EP0586951B1 - Fil à deux composants bouclé de titre fin et à haute résistance, procédé de sa production et l'utilisation comme fil à coudre et fil à broder - Google Patents

Fil à deux composants bouclé de titre fin et à haute résistance, procédé de sa production et l'utilisation comme fil à coudre et fil à broder Download PDF

Info

Publication number
EP0586951B1
EP0586951B1 EP93113342A EP93113342A EP0586951B1 EP 0586951 B1 EP0586951 B1 EP 0586951B1 EP 93113342 A EP93113342 A EP 93113342A EP 93113342 A EP93113342 A EP 93113342A EP 0586951 B1 EP0586951 B1 EP 0586951B1
Authority
EP
European Patent Office
Prior art keywords
yarn
filaments
stationary
fancy
component loop
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
EP93113342A
Other languages
German (de)
English (en)
Other versions
EP0586951A1 (fr
Inventor
Ingolf Dr. Jacob
Josef Geirhos
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.)
Hoechst AG
Original Assignee
Hoechst AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of EP0586951A1 publication Critical patent/EP0586951A1/fr
Application granted granted Critical
Publication of EP0586951B1 publication Critical patent/EP0586951B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/46—Sewing-cottons or the like
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/165—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam characterised by the use of certain filaments or yarns
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2922—Nonlinear [e.g., crimped, coiled, etc.]
    • Y10T428/2924—Composite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying

Definitions

  • the present invention relates to new high-strength two-component loop yarns fine titers, adapted processes for their production and their use as sewing threads and embroidery threads.
  • core threads have mainly been used in the field of sewing threads been used. These are yarns from a load-bearing one Filament core and a sheathing, usually made of staple fibers. Due to the manufacturing process, such core yarns can only be used with the usual coarse titers realize. More recently, loop yarns are made from so-called stand-up and Effect threads have become known as a replacement for the complex to produce Core yarns are meant. So far, this has also been the case with these threads Direction of development for relatively coarse titer yarns. For some Areas of application, e.g.
  • the present invention is the first Sewing threads are provided that meet this requirement profile and that taking into account the fine titer particularly inexpensive to manufacture are.
  • Loop threads which can be used in particular as sewing threads, are in themselves known. Yarns of this type are e.g. in EP-A-295,601, -367,938 and 363,798. In these writings, the final title of the loop yarn in the Range above 200 dtex. As the lower limit of the total titer of the Upright filaments are given 100 dtex.
  • Yarns in particular sewing yarns, are also known from EP-A1-0 472 873, which consist of at least two yarn components, which together are swirled.
  • the individual filaments have the second Yarn components, which the function of the sheath or the effect filaments has a specific strength that is between 5 and 70% of the specific The strength of the individual filaments of the first yarn component is.
  • blow texturing process is suitable for manufacture fine-tied loop yarns in the range of less than 200 dtex and that let the obtained threads be used as sewing threads.
  • fine denier yarns Particularly desirable because it can be used to create seams that are not very noticeable are and still have a high seam strength.
  • the present invention relates to a two-component loop yarn made from standing round Effect filaments made of synthetic polymers according to claim 1.
  • Two-component loop yarns with a final titer of 80 to are preferred 170 dtex, in particular from 110 to 150 dtex.
  • the upright thread of the two-component loop yarns according to the invention has preferably a total titer of 60 to 95 dtex.
  • the effect thread of the two-component loop yarns according to the invention has preferably a total titer of 30 to 95 dtex.
  • the two-component loop yarn according to the invention settles from standing and effect filaments together.
  • the upright filaments are oriented to a much greater extent in the direction of the fiber axis than the effect filaments that swirl and intertwine with the upright filaments are, but also due to their greater length from the fiber structure protruding loops and thus the textile properties and the Determine significantly the properties of use of the yarn according to the invention.
  • Loop yarns are usually in a ratio of 95: 5 to 70:30, preferably 90:10 to 80:20.
  • Stand and effect filaments generally differ in terms of their Single titer.
  • the individual titer of the upright filaments is within these titer limits preferably 1.2 to 6 times, in particular 1.5 to 3.5 times the individual titer the effect filaments.
  • the loop yarn according to the invention preferably has a final strength of more than 40 cN / tex.
  • the quotient is calculated from the final strength Maximum tensile force and final titer at the moment of maximum tensile force Understood.
  • the final strength of the loop yarns according to the invention is particularly preferably 48 to 60 cN / tex.
  • the loop yarn according to the invention preferably has a thermal shrink at 180 ° C of less than 8%, especially less than 5%.
  • the loop yarn according to the invention preferably has one Maximum tensile elongation of less than 18%, especially less than 15%.
  • the maximum tensile elongation is the elongation that the yarn is exposed to Experienced maximum traction.
  • Two-component loop yarns are very particularly preferred Final strength of more than 48 cN / tex, a thermal shrink at 180 ° C have less than 5% and a maximum tensile force elongation of less than 15%.
  • polyester as the starting material for both is particularly preferred Yarn components.
  • polyesters are those which essentially consist of aromatic dicarboxylic acids, e.g. 1,4-, 1,5- or 2,6-naphthalenedicarboxylic acid, Isophthalic acid or in particular terephthalic acid and aliphatic diols with 2 to 6, especially 2 to 4 carbon atoms, e.g. Ethylene glycol, 1,3-propanediol or 1,4-butanediol can be obtained by cocondensation.
  • suitable hydroxycarboxylic acids e.g. p- (2-Hydroxyethyl) benzoic acid as Starting materials for polyester.
  • polyester raw materials can also be condensed small amounts of aliphatic dicarboxylic acids, e.g. Glutaric acid, adipic acid or sebacic acid or of polyglycols, e.g. Diethylene glycol (2,2'-dihydroxydiethyl ether), Triethylene glycol (1,2-di- (2-hydroxy-ethoxy) ethane) or also can be modified from lower proportions of higher molecular weight polyethylene glycols.
  • aliphatic dicarboxylic acids e.g. Glutaric acid, adipic acid or sebacic acid
  • polyglycols e.g. Diethylene glycol (2,2'-dihydroxydiethyl ether), Triethylene glycol (1,2-di- (2-hydroxy-ethoxy) ethane
  • Triethylene glycol 1,2-di- (2-hydroxy-ethoxy) ethane
