EP1082031B1 - Procede pour produire des pieces de fermeture par contact - Google Patents

Procede pour produire des pieces de fermeture par contact Download PDF

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Publication number
EP1082031B1
EP1082031B1 EP98928314A EP98928314A EP1082031B1 EP 1082031 B1 EP1082031 B1 EP 1082031B1 EP 98928314 A EP98928314 A EP 98928314A EP 98928314 A EP98928314 A EP 98928314A EP 1082031 B1 EP1082031 B1 EP 1082031B1
Authority
EP
European Patent Office
Prior art keywords
coating
adhesive
adhesive closing
sol
gel
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
EP98928314A
Other languages
German (de)
English (en)
Other versions
EP1082031A1 (fr
Inventor
Axel Schulte
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.)
Gottlieb Binder GmbH and Co KG
Original Assignee
Gottlieb Binder GmbH and Co KG
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 Gottlieb Binder GmbH and Co KG filed Critical Gottlieb Binder GmbH and Co KG
Priority to PT98928314T priority Critical patent/PT1082031E/pt
Publication of EP1082031A1 publication Critical patent/EP1082031A1/fr
Application granted granted Critical
Publication of EP1082031B1 publication Critical patent/EP1082031B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0069—Details
    • A44B18/0076—Adaptations for being fixed to a moulded article during moulding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2725—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] with feature facilitating, enhancing, or causing attachment of filament mounting surface to support therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • Y10T428/24017—Hook or barb

