuführleitung (7) in eine zentrale Anblasvorrichtung (11) mündet, von welcher das Anblasgas (10) radial von innen nach außen durch die gebildeten Filamente strömt.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß jeweils am oberen und am unteren Ende des Spinnschachtes (6) Absaugleitungen (8) für das Anblasgas vorgesehen sind, die in ein oder jeweils in ein Gasreinigungssystem (9) münden.
- Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß neben der Austrittsöffnung für die Filamente am unteren Ende des Spinnschachtes eine zusätzliche Hilfsabsaugleitung (12) für das Anblasgas vorgesehen ist, das in ein Gasreinigungssystem (9) mündet.
- Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß der Spinnschacht unterhalb der Spinndüse eine Vorrichtung aufweist, die ein Öffnen des Spinnschachtes beim Betrieb der Anlage gestattet und daß die am oberen Ende des Spinnschachtes (6) vorhandenen Absaugleitungen (8) für das Anblasgas mit einer leistungsstarken Absaugung versehen sind, die beim Öffnen der Schachttüren eingeschaltet wird und den Austritt von verunreinigtem Anblasgas in den Raum vor dem Schacht bei offener Türe verhindert.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4224707 | 1992-07-25 | ||
| DE4224707 | 1992-07-25 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP0581145A2 EP0581145A2 (de) | 1994-02-02 |
| EP0581145A3 EP0581145A3 (en) | 1994-08-10 |
| EP0581145B1 EP0581145B1 (de) | 1997-10-08 |
| EP0581145B2 true EP0581145B2 (de) | 2001-07-18 |
Family
ID=6464161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93111453A Expired - Lifetime EP0581145B2 (de) | 1992-07-25 | 1993-07-16 | Verfahren und Vorrichtung zur Herstellung von Fasern, die während des Verspinnens störende Gase und/oder Dämpfe abgeben |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5370833A (de) |
| EP (1) | EP0581145B2 (de) |
| JP (1) | JPH06158414A (de) |
| AT (1) | ATE159057T1 (de) |
| DE (1) | DE59307483D1 (de) |
| DK (1) | DK0581145T4 (de) |
| ES (1) | ES2110033T5 (de) |
| GR (1) | GR3025234T3 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5935512A (en) * | 1996-12-30 | 1999-08-10 | Kimberly-Clark Worldwide, Inc. | Nonwoven process and apparatus |
| DE19830453A1 (de) * | 1998-07-08 | 2000-01-13 | Lurgi Zimmer Ag | Verfahren und Vorrichtung zum Transport von Dampf durch mindestens einen runden Spinndüsenschacht |
| KR100391706B1 (ko) * | 2001-01-29 | 2003-07-12 | 덕산공조기계주식회사 | 섬유방사기용 환기 시스템 |
| KR100468086B1 (ko) * | 2002-12-04 | 2005-01-26 | 난야 플라스틱스 코오퍼레이션 | 가는(細) 데니어 폴리에스터 중공예비연신사의 제조방법 및 그 방법으로 제조된 가는 데니어 폴리에스터 중공예비연신사 |
| KR20040049722A (ko) * | 2002-12-07 | 2004-06-12 | 난야 플라스틱스 코오퍼레이션 | 복수개의 가는 데니어 폴리에스터 예비연신얀의 제조방법및 그 방법에 의하여 제조된 복수개의 가는 데니어폴리에스터 예비연신얀 |
| US6926854B2 (en) * | 2003-06-25 | 2005-08-09 | Nan Ya Plastics Corporation | Process of making polyester fine denier multifilament |
| US7931843B2 (en) * | 2005-03-18 | 2011-04-26 | Polyester High Performance Gmbh | Process for producing polyphenylene sulfide filament yarns |
| EP4477789A1 (de) | 2023-06-13 | 2024-12-18 | Fare' S.p.A. a Socio Unico | Verfahren und vorrichtung zur herstellung eines spunbond-vliesstoffes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU998605A1 (ru) † | 1981-01-16 | 1983-02-23 | Всесоюзный Научно-Исследовательский Институт Машин Для Производства Синтетических Волокон | Устройство дл охлаждени свежесформованной нити |
| DE3629731A1 (de) † | 1985-09-18 | 1987-03-26 | Inventa Ag | Vorrichtung zum abkuehlen und praeparieren von schmelzgesponnenem spinngut |
| DE3708168A1 (de) † | 1987-03-05 | 1988-09-15 | Inventa Ag | Vorrichtung zum abkuehlen und praeparieren von schmelzgesponnenem spinngut |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2886848A (en) * | 1955-02-10 | 1959-05-19 | American Enka Corp | Blow box |
| NL271547A (de) * | 1960-11-18 | |||
| DE2009297C3 (de) * | 1970-02-27 | 1983-03-31 | Metallgesellschaft Ag, 6000 Frankfurt | Adsorptionsanlage zum Abscheiden von Schwefelverbindungen aus Gasen |
| JPS52155216A (en) * | 1976-06-18 | 1977-12-23 | Mitsubishi Rayon Co Ltd | Process and apparatus for dry spinning |
| JPS55137207A (en) * | 1979-04-13 | 1980-10-25 | Toray Ind Inc | Melt-spinning device for synthetic fiber |
