EP0331215B1 - Verfahren zum Beschichten von Textilien - Google Patents

Verfahren zum Beschichten von Textilien Download PDF

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Publication number
EP0331215B1
EP0331215B1 EP89200041A EP89200041A EP0331215B1 EP 0331215 B1 EP0331215 B1 EP 0331215B1 EP 89200041 A EP89200041 A EP 89200041A EP 89200041 A EP89200041 A EP 89200041A EP 0331215 B1 EP0331215 B1 EP 0331215B1
Authority
EP
European Patent Office
Prior art keywords
adhesive
textile web
sprayed
textiles
wadding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89200041A
Other languages
English (en)
French (fr)
Other versions
EP0331215A3 (de
EP0331215A2 (de
Inventor
Knud V. Rasmussen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CESSIONE;TEXMACH B.V.
Original Assignee
Stork Brabant BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stork Brabant BV filed Critical Stork Brabant BV
Priority to AT89200041T priority Critical patent/ATE74633T1/de
Publication of EP0331215A2 publication Critical patent/EP0331215A2/de
Publication of EP0331215A3 publication Critical patent/EP0331215A3/de
Application granted granted Critical
Publication of EP0331215B1 publication Critical patent/EP0331215B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics
    • D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
    • D06M17/10—Polyurethanes polyurea

Definitions

  • the present invention concerns a process of the type defined in the introductory portion of claim 1 for laminating textiles, and the process of the invention is characterized by the features defined in the characterizing portion of claim 1.
  • Laminated textiles for the above-mentioned purposes frequently consist of a textile web to which there is adhered a layer of natural or synthetic wadding, or of two textile webs between which a layer of wadding may be placed.
  • Such laminates are produced by machine bonding the individual layers with a suitable adhesive.
  • the adhesive used is often a solvent-based polyurethane, where the mixture of polyurethane and solvent contains up to 90% solvent to ensure a consistency which makes the adhesive suitable for spraying with spray guns.
  • Even with the most effective suction systems it is impossible in practice to avoid occurrence of unhealthy concentrations of the solvent (most frequently ethyl acetate) in the air during the process, and these high concentrations involve various physical troubles, such as air passage irritation, dizziness, headache and at worst concentration and memory problems. To this should be added pregnant women's potential risk of embryonic or fetal deformities.
  • the produced product bears the stamp of the intensive solvent treatment because the smell of the solvent sticks to the fabric for a long time and is often difficult to wash out.
  • tissue of high density polyethylene or polypropylene.
  • the tissue may also be produced from other polymers or polymer mixtures.
  • the polymer serves as a hot melt adhesive when - interposed between the webs to be laminated - it is moved through a roller system under controlled pressure.
  • the process is desirable from an environmental point of view because no vapours are released during the passage through the roller system, and the process can moreover be performed easily and rapidly, but it is vitiated by the drawback that an adequately strong tissue is necessary to ensure sufficient washing fastness of the finished laminate. If a tissue is used which is strong enought to ensure good washing fastness, the result will be a too stiff product which is inconvenient to wear.
  • powdered adhesives most frequently in the form of polyamides, polyesters, low or high pressure polyethylenes, ethylene vinyl acetate copolymers or various mixed polymerisates.
  • the powdered adhesive is sprinkled over the textile web, which is then moved through a heating tunnel to melt the powder.
  • the web provided with adhesive is joined with the second web in a calender roller system.
  • the adhesive is a moist curing mono-component polyurethane prepolymer which is sprayed on the textile web under essentially anhydrous conditions. After the textile web coated with adhesive has been joined with a web of wadding and after rolling-up of the resulting laminate, the laminate is allowed to cure in an atmosphere of normal moisture to provide a product having extremely good properties.
  • the advantage of using an adhesive of this type is primarily that polyurethane melt adhesives can be used without any form of solvent. Secondly, such adhesives may be used in considerably smaller amounts than other melt adhesives.
  • the process of the invention uses just 1 to 3 g of adhesive per m2 , where other melt adhesives are to be used in amounts of up to 10 to 20 g per m2 to provide sufficient washing fastness. So large amounts of adhesive make the laminate stiff and unelastic, whereas the process of the invention results in a pliable and elastic laminate which also has excellent washing features.
  • Adhesives of the type used in the process of the invention have been known for some time. Thus, they have been used for one-sided gluing of plane objects of various foam materials and in other forms of gluing where only minor tensions occur. Moreover, they may be applied to wood, metal and many plastic material, just as they can replace contact glue in many cases.
  • a very suitable adhesive for the purpose is TivoMelt 9600/41 from Tivoli Werke AG, Hamburg.
  • This adhesive is a moist curling polyurethane prepolymer of the hot melt type. It contains maximum 1.5% free isocyanate (NCO) and no solvent, i.e. the content of dry matter is 100%.
  • NCO free isocyanate
  • the viscosity is around 9000 mPa.s at 130 °C, the density is about 1.1 and the softening point (ring/ball) is 45 °C.
  • the flash point of the product is above 200 °C.
  • the process of the invention makes no special requirements as to the type of the wadding and textile material used, except that silicone treated (water repelling) textiles are not suitable since the glue exhibits poor adhesion to such materials.
  • silicone treated (water repelling) textiles When pure, i.e. non-impregnated textiles, are involved, these may be both natural and synthetic.
  • the wadding which may e.g. be of cotton or polyester.
  • the figure shows a machine for the use in the performance of the process of the invention.
  • the textile web is unwound from a supply 1 and passed via a roller system 2 to the spraying station 3 where the adhesive is sprayed on the textile web by means of a plurality of nozzles 4 under pressure and at a temperature carefully determined by means of a thermostat, said textile web being supported by an endless carrier band 5 which rotates about a roller system 6.
  • the wadding is unwound continuously from the supply roll 7, the accumulation region 8 ensuring that the web can be directed evenly to the pair of rollers 9 in which it is joined with the textile web coated with glue.
  • the nozzles ensure moist-free conditions, e.g. by maintaining a carbonic acid pressure in the tank, to prevent premature curing.
  • the laminated web is passed to a take-up device 10 and is allowed to cure after winding-up in normal moist atmosphere for about 24 hours.
  • the result is an excellent, pliable laminate having great strength and fastness.
  • the temperature at spraying must be 190 to 195 °C.
  • This high temperature is obtained by means of special nozzles provided with heating elements embedded in aluminium. The temperature is raised only shortly before the nozzle tip, while it is maintained at a lower value, typically about 150 °C, during the passage through the conduits.
  • the pressure in the nozzles is typically more than twice the normal pressure in such nozzles.
  • the laminated textile web may be passed through the system once more with the purpose of producing a double textile web with wadding therebetween.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
  • Laminated Bodies (AREA)
  • Gloves (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Secondary Cells (AREA)
  • Inert Electrodes (AREA)
  • Photovoltaic Devices (AREA)
  • Nonwoven Fabrics (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (7)

