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US2510135A - Method for spinning artificial filaments - Google Patents

Method for spinning artificial filaments Download PDF

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Publication number
US2510135A
US2510135A US770372A US77037247A US2510135A US 2510135 A US2510135 A US 2510135A US 770372 A US770372 A US 770372A US 77037247 A US77037247 A US 77037247A US 2510135 A US2510135 A US 2510135A
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US
United States
Prior art keywords
filaments
liquid
spinneret
spinning
coagulating
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
Application number
US770372A
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English (en)
Inventor
Pedlow John Watson
Wesley L Webb
Ingham S Roberts
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.)
Akzo Nobel UK PLC
Original Assignee
American Viscose Corp
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
Priority to BE484348D priority Critical patent/BE484348A/xx
Priority to NL74039D priority patent/NL74039C/xx
Application filed by American Viscose Corp filed Critical American Viscose Corp
Priority to US770372A priority patent/US2510135A/en
Priority to GB21788/48A priority patent/GB664829A/en
Priority to FR970673D priority patent/FR970673A/fr
Application granted granted Critical
Publication of US2510135A publication Critical patent/US2510135A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • D01D5/06—Wet spinning methods
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/217—Spinnerette forming conjugate, composite or hollow filaments

Definitions

  • vl 'iihisinvention relates .to methods of spinning artificial filaments by the wet-spinning system in accordance with which filaments extruded through orifices of a spinneret enter a coagulating liquid" whichserves to set up the filaments either by removal of solvent or by chemical reaction therewith.
  • the spinning procedures heretofore employed allow the filaments to be subjected to variable stresses by the coagulating liquid before theifilaments were toughened by sufiicient setting or'coag'ulation to be insensitive to such variable influences so that the final physical properties of the filaments were non-uniform, and this nonuniformity existed along the length of each individual filament as well as between the several filaments issuing from the same or diiierent spinnerets. In general, therefore, such attempts have only been partially successful.
  • the spinneret' may be disposed within a chamber to whichthecoagulating liquid is supplied, which chamber is provided with an opening in front of the'spinneret face through which the filaments accompanied by the liquid are withdrawn.
  • This opening may be of surficiently small diameter to limit the amount of liquid passing out ofthe' chamber with the filaments; depending upon the nature ofthe materiai forming the opening and the precise contour at the opening, the diameter of the'stream issuinginay increaseor-decrease somewhat from the diameterof the opening and accordingly the selection'of the size of the opening should take thisinto account.
  • the chamberabout the spinneret should be kept filled with the coagulating liquid which involves the feeding of suchliquid thereto at a rate'sufiicientto equal the rate of withdrawal bythe filaments.
  • the contour of wallsabout the passage or zonewithinthe chamber is preferably streamlined to assure viscous flow of the liquid as it approaches the opening immediately before passage therethrough. This can be adequately met by gradually tapering the inside wall or walls of the chamber toward the opening.
  • Figure 1 is an axial-section-through a spinneret assembly which may be used in performing the invention
  • Figure 2 is an elevation showing one spinning system
  • Figure l is a plan view of the embodiment of Figure 3.
  • Figure 5 is illustrative of a modification in which spinning is performed in a downward direction.
  • each spinneret is advantageously disposed within an individual chamber to which the coagulating liquid is supplied, though it is to be understood several spinnerets may be disposed in a common chamber.
  • the spinneret 3 is held in place 1113011 a pply pipe 4 by means of the coupling 5, a gasket 6 being present to provide a seal.
  • a housing member '3 is held in place upon the coupling member 5 by means of the sleeve 8 which threadedly engages the outer periphery of coupling 5.
  • the member 7 contains the chamber 9 and has a. recess I9 within which a guiding element I! having an orifice IIb fits.
  • a gasket I2 is seated between the member I I and the shoulder at the back of the recess Ii] and the orificed member I I is held in place by a coupling sleeve 53 which threadedly engages the outer periphery of the housing member I.
  • the coagulating liquid is supplied to the charm her i by means of the conduit it which may be the discharge conduit of a metering pump 55 such as a gear pump.
  • the conduit I4 fits into the housing member I and is arranged to direct the coagulating liquid around the body of the spinneret 3.
  • the conduit I 4 directed across the face 3a of the spinneret in order to prevent accumulation of bubbles on the spinneret face.
