EP0664352B1 - Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne - Google Patents
Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne Download PDFInfo
- Publication number
- EP0664352B1 EP0664352B1 EP95100371A EP95100371A EP0664352B1 EP 0664352 B1 EP0664352 B1 EP 0664352B1 EP 95100371 A EP95100371 A EP 95100371A EP 95100371 A EP95100371 A EP 95100371A EP 0664352 B1 EP0664352 B1 EP 0664352B1
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- EP
- European Patent Office
- Prior art keywords
- yarn
- filaments
- effect
- core
- 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
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Classifications
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- 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
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- 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
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
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- 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
- Y10T428/2973—Particular cross section
- Y10T428/2976—Longitudinally varying
Definitions
- the present invention relates to new two-component loop yarns adapted processes for their manufacture and the use of these yarns as sewing and embroidery threads.
- Loop yarns that can be used in particular as sewing threads, e.g. in the EP-A-295,601, EP-A-367,938 and EP-A-363,798.
- the FOY effect component to be used according to the invention is defined by the following combination of features: maximum tensile strength elongation 35 to 60%, birefringence from 100 * 10 -3 to 150 * 10 -3 , and thermal shrinkage at 200 ° C from 6 to 14%.
- the maximum tensile force elongation is measured in accordance with DIN 53843, Part 1; the The birefringence is measured using the method described in Melliand Textilberichten, 1972, pp. 727-731; and measuring the Thermal shrinking is carried out according to DIN 53866, part 3.
- the two-component loop yarns according to the invention through a particularly good sewing behavior and good seam formation distinguish what is due to a soft handle of the sewn together textile Surface images is expressed; this is especially true if the Two-component loop yarns according to the invention have a relatively high proportion have effect filaments.
- the invention therefore preferably relates to the two-component loop yarns defined above with a proportion of effect filaments of at least 25% by weight, preferably 30 to 50% by weight, based on the Two-component loop yarn.
- Stand and effect filaments generally differ in terms of their Single titer. This can be 0.5 to 8 dtex for the upright filaments. For the Effect filaments can be 0.2 to 1.5 dtex.
- These embodiments of the Yarns according to the invention, especially those with fine stand and Effect filaments are characterized by particularly good sewing behavior and good seam formation.
- the single filament titer of the effect filaments is preferably 0.2 to 1.5 dtex, particularly preferably 0.4 to 1.5 dtex.
- the single filament titer of the upright filaments is preferably less than or equal to 2 dtex, particularly preferably 0.5 to 2 dtex, and in particular 1 to 2 dtex.
- Two-component loop yarns with a final titer of are preferred 100 to 900 dtex.
- the two-component loop yarn according to the invention settles from standing and effect filaments together.
- the upright filaments are on average much more in the direction of the fiber axis aligned as the effect filaments that swirl with the upright filaments and are entangled, but additionally due to their greater length from the Form fiber loops protruding and thus the textile Properties and usage properties, such as sewing behavior, des co-determine yarns according to the invention substantially.
- the total titers of standing and effect filaments of the invention Loop yarns are usually in a ratio of 40:60 to 75:25, preferably 55:45 to 70:30.
- Two-component loop yarn made of any high-strength filaments use synthetic polymers.
- the strength of the upright component in the Two-component loop yarn is usually more than 30 cN / tex, such as e.g. 30 to 80 cN / tex.
- Stand-up filaments with a strength are preferred from about 40 to about 75 cN / tex.
- the loop yarn according to the invention preferably has one Thermal shrinkage at 200 ° C of less than 8%, especially less than 6%.
- Two-component loop yarns are very particularly preferred Final strength of more than 40 cN / tex and thermal shrinkage at 200 ° C of less than 6%.
- the upright component and part of the effect component can Two-component loop yarns according to the invention made of all synthetic spinnable polymers and polycondensation products, e.g. Polyamides such as nylon types or aramids; Polyacrylonitrile; Polyolefins, such as Polyethylene or polypropylene; Polyether ketones, such as PEK or PEEK; Polyarylene sulfides such as poly-para-phenylene sulfide; and polyesters like Polyethylene terephthalate.
