EP0229550B1 - Packungsmaterial für feuchtempfindliche Produkte und daraus bestehende Verpackungen. - Google Patents

Packungsmaterial für feuchtempfindliche Produkte und daraus bestehende Verpackungen. Download PDF

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Publication number
EP0229550B1
EP0229550B1 EP86402660A EP86402660A EP0229550B1 EP 0229550 B1 EP0229550 B1 EP 0229550B1 EP 86402660 A EP86402660 A EP 86402660A EP 86402660 A EP86402660 A EP 86402660A EP 0229550 B1 EP0229550 B1 EP 0229550B1
Authority
EP
European Patent Office
Prior art keywords
water
fact
base sheet
retaining
packaging
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
EP86402660A
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English (en)
French (fr)
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EP0229550A1 (de
Inventor
Robert Temple
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.)
Charentaise de Participations Ste SA
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Charentaise de Participations Ste SA
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Publication of EP0229550A1 publication Critical patent/EP0229550A1/de
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Publication of EP0229550B1 publication Critical patent/EP0229550B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B65D81/267—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being in sheet form
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to addition polymer from unsaturated monomers
    • Y10T428/31699—Ester, halide or nitrile of addition polymer
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31884—Regenerated or modified cellulose
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/3188—Next to cellulosic
    • Y10T428/31895—Paper or wood
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31993—Of paper

