Classifications

• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D27/00—Woven pile fabrics
• • 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
  • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
  • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
  • D03D15/587—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads adhesive; fusible
• • D—TEXTILES; PAPER
  • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
  • D04B—KNITTING
  • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
  • D04B1/02—Pile fabrics or articles having similar surface features
  • D04B1/04—Pile fabrics or articles having similar surface features characterised by thread material
• • A—HUMAN NECESSITIES
  • A44—HABERDASHERY; JEWELLERY
  • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
  • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
  • A44B18/0069—Details
  • A44B18/0092—Details flame retardant
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2401/00—Physical properties
  • D10B2401/04—Heat-responsive characteristics
  • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2501/00—Wearing apparel
  • D10B2501/06—Details of garments
  • D10B2501/063—Fasteners
  • D10B2501/0632—Fasteners of the touch-and-close 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
  • Y10T24/00—Buckles, buttons, clasps, etc.
  • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
  • Y10T24/275—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] with feature facilitating or causing attachment of filaments to mounting surface
  • Y10T24/2758—Thermal or adhesive
• • 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
  • Y10T428/23907—Pile or nap type surface or component
  • Y10T428/23979—Particular backing structure or composition
• • 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
  • Y10T428/23907—Pile or nap type surface or component
  • Y10T428/23986—With coating, impregnation, or bond
• • 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
  • Y10T428/23907—Pile or nap type surface or component
  • Y10T428/23993—Composition of pile or adhesive
• • 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
  • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
  • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
  • Y10T428/24017—Hook or barb

Definitions

• the present invention relates to a loop pile fabric made of a textile back made of knitwear or woven fabric and integrated handle-forming Pile yarns, the textile back of which is made from a multifilament hybrid yarn from one Mixture of lower melting and curled higher melting There is filament that is three-dimensionally deformable and the back through a heat treatment can be solidified.
• the pile goods according to the invention is ideal as an eyelet surface for Velcro fastenings, especially for large, high-strength Velcro fasteners.
• Velcro fasteners are known, preferably in the form of tapes, Velcro fasteners that can be used instead of zippers. They consist of a band or fabric that has a surface Variety of ticks, mostly made of polymer monofilaments, that the Hook surface of the closure forms and a complementary surface, the one Has a plurality of small eyelets, which forms the eyelet surface of the closure, and in which the check marks intervene when the two surfaces are combined and be anchored. The eye surface thus forms the anchoring surface in the can anchor the ticks on the checkmark area.
• EP-B-0359436 discloses lamella curtains, the lamellae of which consist of a fabric of lower-melting and higher-melting yarns, which after its production is subjected to a heat treatment in which the lower-melting yarn portions melt and stiffen the fabric.
• the Base fabric consists of a yarn of lower melting and higher melting fibers. After fabrication and binding of the pole the material is heated to a temperature at which the lower melting Melt the fibers, causing the back of the fabric to solidify. From the An example of this document can be seen that it is used to manufacture the woven
• the yarn used in the back is a staple fiber yarn made from a mixture lower melting and higher melting staple fibers Secondary spinning is obtained.
• An object of the present invention is a loop pile article To provide, which due to their loop-forming pole as an eyelet surface for Velcro fastenings are suitable, are easy to manufacture and deform three-dimensionally and thus also complicated three-dimensional surfaces, e.g. the Inside of car doors, backrests or rear surfaces of bucket seats, without folds can be adjusted, and their backs by simply heating them in one Adjusted to the requirements of further processing solidified and stiffened can be.
• An object of the present invention is a loop pile fabric made of a textile back made of knitted fabric or woven fabric and loop-forming pile yarns integrated therein, which is characterized in that that their textile back consists of a multifilament hybrid yarn of at least 2 types A and B of filaments and possibly accompanying filaments C, whereby the filaments A are textured and have a melting point above 180 ° C., preferably above 220 ° C., in particular above 250 ° C. the filaments B have a melting point below 220 ° C., preferably below 200 ° C., in particular below 180 ° C., the melting point of filaments B is at least 20 ° C., preferably at least 40 ° C., in particular at least 80 ° C.
• the weight ratio of the filaments A: B is in the range from 20:80 to 80:20, preferably from 40:60 to 60:40 and the multifilament hybrid yarn still contains up to 40% by weight of accompanying filaments C, and that the pile is made of There are loop loops with a handle length of 1 to 4 mm, which are formed from a multifilament yarn with a total titer of 30 to 200 dtex and single titer from 5 to 25 dtex, and / or from monofilaments with a titer of 20 to 70 dtex.
