Abstract: The invention relates to an activatable adhesive label comprising a flexible web-shaped viewing material. At least one adhesive layer made of a moisture-activatable adhesive that is not adhesive in the dry state is applied onto one side of the flexible viewing material, wherein at least one central layer is provided which is designed to be adhesive and which is arranged between the viewing material and the adhesive layer.

Abstract: An ethylene-vinyl alcohol copolymer resin composition, including: an ethylene-vinyl alcohol copolymer (A); acetic acid and/or a salt thereof (B); an aliphatic carboxylic acid (C) other than acetic acid; and an aliphatic carboxylic acid metal salt (D), wherein a metal species of the salt (D) is at least one selected from long Periodic Table 4th-period d-block elements, and wherein respective contents of the acetic acid and/or the salt thereof (B), the acid (C), and the salt (D) satisfy the following formulae (1) and (2) on a weight basis is provided. The resin composition is excellent in impact resistance and adhesive strength even without being blended with any other resin: 0.001?(content of (D) in terms of metal ion/content of (B) in terms of acetic acid ion)?1.30??(1) 0.11?(content of (D) in terms of metal ion/content of (C) in terms of carboxylic acid ion)?100??(2).

Abstract: Provided is a multilayered container including a polyester layer containing a thermoplastic polyester resin (X) and a polyamide layer containing a polyamide resin (Y), wherein the polyester layer is an innermost layer, and the polyamide layer is an intermediate layer. The polyamide resin (Y) has a constituent unit derived from a diamine and a constituent unit derived from a dicarboxylic acid. At least 70 mol % of the constituent units derived from a diamine are a constituent unit derived from a xylylenediamine, and at least 70 mol % of the constituent units derived from a dicarboxylic acid are a constituent unit derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 20 carbons. When an overall thickness is 100%, the polyamide layer is present from a position of 5 to 35% from an inner surface, and a thickness of the polyamide layer is from 1 to 15%.

Abstract: Hygienic trays adapted to effectively restrain items under hygienic conditions are provided by equipping hygienic trays with an antipathogenic, cohesive and adhesive thermoset overlay provided in the form of an adhesive insert or tray coating. The overlay adhesively restrains emplaced items until manually removed from the overlay by the hygienic user while also providing an unexpected superior antipathogenic environment. The hygienic trays are particularly useful from hygienic applications wherein hygienic conditions and a need to stabilize trayed items against displacement are of a dominant concern. The tray may be of a simple platform design with or without a typical bordering rim which may be adapted for hand carriage or mounted onto another supportive structure.

Abstract: Containers are provided that include a body structure having a top end that defines an opening, a sealed base end, and a sidewall structure extending between the top and base ends, in which the sidewall structure has an interior surface and an exterior surface, the interior surface defining an interior space, and a protective coating that includes a diamond-like carbon on at least a portion of the exterior surface of the sidewall structure. Methods for enhancing the mechanical strength of containers are also provided.

Abstract: The present invention relates to a process for producing a polymer film (P) comprising a polyamide composition (PC) by extruding the polyamide composition (PC) through an annular die and then stretching the tube thus obtained by blowing in air. The present invention further relates to the polymer film (P) obtainable by the process of the invention and to a process for packaging foodstuffs with the polymer film (P).

Abstract: A gas-barrier multilayered container having (i) a layer of a propylene type polymer which chiefly includes a homopolypropylene having an isotactic index of not less than 93%, and (ii) a layer of an ethylene-vinyl alcohol copolymer having not less than two crystal melting peak temperatures. Also disclosed is a lustrous and shock-resistant multilayered container having at least (i) an outermost layer of a propylene type polymer A which chiefly includes a homopolypropylene having a melt flow rate of 2.0 to 10.0 g/10 min., and (ii) an inner layer of a propylene type polymer B which chiefly includes a homopolypropylene having a melt flow rate of not more than 1.0 g/10 min.

Abstract: A method of manufacturing a cartridge body for use in a cartridge associated with a beverage preparation system includes extruding a tubular structure, forming the tubular structure into a desired shape, and cutting the tubular structure at intervals to separate the tubular structure into individual cartridge bodies.

