EP0134940B1 - Composition liquide, procédé et appareil pour l'encollage de fils - Google Patents

Composition liquide, procédé et appareil pour l'encollage de fils Download PDF

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Publication number
EP0134940B1
EP0134940B1 EP84107479A EP84107479A EP0134940B1 EP 0134940 B1 EP0134940 B1 EP 0134940B1 EP 84107479 A EP84107479 A EP 84107479A EP 84107479 A EP84107479 A EP 84107479A EP 0134940 B1 EP0134940 B1 EP 0134940B1
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EP
European Patent Office
Prior art keywords
yarn
binding agent
agent
liquid
sizing
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
EP84107479A
Other languages
German (de)
English (en)
Other versions
EP0134940A3 (en
EP0134940A2 (fr
Inventor
Peter Dr.-Ing. Ehrler
Joseph Ing. Mavely (Grad.)
Günter Stauch
Ernst-Ludwig Dr. Dipl.-Chem. Gminder
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.)
Albon-Chemie Dr Ludwig-E Gminder
Original Assignee
Albon-Chemie Dr Ludwig-E Gminder
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 Albon-Chemie Dr Ludwig-E Gminder filed Critical Albon-Chemie Dr Ludwig-E Gminder
Priority to AT84107479T priority Critical patent/ATE73183T1/de
Publication of EP0134940A2 publication Critical patent/EP0134940A2/fr
Publication of EP0134940A3 publication Critical patent/EP0134940A3/de
Application granted granted Critical
Publication of EP0134940B1 publication Critical patent/EP0134940B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions

Definitions

  • the invention relates to a yarn smoothing liquid with a binder used for smoothing as the first component, which is a polymer dispersed in water.
  • yarn in the sense of the invention is understood to mean any thread-like material that is textile, i.e., e.g. Staple fiber yarns, smooth, intermingled and textured filament yarns, made from fiber materials in accordance with DIN 60001, which also include glass, asbestos and ribbon yarns.
  • the sizing liquid is e.g. B. applied to the yarn when passing through the yarn through a trough filled with sizing liquid.
  • the yarn provided with sizing liquid passes through a pair of squeeze rollers or the like, through which the excess sizing liquid is squeezed off and through which sizing liquid is also squeezed into the interior of the yarn.
  • the yarn then goes into a dryer where it is dried using heat and a fan. Only after the yarn has dried is it wound up so that the wound turns of a warp beam, a bobbin or the like do not stick to one another.
  • the energy expenditure during drying is considerable, especially if the sizing agent has a high proportion of water or solvent, which has to be removed quickly.
  • the polymer is a polyvinyl acetate and in its aqueous solution or dispersion a mineral oil is emulsified together with other substances. As a result of this emulsion, the oil acts as a smoothing agent that reduces sliding friction.
  • the mineral oil is not described as a phase separating agent.
  • the invention is based on the one hand the object to improve a liquid for yarn smoothing of the type mentioned in such a way that the aforementioned disadvantages are no longer present, but that high thread speeds with low hairiness of the smoothed yarn can be achieved in a simple manner.
  • the binder as a polymer which is dispersed in water or dissolved in an organic solvent, has a viscosity of at least 500 mPa xs and an active substance content of at least 10% in the ready-to-use state, and that, as a further component, a release agent which phase-separates the binder is available.
  • a release agent is present which is incompatible with the binder, so that a phase separation takes place, for example, after 0.25 to 24 hours.
  • This phase separation means that yarn threads lying against one another or wound up cannot stick to one another.
  • the binder contains a surfactant.
  • a surfactant is a surfactant.
  • the surfactant present in the smoothing liquid causes a uniform wetting of the thread and at the same time controls the time after which the binder / release agent dispersion or solution separates and also ensures that the binder is on the thread and the release agent on the outside of the binder layer.
  • Wetting, emulsifying or dispersing agents are preferably used as the surfactant, e.g. Sulfuric acid esters, amine salts, betaines.
  • the coatable binder component has a film-forming property with a high adhesive strength at a layer thickness of 0.1 mm.
  • the high cohesion present accordingly means that small amounts of liquid are sufficient to achieve the desired smoothing effect if it is ensured at the same time by the applied application process that the binder is essentially only deposited in the outer layer of the thread.
  • the viscosity of the binder which can be applied is preferably 1500 to 2000 mPa.s. In this sense, the active substance content of the applicable binder is 15% to 30%.
  • the proportion of release agent is so large that the release agent migrates to the film surface when the yarn dries or during binder film formation, so that sticking of yarn turns is avoided.
  • the density of the release agent when applied to the yarn is less than the density of the dispersant dispersing the binder.
  • the HLB number of the releasable release agent is at least 1 greater than that of the binder dispersion.
  • binders polyacrylates; Polyvinyl compounds based on acetates, alcohols and copolymers; Polyethylene and mixtures of these agents with each other.
  • release agents come e.g. in question: mineral oil, fatty acid esters, silicones, paraffin dispersions, ethylene oxide / propylene oxide products.
  • the separating agent has thread / thread and thread / metal friction recursive properties, so that high thread speeds can also be used in this respect, for example at least 50 m / min, but preferably at 200 to 500 m / min.
  • the invention relates to a method for smoothing yarn, which is guided and wound as a running single thread or running thread sheet through a device that applies the smoothing liquid.
  • the known methods of this type have the disadvantages mentioned at the outset.
  • a prescribed liquid has room temperature or almost room temperature when applied and the treated thread is wound at a speed of at least 50 m / min without thermal drying. It is therefore neither necessary to heat the liquid, nor to use heat or energy to dry the yarn.
  • the distance between the device and a winding device can be small. The device or smoothing therefore takes up little space.
  • the smoothing can also be carried out when drawing or warping, so that a special operation is saved, namely smoothing associated with separate wrapping.
  • the smoothing liquid is applied and thus also wound up in a preferred speed range from 100 m / min to 800 m / min.
  • the required amount of the smoothing liquid or its binder and release agent component is applied in one or more stages, and in the case of multi-stage application the smoothing liquid is applied as a finished component mixture or in the order of binder component with surfactant and release agent component, wet on wet. If the release agent component of the smoothing liquid is applied wet in wet after the binder has been applied, the film formation rate or drying can be accelerated, since the release agent is already on the outside of the binder due to the subsequent application and a time-demanding phase separation can be avoided in whole or in part.
  • the invention relates to a device for carrying out the above-described methods.
  • a transfer roller for supplying an application roller is provided in a bath containing the agent to be applied, and it has a spreading device arranged downstream in the thread running direction.
  • the design of the application device with rollers is particularly suitable, since conventional components can be used here which allow precise metering even of small application quantities.
  • the dipping rollers 10 or an application roller 14 themselves form the spreading device, so that only the troughs I, II are required for yarn smoothing. 1, with a film 13 conveying liquid from the bath 11 onto the thread sheet 12, the application roller 14 in the trough II is supplied with a film 13 'by a transfer roller 15 which is comparatively thin.
  • the trough I need not be used only in connection with an immersion roller.
  • the trough I or only the trough I can also be equipped as the trough II in FIG. 2, namely as a godet with a transfer roller.
  • Fig. 3 shows a trough I with a bath 11, which consists of a binder, optionally a surfactant and a release agent.
  • the application takes place with an immersion roller 10, which works together with a stripper 16 in order to keep the film 13 consisting of smoothing liquid thin for the thread sheet 12.
  • Downstream of the thread running direction F is a spreading device 17, consisting of a rotary driven roller which interacts with a cleaning roller 18.
  • the cleaning roller 18, like the roller of the spreading device 17, is a brush roller.
  • preferably smooth or groove-free contact surfaces for the thread sheet 12 Groove-free contact surfaces are preferably available on all dipping or application rollers in order to reduce thread closure.
  • Yarn hairiness can be decisively reduced with the means described above, namely by at least 50%, measured with a Shirley hairiness analyzer, with a test length of 4 mm.
  • the maximum tensile strength of the yarn does not change due to the smoothing.
  • the yarn smoothed with the above-described agents dries in the wound state and does not stick together.
  • the yarn threads do not stick together, so that after they have been wound up at speeds of 0.5 m / min to 1500 m / min, they can be pulled off tangentially or overhead again without problems.
  • the agents applied to the yarn are easily soluble, in particular water-soluble, and can therefore be washed out of the finished fabric in the usual way.
  • Deposited excess smoothing liquid forms a soft, non-sticky film on metal surfaces due to the release agent component, which is easy to remove from the warping system or from the weaving machine.
  • Smoothing is in particular a warp-proof treatment of yarns, which can be used as an alternative to the sizing of fiber or filament yarns or intermingled smooth or textured filament yarns. Passing through a liquid-filled trough can be avoided. As a result, there is no excess liquid application to or into the yarn and no squeezing device is required to remove excess application.
  • a comb 19 is present vertically to the thread running direction F and engages between the threads 12, only one of which is shown. The comb 19 thus keeps the threads 12 at a distance from one another. Parallel to the comb 19 there is a doctor rod 20 on the inlet side and a rod 21 on the outlet side.
  • the non-rotatably or rotatably mounted rods 20, 21 are parallel to the comb 19.
  • the thread family runs under the inlet rod 20 into the comb 19, but over the outlet rod 21, so that a combing effect on all sides by the comb 19 and the coating rods 20, 21 is exercised on each individual thread 12.
  • the device can also serve to guide the thread, which is also the case in particular if the family of threads enters the comb at any angle deviating from 90 ° to the comb axis.
  • polyester filament threads of dtex 50 f 18 are used, for example, and are treated according to the following with the following:

