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WO2008014529A1 - Feuille infalsifiable et emballage thermoformé comprenant cette feuille - Google Patents

Feuille infalsifiable et emballage thermoformé comprenant cette feuille Download PDF

Info

Publication number
WO2008014529A1
WO2008014529A1 PCT/AT2007/000367 AT2007000367W WO2008014529A1 WO 2008014529 A1 WO2008014529 A1 WO 2008014529A1 AT 2007000367 W AT2007000367 W AT 2007000367W WO 2008014529 A1 WO2008014529 A1 WO 2008014529A1
Authority
WO
WIPO (PCT)
Prior art keywords
film according
adhesive
proof
layer
foil
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.)
Ceased
Application number
PCT/AT2007/000367
Other languages
German (de)
English (en)
Inventor
Thomas Ullrich
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.)
Teich AG
Original Assignee
Teich AG
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 Teich AG filed Critical Teich AG
Publication of WO2008014529A1 publication Critical patent/WO2008014529A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2401/00—Tamper-indicating means
    • B65D2401/55—Tamper-indicating means based on a change or a contrast in colour

Definitions

  • Anti-counterfeit film and blister pack comprising this film
  • the invention relates to a tamper-proof film, comprising a composite of at least one transparent layer and at least one further layer, wherein these layers are connected to one another via an adhesive layer.
  • Composite films of this type are used, for example, as closure films for packages, so-called “peel-off” packages, in which the closure film is removed from a container by pulling off during the opening process.
  • these composite films are also used to a great extent in the production of blister packs or blister packs, which are mainly used for receiving medicaments.
  • the abovementioned composite films are subjected to a deep-drawing process, so that the depressions required for receiving tablets or capsules are formed. By pressing on the back of a recess, it is deformed, and the tablet or capsule contained in it can be removed from the package while pushing through the sealing film.
  • Object of the present invention is therefore to avoid the known disadvantages of allegedly forgery-proof packaging films.
  • a tamper-proof film comprising the aforementioned composite, which is characterized in that the adhesive layer additionally contains a photochromic substance.
  • photochromic is the name given to a light which is visible through ultraviolet light or sunlight. called reversible conversion of one substance into another, which differs from the starting compound by its color (absorption spectrum).
  • Photochromic substances within the meaning of the invention are likewise substances which show a first color change in the UV range and a second color change in the short wave range. The reverse reaction can be ⁇ dissolved by light of a different wavelength or by heat or occur spontaneously.
  • the invention further relates to a blister pack with a bottom foil and a lid foil sealed with it, which is characterized in that it has a tamper-proof foil according to claim 1 as a bottom foil.
  • the invention further relates to a blister pack with a bottom film and a lid film sealed therewith, which is characterized in that the lid film is a tamper-proof film according to claim 1.
  • FIG. 1 shows a possible composite 2 for the tamper-proof foil 1
  • FIG. 2 shows a possible embodiment for a blister pack 9.
  • the composite 2, as shown by way of example in FIG. 1, is produced in such a way that an adhesive layer 4, which is mixed with the photochromic substance 5, is applied to the transparent layer 3 by laminating.
  • an adhesive layer 4 which is mixed with the photochromic substance 5, is applied to the transparent layer 3 by laminating.
  • oriented polyamide having a layer thickness of 12 .mu.m-40 .mu.m, preferably 25 .mu.m, is used as the transparent layer 3.
  • the adhesive which is for example a polyurethane adhesive, is mixed with the photochromic substance 5 and taken up in a suitable solvent.
  • the application amount of the adhesive in the dry state is 2 to 8 g / m 2 .
  • the proportion of the photochromic substance should be at least 0.05% by weight, preferably 0.2 to 2.0% by weight, based on 100% by weight of solids, consisting of adhesive and photochromic substance.
  • photochromic substances for example, spironaphthooxazines or naphthopyrans can be used; when exposed to UV light or sunlight, a color development becomes visible, but it completely fades as soon as there is no UV or sunlight exposure. From the group of polycyclic pyrans or oxazines it is also possible to select photochromic dyes which are in the UV range of 315 nm show a first color change up to 400 nm and a second color change in the short-wave range from 400 nm to 420 nm.
  • the layer 6 is brought to the adhesive layer 4, so that an adhesive pre-bond can be formed, on which in the sequence by means of a bonding agent 8, a sealing layer 7 is applied.
  • aluminum foils having a layer thickness of 30 .mu.m-70 .mu.m are suitable as layer 6.
  • Particularly preferred is the use of soft aluminum in the event that the composite is subjected to a deep drawing process in its further use. Since aluminum itself does not adhere to the sealing layer 7, for example a PVC layer, an additional adhesion promoter layer 8, for example a polyurethane adhesive, is provided.
  • the tamper-proof foil 1 is used as a bottom foil for a blister pack, it is subjected to a deep-drawing process to form depressions for receiving tablets 10. In this way, as shown in Fig. 2, the bottom sheet 12 is produced. Immediately after filling this base film with the tablets or capsules 10, a gas-tight seal is formed by the lid sheet 11 is connected by sealing with the bottom sheet 12.
  • the carrier material 13 of the cover film 11 may be, for example, an aluminum foil, which is provided with a sealing layer 14 on its side facing the bottom foil 12. Due to the applied sealing pressure during the filling process, a gas-tight packaging is formed.
  • the procedure is that the cover film or the bottom film is examined with a UV lamp, with a wavelength range of 315 nm - 400 nm is set.
  • a color development which is caused by the photochromic substance 5 in the overlying layer becomes visible, since a transparent substance is used as layer 3.
  • this color development is reversible, as soon as the cover sheet 11 or the bottom sheet 12 is again removed from the UV source, the original state is obtained.
  • the end user is therefore not unsettled by any color differences in the lid or bottom film because due to the reversible properties of the photochromic substance 5 used, its original state is restored after removal of the UV source.
  • an analytical laboratory check is often required, for which photochromic fabrics with a double color change are selected. In this case, the second color change provides absolute certainty that the original product was obtained.
  • the photochromic substance 5 is compatible with the adhesive used in the adhesive layer 4, wherein
  • Polyurethane, polyester or polyacrylic adhesive are particularly suitable.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Laminated Bodies (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