  • loop yarns according to the invention flame retardant polyester materials, for example phospholane modified polyethylene terephthalate.
  • the upper limit of the final strength of the loop yarns according to the invention depends the selected degree of condensation of the polymer material used, especially the polyester material.
  • the degree of condensation of the polymer is expressed in its viscosity.
  • polyesters with a high final strength so high molecular weight polyesters with an intrinsic viscosity are used in particular (measured in solutions in dichloroacetic acid at 25 ° C) of greater than 0.65 dl / g, especially above 0.75 dl / g. This applies at least to the upright component; but preferably for stand-up and effect components.
  • Loop yarn is comprised of polyethylene terephthalate or copolyester recurring ethylene terephthalate units.
  • the production of the two-component loop yarn according to the invention consisting of upright and effect threads is made by blasting two or several fed to a texturing nozzle with different lead Roving strands.
  • the blow texturing is carried out by a fluid, e.g. Water or in particular by a gas which is inert to the roving strands, in particular through air.
  • the invention further relates to a method for producing a Two-component loop yarn made from stand-up and effect filaments made from polyester according to claim 15.
  • filament material is used for the texturing of blowers in yarns fed to the blow nozzle at a higher speed than drawn from it.
  • the Advance expressed in Percentages based on the take-off speed are called the Advance.
  • they are now joined together mixing strands of yarn, which in the finished yarn then the stand or the Deliver effect filaments, fed to the texturing nozzle with different lead.
  • the roving strand from which the upright filaments of the yarn according to the invention are made the blowing nozzle is usually advanced by 3 to 10%, the roving strand from which the effect filaments of the yarn according to the invention emerge, usually supplied with an advance of 10 to 60%.
  • T S T St * (1 + (V ST / 100)) + T E * (1 + (V E / 100)), where T St and V St are the titer and advance of the roving and T E and V E are the titer and advance of the effect roving.
  • the total titers of the standing filaments and the effect filaments Roving strands are selected to have a ratio of 95: 5 to 70: 30, preferably 90: 10 to 80: 20 and that taking into account the Advance and the other titer-influencing procedural measures one Final titers of less than 200 dtex result.
  • the individual titers of the upright filaments fed to the texturing nozzle are usually 1.2 to 8 dtex, preferably 1.5 to 5.0 dtex, and the individual titers of The effect filaments fed to the texturing nozzle are usually 0.6 to 4.5 dtex, preferably 1.4 to 3.0 dtex.
  • the individual titers of the Column filaments are chosen so that they are 1.2 to 6 times, preferably 1.5 to 3.5 times the individual titer of the effect filaments.
  • rovings for the production of the two-component loop yarns according to the invention are preferably high-strength yarns as upright filaments used, while both conventional textile multifilament yarns as high-strength multifilament yarns can also be used.
  • Preferred polyester for the production of this high-strength Multifilament yarns especially for the production of fancy yarns especially intrinsic viscosities (measured as indicated above) in the range from 0.65 to 0.75 dl / g or - in the case of particularly high molecular types for Production of the stand-up yarns - in the range from 0.75 to 0.85 dl / g.
  • rovings for the production of the two-component loop yarns according to the invention are preferably high-strength and low shrinkage yarns used, e.g. from DE-AS-1,288,734 or EP-A-173,200 have become known.
  • conventional filament multifilament yarns can be used as effect filaments are used, or - if particularly high strengths of the two-component loop yarn be desired - as with the upright filaments high tenacity and low shrinkage multifilament yarns.
  • Upright filaments with a maximum tensile strength are preferably used to the final titer of at least 65 cN / tex, usually 65 to 90 cN / tex, especially 70 to 84 cN / tex.
  • Further preferred standing filaments have a thermal shrinkage at 180 ° C. at most 9%, usually 5 to 9%, preferably 6 to 8%.
  • Further preferred upright filaments have a maximum tensile strength elongation of at least 8%, usually from 8 to 15%, preferably from 8.5 to 12%.
  • two roving strands are used, both of which consist of filaments that have a maximum tensile strength, based on the final titer, of at least 65 cN / tex, a thermal shrinkage at 180 ° C of a maximum of 9% and a maximum tensile strength elongation of 10 to 15% exhibit.
  • the roving or yarns to be used is produced in an integrated process step immediately preceding the blast texturing, in which at least one of the rovings is obtained by stretching a partially oriented spun fabric and an immediately subsequent, essentially shrink-free heat treatment.
  • Essentially shrink-free means that the yarn is preferably kept at a constant length during the heat treatment, but that shrinkage of up to 4%, in particular below 2%, can be permitted. It has been found that the strength of the loop yarns obtained is about 5 to 20% higher when the roving is integrated. It is assumed that the freshly drawn individual filaments are still mobile and can therefore be intermingled particularly well, ie with little loss of strength.
