EP0331215A2 - A process for laminating textiles - Google Patents

A process for laminating textiles Download PDF

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Publication number
EP0331215A2
EP0331215A2 EP89200041A EP89200041A EP0331215A2 EP 0331215 A2 EP0331215 A2 EP 0331215A2 EP 89200041 A EP89200041 A EP 89200041A EP 89200041 A EP89200041 A EP 89200041A EP 0331215 A2 EP0331215 A2 EP 0331215A2
Authority
EP
European Patent Office
Prior art keywords
adhesive
textile web
free
sprayed
textiles
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.)
Granted
Application number
EP89200041A
Other languages
German (de)
French (fr)
Other versions
EP0331215A3 (en
EP0331215B1 (en
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/en
Publication of EP0331215A2 publication Critical patent/EP0331215A2/en
Publication of EP0331215A3 publication Critical patent/EP0331215A3/en
Application granted granted Critical
Publication of EP0331215B1 publication Critical patent/EP0331215B1/en
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.
  • polyurethane melt adhesives can be used without any form of solvent.
  • 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 require strictlyments 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.

Abstract

In a process for laminating textiles, wherein a textile web (1) is coated with adhesive in a spraying station (3) and joined with a layer of wadding (8) or with another textile web when passing through a pair of rollers (9), the adhesive used is a moist curing solvent-­free polyurethane prepolymer of the mono-component type which is sprayed on the textile web under essentially anhydrous conditions, and then the laminate is allowed to cure in usual atmosphere having normal moisture.
Preferably, the adhesive maximum contains 1.5% free isocyanate, and it preferably has a viscosity of about 9000 mPa.s at 130 °C, a density of 1.1 and a softening point (ring/ball) of 45 °C. Such an adhesive is sprayed at about 190 °C, measured at the nozzle tips.
The result is a product having excellent properties with respect to washing fastness and softness, just as the drawbacks usually involved in spray lamination are avoided in the production.

Description

  • 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.
  • For use in the production of various types of clothing, including in particular T-shirts, sweatshirts and jogging clothing, but also for use in the production of materials for upholstery, car seat covers, quilts and sleeping bags, the weaving factories produce various laminated textiles as piecegoods for further processing at sewing workshops. 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. Generally, the process takes place in that the textile web is sprayed with the adhesive, and then the sprayed textile web is joined with the wadding in a roller system. 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.
  • In addition to these serious problems, 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.
  • It has been attempted to solve the problem by using water-­based adhesives, which, although they do not give rise to the above-mentioned working environment and health troubles, nevertheless do not provide the desired results as regards product quality.
  • To avoid having to work with liquid solvents it has been attempted to laminate textiles with cotton or synthetic wadding by means of an intermediate 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.
  • Finally, it has been attempted to perform the lamination by means of 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. When emanating from the heating tunnel, the web provided with adhesive is joined with the second web in a calender roller system.
  • In addition to dust problems this process has the drawback that it is very difficult to dose the powdered adhesive properly. Thus, underdosing means a risk of too poor adhesion, which influences the durability of the laminate, including washing fastness, while overdosing causes the powder to sink into the textile web. This results in an undesirably stiff product. Further, owing to the actual dosing form, satisfactory lamination necessitates using an amount of adhesive which is up to 20 times the theoretically necessary amount.
  • It has now surprisingly been found that it is possible to avoid all the above-mentioned drawbacks and to obtain a product having excellent uniformity and durability, if 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.
  • Their usefulness for the present purpose is due to the fact that - with careful observance of temperature and pressure conditions - they may be sprayed in fine threads (typically of the order of 1/10 mm) on the passing textile web. By suitable location of the necessary number of nozzles, each of which provides a "fan-shaped" pattern on the web, it is possible to obtain completely uniform and optimum spraying of glue in practice.
  • 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%. 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.
  • It has been found that the best results are obtained with a glue of this type when it is sprayed at a temperature (measured at the nozzle tip) of about 190 °C. A tem­perature of about 150 °C is maintained in glue tank and feed conduits.
  • Of course, other glue makes of the polyurethane pre­polymer type may be used. The working temperatures then depend upon the viscosity and the other properties of the glue in question.
  • 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. When pure, i.e. non-­impregnated textiles, are involved, these may be both natural and synthetic. The same applies to the wadding, which may e.g. be of cotton or polyester.
  • The invention is illustrated more fully by the following example.
    • EXAMPLE
  • 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.
  • During the entire passage of the glue from tank to heating furnace (not shown), 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.
  • If the TivoMelt 9600/41 glue, mentioned above, is used, 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.

