EP1215975A1 - Verfahren zum herstellen eines schuhs - Google Patents
Verfahren zum herstellen eines schuhsInfo
- Publication number
- EP1215975A1 EP1215975A1 EP00964209A EP00964209A EP1215975A1 EP 1215975 A1 EP1215975 A1 EP 1215975A1 EP 00964209 A EP00964209 A EP 00964209A EP 00964209 A EP00964209 A EP 00964209A EP 1215975 A1 EP1215975 A1 EP 1215975A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shoe
- plasma jet
- adhesive
- pretreated
- glued
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 14
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 14
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 4
- 238000002203 pretreatment Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 229920003023 plastic Polymers 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- 239000004831 Hot glue Substances 0.000 description 5
- 238000009832 plasma treatment Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical class [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B9/00—Footwear characterised by the assembling of the individual parts
- A43B9/12—Stuck or cemented footwear
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
- A43D25/20—Arrangements for activating or for accelerating setting of adhesives, e.g. by using heat
Definitions
- the invention relates to a method for producing a shoe, in particular a sports shoe, or individual components of a shoe, wherein the components of the shoe, in particular the shoe upper and the outsole, are bonded to one another and at least one of the surfaces to be bonded before the adhesive is applied pretreated.
- the adhesiveness is also reduced by the additives, some of which migrate from the inside to the surface of the plastic and in this way additionally impair the adhesiveness.
- additives include lubricants such as fatty acid amides or the silicone oils or stearates used as mold release agents in the injection molding process.
- Another reason for the poor adhesiveness of some plastics is due to their non-polar surfaces when a polar adhesive such as. B. an adhesive based on polyurethane should be used. From these few examples it can be seen that the poor adhesiveness can have different causes for each of the various combinations of a specific plastic and a specific adhesive.
- the surfaces to be bonded are pretreated in the prior art before the adhesive is applied.
- Applying such a primer has several serious disadvantages.
- the substances are generally harmful to health and therefore require a great deal of effort to protect the workforce.
- the application, the drying and the reaction take a long time and special work spaces and require a relatively large amount of personnel.
- plastics are generally mentioned, highly fluorinated polymers, e.g. B. PTFE, and metal surfaces, e.g. B. aluminum.
- the plasma jet mentioned is generated by blowing a working gas, in particular air, under normal pressure and at normal temperature through an electric arc.
- the so-called plasma jet is then obtained when the working gas emerges from the arc. It is not certain whether this is actually a plasma in the actual sense, namely a gas that is at least partially split into ions and electrons. It is essential, however, that this jet is suitable for pretreating plastic surfaces.
- the invention is therefore based on the object of saving work steps in the process of the type mentioned, only low investment costs should be necessary and, if possible, work should be solvent-free.
- the pretreatment only the surface to be glued should be pretreated, and the handling should be simple.
- the pretreatment process should be able to be carried out continuously and automatically.
- the apparatus used for this should take up little space so that existing production lines can be easily converted.
- This object is achieved according to the invention with the method mentioned at the outset by generating a plasma jet under normal pressure and using pretreated the surface to be glued to the jet.
- the plasma jet is directed onto the surface and in particular is moved over the surface.
- the linear plasma jet described in the last-mentioned document is used, since this z. B. in the pretreatment of outsoles allows uniform irradiation of the entire sole surface without the sole edges are pretreated. If, on the other hand, a single fixed plasma jet is used, a rather punctiform pretreatment of the surface to be bonded is achieved.
- the surface of foamed ethylene vinyl acetate (“diecut EVA”) cut from a block is pretreated exclusively with the plasma jet. It has been shown that additional treatment with solvents or primers is not necessary.
- the adhesive e.g. B. a reactive hot melt adhesive can still be applied after 14 days without the adhesive quality deteriorating. In a tear test, the tear does not occur within the adhesive, but within the ethylene vinyl acetate.
- the EVA must be washed or roughened, treated with a primer and dried. If a hot melt adhesive is used, the EVA must also be preheated in a last step. According to the invention, these steps are no longer necessary.
- the surface of thermoplastic rubber is pretreated exclusively with the plasma jet and the adhesive is applied to the optionally preheated surface.
- Preheating the surface is only necessary when using hot melt adhesives.
- this material must be treated with a halogenated solvent or a corresponding gas and with a primer which contains polyurethane in a solvent.
- the surface of injection molded (“injection molded") foamed ethylene vinyl acetate for the pretreatment is first roughened mechanically or with a solvent, or the surface is allowed to swell. The surface is then treated with the plasma jet. In this case, the relatively smooth surface must be partially roughened before the plasma treatment. Organic solvents or alkaline solutions can be used as solvents.
- the adhesive e.g. B. the reactive hot melt adhesive can be applied.
- the surface must be washed with a solvent, a UV primer applied, irradiated with ultraviolet light, and finally a primer which contains polyurethane in a solvent must be used.
- the solvent is dispensed with, and two working steps can be saved. Exemplary embodiments of the invention and comparative examples are explained in more detail below. The method according to the invention was applied to the following exemplary materials, each test being carried out several times:
- TR sole material standard test material based on styrene-butadiene-styrene rubber (SBSR) from the PFI Institute (testing and research institute for shoe manufacture e.V.)