Definitions

  • the invention relates to a method for producing adhesive fastener elements having adhesive fastener parts made of plastic materials, the under Formation of a fastener with corresponding fastener elements another fastener part cooperate, the Adhesive fastener part with the adhesive fastener elements at least partially a coating is provided, the layer thickness of which is selected in such a way that the subsequent formation of the fastener is guaranteed.
  • a manufacturing process for manufacturing this kind of fastener parts from Plastic materials are described in DE 196 46 318 A1.
  • related known manufacturing method for producing a hard closure part with a variety of one-piece fastener elements in the form of thickened stems thermoplastic, in particular polyolefin or polyamide, in plastic or liquid state a gap between a pressure roller and fed to a forming roll, the forming roll with to the outside and inside open cavities and both rollers in opposite Direction of rotation.
  • the form roller has a sieve on whose cavities are produced by etching or by means of a laser have been created, the adhesive fastener elements resulting solely from that the thermoplastic in the open cavities of the sieve the form roller hardened.
  • the thickening of the stems mentioned are in the form of flattened or concave depressions Mushroom heads trained.
  • the adhesive fasteners produced in this way are used in many different ways, for example in automotive engineering, floor laying technology, for clothing of any kind and in special fields of application in mechanical engineering.
  • the fasteners have proven to be a releasable in these areas and reliable connection and locking technology.
  • EP-A-0418 951 discloses a method for producing adhesive fastener elements for an adhesive fastener in which the hard fastener elements with a coating of a pressure sensitive adhesive be provided.
  • the adhesive coating is intended to serve the Adhesive or locking forces of the known adhesive fastener increase.
  • a generic method is known from EP-A-0829 563, at which the fastener elements in the form of loops with a coating be provided with fluorocarbon.
  • the known coating is basically an impregnation process in which the fluorocarbon penetrates into the plastic material of the fastener elements and thus the foam rejection when foaming the adhesive closure serves. The possible uses of the fastener part impregnated in this way are restricted.
  • the coating applied using the sol-gel process is foam-repellent and acts on the possible penetration of the foam material Foaming effectively counter, although the foam has viscosities can be less than that of water.
  • the coating applied by the sol-gel process can be Form nanocomposite, i.e. the layer thickness is pronounced low and only a few molecular strengths of the respective coating agent exhibit. Because of this small layer thickness, the Adhesive fastener elements are completely covered, but are nevertheless not impaired in their functionality, i.e. you can share with others if necessary coated fastener elements of another fastener part be connected to form the adhesive fastener.
  • the coating obtained by the sol-gel process can be provided with ferromagnetic properties, so that the very flat and preferably with plate-shaped ends of the fastener elements easily by hand into the magnetized one Allow the foam mold to be inserted, being there over the magnetic forces of the coating agent are held with the result that additional Fixation aids can be dispensed with.
  • the coating obtained by the sol-gel process can be with color additives and / or media to protect against ultraviolet radiation.
  • the coating agent can be provided with microwave absorbing and / or reflecting and / or infrared absorbing and / or reflecting properties provided to increase the possible uses in the locking technology.
  • the additives in question including in the form of ferrite or Magnetite material can be in microencapsulated form, i.e. as Encapsulation of finely dispersed, liquid or solid phases by encapsulation with film-forming polymers that develop after emulsification and coacervation or interfacial polymerization on the material to be encased.
  • the adhesive fastener part 10 shown in Figure 2 has an upper one Hinge side a variety of fastener elements 12, which correspond with trained fastener elements of another fastener part cooperate to form a conventional adhesive fastener (not shown).
  • the relevant fastener parts 10 are usually band-shaped or otherwise have a flat geometry and can be, for example, by a method such as that in DE 196 46 318 A1 is described.
  • the adhesive fastener elements 12 thus produced can only be a fraction of Be millimeters in size and preferably have flat free ends for one effective connection with the correspondingly designed fastener elements.
  • On the side opposite the adhesive fastener elements 12 of the fastener part 10 are for a full-surface connection with the Foam material 14 usual connecting loops (not shown) are provided.
  • a foaming mold 16 is provided for the foaming process, which is common is divided into two and after closing them under pressure and temperature the foam material 14 is introduced. Once the foam material 14 to provided foam body, for example made of polyurethane, is cured, the foam body is removed from the mold, then on the free Side of the foam body protrude the fastener elements 12 and otherwise the fastener part 10 is firmly connected to the foam 14. In the Foam mold 16, which is usually via steel and / or magnetic inserts 18 is required before the foaming process by hand Adhesive fastener part 10 inserted, the fastener elements 12 of the Foam mold 16 are facing.
  • the foam material 14 does not damage the intermediate distances can occur between the fastener elements 12, these are provided at least partially with a foam-repellent coating 20, as well as that side of the fastener part 10 that the fastener elements 12 is facing.
