EP1925732A1 - Packaging material with a barrier coating - Google Patents

Packaging material with a barrier coating Download PDF

Info

Publication number
EP1925732A1
EP1925732A1 EP06020511A EP06020511A EP1925732A1 EP 1925732 A1 EP1925732 A1 EP 1925732A1 EP 06020511 A EP06020511 A EP 06020511A EP 06020511 A EP06020511 A EP 06020511A EP 1925732 A1 EP1925732 A1 EP 1925732A1
Authority
EP
European Patent Office
Prior art keywords
packaging material
material according
packaging
paper
nanoparticles
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
EP06020511A
Other languages
German (de)
French (fr)
Inventor
Erfindernennung liegt noch nicht vor Die
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.)
Mondi AG
Original Assignee
Mondi Packaging 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 Mondi Packaging AG filed Critical Mondi Packaging AG
Priority to EP06020511A priority Critical patent/EP1925732A1/en
Publication of EP1925732A1 publication Critical patent/EP1925732A1/en
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply

Definitions

  • the invention relates to finished paper, paperboard, cardboard, woven or nonwoven fabrics, of wood-like materials, natural cellulose or plastic or their composites, etc., which are used as packaging materials and have a finishing layer.
  • paper essentially composites of paper are used with plastics produced by co-extruding or laminating processes.
  • plastics produced by co-extruding or laminating processes.
  • polyethylene or polyester films are bonded to the paper.
  • a packaging material comprising a corrugated wet strength paper, which is at least partially coated with a rubber adhesive known.
  • the adhesive is affixed to the wet strength paper such that it remains adherent during reslurrying to particles formed from the wet strength paper in the reslurried mixture, which particles are larger than and need to be separated from the recyclable fibers, otherwise in the recycling process problems arise during processing.
  • the invention relates to a packaging material for solid or liquid goods, consisting of paper, paperboard, cardboard, fabrics, nonwovens, of wood-like materials, natural cellulose or plastic or their composites, characterized in that the packaging material is a moisture and / or grease has a durable refining layer of a reslurry polymer with nanoparticles and / or microclay.
  • the finishing layer also has barrier properties.
  • Barrier properties of packaging are desired over a variety of materials, e.g. Water and steam, oxygen, fat and many flavors.
  • base material for the packaging material it is possible to use any paper, paperboard, any tissue and fleece of natural cellulose, wood-like materials or plastic with a basis weight of 15 g / m 3 to 15 kg / m 2 .
  • the coating consisting of the polymer and nanoparticles and / or microclay is applied to this base material by means of a refining process.
  • a coating of the corresponding polymer and of the nanoparticles and / or the microclays is preferably used as the coating.
  • Suitable dispersants are preferably water, but also suitable organic solvents.
  • Suitable polymers include, for example, polymers and copolymers of styrene, butadiene, isoprene, alkyl acrylates, alkyl methacrylates and ethylene.
  • aqueous dispersions or suspensions of modified styrene-butadiene copolymers have excellent barrier properties against water, water vapor and flavorings such as esters, fats and oils, as well as chemicals.
  • Suitable nanoparticles are particles having a size of 0.2 to 200 nm, preferably 10 to 50 nm, based on inorganic or organic compounds.
  • Suitable inorganic compounds are, for example, oxides, oxides and kaolin and the like.
  • Suitable organic compounds are polymers or copolymers, for example styrene copolymers.
  • Precipitated CaCO 3 having a particle size of 5 to 250 nm, preferably 10 to 50 nm, is suitable as the microclay.
  • the polymer dispersion preferably has 0.1-30% by weight of nanoparticles or microclays.
  • the coating after application to the paper has a basis weight of 1 to 30 g / m 2 , preferably 3 to 25 g / m 2 .
  • the amount applied depends on the texture of the base material, the desired barrier properties and the composition of the coating.
  • an adhesion promoter can be applied to the paper before the application of the polymeric coating. This is particularly advantageous when the base material has an open texture or when, for example, coated paper is used as the base material, wherein the coating is not compatible with the finishing layer.
  • Adhesion promoters used are commercial adhesion promoters, for example ionic or nonionic, optionally chemically modified adhesion promoters, for example also isocyanate-crosslinking primers. If appropriate, the adhesion promoter may also contain fillers, for example mineral or non-mineral fillers of natural or artificial origin, for example TiO 2 , Al 2 O 3 and the like.
  • the adhesion promoter is applied at a weight per unit area of 0.1 to 30 g / m 2 .
  • the paper or adhesive coated paper may be printed prior to printing with the aqueous dispersion of the polymer with a conventional ink for application of information.
  • Suitable printing methods for applying the adhesion promoter or the polymer dispersion are all customary coating and printing processes, such as gravure printing, flexographic printing, screen printing, offset printing, digital printing, curtain coating, spraying, roller application methods and the like.
  • the base material provided with the polymer coating according to the invention can also be pretreated before printing to improve the adhesion and stability of the printing by means of a suitable process, for example a corona or flame treatment.
  • the application of the finishing layer can be done in-line, for example, after production of the base material in a paper machine or after production of a composite, for example in an extrusion machine, or in a separate operation.
  • the paper printed in this way has excellent resistance to water, water vapor, fats, oils and chemicals.
  • the packaging material according to the invention is Wegaufschlämmbar and can therefore be fed directly to the waste paper recycling circuit.
  • the finishing layer of the invention is soluble in the slurry and presents no problems in a subsequent recycling process and therefore does not need to be skimmed off. A separation of the components of the packaging material is therefore not required.
  • the packaging material can be used as packaging of solid or liquid bulk materials, for sheet-like, lumpy, powdery, pasty, gelatinous or liquid consumer goods packaging.
  • the packaging material can be used, for example, for packaging foods, animal feed, cosmetics, pharmaceuticals, agricultural products, agrochemicals, fertilizers and the like, even if there is direct contact with the product.
  • packaging material may be used for the manufacture of films, bags, bags, pouches, folding cartons, paper packages, spiral wrapping, sleeves, tubes, corrugated packages, flexible, rigid or semi-rigid.
  • the packaging material according to the invention is particularly suitable for the production of ream packaging (Ream packaging), for the production of industrial sacks with inner and / or outer barrier layer, for the packaging of free-flowing goods, such as sugar.
  • the packaging of free-flowing goods can contain 2,000 g of free-flowing material.
  • packaging material can be used for technical composites.
  • the water vapor permeability was determined at 23 ° C and 75% relative humidity.
  • material Basis weight [g / m 2 ] Basis weight of the coating, dry [g / m 2 ] WVTR [g / m 2 d] PC + TC 107.8 9.7 11,50 base 100 - - control - - 6.41 WVTR ... water vapor permeability at 23 ° C, 75% relative humidity.
  • control Polyethylene coated paper, 12 g / m 2 PE PC ... adhesion promoter TC ... polymer coating: aqueous dispersion of a modified styrene-butadiene copolymer