  • the arrows generally indicate the flow of the coagula ing liquid around the spinneret and then into the region immediately front of the spinneret face.
  • the inner end wall of the member II projects inwardly of the adjacent inside wall of the housing and this projecting ledge or shoulder assures that the liquid flows from all sides of the outer periphery of the spinneret toward the center of its face. As the liquid. flows inwardly along the face.
  • the transverse flow of the coagulating liquid over the face of the spinneret may proceed from one side only of such face so that the transverse flow may deflect the filament-forming streams toward the other side of the spinneret face, as is shown in the copending patent application of Roberts Serial No. 698,437, filed September 21, 1946. This sweeping of the spinneret face is unnecessary, however. when spinning other materials or under conditions which do not develop gas bubbles.
  • the size of the opening I ll) may be preselected, as more particularly described hereinafter, to limit the diameter of the stream or jet of liquid traveling with the filaments from the spinneret assembly.
  • the guide element or nozzle II is preferably made of material which is not only resistant to corrosion, erosion, and abrasion, but exerts but little abrading action on any filaments that may occasionally rub thereagainst during the initial lacing or threading operations. Glass, porcelain, agate, lava, and artificial materials of the latter type, such as that available under the trade name Alsimag may be used to advantage for this fitting,
  • the tapered passage I la merging into the opening I Ib may have any length up to 10 cm. or so but is preferably relatively short so that the distance from the opening I II) back to the spinneret face is not over 2 or 3 cm.
  • the spinneret assembly may be arranged to discharge the liquid carrying the filament bundle in any direction from vertically downward to vertically upward. Regardless of the direction taken by the filaments during spinning, i. e., downwardly or upwardly or at an inclination to either direction, the control of the coagulating liquid supplied to the chamber may be accomplished either by means of a metering pump such as a gear pump or by the maintenance of a predetermined pressure upon the liquid supplied to the chamber. When dependence is placed upon a predetermined pressure rather than upon a metering pump, it then becomes more important to predetermine the diameter of the opening III) in order to limit the amount of liquid issuing with the filament bundle.
  • a metering pump such as a gear pump
  • the present invention is more vitally concerned with what occurs after the filamentcontaining coagulating liquid stream or jet leaves the spinneret assembly up to the time of the removal of the excess liquid from the filament bundle.
  • the liquid carried by the filament bundle begins to flow back down the bundle in the case of upward spinning, irregularities immediately occur which influence the properties of the filaments.
  • the liquid starts to flow back down the liquid-carrying filament stream, it disturbs the upward traveling body of liquid and in a fashion characteristic of liquid, 2.
  • more or less irregular wave pattern is generally set up by such disturbance.
  • the result of such a disturbance is inherently the production of an irregular filament.
  • Such irregularity in the filament may not always be detectable in terms of its diameter but it does show up in variations of strength, extensibility and dye receptivity along the filament.
  • the amount of liquid in the jet containing the I filaments may be controlled in various ways.
  • the size of the opening I lb can. be predetermined to limit the diameter of the liquid jet issuing and the velocity of the jet can'be controlled by preselecting the pressure exerted upon the liquid in the chamberil, or by the operattion of the metering pump, depending upon which device'is employed.
  • the size of opening may vary in a'practical'fashion'be-V tween about 0.5 mm.-to "3.0 "mm. in diameter though lesser diameters not exceeding 2 mm. are preferred.
  • the'lface of the spinneret to the liquid level in' the exit opening in the chamber is not-over 3pm. andfis preferably -2 cm. or less.
  • the filamentcontainingjet of liquid issuing in this case Jacquires its velocity from the filaments-being withdrawn from the assembly.
  • the filament bundle itself, .in this'casecan be used 'tocontrol the diameter; of the liquid stream, and this" canbe effectively done by -varying'ithe spacing bet-ween the'orifices of the spinneret. -Whcn wi'de'spacing such asv 0-.020 toaozo ic inch between centers of adjacent.
  • orifices'in a row and between centersof -adjacentrows,- is used,- a relatively larger diameter of liquid stream will move away-With the filaments, whereas a closer-spacing, suchas 0.005'to 0.015 inch between centers of adjacent orifices in -arow and between centers of adjacent rows, provides a smaller diameter; and as indicated-above, the smaller diameter streams are preferred.
  • Thecloser spacing becomes more advantageous as the number i of filaments in the bundle-becomes larger.