Abstract: Embodiments of a laminate structure for use in flexible packaging comprise a sealant film comprising ethylene-based polymer, and a multilayer polyethylene print film laminated to the sealant film. The print film comprises at least 3 layers and has an overall thickness from 15 to 30 ?m. The print film comprises a middle layer, an inner layer disposed between sealant film and the middle layer, and an outer layer, wherein the middle layer comprises at least 90% by weight high density polyethylene (HDPE) polymer having a density from 0.950 to 0.965 g/cc. The inner layer and the outer layer comprise linear low density polyethylene (LLDPE) having a density from 0.925 to 0.965 g/cc. The laminate structure yields desired optical and mechanical properties coupled with recyclability and improved printing efficiency, while maintaining these low thicknesses for the print film.

Abstract: By coating an inner surface of a preform, in which at least an inner surface is made of polyester and which has transparency, with a coating layer, which has elongation capacity and water insolubility, the inner surface of the preform is protected against a pressurized liquid by the coating layer when the pressurized liquid is supplied to the preform, and occurrence of cloudiness on an inner surface of a container after molding is prevented even in a case where a liquid having properties of eroding polyester and causing cloudiness on a polyester surface is used as the pressurized liquid during liquid blow molding.

Abstract: Provided is a tube structure for packaging products. The tube structure can include a tube body and a tube shoulder/nozzle. The tube shoulder/nozzle can include a barrier material. The barrier material can include high density polyethylene (HDPE), ethylene vinyl alcohol (EVOH) copolymer and cyclic olefin copolymer (COC).

Abstract: An apparatus for providing an interstitial space to the surface of wall, the apparatus comprises: an adhesive layer; a layer of fluid impervious and weather proof material in form of a tape, the tape partially overlapping itself; a layer of spacer material situated between the surface of the tape facing the wall and the surface of the adhesive layer distal from the wall. The spacer material has ends which are encapsulated, the apparatus providing a sealed interstitial space.

Abstract: Provided is a method for measuring the peeling stability of a release film and a release film laminate by measuring a high-speed release strength balance and a low-speed strength balance on the basis of General Formulas 1 and 2.

Abstract: A multilayer film for ostomy and bowel management applications includes a barrier layer comprising at least about 90% wt. nylon 6/69. The multilayer film provides excellent mechanical and odor barrier properties, and softness and quietness desired in ostomy and bowel management applications.

Abstract: An ink composition comprising an oxygen sensitive dye capable of fluorescing in a manner proportional to oxygen content; and a polymer matrix for the dye, the polymer matrix having units with pendant sulphonic acid or phosphonic acid groups or salts or esters of such groups, can be used with an appropriate meter to measure the oxygen content of packages in a non-invasive manner.

Abstract: Multilayer barrier heat shrinkable films and flexible containers made therefrom, such as bags, pouches and the like, useful for packaging articles, in particular food items are described. These films are characterized by particular shrinking properties, which provide for tight packages reducing the drip loss from the product packaged therein. Moreover, the bags obtained from such films are endowed with very good optical properties and high abuse resistance.

Abstract: Provided is a novel oxygen-absorbing resin composition having excellent oxygen-absorbing performance and suppressing odor generation after absorption of oxygen even if a material responsive to a metal detector is not used. Further provided is an oxygen-absorbing resin composition having excellent oxygen-absorbing performance in a wide range of humidity conditions from low humidity to high humidity. Such an oxygen-absorbing resin composition contains a copolymerized polyolefin compound and a transition metal catalyst, in which the copolymerized polyolefin compound contains at least one constituent unit having a tetralin ring.

Abstract: The detrimental effect of oxygen exposure on the formation of polyacrylamide electrophoresis gels in oxygen-permeable plastic cassettes is reduced or eliminated either by the use of an oxygen barrier material over the surfaces of the plastic walls of the cassette through which oxygen would otherwise pass into the cassette cavity, or by the incorporation of an oxygen scavenger in the plastic from which the cassette walls are made, or both.

Abstract: This specification discloses a composition of a melt blend comprising a continuos polyester phase, a cobalt of manganese compound and a first scavenging compound wherein the first scavenging compound comprises at least one allylic group and at least one polar moiety and at least some of the first scavenging compound or the oligomer or the polymer comprising the first scavenging compound is not present in the continuous polyester phase. The partial insolubility is essential for oxygen scavenging and the solubility is essential for reducing haze. The composition is useful in preforms, container walls, and films for packaging.

