DE4327783A1 - Bonded sewing thread, sheet-like structure sewn therewith and method for producing such a sewing thread - Google Patents
Bonded sewing thread, sheet-like structure sewn therewith and method for producing such a sewing threadInfo
- Publication number
- DE4327783A1 DE4327783A1 DE4327783A DE4327783A DE4327783A1 DE 4327783 A1 DE4327783 A1 DE 4327783A1 DE 4327783 A DE4327783 A DE 4327783A DE 4327783 A DE4327783 A DE 4327783A DE 4327783 A1 DE4327783 A1 DE 4327783A1
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- Prior art keywords
- sewing thread
- sewing
- esters
- precursor material
- starches
- Prior art date
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- 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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/693—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
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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
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
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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
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/02—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making single-thread seams
- D05B1/06—Single chain-stitch seams
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/04—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/06—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of animal origin, e.g. wool or silk
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- 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
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/08—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin
- D06M14/12—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/14—Polyesters
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- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/08—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin
- D06M14/12—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of synthetic origin of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M14/16—Polyamides
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
- D06M15/233—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated aromatic, e.g. styrene
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/248—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing chlorine
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/31—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated nitriles
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
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- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- 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
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- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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Abstract
Description
Die Erfindung betrifft einen bondierten Nähfaden gemäß dem Oberbegriff des Anspruchs 1, ein hiermit vernähtes Flächenge bilde gemäß dem Oberbegriff des Anspruchs 8 sowie ein Verfah ren zur Herstellung eines solchen Nähfadens gemäß dem Oberbe griff des Anspruchs 12. Darüber hinaus betrifft die Erfindung die Verwendung von Latexdispersionen zur Herstellung von bon dierten Nähfäden gemäß Anspruch 22 sowie ein Bondierungsmit tel gemäß dem Oberbegriff des Anspruches 25.The invention relates to a bonded sewing thread according to the The preamble of claim 1, a surface seam sewn herewith form according to the preamble of claim 8 and a procedure ren for the production of such a sewing thread according to the Oberbe handle of claim 12. Furthermore, the invention relates the use of latex dispersions for the production of bon doped sewing threads according to claim 22 and a bonding agent tel according to the preamble of claim 25.
Ein wesentliches Qualitätsmerkmal einer textilen Naht besteht in der Art und Weise der Verankerung des Materials des Nähfa dens in dem Material der durch die Naht zu verbindenden Flä chengebilde. Bei Steppnähten erfolgt eine solche Verankerung fortlaufend an jedem Stich, wobei der auf einer Spule gerin gen Fassungsvermögens zur Verfügung gestellte Unterfaden den Oberfaden verankert. Bei Kettenstichnähten wird lediglich mit einem oder mehreren, von Konen großen Fassungsvermögens ab laufenden Fäden gearbeitet, die nicht in jedem Stich veran kert werden. Die Verankerung des Fadens der Kettenstichnaht erfolgt lediglich durch Übernähen an den Enden der Naht. Wenn somit eine Beschädigung der Naht zwischen den Enden auftritt, so führt ein Zug am Faden zu einem Aufgehen der gesamten Naht. Aus diesem Grunde ist der Einsatz von Kettenstichnähten in der Praxis sehr beschränkt bzw. nachteilig, wenn ein Auf gehen bei Beschädigung oder Vorschädigung während des Vernä hens notgedrungen in Kauf genommen wird.There is an essential quality feature of a textile seam in the way the material of the sewing thread is anchored dens in the material of the areas to be connected by the seam fabric. Such anchoring takes place with quilting seams continuously on each stitch, with the stitch on a spool bobbin thread made available Upper thread anchored. With chain stitch seams is only with one or more large cones running threads that do not cause in every stitch be core. Anchoring the thread of the chain stitch seam is only done by sewing over at the ends of the seam. If thus damage to the seam between the ends occurs so a pull on the thread causes the whole to open Seam. For this reason, the use of chain stitch seams in practice very limited or disadvantageous if an up go in case of damage or pre-damage during sewing hens is necessarily accepted.
Andererseits erfordern die qualitativ höherwertigen Stepp nähte erheblichen Arbeitsaufwand, da die Steppnaht der Auto matisierung nicht in vollem Umfang zugänglich ist. Nach Auf brauchen der Fadenreserve für den Unterfaden auf der Spule muß von Hand ein Spulenwechsel erfolgen, so daß der Nähvor gang ggfs. bereits nach wenigen Minuten immer wieder unter brochen werden muß, um den Spulenwechsel zu ermöglichen. Wäre ein Kettenstichnaht anwendbar, so könnte ohne einen Spulen- oder Konenwechsel über einen ganzen Arbeitstag hinweg oder noch länger unterbrechungsfrei gearbeitet werden, so daß vielfältige Automatisierungsmaßnahmen eingesetzt werden kön nen.On the other hand, the higher quality quilt requires stitched considerable work because the stitching of the car automation is not fully accessible. After on need the thread reserve for the bobbin thread on the bobbin a bobbin change must be made by hand so that the sewing may go under again after a few minutes must be broken to enable the bobbin change. Would a chain stitch seam can be used without a bobbin or change of cone over a whole working day or work longer without interruption, so that diverse automation measures can be used nen.