Definitions

  • the invention relates to a material for packaging a moisture-sensitive product and to a packaging comprising such a material.
  • the invention relates to materials in the general form of sheets, more particularly intended for the packaging of products such as cheeses.
  • the function of such packaging is to protect the packaged product from the outside ambient atmosphere, as well as from untimely contacts.
  • Such packaging also has the function of having a selective permeability to gas and to humidity, taking into account the modifications that the packaged product may undergo, likely to go as far as altering the product, in particular its taste.
  • the function of such packaging is to regulate the humidity and / or exudate from the packaged product.
  • a package of meat comprises a base formed from a single sheet of cellulosic fibers, in particular paper, and a waterproof agent placed on the external face of the sheet of cellulosic fibers or impregnating it at least partially.
  • the waterproof agent may be a ureaformol resin.
  • such a package is resistant to humidity, while at least partially allowing aqueous liquids to pass through the fibers.
  • packaging does not fulfill the function of reciprocal gas exchanges between the packaged product and the external ambient atmosphere, due to the presence of the impermeable agent. Neither does such packaging fulfill the function of absorbing moisture from the packaged product, except to a very limited extent.
  • the package comprises a layer of moisture absorbing fibers, in particular paper, and a moisture resistant film, provided with small perforations (synthetic resin).
  • a layer of moisture absorbing fibers in particular paper
  • a moisture resistant film provided with small perforations (synthetic resin).
  • Such packaging can be placed on meat to be wrapped, one way or the other.
  • the packaging described in this patent is of application limited to meat, and undoubtedly of limited effectiveness.
  • a package comprising a metal sheet or strip coated with a thin thermoplastic sheet, capable of absorbing moisture or a liquid while swelling.
  • a packaging thus produced is waterproof but essentially makes it possible to produce a container of the “tin can” type.
  • the document FR-A 875 277 relates to a method and a device for the production of metal sheets or strips coated with a sheet of thin material, for packaging or similar applications.
  • a thin sheet of artificial thermoplastic material is used which is applied to the sheet or strip of metal hot and under pressure without using a bonding agent.
  • Document DE-A 2 722 621 relates to a material intended for packaging and comprising a support sheet and a water-retaining material.
  • Document EP-A 70 678 relates to a laminated material having an aluminum or polypropylene substrate and a resin layer fixed to the substrate.
  • Document EP-A 204 324 published on 10.12.1986, relates to a layered resin suitable as a packaging material for food products.
  • a resin layer is gas permeable and is assembled on each of its faces to a polyolefin-based resin layer having a mineral filler.
  • Document EP-A 204 324 relates to a material comprising a substrate associated with a polyacrylonitrile sheet and, optionally, an inorganic filler.
  • the object of the invention is to provide a material intended for producing packaging for products sensitive to humidity such as cheeses, capable of controlling the humidity of the atmosphere surrounding the product thus packaged.
  • the invention provides a material in the general form of a sheet, more especially intended for packaging a food product of the cheese type, sensitive to humidity, consisting of at least one layer of a support sheet and at least one water-repellent material, intimately associated with the support sheet by association means, characterized in that the material constituting the support sheet is chosen from the group formed by paper, cellulose films, regenerated pure cellulose , polymers, in particular polyethylene, polypropylene, polyvinyl chloride, polyester and by the fact that the water-retaining material is constituted by a water-retaining resin chosen from the group formed by polyacrylonitriles or copolymers based on acrylonitrile, treated with aqueous alkaline solutions of mono or polyfunctional aliphatic or cycloaliphatic alcohols with greater or equal melting point at 110 ° C.
  • the moisture and / or exudate from the packaged product is absorbed and retained by the water-retaining material, without affecting the physical qualities of the support sheet, in particular its behavior, and without affecting the packaged product itself.
  • the material according to the invention is capable of a certain desorption, the absorption and desorption being a function of the humidity and the temperature prevailing inside the packaging and of that prevailing in the external ambient atmosphere.
  • the support sheet can be in a single layer or in several layers; impervious to gas and / or water vapor, or, on the contrary, permeable.
  • the water-retaining material can be incorporated or superimposed on the support sheet.
  • the material thus produced may comprise one or more layers.
  • the invention relates to a material intended for the packaging of a product and to a packaging comprising such a material, intended for this product.
  • the product per se, for which the packaging is intended, is not directly the subject of the invention. It is preferably a product sensitive to humidity, the packaging having the function of regulating the humidity and / or the exudate coming from this product, once packaged.
  • a product can be a food product, such as cheese.
  • the material according to the invention is characterized in that it comprises in combination at least one support sheet 1 and at least one water-retaining material 2 intimately associated with the support sheet by association means 3.
  • Such a material allows the realization of a packaging for the product mentioned above and its function is to regulate the humidity and / or the exudate coming from the product.
  • the support sheet 1 of the material according to the invention essentially has the function of ensuring a physical hold of the material, as well as of constituting a support for the water-retaining material.
  • the material according to the invention can be the subject of several variant embodiments. These alternative embodiments arise from the alternative embodiments of the support sheet 1, the water-retaining material 2, the association means 3, as well as from the very constitution of the material. These different variants in the production of the constituent means of the material can be combined with one another.
  • the support sheet 1 is generally a flat element; in the form of a plate, tablecloth, strip or any other; flexible or rigid; capable of being shaped to constitute packaging; having, in any case, a certain mechanical strength.
  • the support sheet 1 comprises a single layer or, on the contrary, several layers. It is homogeneous or heterogeneous. It is impermeable to gas and / or water vapor or, on the contrary, permeable to gas and / or water vapor. It is continuous or, on the contrary, discontinuous. It is provided with perforations or microperforations 4 with or without removal of materials or, on the contrary, without such perforations.
  • the material constituting the support sheet 1 is chosen from the group formed by paper, cellulosic films, regenerated pure cellulose, polymers, in particular, polyethylene, polypropylene, polyvinyl chloride, polyester.
  • the material constituting the support sheet is a polymer comprising micropores or having a certain permeability to water vapor.
  • the term sheet carrier 1 pervious to gas and / or water vapor, a backing sheet having an oxygen permeability greater than 18 cm 3 / m 2 '24 hours and at vapor water greater than 8680.5 Ilg / m 2. s / 750 g / m 2 . 24 hours).
  • the expression "gas-tight and / or water-vapor-tight" support sheet is understood to mean a support sheet having a permeability at values lower than those mentioned above.
  • the support sheet 1 is itself associated with at least one other additional sheet, in particular an aluminum sheet.
