Abstract: The present invention provides compositions useful as a barrier layer in, for example, packaging products. The compositions generally comprise a blend of (i) a polyester material, preferably an aromatic polyester resin such as polyethylene terephthalate (PET) and (ii) a vinyl alcohol material. The blend optionally may further comprise (iii) a polyolefin material (preferably a functionalized polyolefin material, e.g., a BYNEL material); and/or (iv) a polyamide material (preferably an amorphous polyamide material, e.g., a GRIVORY material), that optionally further comprises an oxygen scavenging material. The present invention also provides containers (e.g., containers formed by expansion of preforms) having a multilayered body-forming portion including: a core layer comprising the aforementioned blend, and inner and outer layers of a formable polymer composition. The present invention also provides methods of making such containers.

Abstract: An article comprising at least one cured, liquid-impervious polymeric shell substantially free from defects, at least one liner, and a non-tacky, thermoplastic adhesive layer between the shell and the liner, wherein the adhesive layer is melted and solidified to create a non-tacky bond between the shell and the liner, which can be moisture-absorbing or cut-resistant, whereby the liner supports and limits stretch ability of the shell, thereby preventing adhesive delamination between the adhesive layer and either of the shell and/or the liner; a method for the manufacture of an article comprising a supported, polymeric shell, such as a glove, a gauntlet, an apron, or a boot, comprising providing a cured, liquid-impervious, polymeric shell, providing a knitted/woven liner, incorporating a non-tacky, thermoplastic adhesive layer between the shell and the liner, such as by hot-melt spraying, dry-powder spraying or fiber-coating, creating intimate contact between the shell, the adhesive layer, and the liner, subjec

Abstract: An insulative label is provided for a beverage container to reduce heat transfer, particularly heat transfer by conduction from a consumer's hand to the beverage container. The label comprises a dual-ply construction, with a grid pattern placed between the layered materials. Preferably, the label comprises a film base layer secured to the container, the grid pattern comprising an ink and varnish mixture printed over the film base layer, and a laminate top layer secured to the film base layer. Air is trapped in the gaps or spaces between the protrusions created by the grid pattern, and the trapped air insulates the container. The label has a very thin profile, thereby not perceptibly changing the appearance of the label or the container.

Abstract: The present invention provides a clay film with excellent flexibility, whose main component is natural clay or synthetic clay, and in which there is uniform orientation in the clay particle layer, and relates to a novel clay film that has enough mechanical strength to be used as a self-supporting film, and has a structure in which layers of clay particles are highly oriented, and in which the main constituent component of the clay film is mica, vermiculite, montmorillonite, iron montmorillonite, beidellite, saponite, hectorite, stevensite, or nontronite, and which has excellent flexibility, undergoes no structural change at high temperatures of 250° C. and up to 600° C., contains no pinholes, and has a gas permeation coefficient of less than 3.2×10?11 cm2s?1cmHg?1 at room temperature for helium, hydrogen, oxygen, nitrogen, or air.

Abstract: A process for fabricating a high barrier lamination suitable for the construction of lighter than air materials including providing a thin, two layer thermoplastic film consisting of an amorphous copolyester skin and a high crystalline polyester core; plasma treating the high crystalline polyester core layer to a surface energy of about 50 to about 68 dyne; depositing a metal barrier layer to an optical density of about 2.2 to about 3.2; and extrusion coating a linear low density polyethylene sealant layer on the amorphous copolyester skin layer.

Abstract: Oxygen scavenging materials incorporated into or attached to a package such as a gable-top or rectangular carton, used to package foods, beverages or other oxygen sensitive materials, and thereby increase shelf-life by decreasing oxygen in the headspace of the package, and decreasing oxidation of the packaged product.

Abstract: A method for manufacturing of a plastic container which is substantially impervious to oxygen by providing a bottom film oxygen barrier, the film oxygen barrier having an area greater than the area of a floor of the plastic container; providing a side oxygen barrier film, the side oxygen barrier film being dimensioned to circumscribe a sidewall of the plastic container and having a length greater than the length of the plastic container. A mold has a floor and a sidewall, the mold having a groove extending below the floor and dimensioned to receive an excess length of the side oxygen barrier film therein, and the bottom oxygen barrier film being dimensioned to extend at least partially across said groove. The film oxygen barriers are placed within the mold and a plastic container is injection molded within the cavity. An oxygen resistant container has a floor. A sidewall extends from the floor. An oxygen barrier material is disposed on the floor and sidewall.