| DE3335735C2 (de) * | 1983-10-01 | 1986-11-27 | Werner H.K. Peters Maschinenfabrik Gmbh, 2000 Hamburg | Verfahren zur Herstellung von Wellpappe |
| US4780073A (en) * | 1985-06-20 | 1988-10-25 | Toray Industries, Inc. | Apparatus for melt-spinning thermoplastic polymer fibers |
| US4702871A (en) * | 1985-06-20 | 1987-10-27 | Toray Industries, Inc. | Method for melt-spinning thermoplastic polymer fibers |
-
1993
- 1993-07-16 EP EP93111453A patent/EP0581145B2/de not_active Expired - Lifetime
- 1993-07-16 DK DK93111453T patent/DK0581145T4/da active
- 1993-07-16 ES ES93111453T patent/ES2110033T5/es not_active Expired - Lifetime
- 1993-07-16 DE DE59307483T patent/DE59307483D1/de not_active Expired - Fee Related
- 1993-07-16 AT AT93111453T patent/ATE159057T1/de not_active IP Right Cessation
- 1993-07-26 JP JP5183896A patent/JPH06158414A/ja active Pending
- 1993-07-26 US US08/097,121 patent/US5370833A/en not_active Expired - Lifetime
-
1997
- 1997-10-31 GR GR970402870T patent/GR3025234T3/el unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU998605A1 (ru) † | 1981-01-16 | 1983-02-23 | Всесоюзный Научно-Исследовательский Институт Машин Для Производства Синтетических Волокон | Устройство дл охлаждени свежесформованной нити |
| DE3629731A1 (de) † | 1985-09-18 | 1987-03-26 | Inventa Ag | Vorrichtung zum abkuehlen und praeparieren von schmelzgesponnenem spinngut |
| DE3708168A1 (de) † | 1987-03-05 | 1988-09-15 | Inventa Ag | Vorrichtung zum abkuehlen und praeparieren von schmelzgesponnenem spinngut |
Non-Patent Citations (9)
| Title |
|---|
| Derwent Abstract der SU-A-998605 † |
| Deutsche übersetzung der SU-A-998605 † |
| Kirk-Othmer, Encyclopedia of Chemical Technology (1978), Vol. 1, S.544 + 545 † |
| Römpps Chemie-Lexikon (1979), S.97 † |
| Römpps Chemie-Lexikon (1981), S. 1414 † |
| Ullmann's Encyclopedia of Industrial Chemistry (1987), Vol. A10, Chapter Fibers, General Production Technology, S. 511-566, insbes. S. 511, 535, 541, 542, 550, 552 † |
| Ullmann's Encyclopedia of Industrial Chemistry (1989), Vol. A12, S. 183 + 184 † |
| Ullmann's Encyklopädie der technischen Chemie (1972), Bd. 2, S.600, 613, 614 † |
| Ullmann's Encyklopädie der technischen Chemie (1976), Bd. 11, S.249-290, insb. S.253, 264 † |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0581145A2 (de) | 1994-02-02 |
| DE59307483D1 (de) | 1997-11-13 |
| US5370833A (en) | 1994-12-06 |
| GR3025234T3 (en) | 1998-02-27 |
| DK0581145T3 (da) | 1998-05-18 |
| DK0581145T4 (da) | 2001-11-12 |
| ES2110033T5 (es) | 2001-09-01 |
| ATE159057T1 (de) | 1997-10-15 |
| JPH06158414A (ja) | 1994-06-07 |
| ES2110033T3 (es) | 1998-02-01 |
| EP0581145A3 (en) | 1994-08-10 |
| EP0581145B1 (de) | 1997-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2012997B1 (de) | Extruder zum entgasen und filtern von kunststoffschmelzen | |
| EP0120447B2 (de) | Verfahren und Vorrichtung zum Entfernen von flüchtigen Anteilen aus Polymerschmelzen oder Pasten | |
| DE3817941C2 (de) | ||
| DE69200600T2 (de) | Vorrichtung zur Herstellung eines aus Verstärkungsfasern und einem organischen, thermoplastischen Material bestehenden Verbundgarnes. | |
| EP0581145B2 (de) | Verfahren und Vorrichtung zur Herstellung von Fasern, die während des Verspinnens störende Gase und/oder Dämpfe abgeben | |
| DE60131758T2 (de) | Verfahren und vorrichtung zum extrudieren von mikroporösen folien | |
| WO1993019230A1 (de) | Verfahren zur herstellung cellulosischer formkörper sowie vorrichtung zur durchführung des verfahrens | |
| EP3883741A1 (de) | Verfahren und vorrichtung zum recyceln von kunststoffen | |
| DE29802123U1 (de) | Vorrichtung zur Herstellung von Faserstoffen aus thermoplastischen Kunststoffen | |
| DE3923139A1 (de) | Verfahren zur herstellung von polyaethylenfaeden durch schnellspinnen von ultra-hochmolekularem polyaethylen | |
| DE2208921A1 (de) | Verfahren und vorrichtung zur herstellung von kurzfasern aus thermoplastischen kunststoffen | |
| DE19600090A1 (de) | Verfahren und Vorrichtung zur Herstellung von schmelzgesponnenen Monofilen | |
| DE4220915A1 (de) | Verfahren und Vorrichtung zur Herstellung synthetischer Endlosfilamente | |
