EP3260597B1 - Produit en fibres multicouches ayant un taux de migration inhibe d'hydrocarbures aromatiques ou satures et son procede de production - Google Patents

Produit en fibres multicouches ayant un taux de migration inhibe d'hydrocarbures aromatiques ou satures et son procede de production Download PDF

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EP3260597B1
EP3260597B1 EP16175642.4A EP16175642A EP3260597B1 EP 3260597 B1 EP3260597 B1 EP 3260597B1 EP 16175642 A EP16175642 A EP 16175642A EP 3260597 B1 EP3260597 B1 EP 3260597B1
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EP
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Prior art keywords
fibrous material
filter material
foodstuff
migration
layer
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German (de)
English (en)
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EP3260597A1 (fr
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Josua LEONHARDT
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Buchmann GmbH
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Buchmann GmbH
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Priority to SI201630342T priority Critical patent/SI3260597T1/sl
Priority to ES16175642T priority patent/ES2744317T3/es
Priority to PL16175642T priority patent/PL3260597T3/pl
Priority to EP16175642.4A priority patent/EP3260597B1/fr
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • D21F11/04—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • 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

Definitions

  • the present invention relates to a process for the production of a multi-ply fiber product, in particular a foodstuff packaging, with a compared to recycled fibers based fiber products reduced migration behavior of aromatic hydrocarbons, in particular aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH ), in which two or more fibrous layers are produced from a pulp suspension.
  • aromatic hydrocarbons in particular aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH ), in which two or more fibrous layers are produced from a pulp suspension.
  • the inventive method is characterized in that in at least one fibrous layer of the fiber product, a mineral filter material selected from the group of bentonites and / or saponites is added.
  • the pulp product of the present invention has an inhibited migration rate, i. the migration of MOAH and / or MOSH compounds from the pulp product (e.g., cardboard or paper) to the food is
  • Food packaging often consists of cardboard or paper and thus of vegetable fibers. These fibers can be obtained mechanically or chemically from plants or as so-called “secondary fibers" from waste paper.
  • the food comes into direct contact with the product packaging, which is particularly problematic if the food packaging contains mineral oils that can migrate into the food. These include, in particular, saturated mineral oil hydrocarbons (MOSH) and aromatic mineral oil hydrocarbons (MOAH). Even small amounts of these substances can lead to health problems in the consumption of foodstuffs, up to serious diseases such as cancer.
  • MOSH saturated mineral oil hydrocarbons
  • MOAH aromatic mineral oil hydrocarbons
  • Particularly susceptible to the transfer of mineral oil components of recycled packaging are durable foods, such as pasta or rice. Particularly vulnerable are recycled fiber-containing and / or printed folding cartons or recycled corrugated cardboard.
  • a major cause and authoritative source of mineral oil constituents in the food chain is the use of mineral oil containing newsprint inks Recycling cycle in food packaging from secondary fibers arrive.
  • there are other entry paths of MOSH / MOAH in the manufacturing and processing process for example due to the use of lubricants in primary production.
  • the migration of MOAH and MOSH into foodstuffs to be packaged does not only occur in fiber products made from recycled fibers, but also in virgin fibers, which are stored or transported in recycled packaging.
  • MOSH and MOAH compounds While short-chain MOSH and MOAH compounds generally do not pose a problem because they evaporate in the drying process of paper and board making, the long-chain compounds are very migratory and therefore remain permanently in the fiber product.
  • MOSH and MOAH which do not evaporate due to the molecular weight in the drying process of paper or board production, but remain in the fiber product but are still capable of migration.
  • secondary fibrous cartons having a gray backside with a volume of between 1.3 and 1.45 cm 3 / g contents of 50 to 500 ppm MOSH and / or MOAH can be detected.
  • the extent to which migration of MOSH and MOAH compounds from the packaging to the food actually takes place depends on a large number of influencing factors.