Abstract: The present invention in provides a multilayer sheet comprising a poly vinyl alcohol (PVOH) layer only as an oxygen barrier layer. The multilayer sheet comprises an outer layer and an inner layer wherein the poly vinyl alcohol (PVOH) layer is sandwiched. The present invention also provides an environmental friendly method for manufacturing a multilayer sheet comprising preparing aqueous emulsion of the polyvinyl alcohol and applying over the outer sheet and drying the same at about 100-120° C. This multilayer sheet can be recycled very efficiently as the percentage of polyethylene is more than 90%.

Abstract: A process for enhancing the gas barrier properties of a composite laminate material whilst maintaining adequate bond strength, in which a gas barrier coating comprising a clay dispersion and a polymer solution or dispersion is positioned between two flexible plastics films using an adhesive, wherein a coating is applied to a first flexible polymer film at a coating weight (D), an adhesive is applied to either or both of the coated side of the first film or to a second polymer film and adhering the first and second films together to provide a material in which: (A/B). (C/D)>200, and in which: A/B>75; C>1.0; and D<1.5; wherein: A=Oxygen Transmission Rate for the laminate at 23 0C and 50% RH without the coating; B=Oxygen Transmission Rate for the laminate at 23 0C and 50% RH with the coating; C=Bond Strength in N/15 mm after the adhesive has fully cured; D=Coating Weight in g/m2 (dry).

Abstract: Provided is a vacuum insulation panel comprising: a core material; and a shell material for covering the core material, wherein the shell has a layered structure comprising a surface protective layer, a metal barrier layer, and a thermal deposition layer from the outside, and the sealing strength of the vacuum insulation panel is 5-15 kgf. In addition, provided is a method for preparing the vacuum insulation panel, comprising the steps of: preparing the shell material by sequentially layering the thermal deposition layer, the metal barrier layer and the surface protective layer; inserting the core material between the shell material; reducing pressure and sealing the shell material so as to form a vacuum insulation panel; and heat treating the vacuum insulation panel, wherein the sealing strength of the vacuum insulation panel is 5-15 kgf.

Abstract: An ink composition comprising an oxygen sensitive dye capable of fluorescing in a manner proportional to oxygen content; and a polymer matrix for the dye, the polymer matrix having units with pendant sulphonic acid or phosphonic acid groups or salts or esters of such groups, can be used with an appropriate meter to measure the oxygen content of packages in a non-invasive manner.

Abstract: A valley shaping means for bidirectionally reinforced convoluted hoses comprising high strength fibers and/or cords which is designed for bonding and/or integration into the valley portion of the bidirectionally reinforced convoluted hose. The high-strength fibers and/or cords can be pre-coated prior to integration with the bidirectionally reinforced convoluted hose, or be coated and bonded after placed in position at the bottom of the valley portion of the bidirectionally reinforced convoluted hose.

Abstract: A method of forming lenses includes providing a lens handler having a plurality of cavities formed into an upper surface thereof. For each of the cavities, the method includes dispensing a first polymer material into the cavity, pressing a non-planar stamp surface onto the first polymer material wherein an upper surface of the first polymer material is conformed to the non-planar stamp surface, and applying UV light to the first polymer material to cure the first polymer material. A dispenser carrier can be used that includes a plurality of liquid polymer dispensers. A stamp carrier can be used that includes a plurality of stamps each having a non-planar stamp surface. Alternately, a stamp handler having a plurality of stamps arranged along a curved surface can be used to roll along the polymer material such that an upper surface thereof conforms to the non-planar stamp surfaces.

Abstract: Water-dilutable coating compositions comprising poly(vinyl alcohol) and/or ethylene-vinyl alcohol copolymer, dispersed clay and polycarboxylic acid polymer that can be prepared using convention apparatus and that provide exceptional oxygen barrier along with good laminate bond strengths at high relative humidity when incorporated into adhesively formed laminates, particularly PET-PE laminate structures.

Abstract: A process for making multi-phase liquid compositions is disclosed. For example, a plurality of liquid phases can be placed in separate vessels equipped with supply lines. Predetermined amounts of each of the liquid phase can be transferred, via the supply lines, into a combiner that aligns each of the liquid phases. The liquid phases can be transferred from the combiner to a blender. A mixing element of the blender can blend the liquid phases together to produce a multi-phase liquid composition having a visually distinct pattern formed by the liquid phases. The multi-phase liquid phase composition can be transferred to an individual product container via a delivery nozzle. When said multi-phase liquid composition is transferred to said individual product container via said delivery nozzle, the individual product container can be rotated, via a rotating platform of a bottle holding device.