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (12)

  1. Liquide de lissage de fil contenant, comme premier composant, un liant servant au lissage, caractérisé en ce que le liant est un polymère dispersé dans de l'eau ou dissous dans un agent de solution organique et présente, à l'état apte à être appliqué, une viscosité d'au moins 500 mPa x s et une part de substance active d'au moins 10 %, et en ce qu'il est prévu, comme second composant, un agent séparateur de phases par rapport au liant.
  2. Liquide selon la revendication 1, caractérisé en ce que le liant contient un agent tensio-actif.
  3. Liquide selon la revendication 1 ou 2, caractérisé en ce que son composant de liant apte à être appliqué présente, pour une épaisseur de couche de 0,1 mm, une propriété filmogène moyennant un pouvoir adhésif élevé.
  4. Liquide selon l'une des revendications 1 à 3, caractérisé en ce que la viscosité du liant apte à être appliqué est de préférence de 1500 à 2000 mPa x s.
  5. Liquide selon l'une des revendications 1 à 4, caractérisé en ce que la part de substance active du liant apte à être appliqué est de 15 % à 30 %.
  6. Liquide selon l'une des revendications 1 à 5, caractérisé en ce que la densité de l'agent séparateur apte à être appliqué est inférieure à la densité de l'agent de dispersion causant la dispersion du liant.
  7. Liquide selon l'une des revendications 1 à 6, caractérisé en ce que le coefficient HLB de l'agent séparateur apte à être appliqué est supérieur d'au moins 1 à celui de la dispersion de liant.
  8. Liquide selon l'une des revendications 1 à 7, caractérisé en ce que l'agent séparateur présente une propriété de réduction de la friction fil/fil et fil/métal.
  9. Liquide selon l'une des revendications 1 à 8, caractérisé en ce qu'il est prévu, comme liant, 8 à 10 % de poly(alcool polyvinylique) et 8 à 12 % d'oxyde de polyéthylène saponifié ; comme agent séparateur, 3 à 4 % de diol et 4 à 6 % d'huile minérale et, éventuellement, comme agent tensio-actif, 5 à 8 % d'alcool oxyéthylé et d'alkylphénol oxyéthylé ainsi que, pour le reste, 100 % d'eau.
  10. Procédé de lissage du fil qui est guidé, sous la forme d'un fil individuel continu ou d'une nappe de fils continue, à travers un dispositif appliquant un liquide de lissage, et enroulé, caractérisé en ce qu'un liquide selon l'une des revendications 1 à 9 est à la température ambiante ou presque, lors de l'application, et en ce que le fil traité est enroulé sans séchage thermique à une vitesse d'au moins 50 m/min.
  11. Procédé selon la revendication 10, caractérisé en ce que l'application de la quantité de liquide de lissage nécessaire ou de son composant de liant et d'agent séparateur se fait en une ou plusieurs étapes, et en ce que, dans le cas d'une application en plusieurs étapes, le liquide de lissage est appliqué, humide sur humide, sous la forme d'un mélange de composants fini ou suivant la succession composant de liant avec agent tensio-actif et composant d'agent séparateur.
  12. Dispositif pour mettre en oeuvre les procédés selon la revendication 10 ou 11, caractérisé en ce que, pour l'application du liquide de lissage et/ou de son composant d'agent séparateur, il est prévu un rouleau de transfert (15) tournant dans un bain (11) définissant l'agent à appliquer, en vue d'alimenter un rouleau d'application (14), et en ce que ledit dispositif possède un dispositif de répartition (I/S, II/S) disposé en aval, dans le sens d'avance (F) du fil.
EP84107479A 1983-07-01 1984-06-28 Composition liquide, procédé et appareil pour l'encollage de fils Expired - Lifetime EP0134940B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107479T ATE73183T1 (de) 1983-07-01 1984-06-28 Fluessigkeit, verfahren und vorrichtung zum garnglaetten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3323743 1983-07-01
DE19833323743 DE3323743A1 (de) 1983-07-01 1983-07-01 Fluessigkeit, verfahren und vorrichtung zum garnglaetten