  • the water-retaining material 2 consists of a water-retaining resin chosen from the group formed by polyacrylonitriles or copolymers based on acrylonitriles, treated with aqueous alkaline solutions of aliphatic or cycloaliphatic alcohols, mono or polyfunctional, of higher melting point or equal to 110 ° C.
  • such a water-retaining resin has the property of having a final weight after absorption of water equal to a large number of times the initial weight before absorption of water. This coefficient multiplying the weight of the water-retaining resin can, in particular, reach or exceed 400.
  • the water-retaining material is generally in solid, homogeneous or heterogeneous form, depending on the composition.
  • the water-retaining material 2 also has the property of being able to be intimately and permanently associated with the support sheet so as to form a whole with the latter. In particular, the water-retaining material 2 remains associated with the support sheet 1, even after the absorption of water.
  • the water-retaining material 2 is associated with the support sheet 1 by being either incorporated therein, or superimposed thereon. In the latter case, the water-retaining material can be placed on one of the faces or on both sides of the support sheet 1.
  • the water-retaining material 2 is distributed generally continuously or, on the contrary, discontinuously, in particular by points, by lines, etc.
  • the amount of water-repellent material 2 is adapted to the amount of water to be absorbed and this according to the product to be packaged, according to knowledge well known to the skilled person.
  • the means of association 3 of the water-retaining material 2 with the support sheet 1 have the function of ensuring cohesion of the material, even after the water-retentive material has absorbed a quantity of water which can be very large.
  • the association means 3 can also be the subject of several alternative embodiments. They can be formed by the water-retaining material itself having a certain tackiness or can be constituted by an additional material, such as an adjuvant.
  • the different variants of the support sheet 1, of the water-retaining material 2 and of the association means 3 can be combined with one another.
  • the material according to the invention may comprise the combination of several of the constituent means described above, for example several materials constituting the support sheet and / or several water-retaining materials and / or several means of association.
  • the material thus produced is in the form of a single layer.
  • this layer may itself include one or more support sheets and / or one or more water-retaining materials.
  • a support sheet 1 In a process for manufacturing a material as it has just been defined, one starts from a support sheet 1 and from a water-retaining material 2, as defined above and is closely associated therewith. 'with each other, thanks to the means of association 3.
  • These means of association 3 mainly use an adhesive power, either of the water-repellent material, or, as already indicated, additional materials.
  • This material having this tackiness is either sprayed or coated on the support sheet and / or the water-retaining material or else intimately mixed with the water-retaining material 2, in particular with a varnish or an ink.
  • the spraying or coating is carried out continuously or even locally, in particular by points or by lines.
  • the invention also relates to a packaging of a moisture-sensitive product, as already indicated, using the material described above.
  • Such packaging may include at least one layer of such a material arranged to form a package by means of at least one fold 7 and / or a curvature. This layer has characteristics such that it can be welded and / or glued on itself, so as to form a package which can be hermetic at the place of its closure.
  • the packaging has a first part made of thermoformed synthetic material and sealed with a second material, one of the two or both as defined above.
  • the invention is more particularly intended for a product sensitive to humidity and in particular to a food product. Tests have made it possible to show that, in the case of a product such as soft cheese, the use of the material according to the invention makes it possible to extend the life of the cheese while improving its taste properties.
  • the material which has just been described may be such that the support sheet 1 is a paper, the water-repellent material 2 is one of the polymers selected, the support sheet 1 and the water-retaining material 2 being associated as follows: the inner face of the paper is coated with water-repellent powder, itself bonded discontinuously, namely by lines, with a cellulose derivative.
  • the support sheet is a paper of 40 g per m 2 and 40 micrometers thick.
  • the water-repellent material is a polyacrylonitryl resin manufactured by the company NORSOLOR under the brand AQUAKEEP 10 SH. This polyacrylonitryl resin and this paper were combined with one another by spraying the resin onto the paper, in amounts which can vary from 3 to 30 g of resin per m 2 of paper and bonding using a sticky adjuvant such as 'a cellulose derivative.
  • a sticky adjuvant such as 'a cellulose derivative.
  • Several cellulose derivatives have been used: ethyl, hydroxyethyl cellulose.
  • the material thus produced was applied to soft cheeses, as well as pressed cheeses. It allowed a recovery of 30% in water compared to the initial weight of the packaging and the maintenance of a balance in terms of the open water (AW) activity of the cheese.
  • AW open water
  • a material was produced comprising a support sheet, namely a non-woven composite of 30 g per m 2 , consisting of synthetic and cellulosic fibers (NH 12 + NH 22 from the company BOLLORE), associated with a water-repellent material, according to the example 1.
  • a material comprising a support sheet, namely polyvinyl chloride of approximately 34 g per m 2 , associated with a water-retaining material, namely a polyacrylonitrile resin of the order of 3 to 30 g per m2.
  • This polyacrylonitrile resin is sprayed onto the polyvinyl chloride and bonded to it using an adjuvant, namely an acrylic derivative fixing the polyacrylonitrile resin.
  • an adjuvant namely an acrylic derivative fixing the polyacrylonitrile resin.
  • the use of such a material has made it possible to store 20% of the initial water weight of the material. The application was carried out for packaging fragile mechanical parts with water.
  • a material was produced comprising a support sheet, namely polypropylene of the order of 18 to 20 g per m 2 , associated with a water-repellent material, according to Example 3.
  • the association of this polypropylene and of this polyacrylonitrile resin is carried out according to Example 3.
  • a material was produced comprising a double support, namely an aluminum foil 15 micrometers thick, complexed with paper of about 40 g, this support being associated with a water-retaining material, according to Example 1.
  • the polyacrylonitrile is dispersed with the adhesive, namely vinyl polymer, so as to achieve the association of polyacrylonitrile with paper.
  • a material was produced comprising a support layer consisting of a nonwoven composite at a rate of 31 g per m2 complexed with a tissue paper at a rate of 18 to 25 g per m 2 (KB 20 g at METNETT), associated with a material water-repellent, namely a polyacrylonitrile resin.
  • the water-repellent material is sprayed, at a rate of 3 to 30 g per m2 between the two layers and fixed by bonding, due to the water-retaining material itself, previously lightly impregnated with water.
  • a material was produced comprising a support consisting of an LMS cellulosic film (PVE AFNOR 600 g per m 2 24 hours) of the order of 33 g per m2 complexed with a nonwoven according to Example 2, this support being associated to a water-retaining material, namely polyacrylonitrile resin according to Example 1.
  • LMS cellulosic film PVE AFNOR 600 g per m 2 24 hours
  • the polyacrylonitrile resin is sprayed, at a rate of 3 g per m 2 of nonwoven and bonded thereto by lines of glue, with a permanent adhesive such as the MV 70H resin from WAKER.

