DE10200832A1 - Smooth yarn with a high brightening power for use in woven fabrics, especially floor coverings, contains high-gloss pigments such as metal-effect, pearly-lustre and-or interference pigments - Google Patents

Abstract

Smooth yarn with a high brightening power, suitable for use in woven textile fabrics, contains high-gloss pigments (I) selected from metal effect pigments, pearly lustre pigments and/or interference pigments. Independent claims are also included for the following: (1) smooth yarn obtained by (a) mixing additives as a spinneret color in a spinning melt to give a spinning fluid containing a concentrated plastic mixture containing (I), (b) forcing the fluid through spinning nozzles by a melt-spinning, wet-spinning and/or dry-spinning process to produce filaments, (c) cooling, (d) stretching to increase filament strength and (e) twisting the filaments to yarn; (2) textile floor covering with an enhanced optical effect and permanent brightness, comprising a base woven fabric (filling warp, weft and binder warp filaments) and a top cover with a fibre pile containing smooth yarn; and (3) a method for the production of floor covering by the pile wire technique using a top cover containing smooth yarn.

Description

The invention relates to a flat yarn with a high lightening capacity, which for use in textile fabrics, preferably in textile Floor coverings, is suitable and the use of the same in a textile floor covering, which are characterized by a reinforced textile fabric look.

In the prior art, yarns are known which are formed from textile fibers become. The textile fibers are too fine, too weak and in many cases too short as that you can use them directly as textile threads. That's why you add more or less many of them into a long, durable thread, which Yarn is called. Smooth yarns are, for example, staple fiber yarns, which by spinning, for example by twisting ordered, staple-length textile fibers or man-made fibers are made into a spun yarn.

The conventional yarns are used in fabrics, e.g. B. in textiles Floor coverings, used, which are colored regularly. To the color design of the to reinforce conventional fabrics, but yarns are desired, which a metal-like structure and the aesthetic effect of the color combinations of the Should have top of the fabric. Added to this is the state of the art known textile flooring, which consists of a base fabric, the composed of filling warp threads, weft threads and binding warp threads. additionally is a pile or pile on the top of the fabric, which through Pole chains, pile wefts and / or by a method of producing an egg Warp velvet can be provided from a double layer of fabric. The one Kettamt trained pile is for example by additional pile chains or also Called pile warp threads. These pile pile chains are over rods led away, arranged parallel to the end to form knobs or loops. At one end, a sharp knife can loop or Pile chains when pulling the rods out of the lower compartment into the upper compartment Cut open the formation of velor.

The textile fabric look of the textile floor covering is only through the color effect of the loops or velor as well as by special high-contrast color composition of the pile warp threads and possibly by the other threads forming the base fabric.

The object of the invention is to provide a textile floor covering To provide which the color design of the surface of the same clearly strengthen and brighten the surface. Because, for example, the textile Flooring is laid out in commercially used rooms, such as offices, etc., can be seen in the frequently encountered by using electrical current saving lights caused insufficient and less illumination of the Clear a fading of the textile fabric look of the conventional textile Flooring, which fades through the use of particularly high-contrast color trying to balance.

By fading the textile fabric optics either the color occurs Design of the textile flooring in the background or appearance or forces the use of high-contrast color design on the top the same, but there is a risk of harmonious interaction the colors of the textile fabric look is restricted.

Therefore, the provision of plain yarn and that of a textile Floor coverings desired, which smooth yarns through a high lightening ability and which textile flooring is also characterized by a reinforced textile fabric look when using textile floor coverings in commercial rooms distinguished.

The task is solved by the main claim and the secondary claims. The subclaims relate to further refinements and developments the invention.

The invention relates to a flat yarn with a high lightening capacity, which is suitable for use in textile fabrics, the one or more Has filaments that contain luster pigments, the luster pigments at least one representative of the metallic effect pigments, pearlescent pigments and Group containing interference pigments included.