Abstract: A composite multi-layer barrier is produced by first vapor depositing a barrier under vacuum over a substrate and then depositing an additional barrier at atmospheric pressure in a preferably thermoplastic layer. The resulting multi-layer barrier is used to coat an article in a lamination process wherein the thermoplastic layer is fused onto itself and the surface of the article. The vacuum-deposited barrier may include of a first leveling polymer layer followed by an inorganic barrier material sputtered over the leveling layer and of an additional polymeric layer flash evaporated, deposited, and cured under vacuum. The thermoplastic polymeric layer is then deposited by extrusion, drawdown or roll coating at atmospheric pressure. The resulting multi-layer barrier may be stacked using the thermoplastic layer as bonding agent. Nano-particles may be included in the thermoplastic layer to improve barrier properties. A desiccant material may also be included or added as a separate layer.

Abstract: In order to maintain adequate bond strength of a composite in which a gas barrier coating comprising a clay dispersion and a polymer solution or dispersion of a PVA and/or EVA is positioned between two flexible plastics films using an adhesive, it is necessary that the clay dispersion and the polymer solution or dispersion should be kept separate until shortly before they are to be applied.

Abstract: Disclosed is a multilayered container having an intermediate layer comprising an oxygen-absorbable barrier resin composition showing excellent processability upon molding. Specifically disclosed is a multilayered container which comprises an inner layer and an outer layer each comprising an olefin resin and an intermediate layer provided between the inner layer and the outer layer and comprising an oxygen-absorbable barrier resin composition, wherein the oxygen-absorbable barrier resin composition has a cooling crystallization peak temperature lower than that of a base resin (an oxygen barrier resin) which constitutes the oxygen-absorbable barrier resin composition, the multilayered container is formed by a solid-phase forming process at a temperature lower by 1 to 15° C. than the cooling crystallization starting temperature (Tc2) of the base resin, and the body of the container shows a calorific value of less than 0.5 J/g by the isothermal crystallization after heating from 30° C. to 130° C.

Abstract: The present invention proposes a smokable planar or hose-type food casing or food casing film for food packagings, such as, e.g., sausage casings, shrink bags or the like on polymer basis, which is for the first time manufactured in the jet-blasting process from a homogeneous molten plastic material consisting of a plastic mixture consisting of at least of PA (polyamide) with PVAL (polyvinyl alcohol) and PEBAX (polyether block amide). The food casing or food casing film has a water vapor permeability that is at least 1 kg/m2 within 24 h. Its oxygen permeability at a film thickness of 30 ?m is less than 2.1 cm3/m2 within 24 h. Moreover the present invention for the first time proposes a method for manufacturing it.

Abstract: A multi-layer polyester container comprising inner and outer layers of a polyester resin and at least one intermediate layer of a functional resin or a functional resin composition, wherein a difference of tan ? of the inner polyester layer at 80° C. and 60° C. is 0.035 or less in the measurement of the dynamic viscoelasticity (DMS) thereof at 0.5 Hz. Even when the functional resin or the functional resin composition having a large draw stress is used as an intermediate layer, therefore, excellent transparency is obtained while effectively exhibiting the function such as barrier property possessed by the functional resin or the functional resin composition.

Abstract: In accordance with one aspect of the invention, a material, such as a plastic film, is used to separate independent food elements. The independent food elements and the separation material are packaged together using a unifying outer package. At a point in time when the customer decides to eat the food, the outer package is opened and the film that separates the different food elements is removed, either manually or automatically. This marks the first point in time that the separate elements come into contact with each other. Therefore, the food product is maintained at the highest level of integrity until the time of usage by the customer. Methods and a machine for layering the contents of the packages so as to form a completed assembly for the packaged elements is also described.

Abstract: Heat-shrinkable multilayer films having a surface layer based on at least one olefinic polymer and/or copolymer, a layer based on a mixture of an ionomer having a maximum MFI of 4 dg/min and an ionomer having an MFI>4 dg/min, a barrier layer based on polyvinylidene chloride or a vinylidene chloride polymer, a layer based on the ionomer mixture or an olefinic copolymer, and a sealing layer of at least one polyolefin or olefinic copolymer.