  • the method according to the invention therefore at least one roving, in particular two roving from partially oriented Spun goods drawn on one or two different drafting systems, which in the subjected to substantially shrink-free heat treatment and immediately then fed to the blow molding.
  • the stretching of the partially oriented Yarns are made at a temperature of 70 to 100 ° C, preferably over heated Godets at a drawing tension in the range of 10 to 30 cN / tex, preferably from 12 to 17 cN / tex (each based on the stretched titer).
  • Another preferred variant of the method according to the invention includes this Stretching the roving for the stand thread in an integrated, the Blast texturing immediately preceding process step and use of a textile multifilament yarn as an effect thread.
  • this embodiment So only the roving intended as a stand thread from a partially oriented Received spun fabric, drawn on a drafting device, essentially one subjected to shrink-free heat treatment and immediately afterwards the Blow texturing is supplied.
  • the essentially shrink-free immediately following the stretching The yarn is heat-treated at a yarn tension between 2 and 20 cN / tex, preferably at 4 to 17 cN / tex, and at a temperature in the range of 180 to 250 ° C, preferably from 225 to 235 ° C.
  • this heat treatment can be carried out in any known manner, It is particularly expedient to heat treatment directly on a heated one Deduction godet.
  • two roving strands are immediately before the swirling, the drawing conditions of the partially oriented yarns preferably kept the same as possible, with differences can be tolerated in the stretching conditions of +/- 10%.
  • the trigger voltage is usually 0.05 to 0.4 cN / dtex, preferably 0.15 to 0.25 cN / dtex.
  • the voltage should preferably be chosen so that the formed Loops and loops are essentially preserved, i.e. not or only contract to a small extent like a bud.
  • the stabilized primary yarn is heated to close the yarn structure fix. It is useful to keep the yarn with a constant length Hot air treatment at air temperatures of 200 to 320 ° C, preferably 240 to Subject to 300 ° C.
  • the yarn is carried over a certain length blown evenly heated heat transfer gas, so that the Heat transfer process more by moving the heat transfer gas (Convection) than by heat transfer using temperature gradients.
  • This type of blowing will cause the yarn to adhere to the air interface their insulation effect counteracts the heat transfer, for a longer one Blown away yarn section and the heated heat transfer gas can be Deliver heat quickly and evenly to the yarn.
  • the temperature of the Heat transfer gas only needs to be a little above the yarn temperature, because most of the heat transfer through convective air movement and only a smaller part is caused by temperature gradients.
  • This convective type of Heat transfer is very efficient and it will also overheat the Yarn material avoided, so that a gentle and uniform heating is realized.
  • the heat transfer gas can be preheated in any conventional manner will; for example by contact with a heat exchanger, passing through by heated pipes or by direct heating via heating spirals.
  • the temperature of the preheated heat transfer gas is higher than that in the individual case desired yarn temperature; the heat transfer gas is preferably heated to temperatures up to 20 ° C above and ensures that between the Preheating and the actual heating of the yarn is not worth mentioning Temperature drop occurs.
  • the heated heat transfer gas can be placed anywhere in the thread run channel be introduced.
  • the heat transfer gas is preferably conducted to the Thread run channel in such a way that this along the entire thread run channel can come into contact with the yarn.
  • the length is preferably the blowing zone to more than 6 cm, in particular to 6 to 120 cm, in particular to 6 to 60 cm.
  • the heat transfer gas is preferably passed in perpendicular to the direction of the yarn the thread run channel, the heat transfer gas on the one hand from the current Yarn is entrained and the heating device through the yarn outlet leaves together with the running yarn, and on the other hand against the direction of the yarn moves and the heater over the yarn inlet leaves.
  • the heat transfer gas is in the middle Part of the thread channel over a length of about 1/4 to 1/2 of the channel length blown small openings perpendicular to the yarn and escapes in and against the thread running direction from the thread run channel.
  • this embodiment is carried out with a cross-blowing Extraction on the opposite side.
  • the temperature of the heat transfer gas in the heater changes generally only insignificantly, i.e. this gas experiences through as it passes the heating device has no significant temperature change. This is through to achieve suitable insulation of the gas-carrying parts of the device.
  • a particular advantage is that the regulation described above the temperature loss of heat between the heater and yarn can be disregarded because the heating device after the Temperature is controlled near the yarn. This can make the elaborate Avoid wall heating in the air duct between the heater and yarn will. Even fluctuations in the insulation effect from place to place can be regulated by this type of regulation.
  • the conditions for this are per se to the expert known and can for the individual case based on preliminary preliminary tests be determined.