• loop pile fabric is three-dimensionally deformable. This valuable property is particularly favored and is also achieved when the back consists of a fabric, when the higher-melting textured filaments A have a crimp of 3 to 50%, preferably 8 to 30%, in particular 10 to 22%.
• the crimping of the higher-melting filaments can be done by all known methods take place in which the filaments at elevated temperature a two- or three-dimensional crimp is fixed. Suitable known Procedures are e.g. the stuffer box crimp, the gear crimp, the "knit-deknit” process in which a yarn is first made into a knitted tube is knitted, this is heat-set and then pulled up again.
• the preferred method for texturing the filaments A is that in False wire methods described in numerous publications.
• the higher-melting textured filaments A are expediently air nozzle textured or preferably false wire textured.
• the lower-melting filaments B of the multifilament hybrid yarn of the textile back form at least partially a matrix that connects the higher-melting textured filaments of the multifilament hybrid yarn to one another and to the pile yarn in the area of the back plane.
• a matrix is to be understood as a coherent polyester mass which is formed by the complete or partial melting of the filaments B or by gluing together the filaments B which have softened to the point of stickiness.
• the filaments A have a melting point of over 220 ° C., preferably of Have 220 to 300 ° C, especially 240-280 ° C.
• the filaments B have a melting point of below 220 ° C., preferably from 110 to 220 ° C., in particular from 150 to 200 ° C.
• Essential to the invention is the use of filament types A, B for which certain melting point specifications exist.
• the melting point of the filaments is determined on the polymer raw material used for their production.
• a special feature of many polymer materials, such as polyester materials, is that they usually soften before melting and the melting process extends over a relatively wide temperature range. Nevertheless, it is possible to determine easily reproducible temperature points which are characteristic of these polymer materials, for example polyester materials, at which the examined sample loses its geometric shape, ie changes to a liquid (albeit often highly viscous) state.
• the “melting range” mentioned is a certain rather narrow temperature range which is characteristic of the material and in which there is a noticeable acceleration in the penetration of the measuring tip into the polyester material.
• a temperature point at which the measuring tip has reached a certain depth of penetration can then be defined as an easily reproducible melting point.
• the melting point is defined as the temperature point (average of 5 measurements) at which a measuring tip with a circular contact surface of 1 mm 2 and a contact weight of 0.5 g is placed in a polymer sample heated at 5 ° C./min, for example polyester sample , 1000 ⁇ m has penetrated.
• the thread closure between the filaments is necessary in order to form a thread body which can be processed in the manner of a yarn, ie which can be woven or knitted, for example, without individual filaments of the composite becoming detached from it or forming larger loops and thus disrupting the processing steps to lead.
• the required thread closure can be brought about, for example, by imparting a so-called protective twist of, for example, 10 to 100 turns / m to the yarn, or by spot welding the filaments together.
• the required thread closure is preferably brought about by swirling in a jet nozzle, the filaments to be connected to a yarn being blown laterally in a narrow thread channel with a sharp gas jet.
• the degree of intermingling and thus the quality of the thread closure can be varied by the strength of the blowing.
• the filaments are preferably A, B and possibly C of the multifilament hybrid yarn intermingled with each other, the degree of intermingling of the multifilament hybrid yarn suitably corresponds to an opening length of 10 to 100 mm.
• the degree of swirl is characterized by the opening length, those according to the needle test method described in US-A-2 985 995 with a ITEMAT needle test device is measured.
• the filaments B are smooth, that Multifilament hybrid yarn contains no accompanying filaments C, it has a total titer of 80 to 500 dtex, preferably 100 to 400 dtex, in particular 160 to 320 dtex, , the higher melting textured filaments A has a single filament titer of 0.5 to 15 dtex, preferably 2 to 10 dtex, and the low-melting filaments B a single filament titer of 1 to 20 dtex, preferably from 3 to 15 dtex.
• a multifilament hybrid yarn higher melting textured filaments A an initial modulus of 15 to 28 N / tex, preferably from 20 to 25 N / tex, and a fineness-related maximum tensile force of over 25 cN / tex, preferably over 30 cN / tex, in particular from 30 to 40 have cN / tex.