  • packaging design in particular the ratio of mass of the packaging to mass of the food, the starting content of MOSH and MOAH in the packaging material, the storage temperature, the storage life, the particle size or specific surface of the food to be packaged, the polarity of the food and the Presence of diffusion-tight intermediate packaging.
  • WO 2012/175309 A1 proposed the use of a filter layer of activated carbon for the packaging product described therein.
  • the migration value should be lowered to 0.6 mg / kg of food.
  • the use of activated carbon as filter material has significant disadvantages. This includes, for example, the entry of deep black pigments in the manufacturing process and ultimately the final product. Furthermore, a blackening of the circulating waters within the production process by unretained, ie retained on the forming screen particles are observed. The black coloration of the pulp layer caused by the activated carbon is therefore undesirable, even if the layer is not visible from the outside. For example, when the cardboard is torn, fine carbon dust could be released, even if the filter material is part of an inner fibrous layer.
  • the migration value or rate indicates the amount (expressed in mg) that migrates within 10 days at a defined temperature (for example, from 40 ° or 60 ° C) to one kilogram of food.
  • a defined temperature for example, from 40 ° or 60 ° C.
  • the determination of mineral oil levels in food is considered to be extremely demanding, as it is a complex mixture that must be quantified as the sum of all components. In most cases, gas chromatographic analyzes are used, but they give very broad signals.
  • the simplest method for determining MOSH and MOAH involves the use of liquid chromatography gas chromatography flame ionization detection, LC-GC-FID (Federal Institute for Risk Assessment, BfR, determination of hydrocarbons from mineral oil (MOSH or MOAH) or plastics (POSH, PAO) in Packaging materials and dry foods by means of solid phase extraction and GC-FID, www.bfr.bund.de).
  • LC-GC-FID Frderal Institute for Risk Assessment, BfR, determination of hydrocarbons from mineral oil (MOSH or MOAH) or plastics (POSH, PAO) in Packaging materials and dry foods by means of solid phase extraction and GC-FID, www.bfr.bund.de).
  • An HPLC separation of MOSH and MOAH fractions can be carried out by means of normal phase chromatography, wherein the fractions are further separated by GC and detected with a FID.
  • the content of mineral oil components correlates with the proportion of recycled fibers in the packaging carton, wherein cardboard packaging with a high mineral oil content does not necessarily lead to increased loads in the food.
  • cardboard packaging with a high mineral oil content does not necessarily lead to increased loads in the food.
  • barriers used in children's nutritional products e.g., inner bags
  • Conspicuously high loads can be detected, for example, in cereal bar, biscuit and biscuit packaging (F. Armellini, Institute for Environmental and Food Safety of the province of Vorarlberg, Mineral Oil Components in Food (2012)).
  • the WO 2014/108844 is another example where a retention system is used to make a multi-ply paper or paperboard product using bentonite at a dosage of 2.4 kg / t based on dry weight. Again, a polyvinylamine is used. The aim of this system is to improve retention without increasing drainage. This should decouple retention and drainage.
  • a retention agent which belongs to the group of polyacrylamides, polymethacrylamides, polymers containing vinylamine units and / or the microparticle system.
  • Suitable inorganic components of the microparticle system are, for example, bentonite, colloidal silicic acid, silicates and / or calcium carbonate. Depending on the type and activation, the bentonite has a specific surface area of 60 to 800 m 2 / g. In the papermaking process, the bentonite is added to the cellulosic suspension, typically in the form of an aqueous bentonite slurry.
  • This bentonite slurry may contain up to 10% by weight of bentonite.
  • the addition of the retention agent takes place in the paper production process before shearing of the paper stock, between two shear stages or after the last shearing of the paper stock.
  • the addition of retention aids and / or dewatering agents to the paper stock is preferably carried out under turbulent flow of the aqueous formulations of the process chemicals. Again, the goal of retention, paper webs with to obtain an improved formation, especially in multi-layer fibrous webs.
  • Bentonite is also used in the production of a dashed paper, as described for example in US Pat EP 2 395 148 A1 , It mentions bentonite as the main constituent of the coating material, the application medium or the coating color. This should improve the surface finish and also the printability of the papers.