Ein häufiges Problem beim automatischen Durchführen von Ket tenstichnähten ist jedoch das bislang herstellbare Garn bzw. der zu verwendende Nähfaden:A common problem with running Ket automatically However, stitching is the thread or the sewing thread to be used:
Handelsübliche Garne werden durch Verzwirnung bzw. Verdril lung vieler einzelner Fäden oder Filamente zu einem Multifi lamentbündel mit mehr oder weniger regelmäßigem helikalem Aufbau hergestellt. Hierbei ergeben sich Windungszahlen von ca. 1000 bis 10 000 Windungen pro Meter Nähfaden.Commercially available yarns are twisted or twisted of many individual threads or filaments into a multi-fi bundle of laments with more or less regular helical Construction made. This results in turn numbers of approx. 1000 to 10,000 turns per meter of sewing thread.
Wird ein derartiger verzwirnter Nähfaden maschinell bei bis zu 300 Nadelhüben pro Minute vernäht, so tendieren herkömmli che Garne bzw. Nähfäden - insbesondere bei im kontinuierli chen Nähbetrieb durch wechselnde Nachreichung häufig auftre tenden, wechselnden Fadenspannungen - zu einer Entzwirnung. Hierdurch bilden sich Schlingen und Schlaufen aus sich vom Hauptstrang des Nähfadens ablösenden Filamenten und - bedingt durch die Nadelreibung beim Vernähen - auch Splisse aus, was dazu führt, daß die gebildeten Schlingen und Schlaufen beim weiteren Vernähen von der Nähmaschinennadel erfaßt werden. Dies führt im günstigsten Fall zu unregelmäßigen, minderwer tigen Nähten. Viel häufiger jedoch sind Fadenriß, Nadelab bruch und somit Maschinenstillstand die Folge eines derarti gen Entzwirnungsvorganges. Auch muß häufig die bereits genäh te Kettenstichnaht wieder aufgetrennt werden, was zu weiteren Produktionsausfallzeiten führt.If such a twisted sewing thread is machined at up to sewn at 300 needle strokes per minute, so conventional tend che yarns or sewing threads - especially in continuous sewing operation often occurs due to changing subsequent filing tendency, changing thread tension - to a twisting. As a result, loops and loops form from themselves Main strand of the filament detaching and - conditionally through the needle friction when sewing - also split ends from what leads to the loops and loops formed at further sewing can be detected by the sewing machine needle. In the best case, this leads to irregular, inferior stitching. However, thread breakage, needle down are much more common break and thus machine downtime is the result of such a against detangling process. Often the already sewn Te chain stitch seam are separated again, which leads to further Production downtimes.
Desweiteren neigen derartige Nähfäden des Standes der Technik dazu sich insbesondere an ihren Enden aufgrund der ihnen in härenten Torsionsspannung aufzudrillen, was insbesondere bei Kettenstichnähten zu den einleitend diskutierten Problemen führen kann.Furthermore, such sewing threads of the prior art tend to do so especially at their ends due to them in unraveling the inherent torsional stress, which is particularly the case with Chain stitching to the problems discussed in the introduction can lead.
Um diesem Nachteil zu begegnen, wurde schon früh, beispiels weise in der DE-A 31 42 507, versucht, eine stärkere Bondie rung des Nähfadens durch die Verwendung von Klebern, insbe sondere Schmelzklebern, und/oder Thermoplasten zu erreichen.To counteract this disadvantage, was early on, for example as in DE-A 31 42 507, tried a stronger bondie tion of the sewing thread through the use of glue, especially to achieve special hot melt adhesives and / or thermoplastics.
Derartige Versuche lieferten jedoch Fäden, welche zwar bon diert - weil verklebt - waren, sich jedoch aufgrund ihrer Sprödigkeit dann unter Industriebedingungen kaum noch vernä hen ließen, da häufig Fadenbrüche auftraten, so daß bislang kein bondierter Nähfaden zur Verfügung stand, der sich in der Praxis eines Nähbetriebes einsetzen ließ.Such attempts, however, provided threads, which were bon dated - because glued -, but because of their Hardly any brittleness then nibbled under industrial conditions hen, since thread breaks often occurred, so far no bonded sewing thread was available that could be found in the Practice of a sewing company.