Abstract: A plastic sheet for a packaging container with which the activity of microorganisms which stays on a stored matter such as raw fishes and meats before packaging or adheres thereto after packaging is lowered, and the growth of the microorganisms is suppressed in the case of storing or transporting meat and fish bodies in a raw state. The plastic sheet for a packaging container comprises a three-layer structure plastic sheet layered using a polyethylene film as an inner layer containing an antioxidant and an antibacterial, a polyvinyl alcohol film as an intermediate layer having high gas barrier properties and a polypropylene film as an outer layer.

Abstract: A laminate film including a first core polylactic acid layer, a coating receiving-layer of polylactic acid, and coated on one side of the coating receiving-layer with PVOH, EVOH, a blend of crosslinked EVOH/PVOH, vinyl alcohol-vinylamine (PVAm) copolymer, anionic carboxylated styrene-butadiene copolymer (SBR) emulsion, or blends thereof. This coating may be applied after the machine-direction orientation step and dried and oriented in a transverse direction orientation oven if in-line coating is desired; or applied to the film in an off-line coating method and dried in an air flotation oven. The dried coating layer can be metallized. This laminate film exhibits excellent gas and moisture barrier properties, appearance, and metal adhesion. It may also optionally include a heat sealable or winding improving layer on the side opposite the coating receiving-layer of the core layer.

Abstract: A transparent article includes a continuous polyester matrix having at least one incompatible filler dispersed therein. The incompatible filler provides domains in the polyester matrix, each domain having a particular dimension, thus providing a range of dimensions for the domains in the article. To create haze, the dimensions are within the range of from about 380 nm to about 720 nm. Once the range of dimensions is determined, a light absorbent composition can be found which absorbs light at a range of wavelengths that at least substantially covers the range of dimensions of the domains. In doing so, it has been found that the haze of the article can be substantially masked. Method for producing the article and for masking the haze are also provided.

Abstract: A packaging material for blood bags includes two laminate films (I), wherein each laminate film (I) includes a base layer (Y), an inorganic deposited layer (X) formed on top of the base layer, a layer (Z1) containing a polymer of an unsaturated carboxylic acid compound polyvalent metal salt formed on top of the inorganic deposited layer (X), and a layer (Z2) containing a polymer of an unsaturated carboxylic acid compound polyvalent metal salt and a vinyl alcohol based polymer formed on top of the layer (Z1), laminating the two laminate films (I) with the layers (Z2) being laminated to form a laminate film (II), and laminating a heat seal layer on top of at least either one of the base layers (Y) of the laminate film (II). The packaging material can exhibit relatively high water vapor permeation resistance and excellent transparency and stability.

Abstract: A barrier liner for a composite vessel, the barrier liner including (A) a polymeric substrate; and (B) a gas barrier coating layer attached to at least a portion of the polymeric substrate; a composite vessel containing the above barrier liner; and a UV curable composition for producing the above barrier liner.

Abstract: Described herein are multilayer polymeric films with enhanced interlayer adhesion, having a gas barrier layer and a seal layer bonded directly to the gas barrier layer, wherein the seal layer is made of a blended polymer material that may aid in increasing adhesion to the gas barrier layer. Also disclosed are converted multilayer films for use in creating inflatable chambers in fluid communication with other chambers, methods of making the multilayer films, and a method of producing inflatable and sealable films for protective packaging having enhanced performance.

Abstract: The present invention relates to encapsulated activated carbon and a method of preparing the same to protect the structure of the activated carbon and preserve the odor absorbing capability of the activated carbon particles. Particularly, the present invention is directed to a polymer article having odor absorption capabilities comprising a film comprising a matrix polymer and activated carbon particles at least partially encapsulated with a non-water soluble amorphous polymer, wherein the non-water soluble amorphous polymer is incompatible with the matrix polymer. The polymer article can be a bag.

Abstract: A transparent article includes a continuous polyester matrix having at least one incompatible filler dispersed therein. The incompatible filler provides domains in the polyester matrix, each domain having a particular dimension, thus providing a range of dimensions for the domains in the article. To create haze, the dimensions are within the range of from about 380 nm to about 720 nm. Once the range of dimensions is determined, a light absorbent composition can be found which absorbs light at a range of wavelengths that at least substantially covers the range of dimensions of the domains. In doing so, it has been found that the haze of the article can be substantially masked. Method for producing the article and for masking the haze are also provided.