• a) Vermischen von Zusatzstoffen als Spinndüsenfärbung in einer Spinnschmelze zu einer konzentrierten Kunststoff-Polymeren-Mischung enthaltenden Spinnflüssigkeit, welche Glanzpigmente enthält, wobei die Glanzpigmente mindestens einen Vertreter der Metalleffektpigmente, Perlglanzpigmente und Interferenzpigmente umfassenden Gruppe enthalten (= Master-Batch-Verfahren),
• b) Auspressen der Spinnflüssigkeit durch Spinndüsen nach einem Schmelzspinn-, Nassspinn-, und/oder Trockenspinn-Verfahren und/oder Bikomponentenfaser-Verfahren zur Herstellung von Filamenten und
• c) Erkalten derselben,
• d) Verstreckung der Filamente zur Festigkeitssteigerung der Filamente sowie
• e) Verdrillung der Filamente zu den Glattgarnen.

The invention also relates to a flat yarn with a high lightening capacity, which is suitable for use in textile fabrics, preferably in a textile floor covering, which can be produced or produced by

• a) Mixing of additives as spinneret dyeing in a spinning melt to form a spinning liquid containing concentrated plastic-polymer mixture, which contains luster pigments, the luster pigments containing at least one representative of the group comprising metallic effect pigments, pearlescent pigments and interference pigments (= master batch process),
• b) pressing the spinning liquid through spinnerets according to a melt spinning, wet spinning and / or dry spinning process and / or bicomponent fiber process for the production of filaments and
• c) cooling them,
• d) stretching the filaments to increase the strength of the filaments and
• e) Twisting the filaments to the plain yarns.

Another object of the invention relates to a textile floor covering reinforced textile fabric look and permanent lightening power with one Filling warp threads, weft threads and binding warp threads comprising the base fabric and a pile cover arranged on the top of the base fabric, which a Has fibrous web, which is characterized in that the fibrous web has the above-mentioned plain yarn.

• a) Vermischen von Zusatzstoffen in einer Spinnschmelze zu einer konzentrierte Kunststoff-Mischungen enthaltenden Spinnflüssigkeit, welche Glanzpigmente enthält, wobei die Glanzpigmente mindestens einen Vertreter der Metalleffektpigmente, Perlglanzpigmente und Interferenzpigmente umfassenden Gruppe enthalten (= Master-Batch-Verfahren),
• b) Auspressen der Spinnflüssigkeit durch Spinndüsen nach einem Schmelzspinn-, Nassspinn-, Trockenspinn-Verfahren, und/oder Bikomponentenfaser-Verfahren zur Herstellung von Filamenten und
• c) Erkalten derselben,
• d) Verstreckung der Filamente zur Festigkeitssteigerung der Filamente und
• e) Verdrillung der Filamente zu den Glattgarnen.

An additional subject relates to a method for producing a textile floor covering, preferably using the rod weaving technique, by feeding fill warp threads, weft threads, binding warp threads and pile warp threads to a reed, which is characterized in that at least some of the pile warp threads and / or that of the base fabric Having plain yarns which contain at least one representative of the group comprising metallic effect pigments, pearlescent pigments and interference pigments as luster pigments, which plain yarns can be produced by

• a) Mixing of additives in a spinning melt to form a spinning liquid containing concentrated plastic mixtures, which contains luster pigments, the luster pigments containing at least one representative of the group comprising metallic effect pigments, pearlescent pigments and interference pigments (= master batch process),
• b) pressing the spinning liquid through spinnerets according to a melt spinning, wet spinning, dry spinning process, and / or bicomponent fiber process for the production of filaments and
• c) cooling them,
• d) stretching the filaments to increase the strength of the filaments and
• e) Twisting the filaments to the plain yarns.

According to the invention, filaments also include continuous fibers in Understand single or bundled form.

For the purposes of the invention, fibers also include elongated aggregates, their molecules or crystallites in a longitudinal direction or one Grid lines are rectified everywhere, understood. The fibers can e.g. B. fibrous structures of limited length or endless fibers (= filaments see onben).

The plain yarn according to the invention comprises filaments which are man-made fibers for example from plastic-polymer mixtures, such as PP, PS, PAN, PA, PC, PETP, for example polyethylene polymers, polyacrylic polymers and / or Polyamide polymers can be composed.

The filaments additionally have one or more additives. The Additives are gloss pigments.