Abstract: The present invention relates to polyamide/polyolefin blends containing carbon nanotubes. The invention also relates to structures comprising at least one layer of these blends and optionally at least one layer of another material. These structures may be in the form of bottles, tanks, containers, hoses, pipes and vessels of any kind. These structures may be manufactured using the standard techniques for thermoplastics, such as injection moulding, extrusion-blow moulding and coextrusion.

Abstract: Polymeric films having a first layer of polylactic acid, a second layer of polyvinyl alcohol and at least one intermediate layer of a blend of polylactic acid with polyvinyl alcohol and/or starch, the intermediate layer or layers providing adhesion between the polylactic acid layer and the polyvinyl alcohol layer. Such films are environmentally friendly and have good impact strengths which enable them to be used to package relatively heavy loads of fresh produce such as potatoes.

Abstract: To provide a resin composition comprising an ethylene-vinyl alcohol copolymer (A) having an ethylene content of from 15 to 65 mol % and a degree of saponification of 95 mol % or more, a phosphoric acid salt (B) which can form a hydrate, and a dispersing agent (C), wherein the dispersing agent (C) comprises at least one species selected from the group consisting of aliphatic acid salts, glycerol aliphatic acid esters and aliphatic acid amides, the resin composition comprises (A) and (B) in amounts of from 50 to 99 parts by weight and from 1 to 50 parts by weight, respectively, based on 100 parts by weight of (A) and (B) in total, and the resin composition comprises (C) in an amount of from 1 to 20 parts by weight based on 100 parts by weight of (B). This resin composition excels in gas barrier property and also in moisture resistance at high temperatures and high humidities. Therefore, it is suitable for food packaging containers to be retorted.

Abstract: The invention relates to a multi-layer structure containing from the inside towards the outside: a layer C1 comprising at least one functionalized fluorinated polymer optionally mixed with at least one compatible fluorinated polymer; a layer C2 containing at least one adhesive binder; a layer C3 containing at least one polyolefin, preferably a polyethylene; a layer C4 containing at least one adhesive binder; a barrier layer C5 containing at least one barrier polymer, optionally reinforced against impacts; the layers are arranged against each other in the above mentioned order. The invention also relates to the use of this mull-layered structure for storing or transferring fuel.

Abstract: A multilayer, heat-shrinkable film contains at least one semi-crystalline polyamide selected from the group consisting of polyamide 6, polyamide 66, polyamide 6/66, and polyamide 6/12. The film may have a total semi-crystalline polyamide content of at least 35 volume percent, based on total film volume, and a total free shrink at 185° F. of at least 35 percent. The film may have an FTIR Transmission Absorbance A1199/A1170 ratio of up to 1.65. The film may be a retortable film, capable of being used in a process for preparing a retorted packaged product.

Abstract: A lining system for lining a surface generates a fluid impervious lining and an interstitial space between said lining and said surface. The system includes a layer comprising a flexible material having an adhesive coating on each side thereof, a second layer of flexible material, and a spacing means to generate a gap between the first and second layers, the gap constituting the interstitial space, and a coating, the coating comprising a curable material which cures to form a hard fluid impervious coating.

Abstract: A multi-layer biaxially stretched blow bottle having a 3-layer structure of PET/nylon MXD6/PET or a 5-layer structure of PET/nylon MXD6/PET/nylon MXD6/PET, wherein the oxygen gas transmission coefficient of the nylon MXD6 layer is at most 6.0×10?14 cm3·cm/cm2·sec·cmHg as measured under conditions of a temperature of 23° C. and a relative humidity of 80%, and a production process of the bottle by biaxial stretch blow molding at a low stretching temperature and high draw ratios.

Abstract: An improved two-piece container seal suitable for sealing a container having a removable closure and for lining the closure comprises a flexible sealant sheet and a flexible liner sheet bonded thereto. The sealant sheet and liner sheet are of the same size and shape. The sealant sheet has a sealing surface and a first thermoplastic surface, and the liner sheet has an outer surface and a second thermoplastic surface. The first and second thermoplastic surfaces are in opposed, congruent contact with each other, and the first thermoplastic surface is ultrasonically welded to the second thermoplastic surface by an array of spaced, frangible ultrasonic welds, forming an adhesive-free interface therebetween. A method of manufacturing a two-piece container seal and a sealed container comprising a two-piece container seal are also described.