Claims (14)

1. Folienartiges Material, insbesondere Packungsmaterial für gegenüber Feuchtigkeit empfindliche Nahrungsmittelprodukte, wie Käse, mit mindestens einer Lage aus einer Trägerfolie und mindestens einem Wasser zurückhaltenden Werkstoff, der mit der Trägerfolie über Verbindungsmittel innig verbunden ist, dadurch gekennzeichnet, daß der die Trägerfolie bildende Werkstoff aus einer durch Papier, Zellulosefilmen, regenerierter, reiner Zellulose, Polymeren, nämlich Polyethylen, Polypropylen, Polyvinylchlorid, Polyester gebildeten Gruppen ausgewählt ist, und daß der Wasser zurückhaltende Werkstoff aus einem Wasser zurückhaltenden Harz gebildet ist, das aus einer durch Polyacrylnitrile oder Copolymere auf Acrylonitrilbasis, die durch wäßrige alkalinische Lösungen aus aliphatischen oder zykloaliphatischen Alkoholen behandelt und mono- oder multifunktionell bei einem Schmelzpunkt größer oder gleich 110°C sind, gebildeten Gruppe ausgewählt ist.
2. Material nach Anspruch 1, dadurch gekennzeichnet, daß die Trägerfolie eine einzige Lage aufweist.
3. Material nach Anspruch 1, dadurch gekennzeichnet, daß die Trägerfolie mehrere Lagen aufweist.
4. Material nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß es außerdem mindestens eine Folie aus Aluminium aufweist, die mit einer Trägerfolie verbunden ist.
. 5. Material nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß die Trägerfolie gas-und/oder wasserdampfdicht ist.
6. Material nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß die Trägerfolie gas-und/oder wasserdampfdurchlässig ist.
7. Material nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, daß der Wasser zurückhaltende Werkstoff in die Trägerfolie eingebracht ist.
8. Material nach einem der Ansprüche 1 - 6, dadurch gekennzeichnet, daß der Wasser zurückhaltende Werkstoff auf die Trägerfolie aufgebracht ist.
9. Material nach einem der Ansprüche 1 - 8, dadurch gekennzeichnet, daß die Verbindungsmittel des Wasser zurückhaltenden Werkstoffes an der Trägerfolie Klebeeigenschaften aufweisen und in dem Wasser zurückhaltenden Werkstoff enthalten sind.
10. Material nach einem der Ansprüche 1 - 8, dadurch gekennzeichnet, daß die Verbindungsmittel des Wasser zurückhaltenden Werkstoffes an der Trägerfolie Haftvermögen besitzt und durch einen Zuschlagstoff gebildet sind.
11. Material nach einem der Ansprüche 1 - 10, dadurch gekennzeichnet, daß es in der Form einer einzigen Lage gebildet ist.
12. Material nach einem der Ansprüche 1-10, dadurch gekennzeichnet, daß es mehrere Lagen aufweist.
13. Verpackung, dadurch gekennzeichnet, daß sie mindestens eine Lage aus einem Material nach einem der Ansprüche 1 - 12 aufweist, das mindestens einen Falz und/oder Krümmung besitzt und mit sich insbesondere verschweißt und/oder verklebt ist.
14. Verpackung, dadurch gekennzeichnet, daß sie aus einem ersten synthetischen Werkstoff gebildet ist, der warm verformt und mit einem zweiten Werkstoff bedeckt ist, wobei einer der mindestens zwei Werkstoffe nach einem der Ansprüche 1 bis 12 ausgebildet ist.
EP86402660A 1985-12-03 1986-12-01 Packungsmaterial für feuchtempfindliche Produkte und daraus bestehende Verpackungen. Expired - Lifetime EP0229550B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8517879A FR2590874B1 (fr) 1985-12-03 1985-12-03 Nouvel emballage pour produits sensibles a l'humidite
FR8517879 1985-12-03