For the purposes of the invention, gloss pigments are also used in water insoluble and / or in organic solvents and / or organic-aqueous Solvents insoluble and / or easily and / or difficult to disperse Pigments understood.

The gloss pigment contains at least one representative of Group comprising metallic effect pigments, pearlescent pigments and interference pigments. The metallic effect pigments are preferably powdered metallic particles of the two Alloy type and / or multi-alloy type. The alloys contain aluminum and / or copper and at least one representative of z. B. Fe, Group comprising Ni, Mn, As, Zn, Sn and Si. The metal particles can for example, flaky and / or scaly.

The metallic effect pigments can be powdery flake and / or scale-like metal particles, the bronze pigments, such as aluminum bronze, May contain gold bronze and / or silver bronze. You can also Pearlescent pigments are used, which are, for example, colorless flakes, the bis- mutoxide chloride compounds, titanium dioxide mica and / or lead Compounds or mixtures thereof can be. You can also Interference pigments are used, for example mother-of-pearl pigments or fire-colored metal bronzes. The bronze pigments can be Al powder, gold bronze Cu and / or Cu-sn alloys and / or Cu-Zn alloys and silver bronze Cu-Zn- Ni alloys and / or Cu-Sn-Ni alloys included.

The filaments, which can be spun into smooth yarns, contain for example bronze pigments, aluminum bronze pigments and / or Patent bronze pigments as metal particles. Preferably the metal particles heated in air at 150 ° C for the stability of the color and / or the Patent bronze can also be colored with dyes. The bronze pigments can Aluminum powder, gold bronze copper and / or copper tin alloys and the Silver bronze be copper-tin-nickel alloys.

The smooth yarn according to the invention can be produced by concentrating in a Plastic mixture of a spinning melt as a pre and base mixture Luster pigments are added and mixed (master batch process). In this The conventional master batch process can be used for Further processing of the plastic polymers and the provision of the Metallic glossy yarns according to the invention are necessary, possibly low Meter amounts of luster pigments or mixtures of them more easily and precisely and also work in homogeneously.

After mixing the additives with the concentrated plastic The polymer mixture of the spinning melt to form a spinning liquid Spin liquid by a conventional method through spinnerets for Manufacture of filaments pressed out. After pressing out the glossy pigments containing spinning liquid, for example after melting, drying and / or Wet spinning processes, for example after cooling the filaments Airflow or in a cold bath, the filaments stretched out to Strengthening of the same.

The drawing can also be carried out by a conventional method take place, for example by the molecular chains by conventional methods be oriented in one direction by external force. Likewise can the stretching is added or alternatively by external forces and / or heat.

In the sense of the invention, stretching is also understood to mean a method to increase the strength of filaments, especially thermoplastic Plastic polymers such as PP, PS, PAN, PA, PC, PETP.

These can be in the solid state or during the solidification of a train and / or Exposed to pressure in one or two directions. Here, the Chain segments of the macromolecules in the in the amorphous areas of the Polymers are increasingly aligned in parallel (= oriented). At a Subsequent heat setting can then adequately oriented areas in this Crystallize arrangement.

When the filaments are drawn, they can be cooled provided filaments are guided over several godets, which the filaments for Wrap around preventing slipping. The filaments are also in one subsequent heating furnace and / or heating bath on a Stretching temperature brought. The filaments heat up during so-called cold drawing the constriction point due to the shear occurring inside.

Likewise, in a conventional process, the pre-stretched filaments with a third set of godets through an annealing section be performed in which the elastic deformation components while maintaining the Relax orientation.

After the filaments have been drawn, the Filaments are twisted or twisted into smooth yarns.

The smooth yarn according to the invention can be made, for. B. longer, undulated, filaments arranged in parallel to provide a fixed spinning twist getting produced. The fixed spinning twist is due to the smooth and closed Surface structure of the plain yarn according to the invention enables; Farther the smooth yarn according to the invention is characterized by sufficient tensile strength which, especially in the further processing of the invention Smooth yarn for a textile floor covering is of particular advantage.

It also shows that the homogeneous mixing of the Luster pigments in the pre-containing the concentrated plastic-polymer mixture or stock mixture of the spinning melt a durability of the metallic acting surface of the smooth yarn according to the invention is made possible. In addition, the smooth yarn according to the invention is characterized by the smooth and closed surface structure due to sufficient durability of the Smooth yarn according to the invention.