  • Bentonite is also used for impurity binding or Störstoffmaskleiter.
  • EP 0 760 406 A2 a method for masking dye particles in papermaking by retention of adherent particles on the cellulose fibers.
  • bentonite for impurity binding is also part of the DE 10 2005 039 850 A1 as well as the DE 10 2004 060 587 A1 .
  • Bentonite is added to the paper pulp or fiber pulp in order to achieve bonding of the impurities to the bentonite. By adding bentonite, adhesive substances are so wetted that they are no longer sticky and no longer tend to adhere to process machines (contaminant masking).
  • the inventive method is directed to the production of a migration-inhibiting multilayer fiber product, in particular a food packaging, with respect to a recycling fiber-based fiber product reduced migration behavior of aromatic hydrocarbons, especially aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH), in which two or more fiber layers are produced from a pulp suspension.
  • aromatic hydrocarbons especially aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH), in which two or more fiber layers are produced from a pulp suspension.
  • MOAH aromatic mineral oil hydrocarbons
  • MOSH saturated mineral oil hydrocarbons
  • a filter material based on a modified bentonite component is used.
  • the mineral filter material can be registered in different ways in the fiber product or applied to the fiber product.
  • the pulp suspension is added before the formation of the pulp layers.
  • the pulp suspension is added depending on the particular individual layer of the fibrous product (eg folding carton) 3 to 25 wt .-% filter material, based on the oven-dry pulp.
  • the mineral filter material is added as a dry product or as a pigment suspension, preferably with a solids content of 3 to 40 wt .-%, preferably between 3 to 25 wt .-%, added.
  • at least 20% by weight of mineral filter material, based on the dry weight are admixed.
  • not more than 25% by weight, preferably not more than 40% by weight, of mineral filter material, ie bentonite and / or saponite is added to the fibrous layer or introduced into the fibrous product.
  • the entry of the mineral filter material can take place in one or more fibrous layers. In this case, the dosage may be different in the individual or in all layers of the fiber product.
  • An intermediate layer denotes an additional layer which is inserted during the production process and which is arranged between two fibrous layers of the fibrous product and which comprises mineral filter material.
  • the mineral filter material is incorporated into one or more fibrous layers or into a single intermediate layer facing the food to be packaged of the finished product package.
  • the addition of the mineral filter material according to the invention into the food-attracted fibrous layer has proven to be the most effective Method for reducing the migration behavior of mineral oil hydrocarbons (MOAH) and / or saturated mineral oil hydrocarbons (MOSH).
  • MOAH mineral oil hydrocarbons
  • MOSH saturated mineral oil hydrocarbons
  • food-grade sheet is the cardboard backside of a carton box.
  • the entry of the mineral filter material is therefore preferably in a fibrous layer, which faces the food to be packaged, while other fibrous layers of the fibrous products do not contain the mineral filter material. It is preferably provided that at least one fibrous layer of the fibrous product contains no mineral filter material or only in such amounts as are present anyway during the production process (for example for the removal of contaminants).
  • a polyacrylamide for concentrating the mineral filter material in the fiber structure of the fibrous layer preferably a polyacrylamide, a polyethyleneimine or a polyvinylamine are added to the pulp suspension in addition.
  • polyacrylamide is added at a weight fraction of 0.005 to 0.05% and / or a polyethyleneimine and / or a polyvinylamine, in each case preferably with a weight fraction of 0.025 to 0.2%.
  • the addition of the mineral filter material in the pulp suspension can be done between each process stage of pulp processing or within the constant part of a paper or board machine. It must be ensured that a sufficient concentration of the filter material is present in the finished fiber product so that the migration value for MOSH is less than 2 mg / kg of food and / or the migration value for MOAH is less than 0.5 mg / kg of food.
  • the mineral filter material is metered between the individual fiber layers of the multilayer fiber product.