  • the coating 20 is made from a sol gel formed, which can be oleophobic and / or hydrophobic. So that Functionality of the fastener elements 12 is not adversely affected the sol-gel as a nanocomposite coating on the foam-repellent side of the fastener part 10 sprayed or doctored. Nanocomposite means that the coating in terms of its layer thickness in the nanometer range of Coating material is. Due to a thin layer thickness hence the later combination with the associated fastener elements of the other fastener part not affected.
  • An aqueous mixture of is preferably used to maintain the sol Iron (II) chloride (40 ml, 1 mol) and iron (III) chloride (10 ml, 2 mol in hydrochloric acid 2 mol) of an ammonia solution (500 ml, 0.7 mol) was added.
  • the gelatinous Precipitation is by centrifugation or decanting under the influence of a magnet isolated but not washed out in water. Then there are two Ways to treat this rainfall.
  • an alkaline ferrofluid for maintaining an alkaline Sols, in particular an alkaline ferrofluid, is made by this Peptization of the precipitate with an aqueous 1 mol tetramethylammonium hydroxide solution where, however, to obtain an acidic sol, the Precipitate stirred with an aqueous 2-M perchloric acid and then is isolated by centrifugation. In this case, the peptization is caused by Water addition completed.
  • Iron concentrations greater than one molar can be obtained in these alkaline or acidic magnetic sols. It is surprising that a sol is only obtained if the ratio of iron (III) to iron (II) is greater than 2 (as in Fe 3 O 4 ). By starting with a 2: 1 mixing ratio and working under nitrogen, precipitates are obtained which cannot be peptized, but which lead to a stable sol with a larger initial ratio or by oxidation under air.
  • Sol is the name for a colloidal solution in which a solid or liquid Finely divided substance in a solid, liquid or gaseous form Medium is dispersed.
  • gaseous dispersion media one speaks of Aerosols, for solid vitreosols, for liquid lyosols. lyosols one divides again into the organosols and hydrosols, depending on whether it is a suspension in organic or aqueous phase.
  • Coagulation By Coagulation (flocculation, flocculation) turns a sol into a gel, whereby gels the derived name of gelatin are for from colloid chemistry well-known dimensionally stable, easily deformable, on liquids and gases rich disperse systems consisting of at least two components, which mostly consist of a solid, colloidally divided substance with long or highly branched particles and a liquid (usually water) as a dispersant.
  • the Fe x O y nanosol obtained in this way is mixed with a commercially available modified SiO 2 or SiO 2 -TiO 2 sol and sprayed onto the adhesive fastener part 10 with its adhesive fastener elements 12 and fixed there by drying.
  • the layer thickness is so thin that the effect of the individual fastener elements for the closure process is not adversely affected.
  • the peptization referred to here means the transition of a coagulate into a disperse (colloidal) system.
  • the system has a ferromagnet for the ferromagnetic properties (e.g. ferrite), this is done using microencapsulation, for example through storage in the sol in a stable and at the same time flexible Layer.
  • the maximum thickness of these microcapsules is less than 0.2 mm.
  • Microencapsulation is the name for the encapsulation finely dispersed liquid or solid phases by coating with film-forming Polymers that develop after emulsification and coacervation or interfacial polymerization on the material to be wrapped.
  • the such microscopic capsules (sometimes one speaks of nanocapsulation) can usually be dried.
  • doctor blade processes or spray processes are suitable for a sol-gel application to create the desired nanocomposite coating, where the ferromagnetic content in the coating mass in percent by weight is between 5 and 70%, but preferably 30% lies.
  • the ferromagnetic content in the coating mass in percent by weight is between 5 and 70%, but preferably 30% lies.
  • the Obtaining a ferromagnetic sol gel can also precipitate magnetite.
  • a improved, anti-foaming effect can still be achieved if the Coating agent 20 a hydrophobizing agent is added, the The viscosity of the coating agent can be adjusted using ethanol.
  • the viscosity of the solution is varied with ethanol Coating process set, being sufficiently low Viscosity of the coating mass a further increased accumulation of ferrite in the Determines the reason of the coating.
  • the coating 20 can be made by padding, dipping, spraying, pouring, Evaporation, lamination or knife coating and lamination on the hard closure part 10 are applied.
  • the coating 20 as shown in FIG different wall thicknesses, the individual fastener element 12 completely envelope; the order in question, for example by lamination or knife coating and lamination can also only consist in that the free ends of the fastener elements 12 are coated, but not their stem or that side of the fastener part 10 which the fastener elements 12 is facing.
  • the respective layer can also be in the form of drops cured or forms sections separated from each other Layer piece parts. If the coating 20 with ferrite or magnetite or other additives, it can become a due to the weight Enrichment of the additives come at the bottom of the fastener part 10.
  • a spray adhesive is used as the coating agent 20, this has preferably 10% magnetite, 10% solvent-containing polyurethane (Stahl Su9182) and 80% ethanol.
  • a carrier material for example, is used for a so-called transfer coating in the form of a foil or paper, with 40% magnetite and 60% solvent-based Provided polyurethane and so on the head side of the fastener elements 12 hung up. After drying, the lamination material is then (Foil or paper) peeled off the adhesive fastener part 10 and the transfer agent or laminate is a permanent component of the adhesive fastener part 10th