  • the two-component loop yarns according to the invention have in addition to fine end titer the advantages of the coarse titre two-component loop yarns known per se on. So the loops of the individual filaments remain after the Leaving the blow texturing nozzle fully preserved and resulting from the entrained Good sewing properties in air, even at high sewing speeds. This advantage is shown in high values for the so-called sewing length up to the break after the method known from DE-A-3,431,832 can be determined. Also show the two-component loop yarns according to the invention are uniform Staining along the thread, especially the variants, the drawn filaments have uniform molecular orientation.
  • the types of the two-component loop yarns according to the invention in which high-strength and low-shrinkage stand and effect rovings are used have a significantly higher strength than the types of the invention
  • Two-component loop yarns with different shrinkage Filaments are used.
  • the use of similar rovings is simplified in addition, the manufacturing process.
  • shrinking rovings Usually a lot more loops have to be created first than the finished one Loop yarn should have.
  • a particular advantage is that the two-component loop yarn according to the invention does not have to be twisted. It can, despite its minor End titer can be used untwisted, for example as a sewing thread.
  • the two-component loop yarns according to the invention can be use for example as embroidery threads or in particular as sewing threads.
  • the Invention also relates to these uses of the yarns.
  • a device for producing the two-component loop yarn according to the invention can be made up of the following elements, for example: one creel for the bobbins of the stand and effect roving, two in parallel working drafting systems with heatable inlet and outlet godets, their Speeds can be set separately using a blow nozzle separate infeed units for exact adjustment of the advance of the Roving strands, a draw-off unit for the defined draw-off of the blown yarn, if desired, a conventional hot air fixing device and a take-up spool.
  • rovings consist of Polyethylene terephthalate with an intrinsic viscosity of 0.78 dl / g (roving for upright thread) or 0.69 dl / g (roving for fancy thread) (measured as defined above).
  • the two rovings are fed to the drawing units assigned to them and drawn there with the help of godets in a ratio of 1: 2.3 (for the main roving) or 1: 2.1 (for the effect roving).
  • the temperatures of the inlet godets were 80 o C and the outlet godets 235 o C.
  • the drawn yarns were led around the heated outlet godets of the drafting units.
  • the yarn running speed for the two drafting systems was adjusted separately so that the running speed into the blow nozzle for the main roving was 636 m / min and for the effect roving 750 m / min.
  • the stretch titer of the rovings before entering the blow nozzle was 93 dtex for the stand-up yarn and 30 dtex for the fancy yarn.
  • the blown yarn was drawn off behind the blow nozzle at 600 m / min. This results in a tradition of 6% for the main yarn and 25% for the fancy yarn.
  • the loop yarn was pulled off mechanically stabilized, the tension in the yarn being 0.15 cN / dtex. After that the yarn was fixed by passing it through a 140 cm long heated to 235 ° C Convection oven was passed.
  • the raw yarn thus obtained was wound up and then dyed.
  • final titer 140 dtex
  • final strength 54 cN / tex 54 cN / tex
  • heat shrinkage 180 ° C 2%
  • maximum tensile elongation 14%.
  • the average sewing length of the dyed loop yarn is more than 4000 stitches when sewing forward and more than 2000 stitches when sewing backwards.
  • Example 2 The procedure is analogous to that in Example 1, with a roving roving of the titer 140f32 and an effect roving of titer 63f24 are presented. Both rovings consist of polyethylene terephthalate with an intrinsic viscosity of 0.69 dl / g each (measured as defined above).
  • the two rovings are fed to the drawing units assigned to them and drawn there with the help of godets in a ratio of 1: 2.3 (for the main roving) or 1: 2.1 (for the effect roving).
  • the temperatures of the inlet godets were 80 o C and the outlet godets 235 o C.
  • the drawn yarns were led around the heated outlet godets of the drafting units.
  • the yarn speed for the two drafting units was adjusted separately so that the speed of entry into the blow nozzle was 636 m / min for the roving roving and 750 m / min for the roving roving.
  • the stretch titer of the roving before entering the blow nozzle was 61 dtex for the stand-up yarn and 30 dtex for the fancy yarn.
  • the blown yarn was drawn off behind the blow nozzle at 600 m / min. This results in a tradition of 6% for the main yarn and 25% for the fancy yarn.
  • the loop yarn was pulled off mechanically stabilized, the tension in the yarn being 0.15 cN / dtex. After that the yarn was fixed by passing it through a 140 cm long heated to 235 ° C Convection oven was passed.
  • the raw yarn thus obtained was wound up and then dyed.
  • final titer 102 dtex
  • final strength 56 cN / tex
  • heat shrinkage 180 ° C 2.5%
  • maximum tensile elongation 13%.
  • the average sewing length of the dyed loop yarn is more than 4000 stitches when sewing forward and more than 2000 stitches when sewing backwards.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Woven Fabrics (AREA)