  • the mineral filter material is preferably sprayed into the sheet-forming zone of the at least one fibrous layer. This preferably takes place with the aid of a spray tube of the sheet-forming zone of the paper or board machine, preferably bentonite and / or saponite suspensions having a solids content of from 3 to 40% being used.
  • a spray tube of the sheet-forming zone of the paper or board machine preferably bentonite and / or saponite suspensions having a solids content of from 3 to 40% being used.
  • cone jet nozzles are used, which enable a homogeneous distribution of the mineral filter material over the transverse profile of the fiber product.
  • the mineral filter material is applied directly to the surface of the at least one fibrous layer of the fiber product. This can be done for example as an application in the form of a coating color.
  • the mineral filter material is present as a coating color pigment, with pigment fractions of 20 to 60% have proved advantageous, since these are easier to handle due to their rheological properties.
  • starch or polymer dispersions it is also possible to use starch or polymer dispersions. Binder proportions of between 10 and 20%, based on the oven-dried pigment, are preferably used.
  • the filter material may be applied as a "coating color" to a food-facing side of the fiber product by means of a roller blade, a doctor blade, an air brush or a curtain coater, i. the cardboard or paper.
  • the present invention also relates to a migration-inhibiting multilayer fiber product produced by the process according to the invention, in particular a food packaging, having a reduced migration behavior of aromatic hydrocarbons, in particular aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, for a fibrous product to be packaged against recycled fiber-based fiber products , in particular saturated mineral oil hydrocarbons (MOSH), wherein the fiber product consists of two or more fibrous layers.
  • the fibrous product according to the invention is characterized in that at least one fibrous layer of the multilayer fibrous product comprises a mineral filter material selected from the group of bentonites and / or saponites.
  • the entry or application of the mineral filter material preferably takes place at the food-attracting fibrous layer of the fibrous product, ie at the inside of the foodstuff packaging.
  • an intermediate layer which comprises the mineral material according to the invention, is disposed between two fibrous layers of the manufacturing process.
  • the fibrous layer of the multi-ply fiber product contains mineral filter material with a migration value for MOSH less than 2 mg / kg of food and / or a migration value for MOAH less than 0.5 mg / kg of food.
  • the migration inhibition is so strong that the migration value for MOSH is less than 1 mg / kg of food and / or the migration value for MOAH is less than 0.25 mg / kg of food.
  • the mineral filter material is preferably present in the fibrous layer at a weight fraction of from 3 to 40% by weight.
  • the use of a modified montmorillonite as bentonite has proved to be particularly advantageous for the migration behavior.
  • a variant of the fiber product according to the invention provides that the mineral filter material is contained in at least one, preferably several fibrous layers.
  • the invention further relates to the use of such a multilayer fiber product, in particular a food package, for reducing the migration of aromatic hydrocarbons, in particular aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH), in a to be packaged Foods.
  • aromatic hydrocarbons in particular aromatic mineral oil hydrocarbons (MOAH) and / or saturated hydrocarbons, in particular saturated mineral oil hydrocarbons (MOSH)
  • the entry or application of the mineral filter material on the food-facing side offers significant advantages, since the material is fully recyclable and the introduction of the filter material is parallel to the production of the paper or cardboard. As a result, no further value creation step is required.
  • One embodiment variant provides for a four-ply cardboard in which the mineral filter material is applied or registered in one or more fibrous layers.
  • a box consists of an insert, a back with a backsize, a protective layer and a cover layer with top coat.
  • the protective layer is missing, so that it consists of a cover layer with top coat, an insert and a back with backside stroke.
  • the mineral filter material can thus be located in the fiber structure of the insert or the back.
  • the reverse side coat of the back can also be provided with a coating pigment which contains a bentonite and / or saponite.
  • the filter material according to the invention can also be integrated between the insert and the back in the fiber structure.
  • two layers of a four-ply paperboard were spiked with a modified montmorillonite-based bentonite. Depending on the individual layer, 5 to 15% of bentonite, based on the oven-dry fiber mass, was added to the pulp suspension.