Daher war es Aufgabe der vorliegenden Erfindung, einen ver besserten bondierten Nähfaden, ein Verfahren zu seiner Her stellung, ein Mittel zur Bondierung sowie ein mit einem sol chen Nähfaden vernähtes Flächengebilde zur Verfügung zu stel len.It was therefore an object of the present invention to provide a ver improved bonded sewing thread, a process for its manufacture position, a means of bonding and one with a sol sewn fabric is available len.
Die Lösung dieser Aufgabe erfolgt durch die kennzeichnenden Merkmale der Ansprüche 1, 8, 12, 22 und 25.This problem is solved by the characteristic Features of claims 1, 8, 12, 22 and 25.
Erfindungsgemäß wird die erhöhte Bondierungswirkung in der Regel erzielt mit einem Nähfaden, der an seiner äußeren Ober fläche eine vor dem Verarbeiten aktivierbare Imprägnierung aus mindestens einem Vorläufermaterial aufweist, wobei sich das Vorläufermaterial chemisch nach seiner Aktivierung zu einem Produkt umwandelt, welches dem Nähfaden eine erhöhte Bondierung verleiht.According to the increased bonding effect in the Usually achieved with a sewing thread on its outer upper surface an impregnation that can be activated before processing from at least one precursor material, wherein the precursor material chemically after its activation converts a product that increases the sewing thread Bonding gives.
Ein derartiger Nähfaden wird hergestellt, indem man bei spielsweise einen handelsüblichen Nähfaden mit einem Bondie rungsmittel gemäß Anspruch 25 in Kontakt bringt, wobei ein Vorläufermaterial beispielsweise thermisch aktiviert wird. Anschließend kann der lagerstabile erfindungsgemäße Nähfaden sofort wieder aufgewickelt werden, z. B. auf eine Spule oder Trommel.Such a sewing thread is made by for example a standard sewing thread with a bondie Contacting agent according to claim 25, wherein a For example, precursor material is thermally activated. Then the storage-stable sewing thread according to the invention be rewound immediately, e.g. B. on a coil or Drum.
Der erfindungsgemäße Nähfaden hat den Vorteil, daß er zum ei nen optimal bondiert ist und zum anderen ohne Schwierigkeiten im industriellen Maßstab vernäht werden kann, ohne daß die eingangs diskutierten Auf- bzw. Entzwirnungen während des Nä hens in wesentlichem Ausmaß auftreten.The sewing thread according to the invention has the advantage that it for egg is optimally bonded and on the other hand without difficulty can be sewn on an industrial scale without the discussed at the beginning of twists and turns during the sewing hens occur to a significant extent.
Zur weiteren Verbesserung der Fadenlaufeigenschaften in einer Nähmaschinennadel können dem Vorläufermaterial und/oder dem Faden selbstverständlich noch Hilfsmittel bzw. Additive - et wa gemäß Anspruch 5 - zugemischt werden. Insbesondere können dem Bondierungsmittel noch Weichmacher zur Erhöhung der Ela stizität des nach der Aktivierung, insbesondere Polymerisie rung, entstandenen Produktes und/oder sogenannte Antiblock mittel, wie etwa pyrogene Kieselsäure, zur Herabsetzung der Oberflächenklebrigkeit zugesetzt werden.To further improve the thread running properties in one Sewing machine needle can be the precursor material and / or the Thread of course still aids or additives - et wa according to claim 5 - are mixed. In particular can the bonding agent also plasticizer to increase the Ela Stability of after activation, especially polymerisation tion, resulting product and / or so-called antiblock agents such as pyrogenic silica to reduce the Surface stickiness can be added.
Die erhöhte Bondierungswirkung wird in der Regel am vorteil haftesten durch eine Klebewirkung erzielt, wobei die einzel nen Filamente des Multifilamentbündels zusammengehalten wer den. The increased bonding effect is usually the most advantageous most adhesive achieved by an adhesive effect, the individual filaments of the multifilament bundle held together the.
Hierbei ist es von Vorteil, wenn das sich ergebende Produkt elastische Eigenschaften aufweist, weil es hierdurch sämtli che Bewegungen des Nähfadens während des Nähvorgangs mit macht, ohne, daß die Bondierungswirkung wesentlich nachläßt.Here it is advantageous if the resulting product has elastic properties because it is thereby all che movements of the sewing thread during the sewing process makes, without the bonding effect wears off significantly.
Die Maßnahmen der Ansprüche 4 und 14 weisen den Vorteil auf, daß eine Vielzahl von Vorläufermaterialien zur Verfügung steht, welche physikalisch und/oder chemisch in die jeweili gen Produkte umgewandelt werden können, wobei die Produkte vorzugsweise elastische Eigenschaften aufweisen.The measures of claims 4 and 14 have the advantage that a variety of precursor materials are available stands, which physically and / or chemically in the respective gene products can be converted, the products preferably have elastic properties.