- Test specimens with a length of 120 mm and a width of 30 mm were punched from these test materials. Without further pretreatment, the surface of these test specimens was pretreated using normal pressure plasma.
- the plasma pretreatment system System PlasmaTreat® from Agrodyn Hochhardstechnik GmbH was used. The treatment was carried out using the RD 1013 rotary unit, using the FG 1001 generator and the HTR 2001 high-voltage transformer.
- the distance between the surface to be treated and the outlet of the plasma jet from the RD 1013 rotary unit was 10 mm. Only in the case of the foamed ("injection molded") EVA materials was the surface additionally roughened by grinding in a further experiment before the plasma treatment.
- test bonding of these pretreated materials was carried out in accordance with DIN EN 522 (adhesives for leather and shoe materials, strength of the bonds) and DIN EN 1392 (solvent and dispersion adhesives, test methods for measuring the strength of bonds under specified conditions) against test leather (double split chrome leather standard test material from the Satra Institute).
- the reactive polyurethane hot melt adhesive Macroplast QR 8116 developed by Henkel KGaA was used as the adhesive. This adhesive was applied over the entire surface to the substrates using a slot die, the surface temperature being approximately 60 ° C., and was activated, set and pressed in accordance with EN 1392.
- peeling tests were carried out using a PFI tearing machine.
- the composites described above were clamped and pulled apart at an angle of 180 ° at a speed of 100 mm / min.
- the forces required to separate the bond during the peeling tests were recorded and averaged after the end of the measurement.
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1999146785 DE19946785A1 (de) | 1999-09-29 | 1999-09-29 | Verfahren zum Herstellen eines Schuhs |
| DE19946785 | 1999-09-29 | ||
| PCT/EP2000/009185 WO2001022843A1 (de) | 1999-09-29 | 2000-09-20 | Verfahren zum herstellen eines schuhs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1215975A1 true EP1215975A1 (de) | 2002-06-26 |
Family
ID=7923786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00964209A Withdrawn EP1215975A1 (de) | 1999-09-29 | 2000-09-20 | Verfahren zum herstellen eines schuhs |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1215975A1 (de) |
| DE (1) | DE19946785A1 (de) |
| WO (1) | WO2001022843A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITBO20040180A1 (it) * | 2004-03-31 | 2004-06-30 | Mario Ciucani | Metodo per l'applicazione di collante su una superficie di un articolo |
| RU2356482C2 (ru) * | 2006-07-20 | 2009-05-27 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный технологический университет" | Способ обработки заготовки верха обуви из натуральной кожи после обтяжно-затяжных операций |
| CN103190737A (zh) * | 2012-01-10 | 2013-07-10 | 汪腊新 | 一种鞋业常压等离子表面处理自动化装置 |
| DE102012010246B3 (de) * | 2012-05-24 | 2013-10-02 | Heraeus Noblelight Gmbh | Verfahren zur Herstellung von Schuhen oder Teilen von Schuhen |
| US20190177912A1 (en) * | 2017-12-13 | 2019-06-13 | Nike, Inc. | Method and system for plasma treatment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5682827A (en) * | 1979-12-11 | 1981-07-06 | Mitsubishi Petrochem Co Ltd | Surface treatment of propylene composite resin molded article |
| DE3713178A1 (de) * | 1987-04-17 | 1988-11-03 | Bayer Ag | Verfahren zur herstellung eines verbundsystems aus einem gummielastischen material und einer polyurethanschaumstoff-schicht |
| FR2692276A1 (fr) | 1992-06-12 | 1993-12-17 | Bostik Sa | Procédé de préparation de surface en vue du collage d'articles en polyoléfine, articles ainsi obtenus et application à l'industrie de la chaussure. |
| DE19532412C2 (de) * | 1995-09-01 | 1999-09-30 | Agrodyn Hochspannungstechnik G | Vorrichtung zur Oberflächen-Vorbehandlung von Werkstücken |
| DE29805999U1 (de) | 1998-04-03 | 1998-06-25 | Agrodyn Hochspannungstechnik GmbH, 33803 Steinhagen | Vorrichtung zur Plasmabehandlung von Oberflächen |
| AU4973799A (en) * | 1998-07-07 | 2000-01-24 | Metroline Industries, Inc. | Methods for plasma modification of substrates |
-
1999
- 1999-09-29 DE DE1999146785 patent/DE19946785A1/de not_active Ceased
-
2000
- 2000-09-20 WO PCT/EP2000/009185 patent/WO2001022843A1/de not_active Ceased
- 2000-09-20 EP EP00964209A patent/EP1215975A1/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0122843A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19946785A1 (de) | 2001-04-26 |
| WO2001022843A1 (de) | 2001-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| 17P | Request for examination filed |
Effective date: 20020320 |
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| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
| 17Q | First examination report despatched |
Effective date: 20030805 |
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| RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH CY DE FR GB IT LI |
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| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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| RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20060211 |