  • the migration behavior was analyzed analytically. In this case, the cardboard with the filter material and a standard quality without filter material was compared with respect to the migration of MOAH. The migration was tested on the basis of a test food substitute (modified polyphenylene oxide MPPO, Tenax®) after 10 days at a temperature of 60 °
  • Fig. 1 The result of the investigation is in Fig. 1 shown. It can be clearly seen that the MOAH migration (C16-C35) in the filter cardboard samples according to the invention could be reduced almost completely in comparison to conventional folding boxboard.
  • the migration limit is determined on the basis of an EU cube model describing a cube-shaped package with an edge length of 1 dm filled with 1 kg of food. As a result, according to this model, 6 dm 2 of packaging material faces one kg of food.
  • Fig. 2 a simplified process schematic is shown to show preferred metering points for introducing the mineral filter material of the present invention into the pulp layer in the area of the constant part of a papermaking machine.
  • the introduction of the mineral filter material therefore preferably takes place in front of the machine chest, before the use of white water, before the headbox pump is pressurized, before the pressure sorter or in front of the headbox.
  • these metering points for the filter material in the process flow are possible.
  • Fig. 3 shows a variant of a multi-ply fiber product 1 in the form of a carton in cross section.
  • the fibrous product 1 comprises a cover layer 3 with an outer cover coat 2, a protective layer 4, an insert 5 and a back 6 with an adjoining backsheet 7.
  • the fibrous product 1 comprises the cover layer 3, the protective layer 4, the insert 5 and / or the back 6 one or more fibrous layers.
  • the back 6 of the fiber product 1 is usually the food-facing fibrous layer and is mixed with a mineral filter material 9 (bentonite) in migration-inhibiting concentrations for MOAH and / or MOSH.
  • the bentonite compound is preferably present with a MOAH and MOSH weight content of 3 to 40 wt .-% in the fibrous layer of the back 6.
  • a further fibrous layer preferably the insert 5, be offset with a filter material 9 in this concentration range, while the remaining fibrous layers contain no or possibly production-related concentrations (eg due to the removal of impurities) of bentonite as a mineral filter material 9.
  • Fig. 4 shows a further variant of a fibrous product 1 (cardboard) in cross-section, which comprises a cover layer 3 with a top coat 2, a protective layer 4, an insert 5 and a back 6 with a backsheet 7.
  • the backside line 7 a mineral filter material 9.
  • the backsheet 7 may be offset with a mineral filter material 9.
  • Fig. 5 shows a further variant of a fibrous product 1 (cardboard) in cross-section, which also has a cover layer 3 with a top coat 2, a protective layer 4, an insert 5 and a back 6 with a backsheet 7.
  • the back 6 is offset in this embodiment with a mineral filter material 9.
  • a mineral filter material 9 is integrated as an intermediate layer 8 between the insert 5 and the back 6 in the fiber structure.
  • the intermediate layer 8 is preferably located to the food-facing side of the fiber product 1 between two adjacent pulp layers.
  • the intermediate layer 8 contains the mineral filter material (eg bentonite and / or saponite) in migration-inhibiting concentrations, but not the fibrous layers 3, 4, 5, 6.
  • the mineral filter material 9 consists of a montmorillonite with a concentration of about 25 wt .-%.
  • the multi-layer migration-resistant fiber-fabric product according to the invention leads to a significant reduction or even complete reduction of the migration value for MOAH and MOSH under the limit values which are to be evaluated as safe from a health point of view.
  • the fiber product according to the invention is particularly suitable as food packaging, since hazardous mineral oil-containing hydrocarbons and their evaporation are prevented on or in the food by preventing the migration.