- Polyamides such as nylon types or aramids
- Polyacrylonitrile Polyolefins, such as Polyethylene or polypropylene
- Polyether ketones such as PEK or PEEK
- Polyarylene sulfides such as poly-para-phenylene sulfide
- polyesters like Polyethylene terephthalate.
- polyester as the starting material is particularly preferred yarns according to the invention; especially as the starting material for both 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, in particular 2 to 4, carbon atoms, such as. Ethylene glycol, 1,3-propanediol or 1,4-butanediol by cocondensation be preserved. Hydroxycarboxylic acids, such as e.g. p- (2-Hydroxyethyl) benzoic acid as starting materials for polyester.
- aromatic dicarboxylic acids e.g. 1,4-, 1,5- or 2,6-naphthalenedicarboxylic acid
- isophthalic acid or in particular terephthalic acid aliphatic diols with 2 to 6, in particular 2 to 4, carbon atoms, such as. Ethylene glycol, 1,3-propanediol or 1,
- the above polyester raw materials can also by Condensing small amounts of aliphatic dicarboxylic acids, e.g. Glutaric acid, adipic acid or sebacic acid or of polyglycols such as e.g. Diethylene glycol (2,2'-dihydroxydiethyl ether), triethylene glycol (1,2-di- (2-hydroxy-ethoxy) ethane) or of smaller proportions of higher molecular weight Polyethylene glycols are modified.
- aliphatic dicarboxylic acids e.g. Glutaric acid, adipic acid or sebacic acid
- polyglycols such as e.g. Diethylene glycol (2,2'-dihydroxydiethyl ether), triethylene glycol (1,2-di- (2-hydroxy-ethoxy) ethane) or of smaller proportions of higher molecular weight Polyethylene glycols are modified.
- Another possibility of modification, in particular on the coloring Behavior of the two-component loop yarns according to the invention is the modification by sulfo-containing building blocks, such as by the incorporation of sulfoisophthalic acid.
- loop yarns according to the invention flame retardant polyester materials, preferably made of phospholane modified polyethylene terephthalate. Examples of such modified polyesters are listed in DE-C-2,346,787.
- the upper limit of the final strength of the loop yarns according to the invention depends also on 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 solution viscosity. A high degree of condensation, i.e. a high solution viscosity leads to particularly high final strengths.
- high-molecular polyester with an intrinsic viscosity is used (measured in solutions in dichloroacetic acid at 25 ° C) of larger is equal to 0.65 dl / g, in particular from 0.70 to 0.85 dl / g. This applies at least to the upright component; can also be used for stand and effect components be valid.
- Loop yarn is polyethylene terephthalate. These include copolyesters containing to understand 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 by air that may be humidified or to a previously humidified one Roving.
- 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 percent, based on the take-off speed.
- they are now joined together mixing strands of yarn, which in the finished yarn then the stand or the Effect filaments deliver with different lead of the texturing nozzle fed.
- the roving strand from which the upright filaments of the yarn according to the invention emerge, the blow nozzle is usually with a lead of 3 to 10%
- the roving strand from which the effect filaments of the yarn according to the invention emerge usually with an advance fed from 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.
- Yarns in the sense of this description are yarns that are in front the inlet into the swirling nozzle and to build up the Loop yarns can be used as stand and effect components.
- rovings for the production of the two-component loop yarns according to the invention are preferably high-strength as an upright component Multifilament yarns used, while at least as an effect component Become part of FOY multifilament yarns.
- Suitable materials for the manufacture of the upright component any multifilament yarns that are either already as high tenacity Multifilament yarns are presented to the texturing device or the stretched immediately before entering the texturing nozzle.
- Starting material for the production of high-strength multifilament yarns can be for example low-oriented (LOY), partially-oriented (POY) or highly-oriented Use (HOY) polyester yarns.
- the starting materials can the required high strength through appropriate stretching preserved (see Treptow in chemical fibers / textile industry 6/1985, p.411 ff).
- Preferred polyester for the production of these high tenacity multifilament yarns have in particular intrinsic viscosities (measured as indicated above) in Range from 0.60 to 0.70 dl / g or - in the case of particularly high molecular types for the production of the roving roving, - in the range from 0.70 to 0.85 dl / g.