Landscapes

  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Glass Compositions (AREA)

Claims (11)

  1. Procédé de fabrication de pièces pour fermeture agrippante (10) présentant des éléments pour fermeture agrippante (12) en matières plastiques qui, en formant une autre fermeture agrippante, agissent en coopération avec des éléments pour fermeture agrippante correspondants d'une autre pièce pour fermeture agrippante, moyennant quoi la pièce pour fermeture agrippante (10) dotée des éléments pour fermeture agrippante (12) est pourvue au moins partiellement d'un revêtement (20) dont l'épaisseur de couche est choisie de telle sorte que la formation ultérieure de la fermeture agrippante soit garantie, caractérisé en ce que le revêtement (20) est formé par l'intermédiaire d'un procédé sol-gel.
  2. Procédé selon la revendication 1, caractérisé en ce que le côté de la pièce pour fermeture agrippante (10) comportant les éléments pour fermeture agrippante (12) est pourvue au moins partiellement d'un revêtement anti-mousse (20).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le revêtement (20) est utilisé en tant que revêtement nanocomposite.
  4. Procédé selon les revendications 1 à 3, caractérisé en ce que le sol-gel est choisi sur la base de SiO2- et/ou de SiO2 modifié au TiO2.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le revêtement (20) est pourvu de caractéristiques ferromagnétiques.
  6. Procédé selon la revendication 5, caractérisé en ce que le sol-gel est mélangé avec de la ferrite ou un matériau contenant de la ferrite d'une structure FexOy.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que pour obtenir un sol-gel ferromagnétique, la magnétite est précipitée.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le revêtement (20) est pourvu d'un agent hydrophobe et/ou oléophobe.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le revêtement (20) est appliqué en permanence.
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le revêtement (20) est appliqué sur la pièce pour fermeture agrippante (10) par foulardage, immersion, pulvérisation, aspersion, vaporisation, laminage par pression ou raclage ainsi que par laminage par collage.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que chaque revêtement (20) est pourvu d'additifs colorants et/ou de moyens de protection contre le rayonnement ultraviolet et/ou de caractéristiques d'absorption et/ou de réflexion d'hyperfréquences, et/ou d'absorption et/ou de réflexion de rayons infrarouges.
EP98928314A 1998-05-22 1998-05-22 Procede pour produire des pieces de fermeture par contact Expired - Lifetime EP1082031B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT98928314T PT1082031E (pt) 1998-05-22 1998-05-22 Metodo para a producao de pecas de fecho em velcro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1998/003055 WO1999060880A1 (fr) 1998-05-22 1998-05-22 Procede pour produire des pieces de fermeture par contact

Publications (2)

Publication Number Publication Date
EP1082031A1 EP1082031A1 (fr) 2001-03-14
EP1082031B1 true EP1082031B1 (fr) 2003-08-27

Family

ID=8166961

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98928314A Expired - Lifetime EP1082031B1 (fr) 1998-05-22 1998-05-22 Procede pour produire des pieces de fermeture par contact

Country Status (9)

Country Link
US (1) US6572727B1 (fr)
EP (1) EP1082031B1 (fr)
JP (1) JP4018338B2 (fr)
AT (1) ATE247912T1 (fr)
DE (1) DE59809437D1 (fr)
DK (1) DK1082031T3 (fr)
ES (1) ES2206940T3 (fr)
WO (1) WO1999060880A1 (fr)
ZA (1) ZA986078B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1723879A2 (fr) 2005-05-19 2006-11-22 Gottlieb Binder GmbH & Co. KG Insert pour être couvert par mousse dans des parts de rembourrage, de préférence des sièges de véhicule ou d'avion
DE102006028581A1 (de) * 2006-06-22 2007-12-27 Gottlieb Binder Gmbh & Co. Kg Verfahren und Vorrichtung zur Oberflächenfunktionalisierung von Haftverschlußteilen
DE102008048205A1 (de) 2008-09-20 2010-04-01 Gottlieb Binder Gmbh & Co. Kg Verfahren zur Oberflächenfunktionalisierung eines Haftverschlußteiles und nach dem Verfahren hergestelltes Haftverschlußteil