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Claims (15)

  1. Procédé de fabrication d'un produit fibreux (1) à couches multiples, en particulier d'un emballage alimentaire dans lequel des hydrocarbures aromatiques, notamment des hydrocarbures aromatiques d'huile minérale (MOAH), et/ou des hydrocarbures saturés, notamment des hydrocarbures saturés d'huile minérale (MOSH), présentent un comportement à la migration réduit par rapport à des produits fibreux à base de fibres recyclées, des couches (3, 4, 5, 6) de matériau fibreux, au nombre de deux ou plus, étant produites à partir d'une suspension de matériaux fibreux, caractérisé par l'adjonction, dans au moins une couche (3, 4, 5, 6) de matériau fibreux ou dans une couche intercalaire (8) interposée entre deux couches (3, 4, 5, 6) de matériau fibreux, d'un matériau filtrant minéral (9) choisi au sein du groupe des bentonites et/ou des saponites, le dosage dudit matériau filtrant minéral (9) étant calculé, dans la couche (3, 4, 5, 6) de matériau fibreux considérée, de façon telle que le taux de migration soit inférieur à 2 mg par kg d'aliment, pour des MOSH, et/ou que le taux de migration soit inférieur à 0,5 mg par kg d'aliment pour des MOAH.
  2. Procédé selon la revendication 1, caractérisé par le fait que le matériau filtrant minéral (9) est incorporé, dans la suspension de matériaux fibreux, préalablement à la formation des couches (3, 4, 5, 6) de matériau fibreux.
  3. Procédé selon la revendication 1 ou 2, caractérisé par le fait que le matériau filtrant minéral (9) est incorporé, dans la suspension de matériaux fibreux, en tant que produit sec ou en tant que suspension de pigments présentant, de préférence, une teneur en solides de 3 à 40 % en poids, préférentiellement de 3 à 25 % en poids.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé par le fait que le matériau filtrant minéral (9) est intégré, par pulvérisation, dans la zone de formation de feuilles de la couche (3, 4, 5, 6) de matériau fibreux, à présence minimale.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé par le fait que le matériau filtrant minéral (9) est déposé sur la surface de la couche (3, 4, 5, 6) de matériau fibreux, à présence minimale.
  6. Procédé selon la revendication 5, caractérisé par le fait que le matériau filtrant minéral (9) est déposé, sur la couche (3, 4, 5, 6) de matériau fibreux, en tant que pigment de couleur de revêtement présentant, de préférence, une part constitutive en pigments de 20 à 60% en poids.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé par le fait que l'adjonction ou le dépôt du matériau filtrant minéral (9) s'effectue dans, ou sur une couche (6, 7) de matériau fibreux d'un emballage alimentaire qui est tournée vers les aliments.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé par l'incorporation additionnelle, dans le matériau filtrant minéral (9), d'un polyacrylamide présentant, de préférence, une part pondérale de 0,005 à 0,05 %, et/ou d'une polyéthylène-imine et/ou d'une polyvinylamine présentant respectivement, de préférence, une part pondérale de 0,025 à 0,2 %.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé par le fait que le dosage du matériau filtrant minéral (9), dans la couche (3, 4, 5, 6) de matériau fibreux considérée, est calculé de façon telle que le taux de migration soit inférieur à 1 mg par kg d'aliment, pour des MOSH, et/ou que le taux de migration soit inférieur à 0,25 mg par kg d'aliment pour des MOAH.
  10. Produit fibreux (1) à couches multiples, en particulier emballage alimentaire dans lequel des hydrocarbures aromatiques, notamment des hydrocarbures aromatiques d'huile minérale (MOAH), et/ou des hydrocarbures saturés, notamment des hydrocarbures saturés d'huile minérale (MOSH), présentent un comportement à la migration réduit par rapport à des produits fibreux à base de fibres recyclées, pour une denrée alimentaire devant être emballée, ledit produit fibreux étant constitué par des couches (3, 4, 5, 6) de matériau fibreux, au nombre de deux ou plus, caractérisé par le fait qu'au moins une couche (3, 4, 5, 6) de matériau fibreux ou une couche intercalaire (8) dudit produit fibreux (1) à couches multiples, interposée entre deux couches (3, 4, 5, 6) de matériau fibreux, inclut un matériau filtrant minéral (9) choisi au sein du groupe des bentonites et/ou des saponites, le dosage dudit matériau filtrant minéral (9) étant calculé, dans la couche (3, 4, 5, 6) de matériau fibreux considérée, de façon telle que le taux de migration soit inférieur à 2 mg par kg d'aliment, pour des MOSH, et/ou que le taux de migration soit inférieur à 0,5 mg par kg d'aliment pour des MOAH.