- Two-component loop yarns 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.
- roving rovings have a thermal shrinkage at 180 ° C. of at most 9%, usually 4 to 9%, preferably 5 to 8%.
- roving rovings have a maximum tensile strength elongation of at most 15%, usually from 8 to 15%, preferably from 8.5 to 12% on.
- effect rovings - as described above - FOY known per se Multifilament yarns used.
- Preferred polyester for making this high-strength multifilament yarns for the production of the effect rovings especially intrinsic viscosities (measured as indicated above) in the range from 0.60 to 0.70 dl / g.
- the method according to the invention can also be used Effect filaments of single filament denier made above 1.5 dtex become.
- fancy yarns are made from fancy filaments Single filament titers of less than or equal to 4.5 dtex.
- Such FOY multifilament yarns are preferably produced as in US Pat DE-A-2,117,659.
- the roving (s) to be used are produced for the upright component particularly preferably in an integrated, the Blow texturing immediately preceding process step in which the Roving for the upright component by stretching a partially oriented Spun and an immediately following, essentially shrink-free heat treatment is obtained.
- Essentially shrink-free means that the yarn is preferably on during the heat treatment is kept constant length, but that a shrinkage of up to 4%, in particular less than 2% can be approved.
- the tenacity of the loop yarns obtained was found to be about Is 5 to 20% higher if the roving is stretched for the Post component integrated. It is believed that the fresh drawn individual filaments are still mobile and are particularly good i.e. with little loss of strength, let swirl.
- the roving for the upright component made from partially oriented spun fabric stretched on a drafting system that is essentially shrink-free Subjected to heat treatment and immediately afterwards Blast texturing fed.
- the stretching of the partially oriented spun fabric takes place 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 (in each case based on the stretched Titer).
- 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.
- the trigger voltage is usually 0.05 to 1.0 cN / tex, preferably 0.15 to 0.4 cN / tex.
- the voltage should preferably be chosen so that the formed loops and loops are essentially preserved, that is do not contract or only to a small extent bud-like.
- the stabilized primary yarn is heated to the Fix yarn structure. It is useful to keep the yarn of constant length hot air treatment at air temperatures of 200 to 320 ° C, preferably subject to 240 to 300 ° C.
- the yarn is of a certain length blown with 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.
- the adhering air boundary layer which counteracts heat transfer due to its insulating effect on a longer yarn stretch blown away and the heated heat transfer gas can give off its 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 is transported by convective air movement and only a small 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 become; for example by contact with a heat exchanger, Pass through heated pipes or by direct heating over Heating coils.
- the temperature of the preheated heat transfer gas is above the yarn temperature required in individual cases; it is preferably heated Heat transfer gas to temperatures up to 20 ° C above and contributes to it Make sure that between the preheating and the actual heating of the Yarn no significant temperature drop occurs.
- the heated heat transfer gas can be anywhere in the Thread run channel are introduced. This is preferably done Heat transfer gas to the thread run channel in such a way that this can come into contact with the yarn along the entire thread run channel.
- 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 carried away and the heating device over the Leaves yarn outlet along with the running yarn, and on the other hand moves against the direction of yarn and the Leaves heating device through the yarn inlet opening.
- the heat transfer gas is in the middle part of the thread running channel on a length of about 1/4 to 1/2 of Channel length blown from small openings perpendicular to the yarn and escapes in and against the thread running direction from the thread running channel.
- a Cross-blowing with suction on the opposite side is a Cross-blowing with suction on the opposite side.
- a number of measures are available to the expert with the help of which these specifications can be set. For example possible, compared to the yarn mass, which is divided by the time unit Thread channel moves, relatively large masses of heat transfer gas per Let unit of time flow through the thread channel, so that despite the effective and rapid heat transfer to the yarn only a little Cooling of the heat transfer gas results. In contrast to the blowing at practically one point of the moving yarn, blowing results a particularly intensive interaction of the Heating gas with the yarn, since the boundary layer between the yarn and the surrounding Medium in this zone is constantly being torn away. That way it is possible, even with only a slight change in the temperature of the gas to achieve effective heating of the yarn.