Publications (2)

Publication Number Publication Date
EP0229550A1 EP0229550A1 (de) 1987-07-22
EP0229550B1 true EP0229550B1 (de) 1990-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402660A Expired - Lifetime EP0229550B1 (de) 1985-12-03 1986-12-01 Packungsmaterial für feuchtempfindliche Produkte und daraus bestehende Verpackungen.

Country Status (6)

Country Link
US (1) US4977031A (de)
EP (1) EP0229550B1 (de)
DE (1) DE3672231D1 (de)
ES (1) ES2016272B3 (de)
FR (1) FR2590874B1 (de)
PT (1) PT83865B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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JPH01130730A (ja) * 1987-11-18 1989-05-23 Showa Denko Kk 吸水量を制御した脱水用具
EP0320314B1 (de) * 1987-12-10 1995-07-19 Japan Exlan Company, Ltd. Wasserabsorbierender Bogen für Nahrungsmittel
US4997082A (en) * 1988-06-28 1991-03-05 Kimberly-Clark Corporation Humidistat
DE8914313U1 (de) * 1989-12-05 1990-01-25 Meier + Niehaus Gmbh, 4292 Rhede, De
JPH0734865Y2 (ja) * 1990-02-21 1995-08-09 株式会社クラレ 食品の包装材
US20020092269A1 (en) * 2001-01-16 2002-07-18 Weder Donald E. Wrapper for a floral grouping formed of a sheet of material having a contoured configuration
CA2141864A1 (en) * 1992-08-06 1994-02-17 Brian David Patterson A package allowing cooling and preservation of horticultural produce without condensation or desiccation
DE4336629A1 (de) * 1993-10-27 1995-05-04 Coronet Werke Gmbh Verpackungsfolie
FR2716174B1 (fr) * 1994-02-14 1996-05-03 Cmb Flexible Feuille d'emballage souple pour produits sensibles à l'humidité, notamment pour produits fromagers.
CH690760A5 (de) * 1996-08-13 2001-01-15 Alusuisse Tech & Man Ag Verpackungsmaterial zum Einschlagen von feuchtigkeitssensiblen Produkten, wie Weichkäse.
US6352152B1 (en) * 1998-12-18 2002-03-05 Smithkline Beecham Corporation Method and package for storing a pressurized container containing a drug
WO2001094105A1 (en) 2000-06-08 2001-12-13 Pechiney Emballage Flexible Europe Laminated thermoformable film structures useful for packaging food products
GB2385579A (en) * 2002-02-21 2003-08-27 John Firth Liquid containment material
ATE334899T1 (de) * 2002-11-08 2006-08-15 Heinz-Dieter Schmidt Verpackung für spargeln
CA2549227A1 (en) * 2003-12-03 2005-06-16 Commonwealth Scientific And Industrial Research Organisation Processes for the production of packaging material for transporting and storing perishable goods
EP1842794B1 (de) * 2006-04-03 2009-06-17 Cryovac, Inc. Käseverpackung
JP2009533563A (ja) * 2006-04-13 2009-09-17 ディーエスエム アイピー アセッツ ビー．ブイ． 蒸着トリアジンを含む紙基材、および前記基材を含むラミネートの製造方法
KR100815059B1 (ko) * 2006-08-11 2008-03-18 주식회사 엘지화학 차수시트
GB0817165D0 (en) 2008-09-19 2008-10-29 Nature Delivered Ltd Food delivery packaging and process
DE202012100002U1 (de) * 2012-01-02 2013-04-05 Mcairlaid's Vliesstoffe Gmbh & Co. Kg Feuchtigkeitsregulierendes Element zur Verwendung in Verpackungen
WO2013102785A1 (en) * 2012-01-06 2013-07-11 Amcor Flexibles France Packaging sheet, packaging and associated manufacturing method
ES2587558T3 (es) * 2013-07-03 2016-10-25 Amcor Flexibles France Lámina de envasado, envase y utilización de dicha lámina de envasado
EP2963177A1 (de) * 2014-07-04 2016-01-06 Danapak Flexibles A/S Verpackungsfolie zur Verpackung von Käse und zugehörige Verpackungs- und Herstellungsverfahren
SE539751C2 (en) 2015-11-09 2017-11-14 Stora Enso Oyj Active moisture control material for packaging and a method for production thereof
EP3296103A1 (de) 2016-09-19 2018-03-21 Amcor Flexibles France SAS Verpackungslaminat
TWI768437B (zh) * 2020-08-20 2022-06-21 南亞塑膠工業股份有限公司 保鮮膜結構及其製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070678A2 (de) * 1981-07-18 1983-01-26 Idemitsu Kosan Company Limited Verbundschichtstoffe
EP0120624A2 (de) * 1983-03-28 1984-10-03 Ex-Cell-O Corporation Beschichteter Pappbehälter mit aufsaugbeständigen Mitteln und Zuschnitt zu seiner Herstellung
EP0204324A2 (de) * 1985-06-05 1986-12-10 Idemitsu Petrochemical Co. Ltd. Kunststofflaminat

