EP0088865B1 - Procédé pour appliquer des marques durables sur des feuilles ou bâches en matière plastique - Google Patents

Procédé pour appliquer des marques durables sur des feuilles ou bâches en matière plastique Download PDF

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Publication number
EP0088865B1
EP0088865B1 EP83100412A EP83100412A EP0088865B1 EP 0088865 B1 EP0088865 B1 EP 0088865B1 EP 83100412 A EP83100412 A EP 83100412A EP 83100412 A EP83100412 A EP 83100412A EP 0088865 B1 EP0088865 B1 EP 0088865B1
Authority
EP
European Patent Office
Prior art keywords
awning
transfer image
tarpaulin
plastics
stage
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
Application number
EP83100412A
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German (de)
English (en)
Other versions
EP0088865A1 (fr
Inventor
Franz Dittrich
Klaus Dittrich
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.)
Individual
Original Assignee
Individual
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6158103&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0088865(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT83100412T priority Critical patent/ATE16908T1/de
Publication of EP0088865A1 publication Critical patent/EP0088865A1/fr
Application granted granted Critical
Publication of EP0088865B1 publication Critical patent/EP0088865B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/175—Transfer using solvent

Definitions

  • the invention relates to the technique of labeling plastic films and tarpaulins, as used in particular for covering trucks or tents, in particular marquees, e.g. B. for advertising purposes.
  • a plastic tarp in contrast to a pure plastic film, should be understood to mean a plastic film reinforced with a plastic fabric or knitted plastic fabric; The surface of the plastic tarpaulin behaves chemically like a corresponding plastic film, since the fabric is completely covered by the plastic film.
  • truck tarpaulins in particular as eye-catching advertising media;
  • these tarpaulins are provided with large colored advertising images and labels.
  • Plastic tarpaulins have also come onto the market in recent years, which can be colored in almost any basic color and are able to withstand all loads.
  • tarpaulin Another value as a measure of the durability of a tarpaulin is the so-called peel strength; it is a measure of the adhesion between individual layers of the tarpaulin or between two tarpaulin pieces welded together.
  • peel strength Another value as a measure of the durability of a tarpaulin is the so-called peel strength; it is a measure of the adhesion between individual layers of the tarpaulin or between two tarpaulin pieces welded together.
  • the usual loads that a tarpaulin must withstand include exposing the tarpaulin to chemical liquids such as acids, alkalis and the like, as well as chemically active or inactive drinks such as beer, wine, spirits and the like, which are transported by truck.
  • US-A-35 53 044 which relates to a process for incorporating a decal as an integral part of a surface coating, according to which the decal is first applied to a solvent-soluble polymeric base layer, after which it is applied polymeric base layer is applied to said surface and finally a clear coating containing a solvent for the base layer is applied; the base layer is dissolved by the solvent mentioned and the decal is incorporated in a clear coating.
  • the invention has for its object to provide a method for labeling plastic films and tarpaulins with which a labeled plastic film or tarpaulin can be achieved, which has the same durability as the plastic film or tarpaulin self.
  • the decals previously used can now be used in accordance with the method according to the invention.
  • the plastic film or tarpaulin is loosened in a first process stage; a chemical solvent is suitable for the plastic base material to be dissolved.
  • a chemical solvent is suitable for the plastic base material to be dissolved.
  • such solvents are contained in the corresponding plastic paints, so that such a suitable plastic paint can be used for dissolving.
  • a decal with lettering is applied to the detached surface of the plastic film or tarpaulin, as was done previously.
  • a varnish is applied to the decal thus applied and at least its immediate surroundings, which dissolves the plastic film or tarpaulin.
  • plastic film or tarpaulin is cleaned beforehand with water and / or customary surface-active detergents and then dried. This removes the coarsest surface dirt from the film or tarpaulin.
  • the plastic film or tarpaulin is dissolved by applying an appropriate, solvent-containing lacquer.
  • a pure solvent can also be used for dissolving.
  • the solvent is enriched with the appropriate plastic material. This results in a regenerative surface treatment of the plastic film or tarpaulin.
  • the solvent component has the effect that aged and often excessively hardened surface layers of the film or tarpaulin due to loss of plasticizer are removed. This causes a chemical roughening of the surface at the same time; that is, a bond active surface is created. As a result, an increased adhesive force is made available for the decal still to be applied.
  • the plastic component of the varnish compensates for locally different losses in the removed surface layers and prevents the formation of gaps.
  • a water decal can be applied to the loosened surface of the plastic film or tarpaulin after it has been moistened with relaxed water, then the decal is stuck with bubbles and then the backing paper of the decal is peeled off, then wash the decal itself with clear water, if necessary, remove any remaining bubbles, and finally allow the decal to dry completely.
  • this aqueous process can be carried out on the surface-regenerated plastic of the detached plastic film or tarpaulin without the activity of this regenerated surface being knowingly impaired thereby.