Claims (7)

1. A process for laminating textiles, wherein a textile web is coated with an adhesive and joined with a layer of wadding or with another textile web when passing through a pair of rollers, characterized by using as adhesive a moist curing solvent-free poly­urethane prepolymer of the mono-component type which is sprayed on the textile web under essentially anhydrous conditions, and allowing the resulting laminate to cure in usual atmosphere with normal moisture.
2. A process according to claim 1, character­ized in that the adhesive maximum contains 1.5% free isocyanate, and that it has a viscosity of about 9000 mPa.s at 130 °C, a density of about 1.1 and a softening point (ring/ball) of 45 °C.
3. A process according to claim 2, character­ized by applying the adhesive at a temperature of about 190 °C, measured at the nozzle tips.
4. A laminated textile product, character­ized in that it is produced by a process according to any of claims 1-3.
5. Use of a moist curing solvent-free polyurethane pre­polymer of the mono-component type as adhesive in the lamination of textiles.
6. Use according to claim 5, characterized in that the adhesive maximum contains 1.5% free iso­cyanate, and that is has a viscosity of about 9000 mPa.s at 130 °C, a density of 1.1 and a softening point (ring/ball) of about 45 °C.
7. Use according to claim 5, characterised in that the application takes place at a temperature of about 190 °C, measured at the nozzle tips.
EP89200041A 1988-03-01 1989-01-09 A process for laminating textiles Expired - Lifetime EP0331215B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89200041T ATE74633T1 (en) 1988-03-01 1989-01-09 PROCESS FOR COATING TEXTILES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK108488A DK157833C (en) 1988-03-01 1988-03-01 PROCEDURE FOR LAMINING TEXTILES
DK1084/88 1988-03-01

Publications (3)

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

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP89200041A Expired - Lifetime EP0331215B1 (en) 1988-03-01 1989-01-09 A process for laminating textiles

Country Status (9)

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

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407247A1 (en) * 1989-06-29 1991-01-09 LAINIERE DE PICARDIE: Société anonyme Textile for stiffening
DE9017007U1 (en) * 1990-12-17 1991-03-07 Viktor Achter Gmbh & Co Kg, 4060 Viersen, De
US5407517A (en) * 1990-03-23 1995-04-18 Bayer Aktiengesellschaft Hotmelt bonding process
US5436051A (en) * 1993-07-26 1995-07-25 Velcro Industries, B.V. Hook and loop fasteners and method of making same
WO1996029459A1 (en) * 1995-03-17 1996-09-26 Courtaulds Textiles (Holdings) Limited 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
US6287407B1 (en) * 1997-07-02 2001-09-11 Firma Carl Freudenberg Structured textile material made of at least two base nonwoven fabrics and method for its manufacture
NL1021065C2 (en) * 2002-07-12 2004-01-20 Goede Beheer B V L Lamination of textiles comprises coating a length of textile with a moisture-curable polyurethane prepolymer in the presence of steam
EP1593724A1 (en) * 2004-05-05 2005-11-09 Imatep S.A. Use of solvent based reactive adhesives of high solids content for coating or laminating flexible substrates, in particular textile substrates using a heated spray nozzle
US7641968B2 (en) 2006-12-01 2010-01-05 Dic Corporation Moisture-curable polyurethane hot melt adhesive and multilayer sheet using the same
EP2248598A1 (en) * 2009-05-07 2010-11-10 Robatech AG Device with multiple dry air nozzles and method for discharging an adhesive
US8057885B2 (en) 2003-04-10 2011-11-15 Mip Inc. Washable underpad and method for producing an underpad of this type

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK232289D0 (en) * 1989-05-12 1989-05-12 Dansk Transfertryk PROCEDURE FOR DISCONTINUOUS LAMINATION OF TECHNICAL TEXTILES AND SIMILAR MATERIALS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495460A (en) * 1966-05-24 1967-09-22 Albert Maillard Ets Composite coating in particular for clothing, bedding or other items
DE1930340A1 (en) * 1969-06-14 1971-01-07 Bayer Ag Use of polyurethanes for the heat sealing of textile surfaces
US3847722A (en) * 1972-01-27 1974-11-12 Minnesota Mining & Mfg Impregnated materials for leak prevention