Claims (34)

  1. Fil bouclé à deux composants consistant en filaments fixes et en filaments fantaisies retordus, obtenus à partir de polymères synthétiques, où les filamentss fixes ou bien les filaments fixes et les filaments frantaisies retordus ont été étirés de matière filable partiellement orientée en tant que mèches et ont été sousmis à un traitement thermique essentiellement sans retrait et, à la suite immédiate de celà, ont été amenés à la texturation par soufflage, caractérisé en ce que non seulement les filaments fixes mais aussi les filaments fantaisies retordus consistent en polyesters de poids moléculaire élevé d'une viscosité intrinsèque de plus de 65 dl/g (déterminée en solution dans l'acide dichloracétique à 25°C), que l'étirage se passe à une température de 70 à 100°C sur un, ou selon le cas, deux bancs d'étirage différents, où les conditions d'étirage des filaments fixes et des filaments fantaisies retordus se diffèrent de plus/minus 10% au maximum, qu'il a une résistance finale de 30 cN/tex au minimum, et un titre final de moins de 200 dtex, et en ce que les filaments fixes et les filaments fantaisies retordus ont un titre total respectif de moins de 100dtex.
  2. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que ledit fil bouclé a un titre final de 80 à 170 dtex, de préférence de 110 à 150 dtex.
  3. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que le fil fixe duquel a un titre total de 60 à 95 dtex.
  4. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que le fil fantaisie retordu duquel a un titre total de 30 à 95 dtex.
  5. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que ledit fil bouclé a une résistence finale de plus de 40 cN/tex.
  6. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que ledit fil bouclé a un retrait thermique à 180°C de moins de 8%.
  7. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que ledit fil bouclé a une élongation à la rupture de moins de 18%.
  8. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que ledit fil bouclé a une résistence finale de plus de 48 cN/tex, un retrait thermique à 180°C de moins de 5% et une élongation à la rupture de moins de 15%.
  9. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que les titres totales des filaments fixes et des filaments fantaisies retordus sont dans le rapport de 95:5 à 70:30.
  10. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que le titre individuel des filaments fixes est de 1,2 à 8 dtex et le titre individuel des filaments fantaisies retordus est de 0,6 à 4,5 et que le titre individuel des filaments fixes est de 1,2 fois à 6 fois la quantité du titre individuel des filaments fantaisies retordus.
  11. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que les filaments fixes et les filaments fantaisies retordus se composent d'un polyester, en particulier d'un polyester ayant une viscosité intrinsèque de plus de 0,65 dl/g (déterminée en solution dans l'acide dichloracétique à 25°C), en particulier de plus de 0,75 dl/g.
  12. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que les filaments fixes se composent d'un polyester ayant une viscosité intrinsèque de 0,75 à 0,85 dl/g (déterminée en solution dans l'acide dichloracétique à 25°C), et en ce que les filaments fantaisies retordus se composent d'un polyester ayant une viscosité intrinsèque de 0.65 à 0,70 Dl/g (déterminée en solution dans l'acide dichloracétique à 25°C).
  13. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que les filaments fixes et les filaments fantaisies retordus se composent de polyéthylènetérérephthalate.
  14. Fil bouclé à deux composants d'après la revendication 1, caractérisé en ce que les filaments fixes et les filaments fantaisies retordus se composent d'un polyester peu inflammable, en particulier d'un polyéthylènetérérephthalate modifié par le phospholane.
  15. Procédé pour la production d'un fil bouclé à deux composants constitué de filaments fixes et de filaments frantaisies retordus en polyester, où l'on étire les filaments fixes ou bien les filaments fixes et les filaments fantaisies retordus à partir de matière filable partiellement orientée en tant que mèches, où on sousmet ensuite les filaments à un traitement thermique essentiellement sans retrait et les conduit immédiatement à la filière à texturer et où l'on emmêle les torchettes de la mêche dans la filière à texturer sous telles conditions, qu'il se forme un fil se composant de filaments fixes et de filaments fantaisies retordus, où se forment des boucles formées essentiellement de filaments fantaisies retordus sur la surface dudit fil, caractérisé en ce que l'on utilise des filaments fixes et des filaments fantaisies retordus en tant que mêches dont chacun a un titre total de moins de 100 dtex en polyester de poids moléculaire élevé et d'une viscosité intrinsèque de plus de 65 dl/g (déterminée en solution dans l'acide dichloracétique à 25°C), que l'étirage se passe à une température de 70 à 100°C sur un, ou selon le cas, deux dispositifs d'étirage différentiels, les conditions d'étirage des filaments fixes et des filaments fantaisies retordus se différenciant de 10% au maximum, que l'on défile ledit fil bouclé primaire à deux composants sous tension afin de stabiliser mécaniquement ledit fil primaire sous réduction de la grandeur de boucle, que l'on échoffe ledit fil primaire stabilisé pour la fixation de la structure du fil, où l'on choisit le titre total des torchettes de la mêche, la différence des rapidités d'adduction des torchettes de la mêche, les conditions à l'emmêlement, à la stabilisation mécanique et à la fixation de manière, que se forme un fil bouclé à deux composants ayant un titre final de moins de 200 dtex.
  16. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que deux torchettes de la mêche sont amenées à la filière à texturer, qui se meuvent à des rapidités différentes.