Abstract: A powder of a barrier material (B) is after, having been melted, applied to a substrate of a of a polyolefin (A) according to flame spray coating process to give a shaped article, in which the barrier material (B) firmly adheres to the polyolefin (A) even when the surface of the substrate is not subjected to primer treatment. The shaped article is favorable to components to fuel containers, fuel tanks for automobiles, fuel pipes, etc.

Abstract: A method of manufacturing a product, including extruding a parison, and separating the parison into parison halves by cutting a partially expanded parison or by pulling apart a longitudinally weakened parison, and forming the parison halves against corresponding mold halves. The method may also include applying a film against the parison halves and/or the mold halves, and forming the film and parison halves against the mold halves to produce multi-layer product halves. Apparatuses for performing the method are also disclosed.

Abstract: The invention relates to a heat-sealable packaging material and a sealed package formed from the same, especially for packaging foodstuffs. The packaging material comprises a base layer of paper or board and polymeric heat-sealable layers on one side of the base layer or, preferably, on both sides thereof. According to the invention, at least two layers of ethylene vinyl alcohol copolymer (EVOH) with different fractions of ethylene monomer are arranged on the packaging material to provide an oxygen barrier. The layers can locate against each other without a tie layer between them. The heat-sealable polymer can be a polyolefin, and, in addition, other polymeric barrier layers can be incorporated into the material to improve its oxygen, fat and aroma tightness.

Abstract: Described is a closure element for a container. The closure elements has a sealing element which contains a thermoplastic polymer, and an effective absorbing amount of an unmodified cyclodextrin material. The unmodified cyclodextrin material may be an ?-cyclodextrin, ?-cyclodextrin, ?-cyclodextrin, and mixtures thereof. The sealing element can act as a barrier with respect to permeants, such as aromatic substances, trichloroanisole, aldehydes or ketones and/or impurities from the polymer.

Abstract: A laminated resin tube is formed mainly of inexpensive materials and has improved low-permeable ability. The laminated resin tube has a plurality of laminated component resin tubes made of thermoplastic resins. At least one of the plurality of component resin tubes is a first low-permeable barrier tube made of polyamide 9T, and the rest of the component resin tubes include a resin tube made of polyamide 6 or polyamide 66.

Abstract: The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a thermoplastic polyurethane (TPU); (b) an intermediate ethylene vinyl alcohol (EVOH) or EVOH/TPU blend or an EVOH/ethylene-acrylate blend layer extruded in tubular form over the inner TPU layer, and (c) a TPU extruded in tubular form over the outside surface of the intermediate layer and being coextensive therewith. Optionally, a fourth outer layer is included and covers layer (c). The tubular articles of the invention have a maximum permeation rating of 15 g/m2/day under SAE J1737 test conditions.

Abstract: A multilayer thermoplastic container for storing and transporting liquid contents, especially combustible or explosive contents, is made of at least three superimposed layers and includes at least one layer for discharging an electric charge. The innermost layer of the container in contact with the liquid content is made of virgin material. A second integrated inner layer which is covered by the innermost virgin material layer is electrically conductive as a result of incorporated additives, e.g. conductive carbon black and is covered on the outside by another electrically non-conductive layer. Electric charge carriers that accumulate on the surface of the thin inner layer due to the friction with the content are “suctioned through” large areas of the inner, electrically non-conductive layer by the second, electrically conductive layer and discharged.

Abstract: Provided is a fuel container containing a biodiesel fuel comprising at least one fatty acid ester selected from the group consisting of fatty acid methyl esters and fatty acid ethyl esters, wherein the fuel container is made of a multilayer structure wherein layers of high density polyethylene (a) are located on both sides of a layer of an ethylene-vinyl alcohol copolymer (c) via layers of adhesive resin (b). This fuel container is excellent in barrier performance and brittle degradation resistance against biodiesel fuels.

Abstract: A pipe includes an outer layer composed of a molding composition which includes at least 40% by weight of a polyamide whose monomer units contain an average of at least 8 carbon atoms, and a layer composed of a polypropylene molding composition. An outer diameter of the pipe is in a range from 6 to 20 mm, a wall thickness of the pipe is in a range from 1.0 to 2.0 mm, and a thickness of the polypropylene layer is from 25 to 75% of the wall thickness. The pipe can be used as an air-brake line that can be produced at low cost, has high bursting strength, and has good low-temperature impact resistance.