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Publication number Priority date Publication date Assignee Title
JPS6043356B2 (en) * 1976-10-12 1985-09-27 財団法人微生物化学研究会 Kanamycin C derivatives effective against resistant bacteria and their production method
CH636235B (en) * 1977-09-06 1900-01-01 Sandoz Ag PROCESS FOR THE PRODUCTION OF POLYURETHANES AND THEIR USE IN BINDER DISPERSIONS FOR BONDING FIBERS IN NON-WOVEN FABRICS.
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 (en) * 1985-05-15 1986-11-26 Toray Ind Inc Flexible napped sheet and production thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1495460A (en) * 1966-05-24 1967-09-22 Albert Maillard Ets Composite coating in particular for clothing, bedding or other items
DE1930340A1 (en) * 1969-06-14 1971-01-07 Bayer Ag Use of polyurethanes for the heat sealing of textile surfaces
US3847722A (en) * 1972-01-27 1974-11-12 Minnesota Mining & Mfg Impregnated materials for leak prevention

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407247A1 (en) * 1989-06-29 1991-01-09 LAINIERE DE PICARDIE: Société anonyme Textile for stiffening
FR2649866A1 (en) * 1989-06-29 1991-01-25 Picardie Lainiere TEXTILE FOR STITCHING AND METHOD OF MANUFACTURING THE SAME
US5424114A (en) * 1989-06-29 1995-06-13 Lainiere De Picardie Textile for stiffening and method of manufacturing same
US5407517A (en) * 1990-03-23 1995-04-18 Bayer Aktiengesellschaft Hotmelt bonding process
DE9017007U1 (en) * 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
WO1996029459A1 (en) * 1995-03-17 1996-09-26 Courtaulds Textiles (Holdings) Limited 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
US6287407B1 (en) * 1997-07-02 2001-09-11 Firma Carl Freudenberg Structured textile material made of at least two base nonwoven fabrics and method for its manufacture
US6398895B1 (en) 1997-07-02 2002-06-04 Firma Carl Freudenberg Structure textile material made of at least two base nonwoven fabrics and method for its manufacture
NL1021065C2 (en) * 2002-07-12 2004-01-20 Goede Beheer B V L Lamination of textiles comprises coating a length of textile with a moisture-curable polyurethane prepolymer in the presence of steam
US8057885B2 (en) 2003-04-10 2011-11-15 Mip Inc. Washable underpad and method for producing an underpad of this type
EP1593724A1 (en) * 2004-05-05 2005-11-09 Imatep S.A. Use of solvent based reactive adhesives of high solids content for coating or laminating flexible substrates, in particular textile substrates using a heated spray nozzle
US7641968B2 (en) 2006-12-01 2010-01-05 Dic Corporation Moisture-curable polyurethane hot melt adhesive and multilayer sheet using the same
CN101410473B (en) * 2006-12-01 2012-01-04 Dic株式会社 Moisture-curable polyurethane hot melt adhesive and multilayer sheet using the same
EP2248598A1 (en) * 2009-05-07 2010-11-10 Robatech AG Device with multiple dry air nozzles and method for discharging an adhesive
WO2010128019A1 (en) * 2009-05-07 2010-11-11 Robatech Ag Device comprising several dry air nozzles and method for dispensing an adhesive

Also Published As

Publication number Publication date
NO167706C (en) 1991-12-04
NO167706B (en) 1991-08-26
DK108488A (en) 1989-09-02
DE68901148D1 (en) 1992-05-14
JPH03167356A (en) 1991-07-19
DK157833C (en) 1991-04-29
EP0331215A3 (en) 1991-01-09
DK108488D0 (en) 1988-03-01
DK157833B (en) 1990-02-26
GR3004626T3 (en) 1993-04-28
ES2032098T3 (en) 1993-01-01
JPH0791769B2 (en) 1995-10-04
ATE74633T1 (en) 1992-04-15
EP0331215B1 (en) 1992-04-08
FI890157A0 (en) 1989-01-12
FI88455B (en) 1993-02-15
NO890164L (en) 1989-09-04
FI890157A (en) 1989-09-02
FI88455C (en) 1993-05-25
NO890164D0 (en) 1989-01-13

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