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970339C (de) * 1940-09-14 1958-09-11 Stahl Und Walzwerke Rasselstei Verfahren zur Herstellung von mit einer Folie ueberzogenen Metallbaendern oder -blechen zur Herstellung von Dosen oder aehnlichen Behaeltern
GB696373A (en) * 1950-09-04 1953-08-26 American Viscose Corp Improvements in or relating to the wrapping of meat
FR1433389A (fr) * 1965-01-11 1966-04-01 Perfectionnement à l'emballage des denrées alimentaires
DE2512995C3 (de) * 1975-03-24 1979-11-29 Hoechst Ag, 6000 Frankfurt Folienschlauch, insbesondere Verpackungshülle
GB1579832A (en) * 1976-05-19 1980-11-26 Mardon Flexible Packaging Ltd Flexible pouches and bags
US4048390A (en) * 1976-12-20 1977-09-13 Electric Power Research Institute, Inc. Na/s cell reactant container with metal aluminide coating
DE3108795A1 (de) * 1981-03-07 1982-09-16 Hoechst Ag, 6000 Frankfurt Fuer lebensmittel, insbesondere wurstwaren, geeignete faserverstaerkte schlauchhuelle und verfahren zu ihrer herstellung
US4467012A (en) * 1981-08-05 1984-08-21 Grain Processing Corporation Composition for absorbent film and method of preparation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070678A2 (de) * 1981-07-18 1983-01-26 Idemitsu Kosan Company Limited Verbundschichtstoffe
EP0120624A2 (de) * 1983-03-28 1984-10-03 Ex-Cell-O Corporation Beschichteter Pappbehälter mit aufsaugbeständigen Mitteln und Zuschnitt zu seiner Herstellung
EP0204324A2 (de) * 1985-06-05 1986-12-10 Idemitsu Petrochemical Co. Ltd. Kunststofflaminat

Also Published As

Publication number Publication date
ES2016272B3 (es) 1990-11-01
PT83865A (fr) 1987-01-01
FR2590874B1 (fr) 1988-05-27
EP0229550A1 (de) 1987-07-22
PT83865B (pt) 1993-01-29
US4977031A (en) 1990-12-11
DE3672231D1 (de) 1990-08-02
FR2590874A1 (fr) 1987-06-05

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