L'invention concerne une feuille infalsifiable qui comprend un composite (2) contenant au moins une couche transparente (3) et au moins une autre couche (6), ces couches étant reliées par l'intermédiaire d'une couche adhésive (4) qui comprend en outre une matière photochrome (5) présentant des propriétés de coloration réversibles. Si la feuille infalsifiable est exposée à un rayonnement UV ou à la lumière du soleil, une coloration décelable mais réversible se produit, cette preuve permettant de différencier les articles originaux des articles de contrefaçon.
PCT/AT2007/000367 2006-08-01 2007-07-26 Feuille infalsifiable et emballage thermoformé comprenant cette feuille Ceased WO2008014529A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA1298/2006 2006-08-01
AT0129806A AT504071A1 (de) 2006-08-01 2006-08-01 Fälschungssichere folie sowie blisterpackung umfassend diese folie

Publications (1)

Publication Number Publication Date
WO2008014529A1 true WO2008014529A1 (fr) 2008-02-07

Family

ID=38572787

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2007/000367 Ceased WO2008014529A1 (fr) 2006-08-01 2007-07-26 Feuille infalsifiable et emballage thermoformé comprenant cette feuille

Country Status (2)

Country Link
AT (1) AT504071A1 (fr)
WO (1) WO2008014529A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011135250A1 (fr) 2010-04-28 2011-11-03 Societe Lotoise D'evaporation (Solev) Conditionnement a usage individuel d'un produit cosmetique sensible a l'exposition a un rayonnement ultraviolet
EP2300860B1 (fr) * 2008-07-11 2018-09-05 Thales Structure multicouche a matrice hote photochromique et procede de fabrication
CN117069989A (zh) * 2023-08-18 2023-11-17 广东中鼎科技发展有限公司 一种可防伪tpu高低温膜及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09227845A (ja) * 1996-02-21 1997-09-02 Sony Chem Corp フォトクロミック性を有する接着剤組成物及び接着シート
WO2002018986A2 (fr) * 2000-09-01 2002-03-07 June Barrack Visieres photochromes
US20050023180A1 (en) * 2003-07-30 2005-02-03 Intini Thomas D. Bend & peel packaging having controllable delamination
WO2005019281A1 (fr) * 2003-08-18 2005-03-03 Adhesives Research, Inc. Compositions adhesives autocollantes photochromiques
WO2005076044A1 (fr) * 2004-01-30 2005-08-18 Transitions Optical, Inc. Element optique photochromique
JP2006117807A (ja) * 2004-10-22 2006-05-11 Pilot Ink Co Ltd 変色性粘着シート

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09227845A (ja) * 1996-02-21 1997-09-02 Sony Chem Corp フォトクロミック性を有する接着剤組成物及び接着シート
WO2002018986A2 (fr) * 2000-09-01 2002-03-07 June Barrack Visieres photochromes
US20050023180A1 (en) * 2003-07-30 2005-02-03 Intini Thomas D. Bend & peel packaging having controllable delamination
WO2005019281A1 (fr) * 2003-08-18 2005-03-03 Adhesives Research, Inc. Compositions adhesives autocollantes photochromiques
WO2005076044A1 (fr) * 2004-01-30 2005-08-18 Transitions Optical, Inc. Element optique photochromique
JP2006117807A (ja) * 2004-10-22 2006-05-11 Pilot Ink Co Ltd 変色性粘着シート

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199745, Derwent World Patents Index; AN 1997-486615, XP002455485 *
DATABASE WPI Week 200633, Derwent World Patents Index; AN 2006-313789, XP002455486 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2300860B1 (fr) * 2008-07-11 2018-09-05 Thales Structure multicouche a matrice hote photochromique et procede de fabrication
WO2011135250A1 (fr) 2010-04-28 2011-11-03 Societe Lotoise D'evaporation (Solev) Conditionnement a usage individuel d'un produit cosmetique sensible a l'exposition a un rayonnement ultraviolet
FR2959494A1 (fr) * 2010-04-28 2011-11-04 Lotoise D Evaporation Solev Soc Emballage rigide pour produit cosmetique ou pharmaceutique sensible au rayonnement ultraviolet
CN117069989A (zh) * 2023-08-18 2023-11-17 广东中鼎科技发展有限公司 一种可防伪tpu高低温膜及其制备方法
CN117069989B (zh) * 2023-08-18 2024-04-05 广东中鼎科技发展有限公司 一种可防伪tpu高低温膜及其制备方法

Also Published As

Publication number Publication date
AT504071A1 (de) 2008-02-15

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