Darüber hinaus kann eine physikalische Umwandlung jedoch auch darin bestehen, unlösliche Materialien, beispielsweise Stär ke, in ein lösliches Produkt, z. B. durch Erwärmen, umzuwan deln, welches dann die gewünschte Bondierungswirkung auf weist.In addition, physical conversion can also consist of insoluble materials such as starch ke, in a soluble product, e.g. B. by heating deln, which then the desired bonding effect points.
Ferner ist es mit den Hilfsstoffen gemäß Anspruch 5 bzw. 13 möglich, weitere Eigenschaften, wie beispielsweise Elastizi tät, Geschmeidigkeit, Gleitfähigkeit, Oberflächenklebrigkeit usw. einzustellen.Furthermore, it is with the auxiliaries according to claim 5 or 13 possible, other properties, such as Elastizi softness, smoothness, surface stickiness etc. to adjust.
Textilien, welche mit einer derartigen Naht vernäht sind, können auch mit Temperaturen von etwa 60°C bis 90°C gewaschen werden, ohne daß das aus dem Vorläufermaterial entstandene Produkt herausgelöst wird, da dieses eine in der Regel in dem angebenen Temperaturbereich nicht oder nur unbeachtlich was serlöslich ist.Textiles sewn with such a seam, can also be washed at temperatures of around 60 ° C to 90 ° C without the resulting from the precursor material Product is extracted as this is usually one in which specified temperature range not or only irrelevant what is soluble.
Die Ansprüche 8 bis 11 betreffen ein nähfähiges Flächengebil de, welches mit einem erfindungsgemäßen Nähfaden vernäht ist.Claims 8 to 11 relate to a sewable surface structure de, which is sewn with a sewing thread according to the invention.
Als Material für die zu verbindenden flächigen Stoffe kommen grundsätzlich sämtliche textilen Flächengebilde sowie Folien usw. wie etwa auch Papier, Leder und dergleichen in Frage. Besonders bevorzugt sind jedoch naturidentische Stoffe, deren Entsorgung problemlos ist bzw. die bei der Entsorgung etwa durch Verwendung als Futtermittel oder dergleichen zusätzli chen Nutzen haben. In diesem Sinne besonders geeignet sind textile Flächengebilde auf der Basis von organischen, nach wachsenden Fasern wie Baumwolle, Flachs, Leinen oder auch Seegras oder dergleichen, die in jeder beliebigen Weise ver arbeitet werden können.Coming as material for the flat materials to be joined basically all textile fabrics and foils etc., such as paper, leather, and the like. However, nature-identical substances are particularly preferred Disposal is problem-free or about the disposal by use as animal feed or the like benefits. Are particularly suitable in this sense textile fabrics based on organic, after growing fibers such as cotton, flax, or linen Seaweed or the like that ver in any way can be worked.
Die Seele des Fadens kann aus jedem geeigneten zugfesten Ma terial bestehen, welches mit dem Material der expandierbaren Oberflächenschichten kompatibel ist. So kann als Material für die Seele Baumwolle, Kevlar, Kohlefasern oder Glasfilament verwendet werden. Die Seele braucht jedoch grundsätzlich nicht aus einem gegenüber den Oberflächenschichten unter schiedlichen Material bestehen.The soul of the thread can be made of any suitable tensile strength exist material, which with the material of the expandable Surface layers is compatible. So as a material for the soul is cotton, kevlar, carbon fiber or glass filament be used. However, the soul basically needs not from one opposite to the surface layers different material.
Als zu bondierende Nähfäden kommen sämtliche im Stand der Technik üblichen Nähfäden in Betracht, insbesondere solche aus Baumwolle, Seide, Nylon, Polyamid, Polyester oder dgl.As sewing threads to be bonded, all come in the state of Technology usual sewing threads into consideration, especially those made of cotton, silk, nylon, polyamide, polyester or the like
Die weiteren Unteransprüche stellen bevorzugte Ausführungs formen der vorliegenden Erfindung dar.The further subclaims represent preferred embodiments form the present invention.
Weitere Vorteile und Merkmale der vorliegenden Erfindung er geben sich aufgrund der Beschreibung von Ausführungsbeispie len.Further advantages and features of the present invention he give themselves based on the description of execution examples len.