The smooth yarn according to the invention can be dense and non-porous there are filaments lying together. The yarn according to the invention shows through Using uncrimped filaments a soapy and cold handle, however, the smooth surface of the same increases due to light reflections and possibly by interference not only the lightening of the flat yarn according to the invention, but also leads to a significant increase in the color effect of the Products containing smooth yarns according to the invention, such as textile floor coverings and other tissues. The flat yarn according to the invention can also have a cross-section polygonal, e.g. B. triangular, to the metallic by matting effects To increase gloss of the same.

Likewise, the plain yarn according to the invention can be one or more Yarns are twisted together or twisted to add tensile strength yet added to increase. Also by twisting or twisting the Smooth yarns according to the invention for smooth yarn threads have the durability and Resilience of the textiles comprising plain yarns according to the invention Floor coverings increased.

The textile floor covering according to the invention has a basic fabric in the Sub-compartment on which z. B. filling warp threads, weft threads and binding warp threads. The filling warp threads and weft threads regularly cross each other arranged. In addition, pile warp threads are fed to the base fabric, which the Can form pole cover in the upper compartment.

For the purposes of the invention, a pole cover is also understood to mean a pole cover for the formation of velor and / or loops.

The pile cover can have a fibrous web made of pile warp threads, for example in the form of loop chains, for the production of loops is trained. Likewise, the pile cover can have pile warp threads, which by the Pulling out the steel boards (= rods) according to a conventional one Rod weaving processes are cut open to form velor, for example in the form of V or web pimples.

The textile fabric look of the textile floor covering according to the invention is experienced through the use of the above Smooth yarns according to the invention a clear Brightening up compared to conventional textile floor coverings. The Brightening of the textile fabric optics is achieved by the shiny metallic Filaments containing gloss pigments of the flat yarns according to the invention caused. In contrast to conventional textile floor coverings, which For example, can have metal threads, the brightening of the color design the top of the base fabric or that of the pile cover by the color Effect of the glossy pigments and added by the reflections maintain a wide variety of perspectives of the viewer and user.

The durability and durability of the textile flooring according to the invention by the according to the above. Process manufactured Smooth yarns according to the invention increased significantly. Likewise, the textile flooring according to the invention by facilitating the removal of Contamination due to the dense and non-porous filaments of the smooth yarn according to the invention, for. B. in the upper compartment. Because the filaments are smooth and lie close together in the flat yarns according to the invention and are preferably uncrimped, the mechanical retention of the Textile flooring according to the invention compared to conventional textiles Floor coverings significantly reduced.

The textile floor covering according to the invention is also characterized by a high resilience, for example by twisting two or more simple plain yarns according to the invention and their use in the Pile warp threads or in other components of the base fabric as plain yarn. It is precisely the significantly higher resilience of the textile floor covering according to the invention enables its use as a base or stand area for high devices Weight, e.g. B. computer systems, and for wheeled office chairs, as often in commercially used rooms, such as offices, can be found.

Especially when compared to conventional textile floor coverings the textile flooring according to the invention through the use of Smooth yarns according to the invention in the pile cover and / or in fill warp threads, weft threads and / or binding warp threads comprising no dents in the Surface, which otherwise the textile commercial look when compared with would at least disturb conventional textile floor coverings.

The use of the flat yarns according to the invention, which filaments with Luster pigments can be contained in the pile cover and / or base fabric Textile flooring enables the formation of the metallic sheen Tissue optics. In addition to the smooth yarns of the invention Filaments have additional shiny metallic threads, which clear and / or colored, one-sided and / or double-sided with plastic polymer Foils and / or metal foils coated with filaments can be. moreover can the additional shiny metallic threads such plastic polymer Be foils which provide metal layers on one and / or both sides are, wherein the metal layers can be coated with a protective lacquer. The Filaments with glossy pigments and / or the shiny metallic threads can round, oval, kidney-shaped, shamrock-like, etc. and / or polygonal Have cross sections, e.g. B. triangular filament cross sections or triangular Thread cross-sections.