- the control of the The temperature profile of the heat transfer gas can also be determined by Selection of the heat capacity of the gas or by the Control the flow rate of the gas in a manner known per se.
- the two-component loop yarns according to the invention have the advantages the known two-component loop yarns. So they stay Loops of the individual filaments full after leaving the blowing texturing nozzle maintain and provide good sewing properties due to the entrained air at high sewing speeds. This advantage is reflected in high values for the so-called sewing length to break, which according to that from DE-A-3,431,832 known methods can be determined. Furthermore, the invention Two-component loop yarns ensure an even dyeing along the Fadens, especially the variants, the filaments with fine single titer exhibit.
- Two-component loop yarn does not have to be twisted. It can be used 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: a creel for the bobbins of the stand and effect roving, one Drafting system with heatable inlet and outlet godets for the production of the Stand roving, the speed of which can be adjusted separately, one Blower nozzle, a take-off unit for the defined take-off of the blown yarn, if desired, a conventional hot air fixation as described above and one Take-up spool.
- Both rovings consisted of Polyethylene terephthalate with an intrinsic viscosity of 0.74 dl / g (roving for Upright component) or 0.63 dl / g (roving for effect component) (measured as defined above).
- the effect roving was passed directly over a pair of godets to the texturing nozzle, the inlet and outlet godets moving at practically the same speed turned.
- the starting material for the production of the roving was fed to a drafting unit and there in relation with the help of godets 1: 3.25 stretched.
- the temperatures of the inlet godets were 85 ° C and the outlet godet 232 ° C.
- the drawn yarn was heated around the Discharge godet of the drafting system.
- the single filament titer of the roving before running into the blow nozzle was 4.71 dtex for the main yarn and 0.57 dtex for fancy yarn.
- the blown yarn became like this behind the blow nozzle deducted that a tradition of 7% for the main yarn and 18% resulted for the fancy yarn.
- the loop yarn was pulled off mechanically stabilized, the tension in the yarn being 0.46 cN / tex.
- the yarn was then fixed by heating it to 260 ° C Convection oven was passed.
- the raw yarn thus obtained was wound up and then dyed.
- the raw yarn obtained could be dyed evenly.
- Example 2 The procedure was analogous to that in Example 1, with a partially oriented Spun goods with titer 256f48 as starting material for the production of the Stand roving and a bobbin with effect roving with titer 50f32 become. Both rovings were made of intrinsic viscosity polyethylene terephthalate 0.73 dl / g (roving for upright thread) or 0.63 dl / g (roving for Effect thread) (measured as defined above).
- the effect roving was passed directly over a pair of godets to the texturing nozzle, the inlet and outlet godets moving at practically the same speed (speed difference between the inlet and outlet godet is e.g. up to 5%).
- the starting material for the production of the roving was fed to a drafting unit and there with the help of godets in the Ratio 1: 2.20 stretched.
- the temperatures of the inlet godets were 85 ° C and the outlet godet 232 ° C.
- the drawn yarn became around that heated outlet godet of the drafting system.
- the single filament titer of Rovings before entering the blow nozzle were 2.42 dtex for the main yarn and 1.49 dtex for the fancy yarn.
- the blown yarn was behind the Blower nozzle deducted so that a tradition of 7% for the main yarn and of 17% for the fancy yarn resulted.
- the loop yarn was pulled off mechanically stabilized.
- the yarn was then fixed by passing it through a was heated to 260 ° C convection oven.
- the raw yarn thus obtained was wound up and then dyed.