  • a rubber squeegee is preferably used, since its elastic properties are particularly adapted to the objects to be doctored. After washing the decal with clear water, a soft window squeegee is usually used for doctoring. With this last squeegee, the last trace of water between the decal and the plastic film or tarpaulin is also pressed out, so that the firm adhesive adhesion that is typical of the decal is achieved.
  • Decals that were produced by screen printing on thin foils are particularly suitable for the method according to the invention; however, the method according to the invention is not limited to such decals. Decals made by gravure printing can also be used. However, decals made using the screen printing process are best suited because their carrier film is thinnest. This makes these decals the most adaptable and the migration effect of plasticizers from the surrounding plastic areas is greatest and fastest here.
  • the same lacquer is used in the third process stage as in the first process stage. This ensures the greatest possible homogeneity of the surface application. If a varnish corresponding to the plastic film or tarpaulin is also used according to a preferred type of process already mentioned, the nature of the plastic film or tarpaulin is not adulterated.
  • a decal is to be used, the carrier film of which corresponds to the base material of the plastic film or tarpaulin to be labeled.
  • the shrink properties of the composite between the film or tarpaulin, the decal and the lacquer layers obtained according to the invention are thus the same; the same applies to all other properties. In this way, perfect tarpaulin lettering is created, which has the same durability of the base material of the film or tarpaulin.
  • the solvent or lacquer can be applied in the first or third process stage by rolling, brushing or spraying. If the same lacquer is used in the first and third process steps, the process according to the invention is particularly practical to carry out. Because in addition to conventional decal technology, only one additional process substance and auxiliary materials are required. This makes it easy to retrain only trained personnel. Mixing up the paints is impossible. Accidental mistakes can then no longer be made.
  • the method according to the invention is particularly interesting when using a decal, the inscription of which, as usual, is applied downwards to the freshly regenerated surface of the plastic film or tarpaulin, but the inscription for the solvents and / or plasticizers of the film or Tarpaulin is receptive. In this case, perfect integration of the font colors is achieved even in their original shapes, more precisely in the regenerated surface of the plastic film or tarpaulin.
  • the method according to the invention is carried out, for example, as follows: the tarpaulin is first washed and dried. The surface is then treated with a PVC solvent (also commonly called PVC lacquer). Then the decal is applied in the usual way. The surface regenerated tarpaulin was previously moistened with relaxed water, that is to say with water which contains surface-tension-active agents. This results in a particularly good moistening of the tarpaulin and wet connection with the decal. However, normal water is also suitable. Then the decal is scraped on, washed and gently coated again so that there are no more bubbles and the last trace of water is pressed out.
  • PVC solvent also commonly called PVC lacquer
  • the applied decal is allowed to dry completely, which is achieved by a normal drying process in dry air.
  • the entire surface of the pretreated tarpaulin i.e. not just the surface on which the decal is specifically located, is treated again with the PVC varnish. Treating the entire surface, including the area surrounding the decal, with the varnish ensures that there is an overarching connection between the decal and the tarpaulin even in the peripheral areas.
  • the tarpaulin is labeled and ready according to the invention.
  • the labeled tarpaulin is now just as durable in every respect as an unlabeled tarpaulin, i.e.
  • the method according to the invention means that there is no longer any format limitation for the inscription. Because any number of decals can be put together on the tarpaulin.
  • the tarpaulin labeled according to the invention is characterized in that a lacquer layer is arranged on the plastic film or tarpaulin, on which a decal with lettering is arranged in one piece, in which the plasticizer of the lacquer layer mentioned and which is applied to the decal and its surroundings. - the paint layer has migrated.
  • Such a tarpaulin according to the invention is shown in the figure.
  • the original plastic film or tarpaulin 1 is identified by 1.
  • the lacquer layer 2 from the first stage of the process bears the number 2. It can be seen that this lacquer layer 2 extends into the surface of the plastic film or tarpaulin 1.
  • the decal 3 is arranged directly on this lacquer layer 2, the inscription 5 of which lies on the first lacquer layer 2.
  • the lacquer layer 4 of the third process stage applied to the decal 3 and its surroundings is applied over it. It can be clearly seen in the figure that this lacquer layer 4 from the third stage of the process extends beyond the edges of the decal 3, that is to say it covers the surroundings thereof.
  • the plasticizers have now migrated from the environment into the carrier film of the decal 3; this includes in particular the plasticizers from the plastic film or tarpaulin 1, but also those from the lacquer layers 2 and 4. This can be determined in a cross-sectional analysis.
  • a tarpaulin labeled according to the invention differs from tarpaulins labeled in a conventional manner, in which the plasticizers have not migrated.
  • the lacquer layers 2 and 4 are also missing in the tarpaulins labeled in the conventional manner.