Abstract

Packing material (A) for solid or liquid assets containing paper, pasteboard, cardboard, fabrics, fleeces, wood articles, natural cellulose, plastic or their composites, comprises a moisture-and/or bold resistant compensating layer of resuspendable polymers with nanoparticles and/or microclay. An independent claim is included for a method for the preparation of (A) comprising polymeric in-line coating, that takes place after the preparation of base material, or in separation process.

Description

Die Erfindung betrifft veredeltes Papier, Pappe, Karton, Gewebe oder Vliese, aus holzartigen Materialien, natürlicher Cellulose oder Kunststoff oder deren Verbunde etc., die als Verpackungsmaterialien verwendet werden und eine Veredelungsschicht aufweisen.The invention relates to finished paper, paperboard, cardboard, woven or nonwoven fabrics, of wood-like materials, natural cellulose or plastic or their composites, etc., which are used as packaging materials and have a finishing layer.

Zur Verpackung, beispielsweise von Papier werden im Wesentlichen Verbunde von Papier mit Kunststoffen, die durch Co-extrudieren oder Laminierverfahren hergestellt werden, verwendet.
Dabei werden beispielsweise Polyethylen- oder Polyesterfolien mit dem Papier verbunden.For packaging, for example paper, essentially composites of paper are used with plastics produced by co-extruding or laminating processes.
In this case, for example, polyethylene or polyester films are bonded to the paper.

Aus der EP 656 442 B1 ist ein Verpackungsmaterial umfassend ein gewelltes nassfestes Papier, das zumindest teilweise mit einem Kautschuk-Klebestoff beschichtet ist, bekannt. Der Klebstoff ist so an dem nassfesten Papier befestigt, dass er beim Wiederaufschlämmen an Partikeln haften bleibt, die sich aus dem nassfesten Papier in dem wiederaufgeschlämmtem Gemisch gebildet haben, wobei diese Partikel größer sind als die recyclierbaren Fasern und von diesen getrennt werden müssen, da ansonsten im Recyclingprozess Probleme bei der Verarbeitung entstehen.From the EP 656 442 B1 is a packaging material comprising a corrugated wet strength paper, which is at least partially coated with a rubber adhesive known. The adhesive is affixed to the wet strength paper such that it remains adherent during reslurrying to particles formed from the wet strength paper in the reslurried mixture, which particles are larger than and need to be separated from the recyclable fibers, otherwise in the recycling process problems arise during processing.