| DE69605024T4 (de) | Schmelzblasverfahren für polyarylensulfid und gegenstände | |
| DE69321890T2 (de) | Verfahren zur Herstellung einer optischen Faser und Vorrichtung zur Durchführung dieses Verfahrens | |
| DE2000958A1 (de) | Verfahren und Vorrichtung zum Abkuehlen von aus der Schmelze extrudierten Faeden | |
| DE102015006409A1 (de) | Vorrichtung zum Schmelzspinnen und Abkühlen einer Filamentschar | |
| DE4123122A1 (de) | Vorrichtung zur herstellung einer kunststoff-vliesbahn | |
| WO2007054375A1 (de) | Vorrichtung zur herstellung schmelzgesponnener filamente | |
| DE69734588T2 (de) | Verfahren zur herstellung von schmelzgeblasenen polyolefinfasern für mechanische filtration | |
| DE747592C (de) | ||
| DE1660186A1 (de) | Spinnvorrichtung | |
| EP0574789A1 (de) | Verfahren zur Herstellung von Polyarylensulfidfasern und danach erhältliche Polyarylensulfid-Multifilamente | |
| WO2020169398A1 (de) | Verfahren und vorrichtung zum filtern einer polymerschmelze | |
| DE19732458C1 (de) | Vorrichtung und Verfahren zur Filtration von hochviskosen Polymerschmelzen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| 17P | Request for examination filed |
Effective date: 19940718 |
|
| 17Q | First examination report despatched |
Effective date: 19960304 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| REF | Corresponds to: |
Ref document number: 159057 Country of ref document: AT Date of ref document: 19971015 Kind code of ref document: T |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REF | Corresponds to: |
Ref document number: 59307483 Country of ref document: DE Date of ref document: 19971113 |
|
| ITF | It: translation for a ep patent filed | ||
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19971210 |
|
| REG | Reference to a national code |
Ref country code: GR Ref legal event code: FG4A Free format text: 3025234 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2110033 Country of ref document: ES Kind code of ref document: T3 |
|
| ET | Fr: translation filed | ||
| REG | Reference to a national code |
Ref country code: PT Ref legal event code: SC4A Free format text: AVAILABILITY OF NATIONAL TRANSLATION Effective date: 19971118 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19980515 Year of fee payment: 6 |
|
| REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: PT Payment date: 19980519 Year of fee payment: 6 Ref country code: AT Payment date: 19980519 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IE Payment date: 19980520 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19980609 Year of fee payment: 6 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GR Payment date: 19980616 Year of fee payment: 6 |
|
| PLAV | Examination of admissibility of opposition |
Free format text: ORIGINAL CODE: EPIDOS OPEX |
|
| PLBQ | Unpublished change to opponent data |
Free format text: ORIGINAL CODE: EPIDOS OPPO |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: MC Payment date: 19980716 Year of fee payment: 6 |
|
| PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 19980728 Year of fee payment: 6 |
|
| PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
| 26 | Opposition filed |
Opponent name: EMS-INVENTA AG Effective date: 19980707 |
|
| NLR1 | Nl: opposition has been filed with the epo |
Opponent name: EMS-INVENTA AG |
|
| PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
| PLBQ | Unpublished change to opponent data |
Free format text: ORIGINAL CODE: EPIDOS OPPO |
|
| PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
| PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
| R26 | Opposition filed (corrected) |
Opponent name: EMS-INVENTA AG Effective date: 19980707 |
|
| NLR1 | Nl: opposition has been filed with the epo |
Opponent name: EMS-INVENTA AG |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990716 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990716 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990716 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19990730 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990731 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990731 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PUE Owner name: HOECHST AKTIENGESELLSCHAFT TRANSFER- ARTEVA TECHNO |