Publications (3)

Publication Number Publication Date
EP0134940A2 EP0134940A2 (fr) 1985-03-27
EP0134940A3 EP0134940A3 (en) 1988-03-30
EP0134940B1 true EP0134940B1 (fr) 1992-03-04

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EP84107479A Expired - Lifetime EP0134940B1 (fr) 1983-07-01 1984-06-28 Composition liquide, procédé et appareil pour l'encollage de fils

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EP (1) EP0134940B1 (fr)
AT (1) ATE73183T1 (fr)
DE (2) DE3323743A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539391C2 (de) * 1984-12-19 1996-05-09 Sucker & Franz Mueller Gmbh Verfahren zum Schlichten einer Kettfadenschar

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL156579B (nl) * 1949-10-13 Storck August Gmbh Inrichting voor het gieten van bonbons uit een aantal verschillende massa's.
GB1197180A (en) * 1966-11-24 1970-07-01 Courtaulds Ltd Application of Liquid to Filaments
US3689469A (en) * 1969-07-15 1972-09-05 Du Pont Copolymers of vinyl alcohol and methyl methacrylate and uses therefor
US3977979A (en) * 1973-09-14 1976-08-31 George A. Goulston Company, Inc. Yarn finish formulations
DE2537323A1 (de) * 1975-08-21 1977-03-03 Bayer Ag Galetten-einweg-praeparierung
DE2733493C2 (de) * 1976-05-17 1986-11-13 Henkel KGaA, 4000 Düsseldorf Glättemittel für Textilfasermaterial
DE2621881C2 (de) * 1976-05-17 1985-10-31 Henkel KGaA, 4000 Düsseldorf Glättemittel für Textilfasermaterial
DE2927241C2 (de) * 1979-07-05 1983-04-21 Ukrainskij naučno-issledovatel'skij institut mechanizacii i elektrifikacii sel'skogo chozjajstva, Glevacha, Kievskaja oblast' Mechanischer Rüttler mit Richtwirkung
DE3123088A1 (de) * 1981-06-11 1983-01-05 Schoeller Textil GmbH & Co. KG, 5162 Niederzier Verfahren und vorrichtung zum glaetten und verfestigen von auf einer rotorspinnmaschine gesponnenen faeden

Also Published As

Publication number Publication date
EP0134940A3 (en) 1988-03-30
DE3485529D1 (de) 1992-04-09
DE3323743A1 (de) 1985-01-03
EP0134940A2 (fr) 1985-03-27
ATE73183T1 (de) 1992-03-15

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