Abstract: Preform for the blow moulding of a container comprising a neck section (1) including a pouring opening (20), an adjacent wall section (2) and a bottom section (3). It consists of a primary plastic raw material in a primary area (A1, A2, A3) and at least one secondary material in at least a secondary area (B1, B2, B3) both having a mutually different coloration. Said preform is remarkable in that said bottom section (3) is composed of a multi-layer structure with primary layers composed of said primary plastic material, and additional secondary layers (6, 7, 8, 9, 10). The latter are composed of said secondary material, two surface secondary layers the one of which (6) is directed outwardly respective the preform, whereas the other one (10) is directed inwardly, and an intermediate secondary layer between them (7, 8, 9), which constitutes a core layer, which is located between two said primary layers.

Abstract: A manufacturing process for flexible tube skirts including the steps of providing a multi-layer plastic film, cutting out a strip from the multi-layer plastic film, producing a cylindrical sleeve by rolling-welding the strip, and cutting out the sleeve to the desired length to obtain the tube skirts. The strip is cut out from a multi-layer plastic film which has a symmetrical structure in relation to its median plane, with symmetrical layers having the same thickness and made of the same plastic, having the same chemical composition and the same molar mass.

Abstract: An oxygen scavenging composition capable of providing good oxygen absorption capabilities wherein the oxygen scavenging agent is a sulfite salt with a Group I cation, combined with an acidifying agent and optionally a hygroscopic salt. The compositions can be formed into films, coatings, 3-dimensional solids, fibers, webs, and shaped products or structures which are incorporated into, applied to, or otherwise become a part of a container structure, including container closures, seals, gaskets, liners, and the like.

Abstract: This invention relates to a method of making a multilayer container which comprises: a primary stretching and heat-setting process wherein a multilayer sheet comprising a A-PET layer, a functional resin layer and a sealant layer, is heated, primarily stretched and then primarily heat-set, and a secondary stretching and heat-setting process wherein the multilayer sheet treated in the primary stretching and heat-setting process is molded with heating by a mold of a thermoforming machine while secondary stretching is performed, followed by secondary heat-setting in the same mold.

Abstract: [Problems] To provide a multilayered plastic container which exhibits excellent oxygen-barrier property of the ethylene-vinyl alcohol copolymer to a sufficient degree without the need of providing a special adhesive layer, and which, when a polyolefin resin is used to form the inner and outer layers, too, not only permits the ethylene-vinyl alcohol copolymer to be effectively used but also makes it very easy to set the conditions for satisfying predetermined properties.

Abstract: A pouch-like package for long-term storage of a highly acidic condiment is fabricated from a flexible sheet material having a light-blocking sheet, such as aluminum foil, coextruded between a printable layer, which may be a polymeric material such as PET, and a barrier layer, which may be a polymeric material such as PET coated on one side by a thin layer of aluminum oxide. Suitable adhesives may be used between the printable layer, the light-blocking sheet, and the barrier layer. If desired, a sealant such as acrylonitrile may be applied to the surface of the barrier layer.

Abstract: Provided is a multi-layer container excellent in delamination resistance and gas barrier property, which can be manufactured without employing any molding method involving a special apparatus, which increases a production cost, and a complicated step. Specifically, the multi-layer container includes a laminate structure of three or more layers having at least a gas barrier layer between an innermost layer and an outermost layer, in which the gas barrier layer in a site formed of the laminate structure has a portion having a thickness 0.01 to 0.9 times as large as the maximum thickness of the gas barrier layer. Further, provided are a mold suitable for manufacturing the multi-layer container, and a manufacturing method for a multi-layer container using the mold.

Abstract: The present invention provides a multilayer film having an active oxygen barrier multilayer core comprising at least one of 1) an active oxygen barrier layer is sandwiched between two passive oxygen barrier layers, or 2) a passive oxygen barrier layer is sandwiched between two active oxygen barrier layers. In one embodiment, the active barrier layer comprises a composition that is a blend of a thermoplastic resin (A) having carbon-carbon double bonds substantially in its main chain, a transition metal salt (B), and an oxygen barrier polymer (C). In some embodiments the active barrier layer may also include a compatibilizer (D). The passive oxygen barrier layers help to maintain the oxygen barrier properties of the multilayer film after the oxygen absorbing capacity of the active barrier layer has been exhausted. As a result, the useful shelf life of the film can be extended.