  • the surface may rotate .at a
  • Figure 2 is illustrative of the pr esent.invention in which spinning is performed in avertical and upward direction.
  • the filaments pass directly along a straight, path from the opening 4 lb to a thread-advancing device such as the godet it having an inclined axis and about which the filaments are lapped by means of a roller guide ll.
  • the godet I6 is driven at any 'desiredspinning speed from meters upwardly and in accordance with the present invention it has been found that spinning speeds as high as 200 meters per minute can be employed with satisfactory production of filaments.
  • the filaments first reach the peripheral surface of godet [5, they are pressed thereagainst and the liquid travels down to the rim I8 of the tgodet from which it may fiow into a gutter l9 'therebelow.
  • the filaments leaving the godet 2! pass over additional thread-advancing devices for after-treatment, further stretching and the like, the filaments are ultimately collected either in the form of an untwisted or twisted package.
  • they may be collected in a centrifugal pot in the fashion conventional in the viscose spinning process; or they may be collected by winding on a bobbin without twisting; or they may be collected on twisters of the cap, fiyer, or ring type.
  • the process of the present invention is particularly adaptable to continuous spinning processes and especially to such processes as require high speed spinning, such as that disclosed in the application of Stanley and Lowe, Serial No. 504,664, filed October 2, 1943.
  • the filament proceeding from the spinning stage of the continuous spinning machine passes to one or more thread-advancing devices which rotate at sufficient speed to throw the liquid off by centrifugal force and a jacket is provided about the thread-advancing reel with its inner surface closely spaced about the bars of the reel so as to deflect the liquid thrown out to the surface back to the helix of filaments carried by the reel.
  • Figures 3 and 4 show a modification in which the filaments leaving the opening Hb in the housing around the spinneret 3 pass upwardly at an inclination to the vertical and in this embod ment.
  • the filaments in the jet of the coagulating liquid proceed directly to a thread-advancing reel 22 rotating at sufiiciently high speed to throw the liquid from the helix of thread carried thereon.
  • a guard member 23 is provided around the zone of the reel to which the filaments are first led. This guard member receives the liquid thrown ofi by centri ugal force and discharges it through a drain 24 connected to the bottom thereof.
  • a jacket 25 is disposed entirely surrounding the reel and having an ins de deflecting surface 25.
  • Annular grooves 2'! and 28 are di posed at each side of the sur ace 26 and communicate with drain pipes 23.
  • Add t onal coagulating li uid may be supplied to this jacket by means of the pipe 38 communining course between the spinneret assembly and the first thread-advancing device before subsequent washing, desulfurizing, etc., can be performed on a continuous spinning machine.
  • the coagulating liquid supplied to the jacket 25 is repeatedly thrown OK the helix of filaments and deflected back thereon to provide a thorough washing in the manner disclosed in the above mentioned Stanley and Lowe application.
  • the filaments may proceed to a second reel operating at higher peripheral speed to effect stretching.
  • a liquid may be applied to the filaments as they pass between the reels to facilitate stretching, such as hot water in the case of viscose. Then the filaments may proceed either to a collecting device or over a plurality of liquidtreating reels before being collected.
  • Figure 5 illustrates the directing of the filaments downwardly in a substantially vertical direction from the opening I lb of the housing I about the spinneret 3.
  • the coagulating liquid supplied to the chamber within the housing I by the conduit [4 is metered by the opening Ilb so that a limited weight of liquid travels with the filaments to the thread-advancing device 32.
  • the distance between the opening [lb and the point of first contact with the thread-advancing device 32 is preferably sufficient to provide substantially complete setting up of the filaments so that when they make contact with the device 32, they are no longer deleteriously aifected by any accumulations of liquid on the device 32 with which they may make con-- tact.
  • the distance between the spinnere't assembly and the device 32 may be less than that just specified, in which event it is desirable to incline the device 32 in the manner of device l8 in Figure 2, or to operate it at high peripheral speed as in Figure 3, in order to throw the liquid oil? by centrifugal force.
  • While the invention is applicable to the spinning of filaments of any material by the wet spinping procedure, the following examples illustrate the invention with reference to the spinning of viscose. These examples make use of a viscose containing l /2% cellulose and 6%% sodium hydroxide spun at a common salt point of 4, into a coagulating bath containing 9 to 10.5% sulfuric acid, 3% zinc, and 20 to 22% sodium sulfate at a temperature averaging C. and having a specific gravity averaging about 1.38.