Gegenstand der Erfindung ist ein Verpackungsmaterial für feste oder flüssige Güter, bestehend aus Papier, Pappe, Karton, Geweben, Vliesen, aus holzartigen Materialien, natürlicher Cellulose oder Kunststoff oder deren Verbunde, dadurch gekennzeichnet, dass das Verpackungsmaterial eine feuchtigkeits- und/oder fett-beständige Veredelungsschicht aus einem wiederaufschlämmbaren Polymeren mit Nanopartikeln und/oder Microclay aufweist.The invention relates to a packaging material for solid or liquid goods, consisting of paper, paperboard, cardboard, fabrics, nonwovens, of wood-like materials, natural cellulose or plastic or their composites, characterized in that the packaging material is a moisture and / or grease has a durable refining layer of a reslurry polymer with nanoparticles and / or microclay.

Die Veredelungsschicht weist außerdem Barriereeigenschaften auf.The finishing layer also has barrier properties.

Barriereeigenschaften von Verpackungen werden gegenüber verschiedensten Stoffen erwünscht, z.B. Wasser und Wasserdampf, Sauerstoff, Fett und auch gegen viele Aromastoffe.Barrier properties of packaging are desired over a variety of materials, e.g. Water and steam, oxygen, fat and many flavors.

Als Basismaterial für das erfindungsgemäße Verpackungsmaterial kann beliebiges Papier, Pappe, beliebige Gewebe und Vliese aus natürlicher Cellulose, holzartigen Materialien oder Kunststoff mit einem Flächengewicht von 15 g/m3 bis 15 kg/m2 verwendet werden.As base material for the packaging material according to the invention, it is possible to use any paper, paperboard, any tissue and fleece of natural cellulose, wood-like materials or plastic with a basis weight of 15 g / m 3 to 15 kg / m 2 .

Auf dieses Basismaterial wird mittels eines Veredelungsverfahrens die Beschichtung bestehend aus dem Polymer und Nanopartikeln und/oder Microclay aufgebracht.
Als Beschichtung wird dabei vorzugsweise eine Dispersion des entsprechenden Polymers und der Nanopartikel und/oder des Microclays verwendet. Als Dispersionsmittel kommen vorzugsweise Wasser, aber auch geeignete organische Lösungsmittel in Frage.The coating consisting of the polymer and nanoparticles and / or microclay is applied to this base material by means of a refining process.
A coating of the corresponding polymer and of the nanoparticles and / or the microclays is preferably used as the coating. Suitable dispersants are preferably water, but also suitable organic solvents.

Als Polymere kommen beispielsweise Polymere und Copolymere von Styrol, Butadien, Isopren, Alkylacrylaten, Alkylmethacrylaten und Ethylen in Frage.Suitable polymers include, for example, polymers and copolymers of styrene, butadiene, isoprene, alkyl acrylates, alkyl methacrylates and ethylene.

Besonders bevorzugt werden wässrige Dispersionen oder Suspensionen von modifizierten Styrol-Butadien-Copolymeren eingesetzt.
Diese Polymere weisen ausgezeichnete Barriereeigenschaften gegen Wasser, Wasserdampf und Aromastoffe, wie beispielsweise Ester, Fette und Öle, sowie Chemikalien auf.Particular preference is given to using aqueous dispersions or suspensions of modified styrene-butadiene copolymers.
These polymers have excellent barrier properties against water, water vapor and flavorings such as esters, fats and oils, as well as chemicals.

Als Nanopartikel kommen Partikel einer Größe von 0,2 bis 200 nm, vorzugsweise 10 - 50 nm auf Basis von anorganischen oder organischen Verbindungen in Frage. Als anorgansiche Verbindungen kommen beispielsweise Al- oxide, Ti- oxide und Kaolin und dergleichen in Frage. Als organische Verbindungen kommen Poylmere oder Copolymere, beispielsweise Styrolcopolymere in Frage.Suitable nanoparticles are particles having a size of 0.2 to 200 nm, preferably 10 to 50 nm, based on inorganic or organic compounds. Suitable inorganic compounds are, for example, oxides, oxides and kaolin and the like. Suitable organic compounds are polymers or copolymers, for example styrene copolymers.

Als Microclay kommt gefälltes CaCO3 mit einer Teilchengröße von 5 - 250 nm, vorzugsweise 10 - 50 nm in Frage.
Die Polymerdispersion weist vorzugsweise 0,1 - 30 Gew% Nanopartikel bzw. Microclay auf.Precipitated CaCO 3 having a particle size of 5 to 250 nm, preferably 10 to 50 nm, is suitable as the microclay.
The polymer dispersion preferably has 0.1-30% by weight of nanoparticles or microclays.