Zur Herstellung eines erfindungsgemäßen bondierten Nähfadens wird im Beispielsfalle ein Baumwolle- oder Polyesterfaden durch Eintauchen in eine wäßrige, thermisch aktivierbare La tex-Dispersion eingetaucht, welche eine wäßrige Dispersion eines Copolymerisates aus Acrylnitril, Butadien, Styrol und Methacrylsäure ist, welches vorzugsweise ein carboxyliertes Mischpolymerisat ist, das thermisch reaktive Gruppen trägt.For producing a bonded sewing thread according to the invention in the example, a cotton or polyester thread by immersion in an aqueous, thermally activated La immersed tex dispersion, which is an aqueous dispersion a copolymer of acrylonitrile, butadiene, styrene and Is methacrylic acid, which is preferably a carboxylated Is a copolymer that carries thermally reactive groups.
Nachdem der Nähfaden mit dem Vorläufermaterial durch Eintau chen imprägniert wurde, wurde das wenigstens an der äußeren Oberfläche des Nähfadens anhaftende Vorläufermaterial im Bei spielsfalle durch Heißluft bei ca. 180 bis 200°C aktiviert und somit bondiert.After thawing the sewing thread with the precursor material was impregnated, at least on the outside Precursor material adhering to the surface of the sewing thread Game trap activated by hot air at approx. 180 to 200 ° C and thus bonded.
Der unter den vorgegeben Bedingungen hergestellte Nähfaden hat den Vorteil, daß das aus dem Vorläufermaterial entstan dene Produkt besonders elastisch ist, ohne jedoch an der Na del haften zu bleiben.The sewing thread produced under the specified conditions has the advantage that this arises from the precursor material whose product is particularly elastic, but without the wet del stick to stick.
Ein derartig hergestellter Faden kann ohne weiteres auf Konen aufgewickelt werden und dann im industriellen Maßstab vernäht werden.A thread made in this way can easily be on cones be wound up and then sewn on an industrial scale become.
Ein derartiger Nähfaden zeigt bei Untersuchung keine wesent liche Aufdrillung. Darüber hinaus ist er über weite Tempera turbereiche lagerstabil.Such a sewing thread shows no essential when examined twist. In addition, he is over tempera door areas are stable in storage.
Ein handelsüblicher Nähfaden, beispielsweise ein Baumwollfa den, wird wie in Beispiel 1 durch eine wäßrige Lösung eines Copolymerisates aus Vinylchlorid und Vinylacetat sowie einem Weichmacher, im Beispielsfalle Diphenylphthalat, geführt. An schließend führt man den derart getränkten Faden einer Mikro welleneinrichtung zu, welche den Nähfaden bzw. das daran an haftende Vorläufermaterial aktiviert, insbesondere polymeri siert. A commercially available sewing thread, for example a cotton thread is, as in Example 1, by an aqueous solution of a Copolymers of vinyl chloride and vinyl acetate and one Plasticizers, diphenyl phthalate in the example. On then you close the thread of a micro soaked wave device to which the sewing thread or on it adhesive precursor activated, especially polymeric siert.
Dabei dient das Copolymerisat aus Vinylchlorid und Vinylace tat in Form einer wäßrigen Dispersion mit Cellulose als Sta bilisator als Vorläufermaterial und im Beispielsfalle wird hierzu Vinnol-Dispersion 50/25C, welche von der Wacker-Chemie AG vertrieben wird, verwendet.The copolymer of vinyl chloride and vinyllace is used did in the form of an aqueous dispersion with cellulose as Sta bilizer as a precursor material and in the example case Vinnol dispersion 50 / 25C, which is from Wacker-Chemie AG is used.
Hierbei ist es vorteilhaft, wenn man der Dispersion zusätzli che Mikrowellenabsorber wie Ruß, Graphit oder leitende Me talloxide oder dgl. zusetzt. Durch diese Art der Aktivie rungsbehandlung wird das Vorläufermaterial, im Beispielsfalle das Copolymerisat aus Vinylacetat und Vinylchlorid in ein Produkt umgewandelt, welches gute Bondierungseigenschaften aufweist.It is advantageous here if the dispersion is added che microwave absorbers such as soot, graphite or conductive Me talloxide or the like. Through this type of activation Treatment becomes the precursor material, in the example case the copolymer of vinyl acetate and vinyl chloride in one Product converted, which has good bonding properties having.
Selbstverständlich kann mit der vorliegenden Erfindung auch großtechnisch ein erfindungsgemäßer Nähfaden hergestellt wer den, wobei der Rohfaden mit einer Lösung aus der in der Tech nik üblichen Avivage unter Zusatz der erfindungsgemäßen Vor läufermaterialien und/oder Hilfsstoffe imprägniert wird.Of course, with the present invention, too A sewing thread according to the invention is produced on an industrial scale the, the raw thread with a solution from the in Tech nik usual finishing with the addition of the invention impregnated with runner materials and / or auxiliary materials.