  • the tabulated examples indicate the conditions which provide the travel of the coagulating liquid with the filaments at the same speed without back eating with the bore 3 I into the surface 26. This 55 flow, dripping or overtaking.
  • the present invention not only controls the flow of coagulating liquid so that the amount carried by the filaments is not so excessive as to develop back fiow and dripping and like irregular '9 disturbances but. it also economizes on. the amount of coagulating liquid neededffor complete s et' uph Furthermore, it assures that the coagulati'ng liquid which makes contact with the filaments immediately after the material leaves the spinneret orifices has a definite composition which is constant throughout the period of'spinning. ThUS EaChQDOI'tiOI'l.
  • Fresh coagulating liquid of the predetermined constitution makes the first contact withthe filaments issuing "from the spinneret andisuch' liquid, contam nated. as. a result. of contact with the. filaments, is notallowed to tarry atthe. spin-.- neret face to react with. subsequently issuing filaments but instead is continuously withdrawnwith the filaments so-thati fresh liquid replaces thatjat the spinneret face, in-a continuous fashion. action is assured iby. the provision of.
  • the pre ent invention is particularly, ad-
  • control-- led'pressureora metering pump for delivering thecoagulatingliquidtothe chamberabout theispin'. neret at a: predetermined "rate; in. combination with the presele'ctionr of" the diameter: of the opening .in: the ch amber through which: the; fila,
  • liquid discharged vfromiithat opening serves toacarry the fi aments rather than-the converse;
  • a h h speed aiet "'ssues and'rassists the withdrawing deand are coagulated to filaments in the coagulat ingliquid stream, imparting a.
  • predetermined constant velocity to the filaments as they proceed in said straight path forming the coagulating liquid stream at a point within a distance of about centimeters in front of the spinneret into a jet having substantially the same velocity as the filaments and flowing in free flight through the air along the straight path of the filaments, controlling the amount of liquid in the jet to assure that all of the liquid adheres to and travels substantially at the same velocity as the l0 filaments throughout saidstraightpath, afidtfiefi continuously removing, liquid from the filaments in a, uniformly controlled manner at a predetermined p'oi'ntof tllestlai'ght path.
  • the method'o'ffproducing artificial filaments comprising continuously extruding a filamentfcirniingmate'rial through the orifices of a spinneret me a stream offcoagulating 'liquidflowirlg argraduauy increasing velocity in the generaldi re'ctionof extrusion; directing, the filament-formingstreams of material ina straight path as they proceed 'from. the spinneret and are coagulated to "filaments inv the coagulating liquids tream; imparting. apredetermined constant velocity to the filaments along said straight path; forming the coagulating l quid stream. at a point within a distance of about 10 centimeters in front of the spi'n'neret!
  • the methodwof producingartificial fila-- ments comprising continuously extrndingra filament-forming material through the-orifices of a; spinneret into a streamof coagulating liquid;- moving r the liquid: in said stream away. frorni'zth'e spinneret at gradually increasing -rvelocity in-the general direction of extrusion.
  • liquidfsadh eres to and tra vels" sub stantially at the same velocity as the filaments throughout said str a eht pathg and then con tinuously l emovinIg llquid frornthe nl'aments nra to form a jet of the liquid issuing from the opena ing, continuously withdrawing the filaments through the opening and directing them with the jet in a straight free flight at substantially the same speed as the jet, controlling the amount of liquid in the jet to assure that all of the liquid adheres to and travels substantially at the same velocity as the filaments throughout the free flight, and then continuously removing liquid from the filaments at the end of the free flight.
  • the method of producing artificial fila-, ments comprising continuously extruding a filament-forming material through the orifices of a spinneret into a confined passage having a restricted exit opening not over about 10 centimeters from the spinneret face and a transverse crosssection along a portion thereof decreasing gradually to, and merging with, the opening, continuously directing coagulating liquid of predetermined constitution through the passage and the opening at sufiicient velocity to form a jet of the liquid issuing from the opening, continuously withdrawing the filaments through the opening and directing them with the jet in a straight free flight at substantially the same speed as the jet, controlling the amount of liquid in the jet to assure that all of the liquid adheres to and travels substantially at the same velocity as the filaments throughout the free flight, and,
  • the method of producing artificial fila ments comprising continuously extruding a viscose spinning solution through the orifices of a; spinneret into a confined passage having a restricted exit opening not over about 10 cen-" timeters from the spinneret face and a transverse cross-section along a portion thereof, decreasing gradually to, and merging with, the opening, continuously directing an aqueous, acid coagulating liquid transversely past the viscose streams at the position of extrusion and then through the passage and the opening at sum-' cient velocity to form a jet of the liquid issuing the same velocity as the filaments throughout the free flight, and then continuously removing liquid from the filaments at the end of the free flight.
