EP1365375A1 - Laminé d'étiquette et procédé pour sa production - Google Patents

Laminé d'étiquette et procédé pour sa production Download PDF

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Publication number
EP1365375A1
EP1365375A1 EP02011272A EP02011272A EP1365375A1 EP 1365375 A1 EP1365375 A1 EP 1365375A1 EP 02011272 A EP02011272 A EP 02011272A EP 02011272 A EP02011272 A EP 02011272A EP 1365375 A1 EP1365375 A1 EP 1365375A1
Authority
EP
European Patent Office
Prior art keywords
layer
label laminate
printable
adhesive
intermediate layer
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Withdrawn
Application number
EP02011272A
Other languages
German (de)
English (en)
Inventor
Wolfgang Dipl.-Ing. Kuhm
René Dipl.-Ing. Schweikhardt
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.)
Herma GmbH
Original Assignee
Herma GmbH
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 Herma GmbH filed Critical Herma GmbH
Priority to EP02011272A priority Critical patent/EP1365375A1/fr
Publication of EP1365375A1 publication Critical patent/EP1365375A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/08—Fastening or securing by means not forming part of the material of the label itself
    • G09F3/10—Fastening or securing by means not forming part of the material of the label itself by an adhesive layer

Definitions

  • the invention relates to a label laminate and a method for the production of such a label laminate.
  • the requirement is that parts of a Label laminate should be removable, e.g. for control purposes and that these removed parts should no longer stick after removal.
  • this object is achieved by a label laminate according to claim 1.
  • the adhesive bond results in a good one Connection in machine processing of the label associated with easy releasability after applying the label to a product.
  • FIG. 1 schematically shows a machine 10 which is used for printing on a film and for producing a label laminate which uses this printed film.
  • a roll is shown, of which a printable layer (top layer) 14, which is designed here as a single-layer film (mono film), is unrolled.
  • This contains a polyolefin, preferably a polypropylene, and preferably has a thickness of approx. 60 ⁇ m. Any polypropylene homopolymer can be used as well as each copolymer can be used.
  • polystyrene resin for example, polystyrene resin, polystyrene resin, polystyrene resin, polystyrene resin, etc.
  • olefins e.g. Ethylene, 1-butene, 1-pentene, etc.
  • the film 14 contains only a single polyolefin, it will referred to as mono material.
  • the printable layer 14 is in a printing unit 16 on one side with monochrome printing 18, preferably black printing, e.g. a barcode, and on the other side with a color print 20 Mistake.
  • the black print 18 is preferred with a suitable primer is printed, and a region 22 is printed on it in a printing unit 22 printed a layer 24 containing adhesive varnish.
  • the glue varnish is a UV-curing adhesive varnish, usually with the addition of a photo initiator, so that this adhesive varnish can be quickly cross-linked by UV radiation.
  • the photoinitiator is not restricted to individual compounds known per se to the person skilled in the art, but also comprises mixtures of these compounds with one another.
  • these compounds C 1 include - C 30 Alkylglycidether and / or organic salts of higher halogen compounds of elements of the 4th and 5th sub-group substituted in the periodic table of the elements, such as and unsubstituted alkyl, aryl or aralkyl iodonium or bromonium hexahalogenstibiate, - antimonates, stannates, plumbates etc. and / or alkylbenzenes and / or benzophenone derivatives and / or N-alkyldiethanolamines.
  • the adhesive lacquer in the layer 24 acts, especially in the crosslinked state, as a so-called dry adhesive.
  • a transparent composite 28 is fed from a roll 26.
  • each is made of Layers built up, essentially transparent to UV radiation Understood material, which is a carrier layer, an intermediate layer, a layer containing an adhesive, and has a silicone layer.
  • composite 28 comprises a layer 30 in the form of a transparent film made of polyethylene terephthalate with e.g. 30 ⁇ m as Backing material on which a silicone layer 32 is applied as a separating layer.
  • a transparent intermediate layer 34 follows, preferably from one Polyolefin homo- or copolymer, for example a Polypropylene film (e.g. 30 ⁇ m).
  • the laminated together 42 becomes a drying station 44, and there is 28 from the side of the transparent composite dried and crosslinked by UV radiation of the adhesive varnish in layer 24. This happens through the transparent composite 28 and enables therefore a very fast way of working.
  • the laminate 42 treated in this way has, according to the sectional illustration in FIG. 1 on top of the carrier material 30 with a silicone layer 32, including the Intermediate layer 34 with layer 36. This is followed by UV radiation cross-linked layer 24, then the black print 18 (possibly according to FIG. 3 with primer 62 overprinted), the film 14, and the color print 20.
  • the single-layer film 14 has on the layer 24 with the Adhesive lacquer side facing a surface tension of> 40 dyn.
  • the intermediate layer 34 has on its layer 24 with the adhesive varnish facing side a surface tension of ⁇ 35 dyn.
  • the laminate 42 comes into one Stamping station 46, where the labels L (Fig. 2) in the desired shape from the single-layer film 14 and the intermediate layer 34 are punched out.
  • the label laminate 42 ′′ comes to one Slitting unit 54, is cut into individual strips there if necessary, and the trimmed label laminate 42 '' 'is then transported to the Customers rolled up on a roll 56.
  • Each label L has a grip tab 60 and there is no adhesive varnish there containing layer 24 printed so that the single-layer at this point Foil 14 of a label L can be easily gripped and peeled off. To peeling off, the label no longer sticks and can e.g. of be kept in a purse of a housewife until there is an opportunity redeem this label as a discount stamp.
  • FIG. 3 again shows the structure of the label laminate 42 of FIG. 1 in a highly schematic manner and not to scale.
  • the carrier film 30 which is transparent to UV radiation, then the silicone layer 32, then the layer containing an acrylate adhesive 36, which is releasably adhered to the silicone layer 32, then for UV radiation permeable intermediate layer 34.
  • the cross-linked layer 24 follows, which contains an adhesive varnish, then optionally a primer layer 62, the black print 18, the single-layer film 14, and the Color print 20 on the top of the film 14.
  • a part L 'of the glued-on part L can be peeled off, whereby the part L divides in the region of the layer 24 containing the crosslinked adhesive.
  • the intermediate layer 34 with the layer 36 containing acrylate adhesive remains then back on the labeled object, and the actual label L 'will peeled and taken away by the user, e.g. for control purposes, or as a discount stamp.
  • the basis of the label laminate was a composite which was permeable to UV radiation and consisted of a transparent PET film (30 ⁇ m) as carrier material 30 and a transparent polypropylene film (30 ⁇ m) arranged thereon as an intermediate layer 34.
  • a transparent PET film (30 ⁇ m)
  • a transparent polypropylene film (30 ⁇ m) arranged thereon as an intermediate layer 34.
  • On the carrier material 30 was a silicone layer 32 with 1 g / m 2 attached, on the intermediate layer 34 a layer 36 containing a permanent dispersion acrylate adhesive and with a layer thickness of 19 microns, which layer 36 releasably adheres to the silicone layer 32.
  • This composite material can be called a transparent composite because of its transparency.
  • the polypropylene film 34 had a surface tension of ⁇ 35 dynes.
  • a single-layer film was used as the printable layer (top layer) 14 Polypropylene with a thickness of 60 ⁇ m and a surface tension of > 40 dyn used. This single-layer film was easy to wet for Color anchoring on both sides.
  • the single-layer film 14 was tri-color on the front 20 and on the Back 18 printed in one color black. On the printing on the back a primer 62 was applied to protect the black print 18.
  • the adhesive varnish was applied to this primer 62 in a paint shop containing layer 24 applied.
  • the adhesive varnish was a UV-crosslinking varnish (hybrid system) with the following composition: photoinitiator 0.5 to 1% Cycloaliphatic epoxy resin 50 to 80% Polyester acrylate prepolymer 10 to 30% tripropylene 5 to 10 % Acrylacrylat Georgiapolymer 2 to 5% carbonate ester 1 to 2 % Fluoroorganic additives, free of heavy metals 1 to 2 % Inert substances up to 100%.
  • the photoinitiator contained 5 to 10% by weight of an alkylbenzene, 1 to 5% by weight of an optionally substituted thioxanthone, 30 to 60% by weight of one or a mixture of at least two C 10 -C 20 alkyl glycidyl ethers, and 30 up to 60% by weight of an alkylaryliodonium hexahalogenoantimonate.
  • the printed single-layer film 14 with the still wet, the adhesive varnish containing layer 24 was on a printing press with the transparent composite 30, 32, 34, 36 laminated together.
  • the the glue varnish containing layer 24 was by UV radiation, through this composite through, networked.
  • the separating power of the cross-linked layer 24 containing the adhesive varnish rated with 2 that is with good, i.e. the adhesive bond was good, but could be peeled off with be released by hand, after which there is no longer any adhesive force was present.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
EP02011272A 2002-05-22 2002-05-22 Laminé d'étiquette et procédé pour sa production Withdrawn EP1365375A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02011272A EP1365375A1 (fr) 2002-05-22 2002-05-22 Laminé d'étiquette et procédé pour sa production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02011272A EP1365375A1 (fr) 2002-05-22 2002-05-22 Laminé d'étiquette et procédé pour sa production