1. Ein Verfahren zum Laminieren von Textilien, bei dem eine textilbahn mit einem Kleber beschichtet und mit einer Wattierungsschicht oder mit einer anderen Textilbahn verbunden wird, während sie durch ein Paar von Walzen hindurchbewegt wird, gekennzeichnet durch die Benutzung eines feuchtigkeitsaushärtenden, lösungsmittelfreien Polyurethanvorpolymers der Einkomponententype als Kleber, der auf die Textilbahn unter im wesentlichen wasserfreien Bedingungen aufgesprüht wird, und durch Aushärtenlassen des entstehenden Laminates in herkömmlicher Atmosphähre mit normaler Feuchtigkeit.
2. Ein Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Kleber maximal 1,5% freies Isozyanat enthält, daß er eine Viskosität von ungeführ 9000 mPa.s bei 130° C, eine Dichte von ungefähr 1,1 und einen Erweichungspunkt (Ring/Kugel) von 45° C aufweist.
3. Ein Verfahren nach Anspruch 2, gekennzeichnet durch die Aufbringung des Klebers bei einer Temperatur von ungefähr 190° C, gemessen an den Düsenspitzen
4. Ein laminiertes Textilprodukt, dadurch gekennzeichnet, daß es durch ein Verfahren nach einem der Ansprüche 1 bis 3 hergestellt worden ist.
5. Anwendung eines feuchtigkeitsaushärtenden, lösungsmittelfreien Polyurethanvorpolymerisats der Einzelkomponententype als Kleber bei der Laminierung von Textilien.
6. Anwendung nach Anspruch 5, dadurch gekennzeichnet, daß der Kleber maximal 1,5% freies Isozyanat enthält, und daß er eine Viskosität von ungefähr 9000 mPa.s bei 130° C, eine Dichte von 1,1 und einen Erweichungspunkt (Ring/Kugel) von ungefähr 45° C aufweist.
7. Anwendung nach Anspruch 5, dadurch gekennzeichnet, daß die Aufbringung bei einer Temperatur von ungefähr 190° C vorgenommen wird, gemessen an den Düsenspitzen.
EP89200041A 1988-03-01 1989-01-09 Verfahren zum Beschichten von Textilien Expired - Lifetime EP0331215B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89200041T ATE74633T1 (de) 1988-03-01 1989-01-09 Verfahren zum beschichten von textilien.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK108488A DK157833C (da) 1988-03-01 1988-03-01 Fremgangsmaade til laminering af tekstiler
DK1084/88 1988-03-01

Publications (3)

Publication Number Publication Date
EP0331215A2 EP0331215A2 (de) 1989-09-06
EP0331215A3 EP0331215A3 (de) 1991-01-09
EP0331215B1 true EP0331215B1 (de) 1992-04-08

Family

ID=8100821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89200041A Expired - Lifetime EP0331215B1 (de) 1988-03-01 1989-01-09 Verfahren zum Beschichten von Textilien