Üblicherweise weist die Beschichtung nach dem Aufbringen auf das Papier ein Flächengewicht von 1 bis 30 g/m2 auf, vorzugsweise 3 bis 25 g/m2.Usually, the coating after application to the paper has a basis weight of 1 to 30 g / m 2 , preferably 3 to 25 g / m 2 .

Die Auftragsmenge ist abhängig von der Textur des Basismaterials, den gewünschten Barriereeigenschaften und der Zusammensetzung der Beschichtung.The amount applied depends on the texture of the base material, the desired barrier properties and the composition of the coating.

Gegebenenfalls kann vor der Aufbringung der polymeren Beschichtung ein Haftvermittler auf das Papier aufgebracht werden. Die ist insbesondere dann vorteilhaft, wenn das Basismaterial eine offene Textur aufweist oder wenn als Basismaterial beispielsweise gestrichenes Papier verwendet wird, wobei der Strich nicht kompatibel mit der Veredelungsschicht ist.If appropriate, an adhesion promoter can be applied to the paper before the application of the polymeric coating. This is particularly advantageous when the base material has an open texture or when, for example, coated paper is used as the base material, wherein the coating is not compatible with the finishing layer.

Als Haftvermittler kommen handelsübliche Haftvermittler, beispielsweise ionogene oder nicht ionogene, gegebenenfalls chemisch modifzierte Haftvermittler, beispielsweise auch isocyanatvernetzende Primer in Frage.
Der Haftvermittler kann gegebenenfalls auch Füllstoffe, beispielsweise mineralische oder nicht mineralische Füllstoffe, natürlichen oder künstlichen Ursprungs, beispielsweise TiO2, Al2O3 und dergleichen enthalten.Adhesion promoters used are commercial adhesion promoters, for example ionic or nonionic, optionally chemically modified adhesion promoters, for example also isocyanate-crosslinking primers.
If appropriate, the adhesion promoter may also contain fillers, for example mineral or non-mineral fillers of natural or artificial origin, for example TiO 2 , Al 2 O 3 and the like.

Üblicherweise wird der Haftvermittler mit einem Flächengewicht von 0,1 - 30 g/m2 aufgebracht.Usually, the adhesion promoter is applied at a weight per unit area of 0.1 to 30 g / m 2 .

Gegebenenfalls kann das Papier bzw. das mit dem Haftvermittler beschichtete Papier vor der Bedruckung mit der wässrigen Dispersion des Polymers mit einer konventionellen Druckfarbe zur Aufbringung von Informationen bedruckt werden.Optionally, the paper or adhesive coated paper may be printed prior to printing with the aqueous dispersion of the polymer with a conventional ink for application of information.

Als Druckverfahren zur Aufbringung des Haftvermittlers bzw. der Polymerdispersion kommen alle üblichen Beschichtungs- und Druckverfahren, wie Tiefdruck, Flexodruck, Siebdruck, Offsetdruck, Digitaldruck, Curtain-Coating, Besprühungen, Walzenauftragsverfahren und dergleichen in Frage.Suitable printing methods for applying the adhesion promoter or the polymer dispersion are all customary coating and printing processes, such as gravure printing, flexographic printing, screen printing, offset printing, digital printing, curtain coating, spraying, roller application methods and the like.

Gegebenenfalls kann das mit der erfindungsgemäßen Polymerbeschichtung versehene Basismaterial vor der Bedruckung auch zu Verbesserung der Haftung und Stabilität der Bedruckung mittels eines geeigneten Verfahrens, beispielsweise einer Corona- oder Flammbehandlung vorbehandelt werden.If appropriate, the base material provided with the polymer coating according to the invention can also be pretreated before printing to improve the adhesion and stability of the printing by means of a suitable process, for example a corona or flame treatment.

Es können auch Vorder- und Rückseite des zumindest einseitig mit der Veredlungsschicht versehenen Basismaterials über Wendestation bedruckt werden. Es können in üblicher Weise auch mehrere Druck- und/oder Farbschichten aufgebracht werden.
Ferner ist es möglich auch Lacke, beispielsweise strahlungshärtbare Lacke, z.B. UV-härtbare Lacksysteme in einem Druck- oder Beschichtungsverfahren aufzubringen.
Dabei können in den strahlungshärtbaren Lack in einem weiteren Verfahrensschritt auch Strukturen eingebracht werden, beispielsweise durch Prägen und dergleichen.
Als Druck- bzw. Beschichtungsverfahren kommen dabei alle üblichen bekannten, bereits oben erwähnten Verfahren in Frage.It is also possible to print the front and back sides of the base material provided with the finishing layer on at least one side by means of a turning station. It can be applied in a conventional manner, several printing and / or color layers.
Furthermore, it is also possible to apply lacquers, for example radiation-curable lacquers, for example UV-curable lacquer systems in a printing or coating process.
In this case, structures can also be introduced into the radiation-curable lacquer in a further method step, for example by embossing and the like.
In this case, all customary known processes already mentioned above can be considered as printing or coating processes.