|
| BERE | Be: lapsed |
Owner name: HOECHST A.G. Effective date: 19990731 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000131 Ref country code: MC Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000131 |
|
| NLS | Nl: assignments of ep-patents |
Owner name: ARTEVA TECHNOLOGIES S.A.R.L. |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: 732E |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: TP |
|
| EUG | Se: european patent has lapsed |
Ref document number: 93111453.2 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
| RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: ARTEVA TECHNOLOGIES S.A.R.L. |
|
| REG | Reference to a national code |
Ref country code: PT Ref legal event code: MM4A Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20000131 |
|
| NLT2 | Nl: modifications (of names), taken from the european patent patent bulletin |
Owner name: ARTEVA TECHNOLOGIES S.A.R.L. |
|
| PLAW | Interlocutory decision in opposition |
Free format text: ORIGINAL CODE: EPIDOS IDOP |
|
| PLAW | Interlocutory decision in opposition |
Free format text: ORIGINAL CODE: EPIDOS IDOP |
|
| PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
| 27A | Patent maintained in amended form |
Effective date: 20010718 |
|
| AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: AEN Free format text: AUFRECHTERHALTUNG DES PATENTES IN GEAENDERTER FORM |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: DC2A Kind code of ref document: T5 Effective date: 20010730 |
|
| NLR2 | Nl: decision of opposition | ||
| ITF | It: translation for a ep patent filed | ||
| NLR3 | Nl: receipt of modified translations in the netherlands language after an opposition procedure | ||
| REG | Reference to a national code |
Ref country code: DK Ref legal event code: T4 |
|
| GBTA | Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977) |
Effective date: 20011024 |
|
| ET3 | Fr: translation filed ** decision concerning opposition | ||
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: 732E |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PFA Owner name: INVISTA TECHNOLOGIES S.A.R.L. Free format text: ARTEVA TECHNOLOGIES S.A.R.L.#TALSTRASSE 80#8001 ZUERICH (CH) -TRANSFER TO- INVISTA TECHNOLOGIES S.A.R.L.#TALSTRASSE 80#8001 ZUERICH (CH) |
|
| NLT1 | Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1 |
Owner name: INVISTA TECHNOLOGIES S.A.R.L. |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: CD |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: PC2A |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20080821 Year of fee payment: 16 Ref country code: DK Payment date: 20080721 Year of fee payment: 16 Ref country code: DE Payment date: 20080724 Year of fee payment: 16 Ref country code: CH Payment date: 20080912 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20080703 Year of fee payment: 16 Ref country code: IT Payment date: 20080731 Year of fee payment: 16 Ref country code: FR Payment date: 20080718 Year of fee payment: 16 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20080716 Year of fee payment: 16 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| REG | Reference to a national code |
Ref country code: DK Ref legal event code: EBP |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20090716 |
|
| NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 20100201 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20100331 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090731 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090731 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090731 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090716 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100202 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090731 |
|
| REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20090717 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090717 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20090716 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100201 |