- the raw yarn obtained could be dyed evenly.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
- Höchstzugkraftdehnung von 35 %
- Schrumpf bei 200°C von 10 %
Endtiter: | 249,4 dtex |
Endfestigkeit: | 48,2 cN/tex, |
Hitzeschrumpf bei 200°C: | 6,4 % |
Höchstzugkraftdehnung | 12,8 % |
- Höchstzugkraftdehnung von 43 %
- Schrumpf bei 200°C von 8,8 %
Endtiter | 183,6 dtex |
Endfestigkeit | 46,1 cN/tex |
Hitzeschrumpf bei 200°C | 4,0 % |
Höchstzugkraftdehnung | 15,4 %. |
Claims (21)
- Zweikomponenten-Schlingengarn aus Steher- und Effektfilamenten aus synthetischen Polymeren dadurch gekennzeichnet, daßi) zumindest ein Teil der Effektfilamente aus Polyester besteht,ii) dieser Teil der Effektfilamente eine Höchstzugkraftdehnung von 35 bis 70 % , vorzugsweise von 35 bis 60% aufweist,iii) dieser Teil der Effektfilamente eine Doppelbrechung von 100 * 100 bis 150 * 10-3, insbesondere von 125 * 10-3 bis 140 * 10-3 aufweist,iv) dieser Teil der Effektfilamente einen Thermoschrumpf bei 200°C von 3 bis 14 %, insbesondere von 5 bis 10 % aufweist undv) die Effektfilamente einen Einzelfilamenttiter von kleiner gleich 1,5 dtex aufweisen.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß der Anteil an Effektfilamenten mindestens 25 Gew. %, bezogen auf das Zweikomponenten-Schlingengarn, beträgt.
- Zweikomponenten-Schlingengarn nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Steherfilamente einen Einzelfilamenttiter von kleiner gleich 2 dtex aufweisen.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß dieses einen Endtiter von 100 bis 1000 dtex aufweist.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß dieses Steherfilamente mit einer Festigkeit von etwa 30 bis etwa 80 cN/tex enthält.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß dieses eine Endfestigkeit von mehr als 30 cN/tex, vorzugsweise von mehr als 40 cN/tex aufweist.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß dieses einen Thermoschrumpf bei 200°C von unter 8 % aufweist.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß die Steher- und Effektfilamente aus Polyethylenterephthalat bestehen
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß die Steherfilamente, vorzugsweise die Steher- und die Effektfilamente, aus Polyester bestehen, der eine Intrinsic-Viskosität (gemessen in Lösungen in Dichloressigsäure bei 25°C) von größer als 0,65 dl/g besitzt.
- Zweikomponenten-Schlingengarn nach Anspruch 1, dadurch gekennzeichnet, daß Steher- und Effektfilamente aus schwerentflammbaren Polyester, insbesondere aus phospholan-modifiziertem Polyethylenterephthalat bestehen.
- Zweikomponenten-Schlingengarn nach Anspruch 1 aus Steher - und Effektfilamenten aus synthetischen Polymeren, worin zumindest ein Teil der Effektfilamente aus Polyester besteht und erhältlich ist durch ein Verfahren das folgende Maßnahmen umfaßt:f) Schmelzspinnen von Multifilamenten in einer an sich üblichen Spinnvorrichtung, bei der sich zwischen Spinndüsen und Abzugsorgan ein Heizorgan befindet,g) Abkühlen der ersponnenen Multifilamente vor dem Heizorgan auf die Erstarrungstemperatur oder darunter, undh) anschließendes Erwärmen der Multifilamente auf Temperaturen oberhalb des Erstarrungspunktes unter gleichzeitiger Einwirkung der durch die Reibung am umgebenden gasförmigen Medium aufgebauten Fadenzugkraft, welche gleich der erforderlichen Streckspanung sein muß.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns aus Steher- und Effektfilamenten aus synthetischen Polymeren, dadurch gekennzeichnet, daß es die folgenden Maßnahmen umfaßt:a) Zuführen von zwei oder mehreren sich mit unterschiedlichen Geschwindigkeiten bewegenden Vorgarnsträngen aus synthetischen Polymeren zu einer Texturierdüse, wobei mindestens einer der Vorgarnstränge aus Einzelfilamenten besteht, die aus Polyester bestehen, deren Höchstzugkraftdehnung 35 bis 60 % beträgt, deren Doppelbrechung von 100 * 10-3 bis 150 * 10-3, insbesondere von 125 * 10-3 bis 140 * 10-3 beträgt, und deren Thermoschrumpf bei 200°C von 6 bis 14 %, insbesondere von 8 bis 10 % beträgt,b) Verwirbeln der Vorgarnstränge in der Texturierdüse unter Bedingungen, daß sich ein aus Steher- und Effektfäden bestehendes Garn ausbildet, wobei sich hauptsächlich aus Effektfäden gebildete Schlaufen auf der Oberfiäche dieses Garns ausbilden, undc) Abziehen dieses primären Zweikomponenten-Schlingengarns unter Spannung, so daß sich besagtes Primärgarn unter Verringerung der Schlaufengröße mechanisch stabilisiert,d) Erhitzen des stabilisierten Primärgarnes, um die Garnstruktur zu fixieren, und wobei vorzugsweisee) die Gesamttiter der Vorgarnstränge, die Differenz der Zuführgeschwindigkeiten der Vorgarnstränge, die Bedingungen beim Verwirbeln, beim mechanischen Stabilisieren und beim Fixieren so gewählt werden, daß ein Zweikomponenten-Schlingengarn entsteht, dessen Anteil an Effektfilamenten mindestens 25 Gew. % beträgt.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß als Vorgarnstrang für die Effektkomponente ein FOY-Garn zum Einsatz kommt, das durch Spinnen bei Abzugsgeschwindigkeiten von über 2000 m/min ersponnen wurde, wobei folgende Verfahrensschritte durchlaufen worden sind:f) Schmelzspinnen von Multifilamenten in einer an sich üblichen Spinnvorrichtung, bei der sich zwischen Spinndüsen und Abzugsorgan ein Heizorgan befindet,g) Abkühlen der ersponnenen Multifilamente vor dem Heizorgan auf die Erstarrungstemperatur oder darunter, undh) anschließendes Erwärmen der Multifilamente auf Temperaturen oberhalb des Erstarrungspunktes unter gleichzeitiger Einwirkung der durch die Reibung am umgebenden gasförmigen Medium aufgebauten Fadenzugkraft, welche gleich der erforderlichen Streckspanung sein muß.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß zwei sich mit unterschiedlichen Geschwindigkeiten bewegende Vorgarnstränge der Texturierdüse zugeführt werden.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß die Vorgarnstränge unterschiedliche Gesamt- und Einzelfilamenttiter aufweisen und daß das Vorgarn für das Steherfilament aus Filamenten bestehen, die eine Höchstzugkraft, bezogen auf den Endtiter, von mindestens 60 cN/tex, einen Thermoschrumpf bei 200°C von 4 bis 9 % und eine Höchstzugkraft-Dehnung von 8 bis 15 % aufweisen.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß der der Texturierdüse zugeführte Vorgarnstrang für den Steherfaden direkt vor dem Zuführen zur Texturierdüse durch Verstrecken einer teilorientierten Spinnware und eine unmittelbar sich anschließende, im wesentlichen schrumpffreie Wärmebehandlung erhältlich ist.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 15, dadurch gekennzeichnet, daß die Verstreckung des Vorgarnstranges für den Steherfaden bei 70 bis 100°C unter einer Verstreckspannung von 10 bis 30 cN/tex, bezogen auf den verstreckten Titer, erfolgt.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 16, dadurch gekennzeichnet, daß die unmittelbar an die Verstreckung anschließende, im wesentlichen schrumpffreie Wärmebehandlung bei einer Temperatur von 180 bis 250°C erfolgt.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß das Abziehen des primären Zweikomponenten-Schlingengarns nach dem Verwirbelungsvorgang unter einer Spannung von 0,05 bis 1,0 cN/tex erfolgt.
- Verfahren zur Herstellung eines Zweikomponenten-Schlingengarns nach Anspruch 12, dadurch gekennzeichnet, daß das Fixieren nach einem Verfahren durchgeführt wird, das folgende Maßnahmen umfaßt:j) Vorerwärmen eines Wärmeüberträgergases auf eine Temperatur, die oberhalb der gewünschten Garntemperatur liegt, undk) Zuführen des vorerwärmten Wärmeüberträgergases in einen Fadenkanal, so daß dieses im wesentlichen senkrecht auf das im Fadenkanal laufende Garn entlang einer solchen Länge einströmt, daß sich das Garn innerhalb der Erhitzungsvorrichtung auf die gewünschte erhöhte Temperatur erwärmt, und wobei die Länge der Anblaszone so gewählt wird, daß durch ständiges Wegreißen der Grenzschicht durch die Anströmung des Wärmeüberträgergases das Garn direkt mit diesem in Kontakt kommt und somit eine sehr rasche Aufheizung des Garnes erfolgt.