Die Aufbringung der Veredelungsschicht kann in-line, beispielsweise nach Herstellung des Basismaterials in einer Papiermaschine oder nach Herstellung eines Verbundes, beispielsweise in einer Extrusionsmaschine, oder in einem getrennten Arbeitsgang erfolgen.The application of the finishing layer can be done in-line, for example, after production of the base material in a paper machine or after production of a composite, for example in an extrusion machine, or in a separate operation.

Das auf diese Weise bedruckte Papier weist eine ausgezeichnete Beständigkeit gegen Wasser, Wasserdampf, Fette, Öle und Chemikalien auf.The paper printed in this way has excellent resistance to water, water vapor, fats, oils and chemicals.

Ferner ist das erfindungsgemäße Verpackungsmaterial wiederaufschlämmbar und kann daher direkt dem Altpapierwiederverwertungskreislauf zugeführt werden. Die erfindungsgemäße Veredelungsschicht ist bei der Aufschlämmung löslich und bereitet in einem nachfolgenden Recyclingprozeß keine Probleme und muss daher nicht abgeschöpft werden.
Eine Trennung der Bestandteile des Verpackungsmaterials ist daher nicht erforderlich.Furthermore, the packaging material according to the invention is wiederaufschlämmbar and can therefore be fed directly to the waste paper recycling circuit. The finishing layer of the invention is soluble in the slurry and presents no problems in a subsequent recycling process and therefore does not need to be skimmed off.
A separation of the components of the packaging material is therefore not required.

Das Verpackungsmaterial kann als Verpackung von festen oder flüssigen Schüttgütern, für blattförmige, stückige, pulverförmige, pastöse, gelartige oder flüssige Konsumgüterverpackungen verwendet werden.The packaging material can be used as packaging of solid or liquid bulk materials, for sheet-like, lumpy, powdery, pasty, gelatinous or liquid consumer goods packaging.

Das Verpackungsmaterial kann beispielsweise zur Verpackung von Lebensmitteln, Tierfutter, Kosmetika, Pharmazeutika, Agrarprodukten, Agrarchemikalien, Düngemitteln und dergleichen verwendet werden, auch wenn ein direkter Kontakt zum Füllgut besteht.The packaging material can be used, for example, for packaging foods, animal feed, cosmetics, pharmaceuticals, agricultural products, agrochemicals, fertilizers and the like, even if there is direct contact with the product.

Ferner kann das Verpackungsmaterial für die Herstellung von Folien, Säcken, Taschen, Beuteln, Faltschachtein, Papierverpackungen, Spiralwickelverpackungen, Hülsen, Schläuchen, Wellpappeverpackungen, flexibel, starr oder halbstarr sein können verwendet werden.Further, the packaging material may be used for the manufacture of films, bags, bags, pouches, folding cartons, paper packages, spiral wrapping, sleeves, tubes, corrugated packages, flexible, rigid or semi-rigid.

Besonders geeignet ist das erfindungsgemäße Verpackungsmaterial zur Herstellung von Ries-Verpackungen (Ream - Verpackungen), zur Herstellung von Industriesäcken mit innen- und/oder außenliegender Barriereschicht, zur Verpackung rieselfähiger Güter, wie beispielsweise Zucker.
Dabei können die Verpackungen rieselfähiger Güter 2- 2000 g rieselfähiges Gut enthalten.The packaging material according to the invention is particularly suitable for the production of ream packaging (Ream packaging), for the production of industrial sacks with inner and / or outer barrier layer, for the packaging of free-flowing goods, such as sugar.
The packaging of free-flowing goods can contain 2,000 g of free-flowing material.

Ferner kann das Verpackungsmaterial für technische Verbunde verwendet werden.Furthermore, the packaging material can be used for technical composites.