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039937A1 (de) * 2000-08-16 2002-03-07 Binder Gottlieb Gmbh & Co Verfahren zum Herstellen eines Haftverschlußteils
US7374707B2 (en) * 2000-12-22 2008-05-20 Gottlieb Binder Gmbh & Co. Method for producing adhesive closing parts
US20030221298A1 (en) * 2002-05-31 2003-12-04 Teiichi Murayama Noiseless surface fastener member, noiseless surface fastener combined with the noiseless surface fastener member and product attached with the same noiseless surface fastener member or the same noiseless surface fastener
DE102009032301A1 (de) * 2009-07-09 2011-01-13 Gottlieb Binder Gmbh & Co. Kg Haftverschlussteil
US20150230564A1 (en) * 2012-09-03 2015-08-20 Kuraray Fastening Co., Ltd. Mold-in cast male surface fastener and method for fabrication of foam resin cast body with male surface fastener employing same
CN104853637B (zh) * 2012-10-15 2018-04-20 维尔克有限公司 接触紧固件产品以及形成该接触紧固件产品的方法
KR101867058B1 (ko) * 2016-08-30 2018-06-12 울산과학기술원 하이드로젤을 이용한 벨크로 장치 및 이의 제조방법
KR101843486B1 (ko) 2016-12-08 2018-03-29 울산과학기술원 습식 환경에서 떼어질 수 있는 건식 접착 미세 구조물
KR101893173B1 (ko) * 2018-06-04 2018-08-29 울산과학기술원 하이드로젤을 이용한 벨크로 장치 및 이의 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946527A (en) 1989-09-19 1990-08-07 The Procter & Gamble Company Pressure-sensitive adhesive fastener and method of making same
DE537333T1 (de) 1991-05-03 1994-02-03 Velcro Ind Formeneinsatz.
US5267453A (en) 1991-06-06 1993-12-07 Guilford Mills, Inc. Loop-type textile fastener fabric and method of producing same
DE9302809U1 (fr) 1993-02-26 1993-04-15 Gottlieb Binder Gmbh & Co, 7038 Holzgerlingen, De
JP3577166B2 (ja) 1996-05-31 2004-10-13 Ｙｋｋ株式会社 面ファスナー
AU5161098A (en) * 1996-11-06 1998-05-29 Minnesota Mining And Manufacturing Company Multiple abrasive assembly and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1723879A2 (fr) 2005-05-19 2006-11-22 Gottlieb Binder GmbH & Co. KG Insert pour être couvert par mousse dans des parts de rembourrage, de préférence des sièges de véhicule ou d'avion
DE102005022957A1 (de) * 2005-05-19 2006-11-23 Gottlieb Binder Gmbh & Co. Kg Einlegeteil zum Einschäumen in Schaumstoff-Polsterteile, vorzugsweise von Fahrzeug- oder Flugzeugsitzen
DE102006028581A1 (de) * 2006-06-22 2007-12-27 Gottlieb Binder Gmbh & Co. Kg Verfahren und Vorrichtung zur Oberflächenfunktionalisierung von Haftverschlußteilen
US8895114B2 (en) 2006-06-22 2014-11-25 Gottlieb Binder Gmbh & Co. Kg Method and device for functionalizing the surfaces of adhesive closure parts
DE102008048205A1 (de) 2008-09-20 2010-04-01 Gottlieb Binder Gmbh & Co. Kg Verfahren zur Oberflächenfunktionalisierung eines Haftverschlußteiles und nach dem Verfahren hergestelltes Haftverschlußteil

Also Published As

Publication number Publication date
JP2002516124A (ja) 2002-06-04
DK1082031T3 (da) 2003-12-22
JP4018338B2 (ja) 2007-12-05
US6572727B1 (en) 2003-06-03
EP1082031A1 (fr) 2001-03-14
ZA986078B (en) 2000-01-10
DE59809437D1 (de) 2003-10-02
WO1999060880A1 (fr) 1999-12-02
ES2206940T3 (es) 2004-05-16
ATE247912T1 (de) 2003-09-15

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