  17. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que les torchettes de la mêche ont des titres de filament totales et individuelles différentes et en ce qu' au moins la mêche pour le filament fixe se compose de filaments ayant une résistence à la traction, en référance au titre final, d'au moins de 65 cN/tex, un retrait thermique à 180°C de 9% au maximum et une élongation à la rupture de 10 à 15%.
  18. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 17, caractérisé en ce que l'on utilise deux torchettes de la mêche, tous les deux se constituant de filaments ayant une résistence à la traction, en référance au titre final, d'au moins de 65 cN/tex, un retrait thermique à 180°C de 9% au maximum et une élongation à la rupture de 10 à 15%.
  19. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'on amène les filaments fixes à la filière à texturer d'une avance de 10 à 60%.
  20. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que les titres totaux des torchettes fixes et fantaisies retordues sont dans le rapport de 95:5 à 70:30 et que l'on les a choisi de manière, qu'en considération de l'avance, leur somme s'élève jusqu'à 200 dtex.
  21. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que les titres individuels des filaments fixes amenés à la filière à texturer s'élèvent à 1,2 à 8 dtex et les titres individuels des filaments fantaisies retordus amenés à la filière à texturer s'élèvent à 0,6 à 4,5 dtex et que le titre individuel des filaments fixes est de 1,2 fois à 6 fois la quantité du titre individuel des filaments fantaisies retordus.
  22. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'on peut obtenir la torchette de la mêche pour le filament fixe amené à la filière à texturer directement avant son adduction à la filière à texturer par l'étirage d'une matière filable partiellement orientée et par un traitement thermique immédiatement suivant et essentiellement sans retrait et que, en tant que torchette de la mêche pour le fil fantaisie retordu, on utilise un fil multifilament textile ou un fil multifilament à haute résistance.
  23. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'on peut obtenir les torchettes de la mêche amenées à la filière à texturer directement avant son adduction à la filière à texturer par l'étirage d'une matière filable partiellement orientée et par un traitement thermique immédiatement suivant et essentiellement sans retrait
  24. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que les conditions d'étirage pour les filaments fixes et les filaments fantaisies retordus sont essentiellement de la même manière.
  25. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'étirage se passe à une température de 70 à 90°C sous une tension d'étirage de 10 à 30 cN/tex, en référence du titre étiré.
  26. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que le traitement thermique immédiatement suivant à l'étirage et essentiellement sans retrait se passe à une tension du fil de 2 à 20 cN/tex et à une température de 180 à 250°C.
  27. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'étape de fixation d) comporte les mesures suivantes:
    i) préchauffer un gaz caloporteur à une température suffisant pour être au-dessus de la température désirée du fil, et
    ii) amener le gaz caloporteur préchauffé à un conduit de fil de façon que ledit gaz tombe essentiellement à angle droit sur le fil courant dans ledit conduit le long d'une telle longueur, que le gaz s'échauffe dans le dispositif d'échauffage à la température élevée désirée, et où l'on a choisi la longueur de la zone de souffle de manière que, par l'arrachement perpétuel de la couche limite au moyen de l'afflux du gaz caloporteur, le fil entre directement en contact avec ledit gaz caloporteur, ainsi effectuant un échaffement très rapide du fil.
  28. Procédé d'après la revendication 27, caractérisérisé en ce que, dans le dispositif d'échauffement, le gaz caloporteur est appliqué sur ledit fil essentiellement le long du parcours total dudit fil.
  29. Procédé d'après la revendication 27, caractérisérisé en ce que le gaz caloporteur tombe sur le fil parcourant dans une direction radiale de l'extérieur dans l'intérieur.
  30. Procédé d'après la revendication 27, caractérisérisé en ce que, dans le secteur central du conduit du fil, le long d'environ ¼ à ½ de la longueur dudit conduit, le gaz caloporteur est soufflé sur le fil à angle droit à partir de petites ouvertures et s'échappe du conduit du fil ou conformément ou inversement au sens du fil.
  31. Procédé d'après la revendication 27, caractérisérisé en ce que, en asservissant la puissance calorifique près du fil au moyen d'un ou plusieurs détecteurs dans un circuit de réglage, la puissance calorifique est asservie au moyen de contrôle individuel ou de groupe de façon, qu'une température prédéterminée règne au fil.
  32. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que l'enlèvement du fil bouclé à deux composants primaire est effectué après le processus d'ammêlement sous une tension de 0,05 à 0,4 cN/dtex.
  33. Procédé pour la production d'un fil bouclé à deux composants d'après la revendication 15, caractérisé en ce que la fixation est effectuée à une température de 200 à 320°C.
  34. Utilisation des fils bouclés à deux composants d'après une ou plusieures des revendications 1 à 14, ou produits d'après un procédé d'après une ou plusieures des revendications 15 à 33 en tant que fils coudres ou fils de broderie.
EP93113342A 1992-08-26 1993-08-20 Fil à deux composants bouclé de titre fin et à haute résistance, procédé de sa production et l'utilisation comme fil à coudre et fil à broder Expired - Lifetime EP0586951B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4228443 1992-08-26
DE4228443 1992-08-26