• the basis weight of the loop pile fabric according to the invention is 80 to 250 g / m 2 , preferably 100 to 180 g / m 2 , in particular 100 to 150 g / m 2 , and that the weight ratio of textile back to pile yarn in the Raw goods are in the range from 90:10 to 50:50, preferably 85:15 to 70:30.
• the handles have a length of 1.0 to 4.0 mm, preferably from 1.0 to 3.0 mm.
• the loop pile fabric according to the invention meets the requirements for Velcro fastening material if the total titer of the pile yarn, as stated above, is 30 to 200 dtex.
• the titer range from 76 to 150 dtex is particularly preferred.
• the single filament titer of the pile yarn is normally 5 to 25 dtex, preferably 5 to 18 dtex, in particular 10 to 16 dtex.
• the pile yarns can be smooth. However, it seems that the adherence of the Velcro fastener is improved somewhat if the pile yarns are textured. It is therefore preferred that the pile yarns are textured, preferably blown or false wire textured.
• the loop pile of the loop pile fabric according to the invention can be in addition to the or instead of the relatively coarse-titled, preferably textured ones mentioned above
• Multifilament yarns also contain or consist of monofilaments.
• an embodiment of the loop pile fabric according to the invention is characterized in that the textile back consists of knitted fabric.
• the back of the loop pile fabric according to the invention can be knitted or knitted.
• the knitted textile surfaces can be warp knitted or knitted.
• a knitted or knitted back can have right / right, left / left or a right / left stitch structure and their known variants as well as jacquard patterns.
• a further embodiment of the loop pile fabric according to the invention is characterized in that the textile back is woven.
• a woven backing can have all known fabric constructions such as the plain weave and its derivatives.
• the woven or knitted fabrics are selected according to the intended use of the textile material according to the invention, technical convenience being the primary factor.
• the preferred stitch structure is the basic weave right / right, left / left or a right / left, the preferred weave is the plain weave, if necessary with simple derivatives without major floats.
• the basic structures of the knitted fabrics or fabrics are preferred in each case.
• the density of the back surface depends on the application for which the material is used is provided and depending on the titer of the yarns used in the manufacture for fabrics in the range from 10 to 25 threads / cm, preferably from 14 to 20 Threads / cm in warp and weft, in the case of knitwear with a corresponding one Stitch density of approx. 12 to 30 needles / inch, preferably 16 to 24 needles / inch. Within this range the densities can of course be the intended one Use case to be adapted.
• At least 20%, preferably 33 to 100%, of the stitches have pile yarns on a knitted fabric back.
• not every warp and / or weft thread integrates pile knobs in a backing fabric.
• 20%, preferably 33 to 100%, of the warp and / or weft threads incorporate pile nubs in a backing fabric.
• the arrangement of the pole loops can be uniform over the entire surface of the loop pile fabric, or the pole loops can be arranged in different densities, for example, in a repeat pattern. Areas of the loop pile fabric in which the loops have handles can alternate with zones in which there are no handles.
• the mesh of the basic fabric can be combined in a pattern with handles, which is achieved by appropriate jacquard-like needle selection of the knitting machine, or there can be empty rows of handles, ie complete basic rows without handles. For example, 1 to 5 rows of handles can be followed by one or two rows without handles (cross rib effect). Patterns with a fabric-like character can also be produced in this way. Designs produced in this way have longitudinal and / or transverse and / or diagonal streets.
• All of the filaments contained in the pile yarn preferably have a melting point which is at least 20 ° C., preferably at least 40 ° C., in particular at least 80 ° C. above the melting point of filaments B of the multifilament hybrid yarn. If this is not the case for special reasons, it should be ensured when the back of the loop pile fabric according to the invention is consolidated that the heat treatment is limited to the back of the material, for example by contact heating on a heating surface, if hardening of the pile yarn is to be avoided.
• the pile can also consist of the multifilament hybrid yarn described above, possibly in the above-mentioned coarse titers, or the pile yarn described above can contain filaments B as contained in the hybrid yarn , exhibit.
• the pile is also stiffened in these cases.
• Suitable yarns in the titer ranges given above are, for example textured under the trade names ®TREVIRA and ®TREVIRA MONOFIL, in different types, known.