Landscapes

  • Decoration By Transfer Pictures (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Claims (7)

1. Procédé pour appliquer des marques durables sur des feuilles et bâches en matières plastiques à l'aide d'une image à décalquer, caracté-' risé par le fait que dans une première phase, on dissout la feuille ou la bâche en matière plastique, que dans une deuxième phase on applique une image à décalquer portant une marque sur la surface dissoute de la feuille ou de la bâche en matière plastique, et que dans une troisième phase on applique sur l'image à décalquer qui a été appliquée et autour d'elle un vernis qui dissout la feuille ou la bâche en matière plastique.
2. Procédé suivant la revendication I, caractérisé par le fait qu'avant tout, la feuille ou la bâche en matière plastique est nettoyée avec de l'eau et/ou des détergents surfactifs usuels et est ensuite séchée.
3. Procédé suivant les revendications 1 et/ou 2, caractérisé par le fait qu'on dissout la feuille ou la bâche en matière plastique par l'application d'un vernis approprié contenant un solvant.
4. Procédé suivant au moins l'une des revendications 1 à 3, caractérisé par le fait que l'on applique comme marque une image à décalquer à l'eau sur la surface dissoute de la feuille ou de la bâche en matière plastique, après qu'on a humecté celle-ci avec de l'eau à basse tension superficielle, qu'on râcle ensuite fortement l'image à décalquer sans laisser de bulles, qu'on enlève ensuite le support en papier de l'image à décalquer, qu'on lave après cela l'image à décalquer à l'eau claire, qu'on râcle encore une fois des bulles éventuelles pour les éliminer, et finalement qu'on laisse l'image à décalquer sécher complètement.
5. Procédé suivant au moins l'une des revendications 1 à 4, caractérisé par le fait qu'on utilise dans la troisième phase le même vernis que dans la première phase.
6. Procédé suivant au moins l'une des revendications 1 à 5, caractérisé par le fait que l'on utilise une image à décalquer dont le support est approprié au matériau de base de la feuille ou de la bâche en matière plastique à marquer.
7. Feuille ou bâche en matière plastique marquée, caractérisée par le fait que sur la feuille ou la bâche en matière plastique (1) est disposée une couche de vernis (2) sur laquelle une image à décalquer (3) d'une seule pièce avec une marque (5) est appliquée, les plastifiants de la couche de vernis (2) mentionnée et une couche de vernis (4) appliquée sur l'image à décalquer (3) et son environnement ayant migré dans l'image à décalquer (3).
EP83100412A 1982-03-12 1983-01-19 Procédé pour appliquer des marques durables sur des feuilles ou bâches en matière plastique Expired EP0088865B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100412T ATE16908T1 (de) 1982-03-12 1983-01-19 Verfahren zum dauerhaften beschriften von kunststoff-folien und - planen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3209075A DE3209075C1 (de) 1982-03-12 1982-03-12 Verfahren zum dauerhaften Beschriften von Kunststoff-Folien und -Planen
DE3209075 1982-03-12