Publications (2)

Publication Number Publication Date
EP0586951A1 EP0586951A1 (fr) 1994-03-16
EP0586951B1 true EP0586951B1 (fr) 1999-10-06

Family

ID=6466518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113342A Expired - Lifetime EP0586951B1 (fr) 1992-08-26 1993-08-20 Fil à deux composants bouclé de titre fin et à haute résistance, procédé de sa production et l'utilisation comme fil à coudre et fil à broder

Country Status (5)

Country Link
US (1) US5344710A (fr)
EP (1) EP0586951B1 (fr)
JP (1) JPH06166924A (fr)
DE (1) DE59309821D1 (fr)
SG (1) SG66276A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0591827B1 (fr) * 1992-10-03 1999-08-25 Hoechst Aktiengesellschaft Fil guipé avec une âme de matière polyester à haute ténacité et procédé pour sa fabrication
EP0664352B1 (fr) * 1994-01-20 1999-03-17 Hoechst Aktiengesellschaft Fil bouclé à deux composants, procédé pour sa fabrication et son utilisation comme fil à coudre ou à broder
DE19613965A1 (de) * 1996-04-09 1997-10-16 Hoechst Trevira Gmbh & Co Kg Schrumpfarme Hybridgarne, Verfahren zu deren Herstellung und deren Verwendung
AR010847A1 (es) * 1997-01-20 2000-07-12 Rhone Poulenc Filtec Ag TEJIDO TÉCNICO EN PARTICULAR, PARA BOLSAS DE AIRE, Y METODO PARA LA FABRICACIoN DEL HILO DE FILAMENTO PARA EL TEJIDO.
EP0921219B1 (fr) * 1997-12-05 2002-10-02 Basf Corporation Fil d'autofixage
DE10105199C1 (de) * 2001-02-06 2002-06-20 Saint Gobain Vorspannbares Low-E-Schichtsystem für Fensterscheiben sowie mit dem Low-E-Schichtsystem beschichtete transparente Scheibe
EP2407353B1 (fr) * 2010-07-16 2013-03-27 Autoliv Development AB Dispositif de sécurité de véhicule à moteur
CN102330234A (zh) * 2011-05-25 2012-01-25 高莉萍 一种涤纶特种纱
CN109097882B (zh) * 2018-10-08 2021-02-12 安徽翰联色纺股份有限公司 一种高弹复合纱的生产方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216187A (en) * 1962-01-02 1965-11-09 Du Pont High strength polyethylene terephthalate yarn
US4656825A (en) * 1981-08-14 1987-04-14 Toray Industries, Inc. Sewing thread and method for manufacturing the same
US4523426A (en) * 1981-11-20 1985-06-18 Collins & Aikman Corp. High temperature resistant sewing thread and method of making
US4437301A (en) * 1982-03-25 1984-03-20 Milliken Research Corporation Method of making yarn
US4615167A (en) * 1985-01-04 1986-10-07 Greenberg Neville G Highly entangled thread development
US5146738A (en) * 1987-05-15 1992-09-15 Amann Und Sohne Gmbh & Co. Thread having looped effect yarn intermingled with multi-filament core yarn
DE3720237A1 (de) * 1987-06-15 1989-01-05 Amann & Soehne Verfahren zum herstellen von luftblastexturiertem naehgarn
DE3818606A1 (de) * 1988-06-01 1989-12-14 Barmag Barmer Maschf Verfahren zum herstellen eines multifilen, anorganischen fadens
DE3831700A1 (de) * 1988-09-17 1990-03-22 Amann & Soehne Verfahren zur herstellung eines garnes, insbesondere eines naehgarnes, sowie ein garn
DE3834139A1 (de) * 1988-10-07 1990-04-19 Hoechst Ag Zweikomponenten-schlingennaehgarn und verfahren zu seiner herstellung
DE4121638C2 (de) * 1990-08-17 1993-11-04 Amann & Soehne Garn, insbesondere naehgarn, sowie verfahren zur herstellung eines derartigen garnes

Also Published As

Publication number Publication date
SG66276A1 (en) 1999-07-20
JPH06166924A (ja) 1994-06-14
US5344710A (en) 1994-09-06
DE59309821D1 (de) 1999-11-11
EP0586951A1 (fr) 1994-03-16

Similar Documents

Publication Publication Date Title
EP0363798B1 (fr) Fil à coudre constitué de deux composants entremêlés et son procédé de fabrication
DE3720237C2 (fr)
DE3617248C2 (de) Verfahren zum Herstellen eines Kompositfadens aus Chemiefasern
EP0579082B1 (fr) Méthode pour le traitement thermique de fils en mouvement et dispositif pour effectuer ce traitement
EP0586951B1 (fr) Fil à deux composants bouclé de titre fin et à haute résistance, procédé de sa production et l'utilisation comme fil à coudre et fil à broder
EP1103641A1 (fr) Procédé pour la fausse torsion d'un fil synthétique pour produire un fil frisé
DE4401513A1 (de) Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne
EP0224306B1 (fr) Procédé et dispositif pour le filage et l'étirage en continu de fibres de polyester
EP0664352B1 (fr) Fil bouclé à deux composants, procédé pour sa fabrication et son utilisation comme fil à coudre ou à broder
DE4430633A1 (de) Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne
EP0843749B1 (fr) Procede et dispositif pour la production de fils de polyester
EP1723273B1 (fr) Procédé de fabrication de monofilaments texturés ayant une fausse torsion
DE2539272A1 (de) Texturierter hochbausch-hybridfaden und verfahren zu seiner herstellung
DE3508955C2 (de) Verfahren zum Schnellspinnstrecken synthetischer Garne
EP0569891A1 (fr) Fil et procédé pour la production d'un fil
EP0846197A1 (fr) Procede de fabrication d'un fil continu en polyamide 66 a haute resistance et a retrait eleve
DE3715971C2 (fr)
EP0099047B1 (fr) Procédé pour l'étirage et la texturation de fils en continu
DE2514874B2 (de) Verfahren zum Schnellspinnen von Polyamiden
WO1994001603A1 (fr) Fil continu fibrillaire profile et son procede de fabrication
DE4401512A1 (de) Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne
EP0099046B1 (fr) Procédé de fabrication d'un fil mixte texturé
DE4004721C2 (de) Verfahren zur Herstellung eines lufttexturierten Fadens
DE3813898A1 (de) Verfahren zum herstellen von luftblastexturiertem naehgarn
DE2335946C3 (de) Verfahren zur Herstellung von Kräuselfäden

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: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL

17P Request for examination filed

Effective date: 19940122

17Q First examination report despatched

Effective date: 19960102

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

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

RBV Designated contracting states (corrected)

Designated state(s): DE

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): DE

REF Corresponds to:

Ref document number: 59309821

Country of ref document: DE

Date of ref document: 19991111

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20030831

Year of fee payment: 11

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: 20050301