DE1594309A1 - Process for the production of air-permeable self-adhesive tapes or films, in particular plasters - Google Patents
Process for the production of air-permeable self-adhesive tapes or films, in particular plastersInfo
- Publication number
- DE1594309A1 DE1594309A1 DE19631594309 DE1594309A DE1594309A1 DE 1594309 A1 DE1594309 A1 DE 1594309A1 DE 19631594309 DE19631594309 DE 19631594309 DE 1594309 A DE1594309 A DE 1594309A DE 1594309 A1 DE1594309 A1 DE 1594309A1
- Authority
- DE
- Germany
- Prior art keywords
- adhesive
- carrier material
- air
- production
- films
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Adhesive Tapes (AREA)
Description
"Verfahren zur Herstellung von luftdurchlässigen Selbst -klebebändern oder -folien, insbesondere Pflastern" Gegenstand der Erfindung ist ein Verfahren zur Herstellung von einseitig beschichteten, druckempfindlichen Klebebändern oder -folien, insbesondere Pflas=tern, deren Klebeschi--ht beliebig angeordnete, klebemittelfreie und luftdurchlässige Stellen aufweist."A process for producing air-permeable Selb s t -klebebändern or sheets, in particular patches" The invention is particularly tern a method for the production of single-side coated pressure sensitive adhesive tapes or sheets, Pflas = whose adhesive ski - ht arbitrarily arranged, adhesive-free and has air-permeable locations.
Es ist bekannt, Pflaster dieser Art während des Streihvorganges unter Anwendurg einer Streichvorrichtung herzustellen, an der der Trägerstoff vorbeigeführt wird und bei der gegenüber der Abstreichkante des Streichmessers eine Fördervorrichtung für den Träger Stoff mit voneinander getrennten Punkt- oder :@triahförmigen Erhöhungen vorgesehen ist, die sich durch den Trägerstoff derartig hindurchdrücken, daß die Klebedesse an diesen Stellen abge:>trichen wird. Hierdurch sollen klebemassefreie Stellen entstehen, die einen Luftdurchtritt gestatten. Das iot jedoch nicht der Fall, da der Abstreifer auch unter optimalen Verfahrenabedingungen Klebemasse mit in den Trägerstoff einreibt,-wobei die Maschen des Gewebes mehr oder weniger verschmiert werden und luftundurchlässig blei -ben. Aber auch aus der Überwachung und gonstanthaltungder Temperatur und@Viskosität der Klebemasse sowie der Regulierung des Abstreifdruckes und der EnUernung der abgestreiften Klebemasse ergeben sich zusätzliche Nachteile beim genannten Verfahren.It is known to apply plasters of this type during the spreading process Manufacture application of a coating device, past which the carrier material is and at the opposite of the doctor edge of the doctor blade a conveyor for the carrier fabric with separate point or: @ triah-shaped elevations is provided, which push through the carrier material in such a way that the Adhesive seal at these points:> is wiped off. This should be adhesive-free Places arise that allow air to pass through. However, that is not the case Case where the scraper also contains adhesive under optimal process conditions rubs into the carrier material, whereby the meshes of the fabric more or less smeared and remain impermeable to air. But also from monitoring and keeping the Temperature and @ viscosity of the adhesive as well as the regulation of the wiping pressure and the removal of the adhesive that has been stripped off result in additional disadvantages in the procedure mentioned.
Einem weiteren bekannten Verfahren zur Herstellung von porösen Selbstklebebändern zufolge wird die Klebeschicht eines Selbstklebebandes nachträglich leicht erwärmt oder mit Lösungsmitteln behandelt und das Band mit der Klebeschicht über eine mit Erhe bungen versehene Walze unter Einwirkung einer Gegendruckwalze geführt. Hierbei dringen die Erhebungen der Walze zunächst in die Klebeschicht ein, schieben Teile der Klebemasse vor sich her und drücken sie beim weiteren Vordringen in das Gewebs: des Trägerstoffes ein, wobei auch hier die gewüns--htt#r Luftlöcher mehr oder weniger verklebt werden.Another known method for producing porous self-adhesive tapes According to the adhesive layer of a self-adhesive tape is subsequently warmed up slightly or treated with solvents and the tape with the adhesive layer over a with Elevations provided roller guided under the action of a counter-pressure roller. Here if the elevations of the roller first penetrate the adhesive layer, parts slide the adhesive in front of you and press it into the tissue as it penetrates further: of the carrier one, whereby here too the desired - htt # r air holes more or less glued.
Mit einer bekannten Vorrichtung zur Herstellung von porösen Klebebändern wird die Klebmasse mit Hilfe eines feststehenden Streichkastens auf das Band aufgetragen, wobei gleichzeitig eine mit Erhöhungen und nadelförmigen Spitzen versebene rotierende Streichwalze klebemittelfreie Stellen mit darin befindlicher porenartigen Öffnungen durch Abstreichen gegen die lbstreichhante des Streichkastens bildet. Bei diesem Vorgang wird aber Klebmasse in Form eines dünnen Films zwangsläufig in das Gewebe eingerie -ben, wobei die Gewebemaschen mehr oder weniger verschmiert und, da die Klebmasse noch im heißen Zustand i:t, die mit der nadelförmigen Spitze gebildeten Öffnungen infqlge der verlaufenden Klebeschicht meist wieder geschlossen werden.With a known device for the production of porous adhesive tapes the adhesive is applied to the tape with the help of a fixed paint box, at the same time a rotating plane with elevations and needle-shaped tips Coating roller adhesive-free areas with pore-like openings located therein forms by wiping against the painting handle of the painting box. With this one However, the process inevitably penetrates the tissue in the form of a thin film rubbed in, the meshes being more or less smeared and, as the Adhesive still in the hot state i: t, those formed with the needle-shaped tip Openings in the course of the adhesive layer are usually closed again.