• the back of the loop pile fabric according to the invention Made from a multifilament hybrid yarn, the higher melting (A) and has lower-melting filaments (B), the melting points being one certain, procedural minimum distance, and the Filaments A are textured. These characteristics are necessary but also sufficient around the loop pile fabric according to the invention and the back carrying it Deformability and the ability to impart thermosetting.
• filaments A of the multifilament hybrid yarn that they should melt above 180 ° C., preferably above 220 ° C., in particular above 250 ° C.
• they can consist of all spinnable materials that meet these requirements. Suitable are therefore both semi-synthetic materials, such as filaments made from regenerated cellulose or cellulose acetate, and synthetic filaments, which are particularly preferred because of the possibility of varying their mechanical and chemical properties over a wide range.
• Such filaments are described in detail in Ullmann's Encyclopedia of Industrial Chemistry, 5th edition (1989), volume A13, pages 1 to 21 and volume 21, pages 449 to 456. They consist, for example, of liquid-crystalline polyesters (LCP), polybenzimidazole (PBI), Polyether ketone (PEK), polyether ether ketone (PEEK), polyether imides (PEI), polyether sulfone (PESU), aramids such as poly (m-phenylene isophthalamide) (PMIA), poly (m-phenylene terephthalamide) (PMTA), or poly (phenylene sulfide) ) (PPS).
• LCP liquid-crystalline polyesters
• PBI polybenzimidazole
• PEK Polyether ketone
• PEEK polyether ether ketone
• PEI polyether imides
• PESU polyether sulfone
• aramids such as poly (m-phenylene isophthalamide) (PMIA), poly (m-
• the filaments A therefore advantageously consist of regenerated or modified cellulose, higher-melting polyamides (PA), such as 6-PA or 6,6-PA, polyvinyl alcohol, polyacrylonitrile, modacrylic polymers, polycarbonate, but especially of polyesters.
• Polyesters are particularly suitable as raw material for filaments A because it is possible to vary the chemical, mechanical and other physical properties relevant to the application, in particular, for example, the melting point, in a relatively simple manner by modifying the polyester chain.
• spinnable polymers are also useful such as.
• Vinyl polymers such as polyolefins such as polyethylene or polypropylene, Polybutene, lower melting polyamides, e.g. 11-PA or alicyclic Polyamides (e.g. by condensation of 4,4'-diaminodicyclohexylmethane and Decan carbons available product), but especially modified here Low melting point polyester
• the pile yarns largely determine the textile character of the loop pile fabric according to the invention. They can consist of all of the fiber and filament materials commonly used to manufacture the pile of loop pile goods, eg plushes.
• the pile yarns can consist of spun fibers made of natural fiber materials, such as cotton or wool, or of semi-synthetic fiber materials, or also of synthetic fibers and filaments. Blends of natural and synthetic fibers can also be present in the pile yarn if this meets the requirements of the end user.
• the pile yarns are usually dyed, for example spun-dyed, and yarns of different colors are often processed to achieve certain decorative effects. For the reasons already mentioned above, the pile yarns are preferably textured.
• the higher melting textured filaments A are polyester filaments, and that it is particularly advantageous if the lower-melting filaments B consist of modified polyester with a lower melting point.
• the pile yarn is a polyester yarn.
• polyester If the polymer material of the back and pole is polyester, there is furthermore the possibility from the used products e.g. by Alcoholysis valuable raw materials for the new production of polyesters win.
• Polyesters for the purposes of this invention are also copolyesters which consist of more as one type of dicarboxylic acid residue and / or more than one type of diol residue are built up.
• a polyester from which the fiber materials of the loop pile fabric according to the invention are made consists of at least 70 mol%, based on the totality of all polyester assemblies, of assemblies which are derived from aromatic dicarboxylic acids and from aliphatic diols, and to a maximum of 30 mol%, based on the totality of all polyester assemblies, from dicarboxylic acid assemblies which are different from the aromatic dicarboxylic acid assemblies which form the majority of the dicarboxylic acid assemblies or from araliphatic dicarboxylic acids with one or more, preferably one or two condensed or uncondensed aromatic nuclei, or derived from aliphatic dicarboxylic acids with a total of 4 to 12 carbon atoms, preferably 6 to 10 carbon atoms and diol assemblies, which are derived from branched and / or longer-chain diols having 3 to 10, preferably 3 to 6, C atoms, or of cyclic diols, or of diols containing ether groups, or
• the loop pile fabric according to the invention the fiber materials of which Polyesters, especially polyethylene terephthalate, are not easy to kindle.