- Verwendung von Zweikomponenten-Schlingengarnen aus Steher- und Effektfilamenten nach Anspruch 1 als Nähgarne und/oder als Stickgarne.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4401514 | 1994-01-20 | ||
DE4401514 | 1994-01-20 | ||
DE19944430633 DE4430633A1 (de) | 1994-08-29 | 1994-08-29 | Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne |
DE4430633 | 1994-08-29 |
Publications (2)
Publication Number | Publication Date |
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EP0664352A1 EP0664352A1 (de) | 1995-07-26 |
EP0664352B1 true EP0664352B1 (de) | 1999-03-17 |
Family
ID=25933142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP95100371A Expired - Lifetime EP0664352B1 (de) | 1994-01-20 | 1995-01-12 | Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne |
Country Status (4)
Country | Link |
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US (1) | US5593777A (de) |
EP (1) | EP0664352B1 (de) |
BR (1) | BR9500268A (de) |
DE (1) | DE59505342D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19613965A1 (de) * | 1996-04-09 | 1997-10-16 | Hoechst Trevira Gmbh & Co Kg | Schrumpfarme Hybridgarne, Verfahren zu deren Herstellung und deren Verwendung |
DE19730977A1 (de) * | 1997-07-18 | 1999-01-21 | Guetermann Ag | Verfahren zur Herstellung lufttexturierter Nähfäden |
EP0921219B1 (de) | 1997-12-05 | 2002-10-02 | Basf Corporation | Selbstfixierender Faden |
CN1303266C (zh) * | 2003-05-08 | 2007-03-07 | 中国石化仪征化纤股份有限公司 | 缝纫线用高强低伸涤纶长丝的制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2117659A1 (de) * | 1971-04-10 | 1972-10-19 | Farbwerke Hoechst AG, vormals Meister Lucius & Brüning, 6000 Frankfurt | Verfahren zum Herstellen von Fäden und Fasern |
US4069657A (en) * | 1975-07-18 | 1978-01-24 | E. I. Du Pont De Nemours And Company | Yarn texturing process |
US4209559A (en) * | 1978-03-27 | 1980-06-24 | Teijin Limited | Linear crystalline terephthalate polyester yarn and textile goods made therefrom |
EP0352376B1 (de) * | 1987-01-26 | 1994-03-02 | Toray Industries, Inc. | Latent gekräuseltes Garn, aus diesem Garn hergestellte Stoffbahn und Verfahren zur Herstellung dieses Garnes |
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 |
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 |
JPH0586535A (ja) * | 1991-09-24 | 1993-04-06 | Unitika Ltd | ポリエステル嵩高加工糸の製造方法 |
EP0579082B1 (de) * | 1992-07-10 | 1998-08-26 | Hoechst Aktiengesellschaft | Verfahren zur Wärmebehandlung von sich bewegenden Garnen und Vorrichtung zur Durchführung dieser Behandlung |
DE59309821D1 (de) * | 1992-08-26 | 1999-11-11 | Hoechst Ag | Feintitrige Zweikomponenten-Schlingengarne hoher Festigkeit, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne |
-
1995
- 1995-01-12 EP EP95100371A patent/EP0664352B1/de not_active Expired - Lifetime
- 1995-01-12 DE DE59505342T patent/DE59505342D1/de not_active Expired - Fee Related
- 1995-01-19 BR BR9500268A patent/BR9500268A/pt not_active Application Discontinuation
- 1995-01-20 US US08/375,642 patent/US5593777A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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EP0664352A1 (de) | 1995-07-26 |
BR9500268A (pt) | 1995-10-17 |
US5593777A (en) | 1997-01-14 |
DE59505342D1 (de) | 1999-04-22 |
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