Publications (2)

Publication Number Publication Date
EP0088865A1 EP0088865A1 (fr) 1983-09-21
EP0088865B1 true EP0088865B1 (fr) 1985-12-11

Family

ID=6158103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100412A Expired EP0088865B1 (fr) 1982-03-12 1983-01-19 Procédé pour appliquer des marques durables sur des feuilles ou bâches en matière plastique

Country Status (4)

Country Link
EP (1) EP0088865B1 (fr)
AT (1) ATE16908T1 (fr)
DE (2) DE3209075C1 (fr)
GB (1) GB2116484B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3705861A1 (de) * 1987-02-24 1988-09-08 Schott Kurt Verfahren zum herstellen von motiven zum uebertragen einer urspruenglichen unterlage auf eine neue unterlage
GR1000648B (el) * 1988-08-23 1992-09-11 Schott Kurt Μεθοδος για την παραγωγη σχεδιων για μεταφορα απο ενα αρχικο υποθεμα σε ενα νεο υποθεμα.
DE4119416A1 (de) * 1991-06-13 1992-12-17 Roland Judex Informationstraeger zum auftragen von informationen, verfahren zum herstellen des informationstraegers und verfahren zum aufbringen einer information mit dem informationstraeger
DE4134704A1 (de) * 1991-10-21 1993-05-19 Manfred Keppeler Verlag Verfahren zur uebertragung von folien, auf denen sich farben, pigmente oder toner befinden, auf permanente traeger, poroese oder anloesbare folien zur durchfuehrung des verfahrens, und herstellung poroeser folien

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE357916A (fr) *
GB283571A (en) * 1927-01-14 1929-03-12 Creszenzia Glaser Improvements in or relating to drawings or pictures
FR672722A (fr) * 1928-07-21 1930-01-06 Nouveau procédé à froid pour obtenir, sous matières plastiques solubles dans des alcools appropriés des impressions inaltérables de tout produit d'imprimerie
GB343686A (en) * 1930-01-10 1931-02-26 Panela A G Improved process for transferring prints on to surfaces of metal, wood, pasteboard, fabric, leather, and so forth
US3553044A (en) * 1967-07-27 1971-01-05 Celanese Coatings Co Process for transferring a design to a surface
DE2413051A1 (de) * 1974-03-19 1975-10-16 Helmut Rosellen Selbstklebefolie und verfahren zu ihrer herstellung
DE2935584A1 (de) * 1979-09-04 1981-03-19 Fa. Jörg Frischkorn, 5828 Ennepetal Verfahren zum anbringen von im wesentlichen folienhaften dekor-, bild-, schrift- o.dgl. elementen an lackierten kfz-karosserieflaechen mit einem daran angebrachten im wesentlichen folienhaften dekor-, bild-, schrift- o.dgl. element

Also Published As

Publication number Publication date
GB2116484B (en) 1986-01-02
EP0088865A1 (fr) 1983-09-21
DE3209075C1 (de) 1983-09-29
DE3361446D1 (en) 1986-01-23
ATE16908T1 (de) 1985-12-15
GB2116484A (en) 1983-09-28

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