  • the method of producing artificial filaments comprising continuously extruding a viscose spinning solution through the orifices of a spinneret, continuously'directing an aqueous, acid coagulating liquid transversely past the viscous streams at the position of extrusion into a zone surrounding the viscose streams, directing the filaments from the vicinity of the spinneret along a straight path comprising beyond a distance not over about 10 centimeters from the spinneret face, a free flight portion proceeding at a predetermined constant velocity, passing all of the coagulating liquid contaminated by proximity to and contact with the viscose streams with gradually increasing velocity through said zone away from the spinneret in the same direction as the viscose streams while supporting the filaments thereby until the velocity of the liquid is approximately the same as that of the filaments, controlling the amount of liquid in contact with the filaments along the free flight portion to assure 20.
  • the method of producing artificial fi1aments comprising continuously extruding a filament-formin material through the orifices of a spinneret into a stream of coagulating liquid flowing in the general direction of extrusion, directing the filament-forming streams of material in a straight path as they proceed from the spinneret and are coagulated to filaments in the coagulating liquid stream, imparting a predetermined constant velocity to the filaments as they proceed in said straight path, forming the coagulating liquid stream at a point within a distance of 3 centimeters in front of thespinneret into a jet having substantially the same velocity as the filaments and flowing in free flight through the air along the straight path of the filaments, controlling the amount of liquid in the jet to assure that all of the liquid adheres to and travels substantially at the same velocity as the filaments throughout said straight path, and then continuously removing liquid from the filaments in a uniformly controlled manner at a predetermined point of the straight path.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
US770372A 1947-08-25 1947-08-25 Method for spinning artificial filaments Expired - Lifetime US2510135A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE484348D BE484348A (fr) 1947-08-25
NL74039D NL74039C (fr) 1947-08-25
US770372A US2510135A (en) 1947-08-25 1947-08-25 Method for spinning artificial filaments
GB21788/48A GB664829A (en) 1947-08-25 1948-08-18 Methods for spinning artificial filaments
FR970673D FR970673A (fr) 1947-08-25 1948-08-24 Procédé de filage d'éléments artificiels par voie humide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US770372A US2510135A (en) 1947-08-25 1947-08-25 Method for spinning artificial filaments

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US2510135A true US2510135A (en) 1950-06-06

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US (1) US2510135A (fr)
BE (1) BE484348A (fr)
FR (1) FR970673A (fr)
GB (1) GB664829A (fr)
NL (1) NL74039C (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775505A (en) * 1952-06-05 1956-12-25 American Viscose Corp Spinning regenerated cellulose filaments
US2788256A (en) * 1952-06-02 1957-04-09 American Viscose Corp Method of spinning filamentary strands
US2804646A (en) * 1952-08-04 1957-09-03 American Enka Corp Wet spinning apparatus
US2834046A (en) * 1954-06-17 1958-05-13 American Enka Corp Spinneret arrangement
US2905968A (en) * 1955-09-07 1959-09-29 American Enka Corp Viscose spinning device
US3347959A (en) * 1964-10-08 1967-10-17 Little Inc A Method and apparatus for forming wire from molten material
US3405208A (en) * 1964-04-07 1968-10-08 Kurata Shozo Method for granulating meltable material
US3461197A (en) * 1963-03-22 1969-08-12 Jerome H Lemelson Method for producing composite articles
US4173443A (en) * 1977-06-01 1979-11-06 Celanese Corporation Spray spinning nozzle having convergent gaseous jets
US4298565A (en) * 1980-02-12 1981-11-03 E. I. Du Pont De Nemours And Company Spinning process