Beispiel 1:Example 1:

Auf einer Flexodruckmaschine wurde auf das Basispapier mit einem Flächengewicht von 100 g/m2 folgende Schichten aufgebracht:

  • Haftvermittler
    1. 1. Farbdruck
    2. 2. Farbdruck
  • Trocknen bei 120°C
  • Polymerdispersion mit 5% Microclay
  • Trocknen bei 120 °C
  • Die Produktionsgeschwindigkeit betrug 110m/min
On a flexographic printing press, the following layers were applied to the base paper with a basis weight of 100 g / m 2 :
  • bonding agent
    1. 1. color printing
    2. 2nd color printing
  • Dry at 120 ° C
  • Polymer dispersion with 5% Microclay
  • Dry at 120 ° C
  • The production speed was 110m / min

Die Wasserdampfdurchlässigkeit wurde bei 23°C und 75% relativer Feuchtigkeit ermittelt. Material Flächengewicht [g/m2] Flächengewicht der Beschichtung, trocken [g/m2] WVTR [g/m2d] PC+TC 107,8 9,7 11,50 base 100 - - control - - 6,41 WVTR ... Wasserdampfdurchlässigkeit bei 23 °C, 75 % relativer Feuchtigkeit.
control ... Polyethylenbeschichtetes Papier, 12 g/m2 PE
PC ... Haftvermittler
TC ... Polymerbeschichtung: wässrige Dispersion eines modifizierten Styrolbutadiencopolymeren The water vapor permeability was determined at 23 ° C and 75% relative humidity. material Basis weight [g / m 2 ] Basis weight of the coating, dry [g / m 2 ] WVTR [g / m 2 d] PC + TC 107.8 9.7 11,50 base 100 - - control - - 6.41 WVTR ... water vapor permeability at 23 ° C, 75% relative humidity.
control ... Polyethylene coated paper, 12 g / m 2 PE
PC ... adhesion promoter
TC ... polymer coating: aqueous dispersion of a modified styrene-butadiene copolymer

Claims (17)

Verpackungsmaterial für feste oder flüssige Güter, bestehend aus Papier, Pappe, Karton, Geweben, Vliesen, aus holzartigen Materialien, natürlicher Cellulose oder Kunststoff oder deren Verbunde, dadurch gekennzeichnet, dass das Verpackungsmaterial eine feuchtigkeits-und/oder fett-beständige Veredelungsschicht aus einem wiederaufschlämmbaren Polymeren mit Nanopartikeln und/oder Microclay aufweist.Packaging material for solid or liquid goods, consisting of paper, paperboard, cardboard, fabrics, nonwovens, of wood-like materials, natural cellulose or plastic or their composites, characterized in that the packaging material is a moisture and / or fat-resistant finishing layer of a wiederaufschlämmbaren Having polymers with nanoparticles and / or microclay. Verpackungsmaterial nach Anspruch 1, dadurch gekennzeichnet, dass das wiederaufschlämmbare Polymer ausgewählt ist aus der Gruppe der Polymere und Copolymere von Styrol, Butadien, Isopren, Alkylacrylaten, Alkylmethacrylaten und Ethylen.Packaging material according to claim 1, characterized in that the remeltable polymer is selected from the group of polymers and copolymers of styrene, butadiene, isoprene, alkyl acrylates, alkyl methacrylates and ethylene. Verpackungsmaterial nach Anspruch 2, dadurch gekennzeichnet, dass das wiederaufschlämmbare Polymer ein modifziertes Styrol-Butadien-Copolymer ist.Packaging material according to claim 2, characterized in that the remeltable polymer is a modified styrene-butadiene copolymer. Verpackungsmaterial nach einem der Ansprüche 1 bis, 3, dadurch gekennzeichnet, dass die Veredelungsschicht 0,1- 30 Gew% an Nanopartikeln und/oder Microclay enthält.Packaging material according to one of claims 1 to 3, characterized in that the finishing layer contains 0.1-30% by weight of nanoparticles and / or microclay. Verpackungsmaterial nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Nanopartikel anorganische Partikel sind.Packaging material according to one of claims 1 to 4, characterized in that the nanoparticles are inorganic particles. Verpackungsmaterial nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Nanopartikel eine Größe von 0,2 bis 200 nm aufweisen.Packaging material according to one of claims 1 to 5, characterized in that the nanoparticles have a size of 0.2 to 200 