Es ist jedoch bevorzugt, einen Avivage-freien Rohfaden zu verwenden und erst nach Aktivierung des Vorläufermateriales eine ggf. erforderliche Avivage bzw. Fadenausrüstung auf den Faden aufzubringen.However, it is preferred to use a finish-free raw thread use and only after activation of the precursor material any necessary finishing or threading equipment on the Thread.
Dabei ist es auch hier möglich, Mikrowellenabsorber, wie bei spielsweise Graphit, Ruß oder leitende Metalloxide zu der Avivage zuzugeben, so daß die Umwandlung des Vorläufermateri als zu dem Produkt mit den gewünschten Eigenschaften bevor zugt durch Mikrowellenabsorption durchgeführt werden kann.It is also possible here to use microwave absorbers, as with for example graphite, carbon black or conductive metal oxides to the Add finishing, so that the transformation of the precursor material than before to the product with the desired properties can be carried out by microwave absorption.
Claims (25)
Silikonharzen; Alkylsilikonharzen, Methylsilikonharzen; Arylsilikonharzen; Copolymerisaten aus Vinylchlorid und Vinylacetat; Vinylacetaten, insbesondere Polyvinylaceta ten, Ethylen-Vinylacetat-Copolymeren; Latexe (Latices), insbesondere Mischpolymerisate aus Styrol und Butadien, vorzugsweise carboxylierte Styrol-Butadien-Mischpolyme risate, die besonders bevorzugt thermisch reaktive Grup pen aufweisen; Polysacchariden, kaltwasserunlöslichen Polysaccharidprodukten; Estern aus Polysacchariden und anorganischen Säuren, Estern aus Polysacchariden und or ganischen Säuren; Polysaccharidethern; Stärken, Kartof felstärken; Estern aus Stärken und anorganischen Säuren, Estern aus Stärken und organischen Säuren; Stärkeethern, stickstoffhaltigen Stärkeethern, kationischen Stär keethern, insbesondere deren Salze; Acrylamiden, N- und C-substituierten Acrylamiden bzw. Acrylamidoligome ren; Acrylnitrilen; sowie deren Mischungen und Mischpo lymerisate bzw. Mischoligomerisate; wobei der Nähfaden ausgewählt wird aus der Gruppe bestehend aus: handelsüb lichen Nähfäden, insbesondere solche aus Baumwolle, Seide, Nylon, Polyamid, Polyester oder dgl.4. Sewing thread according to one of claims 1 to 3, characterized in that the precursor material is selected from the group consisting of:
Silicone resins; Alkyl silicone resins, methyl silicone resins; Aryl silicone resins; Copolymers of vinyl chloride and vinyl acetate; Vinyl acetates, especially polyvinyl acetates, ethylene-vinyl acetate copolymers; Latexes (latices), in particular copolymers of styrene and butadiene, preferably carboxylated styrene-butadiene copolymers, which particularly preferably have thermally reactive groups; Polysaccharides, cold water-insoluble polysaccharide products; Esters from polysaccharides and inorganic acids, esters from polysaccharides and organic acids; Polysaccharide ethers; Starches, potato starches; Esters from starches and inorganic acids, esters from starches and organic acids; Starch ethers, nitrogen-containing starch ethers, cationic starch, especially their salts; Acrylamides, N- and C-substituted acrylamides or acrylamide oligomers; Acrylonitriles; as well as their mixtures and Mischpo lymerisate or mixed oligomerisates; the sewing thread is selected from the group consisting of: commercially available sewing threads, in particular those made of cotton, silk, nylon, polyamide, polyester or the like.
üblichen Ausrüstungen für Fäden; natürlichen und synthe tischen Wachsen und Ölen; Paraffinen, insbesondere Pa raffinölen; Quervernetzern für wachsende Polymerketten, insbesondere Methylenbisacrylamid oder N,N,N′,N′-Tetramethylethylendiamin; Weichmachern, insbe sondere Dibutylphthalat, Glycerin; anorganischen Füll stoffen, organischen Füllstoffen; Aktivatoren; Radikal startern, Peroxiden, Metallorganylen, insbesondere Alu miniumorganyle; Antiblockmittel zum Herabsetzen der Oberflächenklebrigkeit, wie z. B. pyrogene Kieselsäure; sowie deren geeignete Mischungen.5. Sewing thread according to one of claims 1 to 4, characterized in that the thread contains additional auxiliary substances, selected from the group consisting of:
usual equipment for threads; natural and synthetic waxes and oils; Paraffins, especially paraffin oils; Crosslinkers for growing polymer chains, especially methylene bisacrylamide or N, N, N ', N'-tetramethylethylenediamine; Plasticizers, in particular special dibutyl phthalate, glycerin; inorganic fillers, organic fillers; Activators; Radical starters, peroxides, metal organyls, in particular aluminum organyls; Antiblocking agents to reduce the surface stickiness, such as. B. fumed silica; and their suitable mixtures.