• flame retardancy can be increased by using flame retardant modified polyesters.
• flame-retardant modified polyesters are known. They contain additions of halogen compounds, in particular bromine compounds, or, which is particularly advantageous, they contain phosphorus compounds which are condensed into the polyester chain.
• flame-retardant loop pile articles according to the invention contain yarns made of polyester in the back and / or pile, which assemblies of the formula in the chain wherein R is alkylene or polymethylene with 2 to 6 carbon atoms or phenyl and R 1 is alkyl with 1 to 6 carbon atoms, aryl or aralkyl, contained in condensed form.
• R preferably denotes ethylene and R 1 denotes methyl, ethyl, phenyl, or o-, m- or p-methylphenyl, in particular methyl.
• the components of the formula VI are expediently up to in the polyester chain 15 mol%, preferably 1 to 10 mol%, contain.
• the polyesters used do not contain more than 60 meq / kg, preferably less than 30 meq / kg, blocked carboxyl end groups and less than 5 meq / kg, preferably less than 2 meq / kg, in particular less than 1.5 meq / kg, has free carboxyl end groups.
• the polyester therefore preferably has blocked carboxyl end groups, for example by reaction with mono-, bis- and / or polycarbodiimides.
• the polyester of the core and the polyester of the polyester mixture of the jacket have a maximum of 200 ppm, preferably a maximum of 50 ppm, in particular 0 to 20 ppm, mono- and / or biscarbodiimides and 0, 02 to 0.6 wt .-%, preferably 0.05 to 0.5 wt .-% free polycarbodiimide with an average molecular weight of 2000 to 15000, preferably from 5000 to 10,000.
• the polyesters of the yarns contained in the pile fabric according to the invention can contain up to 10% by weight of non-polymeric substances, such as modification additives, fillers, matting agents, color pigments, dyes, stabilizers, such as UV absorbers, antioxidants, hydrolysis and light - And contain temperature stabilizers and / or processing aids.
• non-polymeric substances such as modification additives, fillers, matting agents, color pigments, dyes, stabilizers, such as UV absorbers, antioxidants, hydrolysis and light - And contain temperature stabilizers and / or processing aids.
• An object of the invention are also the solidified ones described above Loop pile goods, i.e. those in which the lower melting filaments B of the multifilament hybrid yarn of the textile back at least partially a matrix form the higher-melting textured filaments of the multifilament hybrid yarn with each other and with the pile yarn in the area of the back plane connects with each other.
• a special characteristic of this material is that not only the back by at least partial matrix formation of filaments B of the multifilament hybrid yarn of the back is solidified but that surprisingly the The strength of the binding of the pile yarn in the back is higher than that Maximum traction.
• Another object of the present invention is a method for producing a loop pile fabric to be thermally strengthened from a textile back made of knitted fabric or fabric and pile yarns which are incorporated in the handle, by weaving, knitting or knitting a fabric, a knitted fabric or a knitted fabric with integrated handles, the result is marked that at least 30%, preferably at least 75%, of the yarn fed to the loom, the knitting machine or the knitting machine for forming the textile back surfaces of the loop pile fabric is a multifilament hybrid yarn consisting of at least 2 types A and B of filaments and possibly accompanying filaments C. , in which the filaments A are textured and have a melting point above 180 ° C., preferably above 220 ° C., in particular above 250 ° C.
• the filaments B have a melting point below 220 ° C., preferably below 200 ° C., in particular below 180 ° C., the melting point of filaments B is at least 20 ° C., preferably at least 40 ° C., in particular at least 80 ° C.
• the weight ratio of the filaments A: B is in the range from 20:80 to 80:20, preferably from 40:60 to 60:40 and the multifilament hybrid yarn still contains up to 40% by weight of accompanying filaments C, and that a multifilament yarn with a total titer of 30 to 200 dtex and single titer of 5 to 25 dtex, and / or monofilaments with a titer of 20 to 70 dtex is fed to the loom, the knitting machine or the knitting machine for forming the pile.
• the solidified loop pile fabric thus produced is also an object of the present invention.
• the temperature of the final heat treatment and the duration of the treatment depend on the desired degree of solidification and the melting point of the filaments B of the multifilament hybrid yarn. As a rule, the heat treatment is carried out at 100 to 200 ° C., preferably at 120 to 180 ° C.