Abstract: The invention relates to a process for obtaining a multilayer material [10] consisting of semi-rigid sheets with good hold, resistance to temperatures in excess of 124° C. and low gas permeability which can be folded and intended for the manufacture by folding of containers [20] constituting an internal space for the packaging of thermally treated products, such a container [20] a process for obtaining such a multilayer material; [10] and a process for manufacturing the product packaging.

Abstract: The present invention is directed to a polymer blend formulation and to heat shrinkable film, bags, pouches and the like made therefrom. The invention is further directed to a method of producing a heat shrinkable film with the proper gas permeability properties so that it is ideal for packaging and preservation of gassing cheese.

Abstract: The present invention provides compositions useful as a barrier layer in, for example, packaging products. The compositions generally comprise a blend of (i) a polyester resin, preferably an aromatic polyester resin such as polyethylene terephthalate (PET) and (ii) a polyamide material (e.g., MXD6). The blend optionally may further comprise (iii) an oxygen scavenging material. The present invention also provides containers (e.g., containers formed by expansion of preforms) having a multilayered body-forming portion including: a core layer comprising the aforementioned blend; and inner and outer layers of a formable polymer composition. The present invention also provides methods of making such containers.

Abstract: The invention concerns a multilayer tube comprising (viewed form inside outwards of the tube): optionally a layer C1 comprising at least one fluorinated polymer; a layer C2 comprising at least one functionalized fluorinated polymer, optionally mixed with at least one fluorinated polymer; a barrier layer C3 comprising a barrier polymer selected among EVOH or a mixture based on EVOH, PGA or PDMK; a layer C4 of an adhering binder; a layer C5 comprising at least one polyolefin, optionally mixed with at least one functionalized polyolefin; optionally a barrier layer C6; optionally a layer C7 comprising at least one polyolefin, optionally mixed with at least one functionalized polyolefin.

Abstract: An extruded seal member having a corrugated axial surface exhibiting alternating peaks and valleys extending longitudinally along the axial surface of the seal member; a method for manufacturing the seal member which comprises extruding a tubular structure having a corrugated axial surface, crosslinking the extrude tubular structure, cutting the tubular structure to provide a plurality of uniform seal members and recovering the seal members; and a method of using such multilayer seal members, are described.

Abstract: A flexible hose having a non-fluorinated rubber inner tube, a non-fluorinated rubber outer cover, an intermediate barrier layer consisting essentially of ethylene-vinyl alcohol copolymer (EVOH) having an ethylene content less than 30 mole %, and preferably a textile reinforcement between said barrier layer and said outer cover. A non-fluorinated rubber tie layer may be included between the barrier and the reinforcement. Permeability to ethanol- and methanol-containing fuels is very low.

Abstract: An easy opening heat-shrinkable bag adapted to be heat sealed to a closed condition to contain and protect a product disposed therein, whereby, at least one heat seal is peelable and readily openable by application of force.

Abstract: A method of manufacturing a diffusion-tight plastic container with a bottom portion and a side wall portion, comprising the steps of: a) providing a planar, diffusion-tight film material, b) cutting a label out of the film material, the label having a bottom portion corresponding to the bottom portion of the plastic container and at least one side tab extending from it, corresponding to the side wall portion of the plastic container, c) preshaping the label in accordance with an outer surface of the plastic container, thereby forming overlapping areas, d) sealing the film material at the overlapping areas, as a result of which the label is shaped into the form of the film material body, e) placing the label into a mould having an inner surface corresponding to the outer surface of the plastic container to be manufactured, f) closing the mould, thus forming a mould cavity, the thickness of which corresponds to the thickness of the plastic container, and g) injecting plastic into the mould cavity and manufactur

Abstract: A reclosable packaging comprising a packaging tray that is made of a multilayer film and a lid which is made of a multilayer film. The tray and the lid are joined together in the edge area of the packaging tray via a sealing seam. The multilayer film of the packaging tray or lid is provided with a contact adhesive layer and a migration barrier layer having a thickness of preferably <2 ?m.

Abstract: Sheet molding composition formulation includes a thermoset cross-linkable polymeric resin. A moisture reducing polymeric additive includes at least one of polystyrene; poly C1-C4 alykylmethacrylate; a copolymer of styrene with at least one of butadiene, acrylonitrile and vinyl chloride; or a combination of polystyrene, polyaklymethacrylate and or a styrene copolymer. Moisture reducing polymeric additive is present within the formulation from between 1 and 20 total weight percent. An article formed from such a sheet molding composition formulation defines an article shape and has a surface that sets the article shape with less than 0.5 total weight percent water after 96 hours exposure and 100° F. 100% humidity. The article shape is amendable to receiving a vapor barrier coating applied to the articles shape surface. A powder prime coating over lies the barrier coating and achieves surface finish results comparable to article shapes formed of steel.