US4361532A (en) * 1981-01-09 1982-11-30 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for the continuous spinning of viscose rayon
US4910850A (en) * 1983-03-22 1990-03-27 Mitsubishi Rayon Company, Ltd. Method for coagulation of a polymer latex
US5017110A (en) * 1987-02-16 1991-05-21 Lenzing Aktiengesellschaft Apparatus for producing high-temperature resistant polymers in powder form
EP0442405A2 (fr) * 1990-02-16 1991-08-21 Akzo Nobel N.V. Procédé et dispositif pour la fabrication d'articles moulés
US5254303A (en) * 1990-02-16 1993-10-19 Akzo N.V. Method and device for manufacturing molded bodies
WO2002055769A1 (fr) * 2000-11-03 2002-07-18 Honeywell International Inc. Filature, traitement et applications de filaments, de rubans et de fils de nanotubes de carbone
US6562282B1 (en) 2000-07-20 2003-05-13 Rtica, Inc. Method of melt blowing polymer filaments through alternating slots
CN103305946A (zh) * 2013-07-04 2013-09-18 吴江市汇泉纺织有限公司 一种纺丝静电监测导辊
CN103409829A (zh) * 2013-07-30 2013-11-27 苏州豪建纺织有限公司 一种高渗透熔丝结构
CN110205686A (zh) * 2019-06-28 2019-09-06 大连沃隆峰英鸿纳米科技有限公司 一种静电纺丝纳米纤维用聚合物喷射机构
CN111501111A (zh) * 2020-04-28 2020-08-07 陕西工业职业技术学院 一种杂乱纤维膜的制备装置及其方法
CN113755954A (zh) * 2021-09-06 2021-12-07 界首市三宝宏达制线有限公司 一种湿法长丝纺丝设备及纺丝方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1105103B (de) * 1954-06-17 1961-04-20 Onderzoekings Inst Res Verfahren zur Herstellung von kuenstlichen Faeden aus Viskose nach dem Nassspinnverfahren

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493545A (en) * 1923-01-25 1924-05-13 Jr Martin Holken Process and means for manufacturing artificial silk by the stretching spinning method
GB394049A (en) * 1932-01-26 1933-06-22 Leonard Joseph Shone Improvements in and relating to the production of artificial fibres, horse-hair and the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493545A (en) * 1923-01-25 1924-05-13 Jr Martin Holken Process and means for manufacturing artificial silk by the stretching spinning method
GB394049A (en) * 1932-01-26 1933-06-22 Leonard Joseph Shone Improvements in and relating to the production of artificial fibres, horse-hair and the like

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788256A (en) * 1952-06-02 1957-04-09 American Viscose Corp Method of spinning filamentary strands
US2775505A (en) * 1952-06-05 1956-12-25 American Viscose Corp Spinning regenerated cellulose filaments
US2804646A (en) * 1952-08-04 1957-09-03 American Enka Corp Wet spinning apparatus
US2834046A (en) * 1954-06-17 1958-05-13 American Enka Corp Spinneret arrangement
DE1105104B (de) * 1954-06-17 1961-04-20 Onderzoekings Inst Res Vorrichtung zur Herstellung von kuenstlichen Faeden nach dem Nassspinnverfahren
US2905968A (en) * 1955-09-07 1959-09-29 American Enka Corp Viscose spinning device
US3461197A (en) * 1963-03-22 1969-08-12 Jerome H Lemelson Method for producing composite articles
US3405208A (en) * 1964-04-07 1968-10-08 Kurata Shozo Method for granulating meltable material
US3347959A (en) * 1964-10-08 1967-10-17 Little Inc A Method and apparatus for forming wire from molten material
US4173443A (en) * 1977-06-01 1979-11-06 Celanese Corporation Spray spinning nozzle having convergent gaseous jets
US4298565A (en) * 1980-02-12 1981-11-03 E. I. Du Pont De Nemours And Company Spinning process
US4361532A (en) * 1981-01-09 1982-11-30 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for the continuous spinning of viscose rayon
US4910850A (en) * 1983-03-22 1990-03-27 Mitsubishi Rayon Company, Ltd. Method for coagulation of a polymer latex
US5017110A (en) * 1987-02-16 1991-05-21 Lenzing Aktiengesellschaft Apparatus for producing high-temperature resistant polymers in powder form
EP0442405A2 (fr) * 1990-02-16 1991-08-21 Akzo Nobel N.V. Procédé et dispositif pour la fabrication d'articles moulés
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NL74039C (fr)
GB664829A (en) 1952-01-16
BE484348A (fr)
FR970673A (fr) 1951-01-08

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