nm. Verpackungsmaterial nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass Microclay eine Größe von 10- 50 nm aufweist.Packaging material according to one of claims 1 to 4, characterized in that microclay has a size of 10-50 nm. Verpackungsmaterial nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass zwischen Papier und Polymerbeschichtung ein Haftvermittler aufgebracht ist.Packaging material according to one of claims 1 to 7, characterized in that between paper and polymer coating, a bonding agent is applied. Verpackungsmaterial nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass gegebenenfalls beispielsweise auch mineralische oder nicht mineralische Füllstoffe, natürlichen oder künstlichen Ursprungs enthalten sind.Packaging material according to one of claims 1 to 8, characterized in that optionally also, for example, mineral or non-mineral fillers, natural or artificial origin are included. Verpackungsmaterial nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Papier bzw. die Haftvermittlerschicht mit einer oder mehreren Farben bedruckt ist.Packaging material according to one of claims 1 to 9, characterized in that the paper or the adhesive layer is printed with one or more colors. Verpackungsmaterial nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass das die Beschichtung aus dem wiederaufschlämmbaren Polymeren mit Nanopartikeln und/oder Microclay ein Flächengewicht von 1 bis 30 g/m2 aufweist.Packaging material according to one of claims 1 to 10, characterized in that the coating of the wiederaufschlämmbaren polymer with nanoparticles and / or Microclay has a basis weight of 1 to 30 g / m 2 . Verpackungsmaterial nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass die Haftvermittlerschicht ein Flächengewicht von 0,1 bis 30 g/m2 aufweist.Packaging material according to one of claims 4 to 6, characterized in that the adhesive layer has a basis weight of 0.1 to 30 g / m 2 . Verfahren zur Herstellung eines Verpackungsmaterials, dadurch gekennzeichnet, dass die polymere Beschichtung inline nach Herstellung des Basismaterial oder in einem getrennten Verfahrensschritt erfolgt.A process for producing a packaging material, characterized in that the polymeric coating takes place inline after production of the base material or in a separate process step. Verwendung des Verpackungsmaterials für feste oder flüssige Schüttgüter, blattförmige, stückige, pulverförmige, pastöse, gelartige oder flüssige Konsumgüter.Use of the packaging material for solid or liquid bulk goods, sheet-shaped, lumped, powdery, pasty, gelatinous or liquid consumer goods. Verwendung des Verpackungsmaterials zur Herstellung von Folien, Säcken, Taschen, Beuteln, Faltschachteln, Papierverpackungen, Spiralwickelverpackungen, Hülsen, Schläuchen, Wellpappeverpackungen, flexibel, starr oder halbstan- sein können.Use of the packaging material for the production of films, bags, bags, bags, cartons, paper packaging, spiral wrapping, sleeves, hoses, corrugated packaging, flexible, rigid or semi-can be. Verwendung des Verpackungsmaterials als technischer Verbunde.Use of the packaging material as technical composites. Verwendung des Verpackungsmaterials zur Herstellung von Riesverpackungen, zur Herstellung von Industriesäcken mit innen-und/oder außen-liegender Barriereschicht, oder zur Verpackung rieselfähiger Güter.Use of the packaging material for the production of ream packaging, for the production of industrial sacks with inside and / or outside barrier layer, or for the packaging of free-flowing goods.
EP06020511A 2006-09-29 2006-09-29 Packaging material with a barrier coating Ceased EP1925732A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06020511A EP1925732A1 (en) 2006-09-29 2006-09-29 Packaging material with a barrier coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06020511A EP1925732A1 (en) 2006-09-29 2006-09-29 Packaging material with a barrier coating