daß die Hilfsstoffe Methylenbisacrylamid und N,N,N′,N′-Tetramethylethylendiamin sowie Glycerin sind.6. Sewing thread according to one of claims 1 to 5, characterized in that the precursor material is acrylamide; and
that the auxiliaries are methylenebisacrylamide and N, N, N ', N'-tetramethylethylenediamine and glycerin.
dadurch gekennzeichnet, daß
- a) ein Nähfaden wenigstens an seiner äußeren Oberflä che mit einem Vorläufermaterial eines Produktes imprä gniert wird; und
- b) der Nähfaden mit dem daran haftenden Vorläufermate rial einer Aktivierungsbehandlung unterzogen wird, wobei sich das Vorläufermaterial in das gewünschte Produkt um wandelt, und wobei das Produkt die einzelnen Filamente des Nähfaden-Multifilamentbündels derart zusammenhält, daß der Nähfaden bondiert wird.
characterized in that
- a) a sewing thread is impregnated at least on its outer surface with a precursor material of a product; and
- b) the sewing thread with the adhering precursor material is subjected to an activation treatment, the precursor material being converted into the desired product, and the product holding the individual filaments of the sewing thread multifilament bundle together in such a way that the sewing thread is bonded.
Silikonharzen; Alkylsilikonharzen, Methylsilikonharzen; Arylsilikonharzen; Copolymerisaten aus Vinylchlorid und Vinylacetat; Vinylacetaten, insbesondere Polyvinylaceta te, Ethylen-Vinylacetat-Copolymeren; Latexe (Latices), insbesondere Mischpolymerisate aus Styrol und Butadien, vorzugsweise carboxylierte Styrol-Butadien-Mischpolyme risate, die besonders bevorzugt thermisch reaktive Grup pen aufweisen; Polysacchariden, kaltwasserunlöslichen Polysaccharidprodukten; Estern aus Polysacchariden und anorganischen Säuren, Estern aus Polysacchariden und or ganischen Säuren; Polysaccharidethern; Stärken, Kartof felstärken; Estern aus Stärken und anorganischen Säuren, Estern aus Stärken und organischen Säuren; Stärkeethern, stickstoffhaltigen Stärkeethern, kationischen Stär keethern, insbesondere deren Salze; Acrylamiden, N- und C-substituierten Acrylamiden bzw. Acrylamidoligomeren; Acrylnitrilen; sowie deren Mischungen und Mischpolymeri sate bzw. Mischoligomerisate.14. The method according to claim 12 or 13, characterized in that the precursor material is selected from the group consisting of:
Silicone resins; Alkyl silicone resins, methyl silicone resins; Aryl silicone resins; Copolymers of vinyl chloride and vinyl acetate; Vinyl acetates, especially polyvinyl acetates, ethylene-vinyl acetate copolymers; Latexes (latices), in particular copolymers of styrene and butadiene, preferably carboxylated styrene-butadiene copolymers, which particularly preferably have thermally reactive groups; Polysaccharides, cold water-insoluble polysaccharide products; Esters from polysaccharides and inorganic acids, esters from polysaccharides and organic acids; Polysaccharide ethers; Starches, potato starches; Esters from starches and inorganic acids, esters from starches and organic acids; Starch ethers, nitrogen-containing starch ethers, cationic starch, especially their salts; Acrylamides, N- and C-substituted acrylamides or acrylamide oligomers; Acrylonitriles; as well as their mixtures and copolymers or mixed oligomerizates.
üblichen Ausrüstungen für Fäden; natürlichen und synthe tischen Wachsen und Ölen; Paraffinen, insbesondere Pa raffinölen; Quervernetzern für wachsende Polymerketten, insbesondere Methylenbisacrylamid oder N,N,N′,N′-Tetramethylethylendiamin; Weichmacher, insbe sondere Dibutylphthalat, Glycerin; anorganischen Füll stoffen, organischen Füllstoffen; Aktivatoren; Radikal startern, Peroxiden, Metallorganylen, insbesondere Alu miniumorganyle Antiblockmittel zum Herabsetzen der Ober flächenklebrigkeit, wie z. B. pyrogene Kieselsäure; sowie deren geeignete Mischungen.15. The method according to any one of claims 12 to 14, characterized in that additional auxiliaries are used in step a) and / or b), selected from the group consisting of:
usual equipment for threads; natural and synthetic waxes and oils; Paraffins, especially paraffin oils; Crosslinkers for growing polymer chains, especially methylene bisacrylamide or N, N, N ', N'-tetramethylethylenediamine; Plasticizers, in particular special dibutyl phthalate, glycerin; inorganic fillers, organic fillers; Activators; Radical starters, peroxides, metal organyls, especially aluminum minanyorganyle antiblocking agents to reduce the surface stickiness, such as. B. fumed silica; and their suitable mixtures.