Abstract: A hose having a low permeation rate, in particular a hose for a high temperature coolant, having at least the following layer configuration: a barrier layer in the form of monofilm or multilayer film made of a polymer material; an inner layer that is placed on top of the barrier layer and is made of a polymer material having elastic properties; a reinforcement supported by the inner layer made of threadlike material, and an outer layer made of a polymer material having elastic properties, which protects against external influences. The reinforcement features a spiraled shape, specifically by forming at least two spiraled layers, wherein the area between two spiraled layers is free of an intermediate layer of a polymer material. In addition, the area between two spiraled layers is in particular free of a bonding agent. Further a method for producing such a hose is disclosed.

Abstract: Multi-layered plastic polymeric container useful for the storage and conservation of pharmaceutical compositions, sterile or non sterile, which comprises an inner layer and an outer layer, a gas barrier layer, and adhesive layers.

Abstract: A durable refrigerant transporting hose is provided which includes a gas barrier layer made of a polyamide resin composition, and prevented from being degraded by the refrigerant or compressor oil. A refrigerant transporting hose 1 including a gas barrier layer 2 made of a polyamide resin composition. The polyamide resin composition contains at least one metal compound selected from the group consisting of hydroxides, oxides and carbonates of divalent and trivalent metals in an amount of 1% to 15% by weight relative to the total amount of the metal compound and the polymer component. An olefin elastomer may be added to the polyamide resin composition to enhance the flexibility and durability.

Abstract: A propylene resin composition which contains as essential components thereof (A) an ethylene-propylene random copolymer having an ethylene content of 0.5 to 3.0 parts by mass; (B) an elastomer having an average particle diameter of 10 to 800 nm in an amount of 1 to 10 parts by mass based on 100 parts by mass of the ethylene-propylene random copolymer; and (C) a crystalline nucleating agent, and in which after kneading thereof, the kneaded propylene resin composition exhibit a melt flow rate (MFR) of 0.01 to 1.00 g/10 min. The propylene resin composition is suitable for the production of a wide variety of molded articles.

Abstract: A container, according to various embodiments of the invention, includes a co-extruded, blow molded wall that comprises: (1) a first, inner surface layer, (2) a second, interior layer; and (3) a third layer. In one embodiment, the inner surface layer comprises an extrusion blow-molding-capable grade of PET; the second, interior layer comprises adhesive; and the third layer comprises a polyolefin and the regrind material from one or more containers similar to the blow molded container. In various embodiments, the third layer is an outer surface layer of the blow molded wall. Alternatively, the container may further comprise a fourth (e.g., exterior surface) layer that comprises a polyolefin. In other embodiments, the inner surface layer comprises an extrusion blow-molding-capable grade of PET; the second, interior layer comprises a barrier material, such as polyamide resin, EVOH, or a compatible oxygen scavenger; and the third layer comprises an extrusion blow-molding-capable grade of PET.

Abstract: The presently disclosed subject matter is directed to a polymeric films suitable for use in a wide variety of applications, including (but not limited to) the formation of bioprocessing containers. Particularly, the disclosed films comprise a first barrier layer comprising polyglycolic acid, polyamide, EVOH, and/or an EVOH blend and a second barrier layer comprising EVOH. The dual barrier layers of the film maintain a high gas barrier under a variety of relative humidity conditions. In addition, the disclosed film is biologically inert and free from film surface-modifying additives such that the film does not inhibit the growth of biological cell cultures.

Abstract: The present invention is related to a peelable film to be sealed on a polyester-based substrate comprising a coextraded multilayer structure comprising:—a rupturable polyester-based sealant layer;—an adhesive layer in contact with said rupturable layer, comprising a polymer selected from the group consisting of ionomers, maleic anhydride grafted polyolefin, EVA, EBA, EMA and EAA;—a gas-barrier layer in contact with said adhesive layer, comprising a gas-barrier polymer selected from the group consisting of EVOH and polyamide, characterised in that the average peel strength between the adhesive layer and the rupturable sealant layer is lower than 15 N/15 mm, preferably lower than 13 N/15 mm as measured in a 180° peel geometry.