• the raw fabric of the pile fabric, knitted fabric or knitted fabric is pre-fixed on the tenter.
• Multifilament hybrid yarns whose filaments B are smooth are preferably used to form the back.
• the process is controlled so that the basis weight of the loop pile fabric is 80 to 250 g / m 2 , preferably 100 to 180 g / m 2 , in particular 100 to 150 g / m 2 , and the running-in ratio of back yarn is increased Polgarn is in the range from 90:10 to 60:50, preferably in the range from 85:15 to 70:30.
• the control takes place depending on the desired pole density and pattern so that at a knitted back at least 10%, preferably 33 to 100% of the Knit pile yarns, with a backing 10%, preferably 33 to Tie in 100% of the warp and / or weft threads.
• the loop pile fabric according to the invention is in the preferred embodiment varietal and therefore has the advantages already described above in the Disposal or recycling. Furthermore, the present invention further advantages, namely the saving of a lamination before further processing, the possibility of stiffening the back so far and to compress that a direct back injection e.g. possible with molded foams is without the foam breaking through to the pole side. Especially It is advantageous that the loop pile fabric, even if its back is woven is, has a very good three-dimensional deformability, which results from the Use of the multifilament hybrid yarn described in the manufacture of the Back gives.
• the following embodiments illustrate the manufacture of the Multifilament hybrid yarn according to the invention and its use in Production of loop pile goods according to the invention.
• a hybrid yarn is produced by dubbing a yarn 167 dtex f 32, jet black, textured, made of unmodified polyethylene terephthalate (raw material melting point 265 ° C) (®TREVIRA Type 536) with a 140 dtex f 24 yarn Isophthalic acid-modified polyethylene terephthalate (raw material melting point 110 up to 120 ° C) and swirling together in an air pressure of 2 bar operated intermingling nozzle, the deeper melting yarn in the remains essentially smooth.
• a knitted fabric is produced on a plush machine type MLPX with 20 needles / inch and 26 "cylinder diameter.
• dtex 84 f 6 raw white for the formation of the handles.
• the goods are then washed (wide wash 40 ° C) and dried, fixed and finished on the frame at 160 ° C.
• the finished product has a tensile weight of 126 g / m 2 .
• the use of the multifilament hybrid yarn means that the otherwise usual edge gluing is not necessary, since the goods lie perfectly flat. It is ideal as an eyelet surface for large, high-strength Velcro fastenings.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Mechanical Engineering (AREA)
• Woven Fabrics (AREA)
• Knitting Of Fabric (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
• Artificial Filaments (AREA)
• Treatment Of Fiber Materials (AREA)
• Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
• Socks And Pantyhose (AREA)
• Multicomponent Fibers (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=7754675

Family Applications (1)

Country Status (14)

Families Citing this family (38)

Family Cites Families (8)

• 1995
  • 1995-02-22 DE DE19506038A patent/DE19506038A1/de not_active Withdrawn
• 1996
  • 1996-02-09 EP EP96101887A patent/EP0728859B1/de not_active Expired - Lifetime
  • 1996-02-09 AT AT96101887T patent/ATE193566T1/de not_active IP Right Cessation
  • 1996-02-09 DE DE59605330T patent/DE59605330D1/de not_active Expired - Fee Related
  • 1996-02-09 DK DK96101887T patent/DK0728859T3/da active
  • 1996-02-09 PT PT96101887T patent/PT728859E/pt unknown
  • 1996-02-09 ES ES96101887T patent/ES2148604T3/es not_active Expired - Lifetime
  • 1996-02-16 TR TR96/00130A patent/TR199600130A2/xx unknown
  • 1996-02-20 HU HU9600382A patent/HUP9600382A1/hu unknown
  • 1996-02-21 PL PL96312881A patent/PL312881A1/xx unknown
  • 1996-02-21 BR BR9600781A patent/BR9600781A/pt not_active Application Discontinuation
  • 1996-02-21 CZ CZ96519A patent/CZ51996A3/cs unknown
  • 1996-02-21 CA CA002170014A patent/CA2170014A1/en not_active Abandoned
  • 1996-02-22 JP JP8034711A patent/JPH08280418A/ja active Pending
  • 1996-02-22 US US08/604,919 patent/US5654067A/en not_active Expired - Fee Related

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