Es wurde nun gefunden, daß die erwähnten Nachteile dadurch beho -ben werden, daß gemäß der Erfindung der ganzflächig bestrichene Trägerstoff mit seiner unbeschichteten Seite über eine mit pyramidenförmigen Erhebungen versehene Walze geführt, der Trägerstoff durch Andrücken an diese von der unbeschichteten Seite her ®olettenartig durchstoßen und dabei die Klebemasse an diesen Stellen nach allen Seiten verdrängt wird. Hierbei wird im Gegensatz zu den bekannten Verfahren zunächst der Trägerstoff gespannt und durchlöchert und dann die Klebeschicht von der Rückseite her durchbrochen. Zum lndrücken des Trägerstoffes an die erhabene Walzenoberfläche findet zweckaäßigerweise eine elastische Gegendruckwalze Verwendung. Infolge des Durhhdringens deg pyramidenfÖrmigen Erhebungen der Walze durch den Trägerstoff wird an jeder Durchbruchstelle eihe kleine Öffnung in Trägerstoff hinterlassen, die einen Luftdurchtritt gewährleistet. Ein Verschließen dieser Öffnungen durch Klebstoff ist hierbei nicht-aiglich, da ja die Klebestoffschi,:ht von der TrägVstoffseite her durchbrochen wird. Vorteilhafterweise wird der beschichtete Trägerstoff vor dem VerfF1hrensgang-oder währenddessen erwärmt, »e im letzteren Felle beispielsweise dadurch erreicht wird, daß die mit Erhebungen versehene Walze beheizt ist.It has now been found that the disadvantages mentioned are remedied in that, according to the invention, the uncoated side of the fully coated carrier material is passed over a roller provided with pyramid-shaped elevations, and the carrier material is pierced by pressing against it from the uncoated side and the adhesive is displaced on all sides at these points. In contrast to the known methods, the carrier material is first stretched and perforated and then the adhesive layer is broken through from the back. An elastic counter-pressure roller is expediently used to press the carrier material onto the raised roller surface. As a result of the pyramid-shaped elevations of the roller through the carrier material, a small opening is left in the carrier material at each breakthrough, which ensures the passage of air. It is not only necessary to close these openings with adhesive, since the adhesive layer is broken through from the side of the carrier material. Advantageously, the coated carrier material before, is VerfF1hrensgang or heated during which, »e is achieved for example in the latter skins characterized in that the roller provided with protuberances is heated.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV0024345 | 1963-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1594309A1 true DE1594309A1 (en) | 1969-09-11 |
Family
ID=7581129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19631594309 Pending DE1594309A1 (en) | 1963-07-20 | 1963-07-20 | Process for the production of air-permeable self-adhesive tapes or films, in particular plasters |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1594309A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987005315A1 (en) * | 1986-02-26 | 1987-09-11 | Erich Pagendarm | Article with adhesive coating and process for its production |
US5487780A (en) * | 1993-02-19 | 1996-01-30 | Minnesota Mining & Manufacturing Company | Apparatus for applying coating materials to overlapped individual sheets |
US5849358A (en) * | 1994-08-17 | 1998-12-15 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US5885722A (en) * | 1994-02-15 | 1999-03-23 | Minnesota Mining And Manufacturing | Method for applying coating materials to overlapped individuals sheets |
-
1963
- 1963-07-20 DE DE19631594309 patent/DE1594309A1/en active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987005315A1 (en) * | 1986-02-26 | 1987-09-11 | Erich Pagendarm | Article with adhesive coating and process for its production |
US5487780A (en) * | 1993-02-19 | 1996-01-30 | Minnesota Mining & Manufacturing Company | Apparatus for applying coating materials to overlapped individual sheets |
US6500260B2 (en) * | 1993-02-19 | 2002-12-31 | Minnesota Mining & Mfg | Apparatus for applying a coating material to sheets |
US6254678B1 (en) | 1993-02-19 | 2001-07-03 | Minnesota Mining & Manufacturing Company | Apparatus for applying coating materials to overlapped individual sheets |
US5885722A (en) * | 1994-02-15 | 1999-03-23 | Minnesota Mining And Manufacturing | Method for applying coating materials to overlapped individuals sheets |
US5863330A (en) * | 1994-08-17 | 1999-01-26 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet meters |
US5868838A (en) * | 1994-08-17 | 1999-02-09 | Minnesota Mining & Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US5916630A (en) * | 1994-08-17 | 1999-06-29 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US5958135A (en) * | 1994-08-17 | 1999-09-28 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US5972113A (en) * | 1994-08-17 | 1999-10-26 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US6040006A (en) * | 1994-08-17 | 2000-03-21 | 3M Innovative Properties Company | Apparatus and method for applying coating materials to individual sheet members |
US6074704A (en) * | 1994-08-17 | 2000-06-13 | 3M Innovative Properties Company | Apparatus and method for applying coating materials to individual sheet members |
US5851592A (en) * | 1994-08-17 | 1998-12-22 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US5849358A (en) * | 1994-08-17 | 1998-12-15 | Minnesota Mining And Manufacturing Company | Apparatus and method for applying coating materials to individual sheet members |
US6517900B1 (en) | 1994-08-17 | 2003-02-11 | 3M Innovative Properties Company | Apparatus and method for applying coating materials to individual sheet members |
US6551654B1 (en) | 1994-08-17 | 2003-04-22 | 3M Innovative Properties Company | Apparatus and method for applying coating materials to individual sheet members |
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