  11. Produit fibreux (1) selon la revendication 10, caractérisé par le fait que le matériau filtrant minéral (9) est présent, dans la couche (3, 4, 5, 6) de matériau fibreux, avec une part pondérale de 3 à 40% en poids.
  12. Produit fibreux (1) selon la revendication 10 ou 11, caractérisé par le fait que la bentonite du matériau filtrant minéral (9) est une montmorillonite modifiée.
  13. Produit fibreux (1) selon l'une des revendications 10 à 12, caractérisé par le fait que le matériau filtrant minéral (9) est renfermé, par au moins une couche (3, 4, 5, 6) de matériau fibreux, en des concentrations inhibant une migration de MOAH et/ou de MOSH, de façon telle que le taux de migration soit inférieur à 2 mg par kg d'aliment, pour des MOSH, et/ou que le taux de migration soit inférieur à 0,5 mg par kg d'aliment pour des MOAH.
  14. Produit fibreux (1) selon l'une des revendications 10 à 13, caractérisé par le fait que le matériau filtrant minéral (9) est déposé sous la forme d'une enduction (7) sur la surface de la face postérieure d'une couche (6) de matériau fibreux, en des concentrations inhibant une migration de MOAH et/ou de MOSH, de façon telle que le taux de migration soit inférieur à 2 mg par kg d'aliment, pour des MOSH, et/ou que le taux de migration soit inférieur à 0,5 mg par kg d'aliment pour des MOAH.
  15. Utilisation d'un produit fibreux (1) à couches multiples, en particulier d'un emballage alimentaire conforme à l'une des revendications 10 à 14, en vue de réduire la migration, dans un aliment à emballer, d'hydrocarbures aromatiques, notamment des hydrocarbures aromatiques d'huile minérale (MOAH), et/ou d'hydrocarbures saturés, notamment des hydrocarbures saturés d'huile minérale (MOSH).
EP16175642.4A 2016-06-22 2016-06-22 Produit en fibres multicouches ayant un taux de migration inhibe d'hydrocarbures aromatiques ou satures et son procede de production Revoked EP3260597B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201630342T SI3260597T1 (sl) 2016-06-22 2016-06-22 Večplastni izdelek iz vlaken z zavrto hitrostjo migracije aromatskih ali nasičenih ogljikovodikov in postopek za njegovo izdelavo
ES16175642T ES2744317T3 (es) 2016-06-22 2016-06-22 Producto de fibra multicapa con un ritmo de migración inhibido de hidrocarburos aromáticos o saturados y procedimiento para su fabricación
PL16175642T PL3260597T3 (pl) 2016-06-22 2016-06-22 Wielowarstwowy wyrób z materiału włóknistego o spowolnionej szybkości migracji węglowodorów aromatycznych lub węglowodorów nasyconych i sposób jego wytwarzania
EP16175642.4A EP3260597B1 (fr) 2016-06-22 2016-06-22 Produit en fibres multicouches ayant un taux de migration inhibe d'hydrocarbures aromatiques ou satures et son procede de production

Applications Claiming Priority (1)

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EP16175642.4A EP3260597B1 (fr) 2016-06-22 2016-06-22 Produit en fibres multicouches ayant un taux de migration inhibe d'hydrocarbures aromatiques ou satures et son procede de production

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EP3260597A1 EP3260597A1 (fr) 2017-12-27
EP3260597B1 true EP3260597B1 (fr) 2019-06-05

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EP (1) EP3260597B1 (fr)
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SI3260597T1 (sl) 2019-10-30
ES2744317T3 (es) 2020-02-24
EP3260597A1 (fr) 2017-12-27
PL3260597T3 (pl) 2019-11-29

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