Publications (1)

Publication Number Publication Date
EP1365375A1 true EP1365375A1 (fr) 2003-11-26

Family

ID=29286132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02011272A Withdrawn EP1365375A1 (fr) 2002-05-22 2002-05-22 Laminé d'étiquette et procédé pour sa production

Country Status (1)

Country Link
EP (1) EP1365375A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990000788A1 (fr) * 1988-07-07 1990-01-25 Ulrich Labels Pty. Ltd. Etiquettes autocollantes
EP0552656A2 (fr) * 1992-01-21 1993-07-28 Oji Yuka Goseishi Co., Ltd. Etiquette pour bagage de vol
EP0800155A1 (fr) * 1996-04-04 1997-10-08 Dai Nippon Printing Co., Ltd. Etiquette adhésive, méthode et appareil pour sa fabrication
EP1026215A1 (fr) * 1999-02-02 2000-08-09 Avery Dennison Corporation Etiquettes multicouches pelables, et leur procédé de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990000788A1 (fr) * 1988-07-07 1990-01-25 Ulrich Labels Pty. Ltd. Etiquettes autocollantes
EP0552656A2 (fr) * 1992-01-21 1993-07-28 Oji Yuka Goseishi Co., Ltd. Etiquette pour bagage de vol
EP0800155A1 (fr) * 1996-04-04 1997-10-08 Dai Nippon Printing Co., Ltd. Etiquette adhésive, méthode et appareil pour sa fabrication
EP1026215A1 (fr) * 1999-02-02 2000-08-09 Avery Dennison Corporation Etiquettes multicouches pelables, et leur procédé de fabrication

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