Publications (1)

Publication Number Publication Date
EP1925732A1 true EP1925732A1 (en) 2008-05-28

Family

ID=37719333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06020511A Ceased EP1925732A1 (en) 2006-09-29 2006-09-29 Packaging material with a barrier coating

Country Status (1)

Country Link
EP (1) EP1925732A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012163749A3 (en) * 2011-05-30 2013-04-11 Basf Se Paper and cardboard packaging with barrier coating
WO2013154414A1 (en) 2012-04-13 2013-10-17 Sigma Alimentos, S. A. De C. V. Hydrophobic paper or cardboard with self-assembled nanoparticles and method for the production thereof
US8771812B2 (en) 2011-05-30 2014-07-08 Basf Se Paper and cardboard packaging with barrier coating
EP2909027A4 (en) * 2012-10-18 2016-07-13 Tera Barrier Films Pte Ltd Encapsulation barrier stack
CN114059385A (en) * 2021-10-13 2022-02-18 广州慧谷化学有限公司 Barrier film for food paper and paperboard, and food paper and paperboard

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211510A1 (en) * 1992-04-06 1993-10-07 Gessner & Co Gmbh Recyclable, printable adhesive tape for packaging - has sized sodium kraft paper substrate, water-sensitive silicone-free release coat and opt. a soft primer on the other side etc.
EP0656442A1 (en) * 1993-12-03 1995-06-07 British Sisalkraft Limited Packaging material
US5837383A (en) * 1993-05-10 1998-11-17 International Paper Company Recyclable and compostable coated paper stocks and related methods of manufacture
US5897411A (en) * 1997-10-01 1999-04-27 Reichhold Chemicals, Inc. Repulpable moisture vapor barrier
WO2000040404A1 (en) * 1998-12-30 2000-07-13 Mobil Oil Corporation Coated films with improved barrier properties
WO2002018129A1 (en) * 2000-08-25 2002-03-07 International Paper Company Multilayer paperboard packaging structure including polyolefin/polyamide blend layer
US20040161594A1 (en) * 2003-02-19 2004-08-19 Joyce Margaret K. Nanoparticle barrier-coated substrate and method for making the same
WO2005047372A1 (en) * 2003-11-14 2005-05-26 Solvay (Société Anonyme) Composition containing a synthetic resin and a filler, methods for producing the composition and films obtained from this composition
EP1736504A1 (en) * 2005-06-21 2006-12-27 Weyerhaeuser Company Barrier material and method of making the same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211510A1 (en) * 1992-04-06 1993-10-07 Gessner & Co Gmbh Recyclable, printable adhesive tape for packaging - has sized sodium kraft paper substrate, water-sensitive silicone-free release coat and opt. a soft primer on the other side etc.
US5837383A (en) * 1993-05-10 1998-11-17 International Paper Company Recyclable and compostable coated paper stocks and related methods of manufacture
EP0656442A1 (en) * 1993-12-03 1995-06-07 British Sisalkraft Limited Packaging material
US5897411A (en) * 1997-10-01 1999-04-27 Reichhold Chemicals, Inc. Repulpable moisture vapor barrier
WO2000040404A1 (en) * 1998-12-30 2000-07-13 Mobil Oil Corporation Coated films with improved barrier properties
WO2002018129A1 (en) * 2000-08-25 2002-03-07 International Paper Company Multilayer paperboard packaging structure including polyolefin/polyamide blend layer
US20040161594A1 (en) * 2003-02-19 2004-08-19 Joyce Margaret K. Nanoparticle barrier-coated substrate and method for making the same
WO2005047372A1 (en) * 2003-11-14 2005-05-26 Solvay (Société Anonyme) Composition containing a synthetic resin and a filler, methods for producing the composition and films obtained from this composition
EP1736504A1 (en) * 2005-06-21 2006-12-27 Weyerhaeuser Company Barrier material and method of making the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012163749A3 (en) * 2011-05-30 2013-04-11 Basf Se Paper and cardboard packaging with barrier coating
US8771812B2 (en) 2011-05-30 2014-07-08 Basf Se Paper and cardboard packaging with barrier coating
WO2013154414A1 (en) 2012-04-13 2013-10-17 Sigma Alimentos, S. A. De C. V. Hydrophobic paper or cardboard with self-assembled nanoparticles and method for the production thereof
US9783930B2 (en) * 2012-04-13 2017-10-10 Sigmaq Alimentos, S.A. De C.V. Hydrophobic paper or cardboard with self-assembled nanoparticles and method for the production thereof
EP2909027A4 (en) * 2012-10-18 2016-07-13 Tera Barrier Films Pte Ltd Encapsulation barrier stack
CN114059385A (en) * 2021-10-13 2022-02-18 广州慧谷化学有限公司 Barrier film for food paper and paperboard, and food paper and paperboard

Similar Documents

Publication Publication Date Title
DE60033554T2 (en) PROCESS FOR PRODUCING PACKAGING MATERIAL
DE102019123558A1 (en) Resuspendable paper laminate and process for its manufacture
EP1925732A1 (en) Packaging material with a barrier coating
DE69412004T3 (en) Multilayer product
CH705696A2 (en) Packing material.
EP3784486A1 (en) Packaging film
EP1770215A1 (en) Packaging material with barrier layer
EP2076381A1 (en) Stand-up pouch consisting of a multi-layered film
DE4211510A1 (en) Recyclable, printable adhesive tape for packaging - has sized sodium kraft paper substrate, water-sensitive silicone-free release coat and opt. a soft primer on the other side etc.
WO2008037441A1 (en) Tubular bag consisting of a multi-layered film
EP2076380A1 (en) Flat bag consisting of a multi-layered film
EP2689927A1 (en) Packaging material with a barrier layer
DE1900521A1 (en) Method for treating the surface of a substrate web
EP4046792A1 (en) Recyclable packaging layer assembly with oxygen and water vapour barrier comprising a paper support layer
DE102020120274A1 (en) Adhesive label with improved recyclability
EP1285859A2 (en) Printed materials in web form, especially for container covers
AT522332B1 (en) Capsule board
DE10049665B4 (en) Multi-layer packaging for greasy goods and the use of a starch derivative therefor
EP4282647A1 (en) Composite for packaging food or pharmaceuticals
AT525125B1 (en) Recyclable paper packaging laminate with a thin barrier film and good tear properties
DE102019200705B3 (en) Method with generating a layer sequence from three compositions of at least partially different pH values, in particular for producing a carrier layer
EP4230412A1 (en) A composite for packaging food products and a method for its manufacture
AT16818U1 (en) Multi-layer paper web
EP3760437A1 (en) Transparent or at least contact transparent paper sheet composite and packages made from same
DE102022120789A1 (en) Retort sterilizable layer material with barrier layer made of metal oxide

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20080630