in Schritt b) die Aktivierungsbehandlung durch Aufbrin gen von wäßrigen Peroxidlösungen, insbesondere Ammonium peroxidlösungen, und/oder UV-Beleuchtung durchgeführt wird.17. The method according to any one of claims 12 to 16, characterized in that in step a) as the precursor material acrylamide; as crosslinking auxiliaries methylenebis acrylamide and N, N, N ′, N′-tetramethylethylene diamine; and glycerin is used as a plasticizer; and
in step b) the activation treatment is carried out by applying aqueous peroxide solutions, in particular ammonium peroxide solutions, and / or UV lighting.
dadurch gekennzeichnet, daß
es in Form eines zu einem Produkt aktivierbaren Vorläu fermateriales vorliegt und ausgewählt wird aus der Grup pe bestehend aus:
Silikonharzen; Alkylsilikonharzen, Methylsilikonharzen; Arylsilikonharzen; Copolymerisaten aus Vinylchlorid und Vinylacetat; Vinylacetaten, insbesondere Polyvinylaceta ten, Ethylen-Vinylacetat-Copolymeren; Latexe (Latices), insbesondere Mischpolymerisate aus Styrol und Butadien, vorzugsweise carboxylierte Styrol-Butadien-Mischpolyme risate, die besonders bevorzugt thermisch reaktive Grup pen aufweisen; Polysacchariden, kaltwasserunlöslichen Polysaccharidprodukten; Estern aus Polysacchariden und anorganischen Säuren, Estern aus Polysacchariden und or ganischen Säuren; Polysaccharidethern; Stärken, Kartof felstärken; Estern aus Stärken und anorganischen Säuren, Estern aus Stärken und organischen Säuren; Stärkeethern, stickstoffhaltigen Stärkeethern, kationischen Stär keethern, insbesondere deren Salze; Acrylamiden, N- und C-substituierten Acrylamiden bzw. Acrylamidoligome ren; Acrylnitrilen; sowie deren Mischungen und Mischpo lymerisate bzw. Mischoligomerisate.25. bonding agent for sewing threads,
characterized in that
it is in the form of a preliminary material that can be activated for a product and is selected from the group consisting of:
Silicone resins; Alkyl silicone resins, methyl silicone resins; Aryl silicone resins; Copolymers of vinyl chloride and vinyl acetate; Vinyl acetates, especially polyvinyl acetates, ethylene-vinyl acetate copolymers; Latexes (latices), in particular copolymers of styrene and butadiene, preferably carboxylated styrene-butadiene copolymers, which particularly preferably have thermally reactive groups; Polysaccharides, cold water-insoluble polysaccharide products; Esters from polysaccharides and inorganic acids, esters from polysaccharides and organic acids; Polysaccharide ethers; Starches, potato starches; Esters from starches and inorganic acids, esters from starches and organic acids; Starch ethers, nitrogen-containing starch ethers, cationic starch, especially their salts; Acrylamides, N- and C-substituted acrylamides or acrylamide oligomers; Acrylonitriles; as well as their mixtures and Mischpo lymerisate or Mischoligomerisate.
Priority Applications (1)
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DE4327783A DE4327783A1 (en) | 1993-08-18 | 1993-08-18 | Bonded sewing thread, sheet-like structure sewn therewith and method for producing such a sewing thread |
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DE4327783A DE4327783A1 (en) | 1993-08-18 | 1993-08-18 | Bonded sewing thread, sheet-like structure sewn therewith and method for producing such a sewing thread |
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DE4327783A1 true DE4327783A1 (en) | 1995-02-23 |
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DE4327783A Withdrawn DE4327783A1 (en) | 1993-08-18 | 1993-08-18 | Bonded sewing thread, sheet-like structure sewn therewith and method for producing such a sewing thread |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6491975B1 (en) | 1995-10-17 | 2002-12-10 | Arteva North America S.A.R.L. | Process for making a bonded sewing thread with aqueous based bonding agents via foam delivery system |
EP4001328A1 (en) | 2020-11-24 | 2022-05-25 | Rudolf GmbH | Polymerizable composition for yarn sizing |
-
1993
- 1993-08-18 DE DE4327783A patent/DE4327783A1/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6491975B1 (en) | 1995-10-17 | 2002-12-10 | Arteva North America S.A.R.L. | Process for making a bonded sewing thread with aqueous based bonding agents via foam delivery system |
EP4001328A1 (en) | 2020-11-24 | 2022-05-25 | Rudolf GmbH | Polymerizable composition for yarn sizing |
EP4001329A1 (en) | 2020-11-24 | 2022-05-25 | Rudolf GmbH | Polymerizable composition for bonding fibre units |
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