Abstract: A coating compositions for providing substrates with oxygen barrier properties is disclosed. The substrate may be, for instance, a film, such as a polyester film. The coating composition includes a copolymer of maleic acid and acrylic acid and a copolymer of vinyl alcohol and a vinylamine. The barrier coating formed from the coating composition is typically less than about 1 micron in thickness and provides reduced oxygen transmission even at relatively high relative humidities.

Abstract: A film comprises a barrier layer including PVdC or EVOH, a skin layer, and an intermediate layer comprising at least about 50% of propylene/ethylene copolymer. The film has at least about 10% free shrink in at least one direction at 85° C. The film is useful in making barrier shrink bags.

Abstract: A RF weldable tubing is provided. The tubing has inner layer including a PVDF copolymer, or an ethylene alpha-olefin homopolymer, or an ethylene alpha-olefin polymer that may include a grafted polyethylene. The tubing may have an inter gas barrier layer sandwiched between the outer layer and an outermost layer including a TPU copolymer. The inter gas barrier layer may include an EVOH copolymer. A method of making such a tubing is also provided.

Abstract: The present invention provides novel multilayered plane or tubular food package casings or films for foodstuff packages, such as sausage casings or the like, having a lamination structure of at least six, preferably at least seven layers.

Abstract: A dual ovenable film having a first layer comprising one or more polyamides and a second layer comprising one or more polyamides. The first layer forms the first outer surface of the film. The second layer has a melting point of at least about 210° C. The film is capable of forming a water-containing package by providing two 4 inch by 6 inch sheets of the film each having four perimeter sides, placing the sheets in superimposed, coextensive arrangement having the first layers of the films in contact with each other, and heat sealing three perimeter sides of the sheets together using a ?-inch wide sealing bar at a temperature of 290° F., a dwell time of 0.5 seconds, and a sealing pressure of 40 psig to form an open pouch having heat seals along three of the four perimeter sides. The open pouch can be filled with 100 milliliters of distilled water at a temperature of 73° F.

Abstract: The present invention for the first time furnishes a multilayer planar or tubular food casing or film for food packagings such as, e.g., sausage casings, shrink bags or the like, which comprises a layered structure having at least five, preferably at least seven layers.

Abstract: A long life balloon formed from a lamination. The lamination includes a polyester film with a total thickness of 4 ?m to 12 ?m. The polyester film includes a biaxially oriented polyester core layer and at least one amorphous copolyester skin layer. The lamination also includes a sealant layer and a gas barrier layer on an opposite side of the polyester film from the sealant layer. The oxygen transmission rate of the balloon is less than 0.1 cc/100 sqin/day, a bonding strength of the gas barrier layer to the surface of the polyester film is more than 300 g/in at dry conditions, a sealing strength of the balloon is more than 3.5 kg/in, and a floating time of the balloon is more than 20 days.

Abstract: An extruded multilayer seal member having an expanded temperature range and an improved compression set resistance wherein the seal member comprises a first fluoroelastomer as the inner layer of the multilayer seal member and a second elastomer as the outer layer of the multilayer seal member; and a method for manufacturing the multilayer seal member which comprises extruding a multilayer tubular structure, crosslinking the extruded multilayer tubular structure on a mandrel, cutting the multilayer tubular structure to provide a plurality of uniform seal members and recovering the seal members, are described.

Abstract: A gas barrier packaging laminate having durability to stress crack formation and yet a bending stiffness and good integrity between the laminate layers, includes outer layers of heat-sealable polyolefin, two polymer carrier layers each being coated with a SiOx gas barrier layer, and an intermediate polymer layer that includes at least first and second part-layers. The first part-layer has a higher stiffness than the second part-layer, and the second part-layer has higher elastomeric properties than the first part-layer. A stiff structural sandwich construction is formed by the two stiff carrier layers separated by the intermediate layer that is also shock absorbing to prevent stress-cracking of the SiOx layers. A packaging container manufactured from the packaging laminate and a method of manufacturing of the packaging laminate are also disclosed.