In the process according to the invention for producing a textile Floor coverings are a Riet fill warp threads, weft threads, binding warp threads, as well Pile warp threads. The pile warp threads can be in the upper compartment, for example the traditional rod weaving process can be pulled out by rods. On or several pile warp threads can have the smooth yarns according to the invention. Likewise, the pile warp threads can have smooth yarn threads according to the invention, which twisted together from two or more smooth yarns according to the invention or are twisted. Depending on the aesthetics, the smooth yarns and / or Polkettfädten containing plain yarns depending on the required or desired loop height, loop density and loop pattern pulled out. The pile cover with the pile warp threads pulled out into the upper compartment can can be cut open at the top by pulling out the rods Provision of velor as a polar blanket. The resulting pile tufts also have the metallic or metal-like textile fabric optics. The invention The above-mentioned embodiments of the inventive method can Include plain yarns and / or the plain yarn threads according to the invention.

Particularly suitable due to the use of the flat yarns according to the invention the textile floor covering according to the invention is particularly suitable for commercial use Premises that often only use electricity-saving lights be illuminated. Because of the smooth yarns according to the invention arranged filaments of luster pigments of the textile according to the invention Due to light reflections and refractions, flooring is not just one Brightening of the illuminated stand area or the floor likewise the color design of the pole cover of the same clearly comes to light. ever At the request of the user or viewer, changes in the Composition of the different gloss pigments Additives, the different concentrations of those in the additives Luster pigments Lightening areas of various sizes and effects to be provided.

Due to the different lightening areas, not only the textile Varied fabric optics of the textile floor covering according to the invention but also makes the coloring in the pile cover more opaque and added particularly fine color structures are clearly emphasized, so that the textile fabric look of the textile floor covering according to the invention is reinforced.

embodiments

Aspects, details, and advantages of the present invention are apparent from the following description of the exemplary embodiments.

For the production of plain yarns according to the invention are in one Spinning process in a concentrated plastic-polymer mixture containing master mixture as a spinning melt powdered metal particles. The powdered metal particles are a multi-component alloy with Cu-Zn Alloy. The concentrated plastic-polymer mixture contains polyamide Polymers. After homogeneous incorporation of the metal particles in the spinning melt to provide the spin fluid, the spin fluid is under Force is pressed into a screw extruder through spinnerets. The from the Filaments emerging from spinnerets are melt-spun in an air-flow channel solidifies into endless fibers or filaments. In the Solidification to filaments (continuous fibers) the filaments become Strengthening of the same stretched.

The filaments are driven by several rollers as godets performed, the filaments to prevent slipping this entwine. The filaments are in a subsequent heating furnace or heating bath brought to a stretching temperature. Warm up at the constriction point the filaments due to the internal shear. The stretched Filaments are passed from a third set of godets through an annealing section Heat-setting performed in which the elastic deformation components of the filaments and the orientation can relax.

The drawn filaments then become those according to the invention Plain yarns twisted or twisted. To the provision of the invention Smooth yarns of the closed and smooth type, for example, become longer, wavy, parallel filaments used using a fixed Spin rotation.

To provide a textile floor covering according to the invention one advised a base fabric of the textile floor covering according to the invention comprehensive filling warp threads, weft warp threads and binding warp threads. As well pile warp threads are fed to the reed, with some of the pile warp threads have plain yarns according to the invention.

In a further embodiment, filling warp threads, Weft warp threads and / or binding warp threads have the plain yarns according to the invention.

The pile warp threads are inserted into the Upper compartment pulled out of the lower compartment. That remains in the sub-compartment Basic fabric with the fill warp threads, weft threads and binding warp threads. The in that The pile warp threads pulled out from the upper compartment form the loops which form the pile warp threads with the smooth yarns according to the invention, and show a metallic similar or metallizing fabric optics. The flat yarns according to the invention in at least a part of the pile warp threads give the textile according to the invention Flooring a high level of brightening due to light reflections and Light interruptions.