Country Status (9)

Country Link
EP (1) EP0331215B1 (de)
JP (1) JPH0791769B2 (de)
AT (1) ATE74633T1 (de)
DE (1) DE68901148D1 (de)
DK (1) DK157833C (de)
ES (1) ES2032098T3 (de)
FI (1) FI88455C (de)
GR (1) GR3004626T3 (de)
NO (1) NO167706C (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK232289D0 (da) * 1989-05-12 1989-05-12 Dansk Transfertryk Fremgangsmaade til diskontinuerlig laminering af tekniske tekstiler og lignende materialer
FR2649866B1 (fr) * 1989-06-29 1993-09-17 Picardie Lainiere Textile destine a l'entoilage et son procede de fabrication
EP0448825A3 (en) * 1990-03-23 1992-04-29 Bayer Ag Melt adhesive process
DE9017007U1 (de) * 1990-12-17 1991-03-07 Viktor Achter Gmbh & Co Kg, 4060 Viersen, De
US5436051A (en) * 1993-07-26 1995-07-25 Velcro Industries, B.V. Hook and loop fasteners and method of making same
GB9505403D0 (en) * 1995-03-17 1995-05-03 Courtaulds Textiles Holdings Process for manufacturing laminated fabrics
US5656351A (en) * 1996-01-16 1997-08-12 Velcro Industries B.V. Hook and loop fastener including an epoxy binder
US5723534A (en) * 1996-10-11 1998-03-03 Polyfoam Products, Inc. Two part polyurethane-based adhesive system
EP0888743A1 (de) * 1997-07-02 1999-01-07 Firma Carl Freudenberg Strukturiertes Textilmaterial aus mindestens zwei Basisvliesen und Verfahren zur seiner Herstellung
NL1021065C2 (nl) * 2002-07-12 2004-01-20 Goede Beheer B V L Werkwijze voor het lamineren van textiel.
NL1023144C2 (nl) 2003-04-10 2004-10-13 Goyarts B V Wasbare onderlegger en werkwijze voor het vervaardigen van een dergelijke onderlegger.
EP1593724A1 (de) * 2004-05-05 2005-11-09 Imatep S.A. Verwendung lösemittelbasierter Reaktivklebstoffe mit hohem Feststoffanteil zum Beschichten oder Laminieren flexibler Substrate, insbesondere textiler Substrate, bevorzugt mittels eines beheizten Sprühauftrags
KR101004339B1 (ko) * 2006-12-01 2010-12-28 디아이씨 가부시끼가이샤 습기 경화성 폴리우레탄 핫멜트 접착제 및 이것을 사용한 적층 시트
EP2248598B2 (de) * 2009-05-07 2016-06-08 Robatech AG Vorrichtung mit mehreren Trockenluftdüsen sowie Verfahren zum Abgeben eines Klebstoffs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495460A (fr) * 1966-05-24 1967-09-22 Albert Maillard Ets Revêtement composite notamment pour vêtements, articles de literie ou autres
DE1930340B2 (de) * 1969-06-14 1976-11-18 Bayer Ag, 5090 Leverkusen Heissversiegelung von textilen flaechengebilden
US3847722A (en) * 1972-01-27 1974-11-12 Minnesota Mining & Mfg Impregnated materials for leak prevention
JPS6043356B2 (ja) * 1976-10-12 1985-09-27 財団法人微生物化学研究会 耐性菌に有効なカナマイシンｃ誘導体およびそれらの製造法
CH636235B (de) * 1977-09-06 1900-01-01 Sandoz Ag Verfahren zur herstellung von polyurethanen und deren verwendung in binderdispersionen zum verkleben von fasern in vliesstoffen.
US4293814A (en) * 1979-08-08 1981-10-06 Ford Motor Company Crankshaft position sensor circuitry for providing stable cyclical output signals without regard to peak to peak variations in sensor signals
JPS61266678A (ja) * 1985-05-15 1986-11-26 Toray Ind Inc 柔軟性立毛シ−トおよびその製造方法

Also Published As

Publication number Publication date
NO890164L (no) 1989-09-04
GR3004626T3 (de) 1993-04-28
ES2032098T3 (es) 1993-01-01
EP0331215A3 (de) 1991-01-09
DK108488D0 (da) 1988-03-01
DK108488A (da) 1989-09-02
NO890164D0 (no) 1989-01-13
FI88455B (fi) 1993-02-15
FI88455C (fi) 1993-05-25
DK157833B (da) 1990-02-26
DE68901148D1 (de) 1992-05-14
DK157833C (da) 1991-04-29
FI890157A (fi) 1989-09-02
FI890157A0 (fi) 1989-01-12
NO167706B (no) 1991-08-26
JPH03167356A (ja) 1991-07-19
NO167706C (no) 1991-12-04
JPH0791769B2 (ja) 1995-10-04
EP0331215A2 (de) 1989-09-06
ATE74633T1 (de) 1992-04-15

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