It also shows that the loops around the loops with Smooth yarns according to the invention are arranged by the Light interruption and light reflections caused by lightening are particularly noticeable in color and the use of particularly high-contrast colors compared to one conventional textile flooring is unnecessary. In contrast to one conventional textile flooring, which provides opacity for the look Use of high-contrast, but aesthetically inharmonious colors the slings required, this disadvantage is avoided by the textile floor covering according to the invention with the smooth yarns according to the invention. In addition, the use of smooth yarns according to the invention in the pile cover of the textile floor covering according to the invention is particularly fine structured surfaces are provided.

In addition, the textile floor covering according to the invention is distinguished through sufficient resilience and durability of the upper subject, so that in contrast to conventional textile floor coverings, indentations, for example, when driving on the textile floor covering with wheels Office chairs, can be avoided.

Claims (12)

1. Smooth yarn with a high lightening capacity, which is used in textile fabrics are suitable which have one or more filaments, contain the luster pigments, the luster pigments comprising at least one Representative of the metallic effect pigments, pearlescent pigments and Group containing interference pigments included. 2. Smooth yarn with a high lightening capacity, which are suitable for use in textile fabrics, preferably in a textile floor covering, can be produced by a) mixing of additives as spinneret dyeing in a spinning melt to form a concentrated plastic mixture containing spinning liquid which contains luster pigments, the luster pigments containing at least one representative of the group comprising metallic effect pigments, pearlescent pigments and interference pigments, b) pressing the spinning liquid through spinnerets according to a melt spinning, wet spinning and / or dry spinning process for the production of filaments and c) cooling them, d) stretching the filaments to increase the strength of the filaments and e) Twisting the filaments to the plain yarns. 3. plain yarn with a high lightening ability according to claim 1 or 2, characterized characterized in that the metallic effect pigments are powdered metallic particles contain with two-substance and / or multi-substance alloy, which Al and / or Cu and at least one representative of Fe, Ni, Mn, As and Si comprehensive group included. 4. plain yarn with a high lightening capacity according to one of claims 1 to 3, characterized in that the metal particles as flake and / or are scaled. 5. plain yarn with a high lightening ability according to one of claims 1 to 4, characterized in that the metal particles are bronze pigments, Aluminum bronze pigments and / or patent bronze pigments are. 6. plain yarn with a high lightening capacity according to one of claims 1 to 5, characterized in that pearlescent pigments with colorless leaflets are what lead compounds, bismuth oxychloride, titanium dioxide mica or mixtures thereof. 7. plain yarn with a high lightening capacity according to one of claims 1 to 6, characterized in that the interference pigments pearlescent pigments or are fire-colored metal bronzes. 8. Textile flooring with reinforced textile fabric look and more durable Lightening power with a fill warp thread, weft thread and binding warp thread comprehensive base fabric and one on top of the base fabric arranged pole cover, which has a fibrous web, thereby characterized in that the pile of smooth yarns according to one of the preceding Has claims. 9. A process for producing a textile floor covering, preferably using the rod weaving technique, with supply of filler warp threads, weft threads, binding warp threads and pile warp threads to a reed, characterized in that at least some of the pile warp threads have smooth yarns which have at least one representative of the metallic effect pigments, pearlescent pigments as luster pigments and group comprising interference pigments, which flat yarns can be produced by a) Mixing of additives in a spinning melt to form a spinning liquid containing concentrated plastic mixtures which contains luster pigments (or soluble dyes), the luster pigments containing at least one representative of the group comprising metallic effect pigments, pearlescent pigments and interference pigments, b) pressing the spinning liquid through spinnerets for the production of filaments and c) cooling them, d) stretching the filaments to increase the strength of the filaments and 1. Twist the filaments to the plain yarns. 10. A method for producing a textile floor covering according to claim 9, characterized in that as metallic effect pigments in powder form Metal particles with two-substance alloys and / or multi-substance alloys, which Al and / or Cu and at least one representative of Fe, Ni, Mn, Sn, Zn, As and Si containing group can be used. 11. A method for producing a textile floor covering according to claim 9 or 10, characterized in that the metal particles as flaky and / or scale-like, which bronze pigments, Aluminum bronze and / or patent bronze are. 12. A method for producing a textile floor covering according to claim 10 or 11, characterized in that as metal particles in air at 150 ° C. heated as start-up paint.