Abstract: Deep-drawable packaging film (60, 80, 93, 95) having an aluminum foil (10) as a core layer and comprising on an outer side of the aluminum foil (10) a semi-crystalline PET film (21, 25, 50) that is laminated to the aluminum foil (10) using an adhesive layer (40) and comprising on the other side of the aluminum foil (10) opposite to the PET film (21, 25, 50) a sealing layer (30, 35). The PET film (21, 25, 50) has a degree of crystallization between 20 and 70% and has a Young's modulus of 2000 MPa to 2700 MPa. The PET film (21, 25, 50) is a non-stretched film and the inner side of the PET film (21, 25, 50) directed to the aluminum foil (10) comprises a reverse printing (23).

Abstract: The present invention is related to a heat-sealable multilayer packaging film comprising: a support layer, and a peelable seal layer comprising a polymer blend, said polymer blend comprising: from 40 to 85% by weight of one or more first amorphous cyclic olefin polymer(s) characterized by a glass-transition temperature of at least 120° C., from 10 to 55% by weight of one or more second amorphous cyclic olefin polymer(s) characterized by a glass-transition temperature of less than 120° C., and from 0.5 to 15% by weight, preferably 0.5 to 10% by weight of at least one elastomeric copolymer comprising at least one polymerized monovinylarene and at least one polymerized acyclic olefin.

Abstract: The present invention is related to a retortable package comprising a flexible multilayer substrate comprising a reverse-printed layer, said reverse-printed layer comprising one or more crosslinked ink layer(s), and to a method for producing said multilayer laminate.

Abstract: The present invention is related to a heat-sealable multilayer packaging film comprising: a support layer, and a peelable seal layer comprising a polymer blend, said polymer blend comprising: from 40 to 85% by weight of one or more first amorphous cyclic olefin polymer(s) characterized by a glass-transition temperature of at least 120° C., from 10 to 55% by weight of one or more second amorphous cyclic olefin polymer(s) characterized by a glass-transition temperature of less than 120° C., and from 0.5 to 15% by weight, preferably 0.5 to 10% by weight of at least one elastomeric copolymer comprising at least one polymerized monovinylarene and at least one polymerized acyclic olefin.

Abstract: A single-serve portion pack may have a multilayer film structure including a protective layer, a print, a base layer and a peelable seal layer. The print is situated in-between the protective layer and the base layer. The protective layer is a polyalkylene terephthalate based layer having a stress value at 20% strain, at 90° C., comprised between 5 and 20 MPa (preferably between 5 and 15 MPa), and a melting peak temperature comprised between 190 and 240° C. (preferably between 200 and 230° C.).

Abstract: A single-serve portion pack may have a multilayer film structure including a protective layer, a print, a base layer and a peelable seal layer. The print is situated in-between the protective layer and the base layer. The protective layer is a polyalkylene terephthalate based layer having a stress value at 20% strain, at 90° C., comprised between 5 and 20 MPa (preferably between 5 and 15 MPa), and a melting peak temperature comprised between 190 and 240° C. (preferably between 200 and 230° C.).

Abstract: The present invention is related to a retortable package comprising a flexible multilayer substrate comprising a reverse-printed layer, said reverse-printed layer comprising one or more crosslinked ink layer(s), and to a method for producing said multilayer laminate.

Abstract: The present invention is related to a flexible packaging substrate comprising one or more crosslinked ink layers and to a method for the production of said printed substrate.

Abstract: Deep-drawable packaging film (60, 80, 93, 95) having an aluminum foil (10) as a core layer and comprising on an outer side of the aluminum foil (10) a semi-crystalline PET film (21, 25, 50) that is laminated to the aluminum foil (10) using an adhesive layer (40) and comprising on the other side of the aluminum foil (10) opposite to the PET film (21, 25, 50) a sealing layer (30, 35). The PET film (21, 25, 50) has a degree of crystallization between 20 and 70% and has a Young's modulus of 2000 MPa to 2700 MPa. The PET film (21, 25, 50) is a non-stretched film and the inner side of the PET film (21, 25, 50) directed to the aluminum foil (10) comprises a reverse printing (23).

Abstract: A heat-sealable multilayer film may include a support layer comprising at least one polymeric layer and a peelable seal layer of polymer blend. The polymer blend may comprise: 50 to 80% by weight of an ethylene polymer, 10 to 40% by weight of a styrene polymer, and 5 to 30% by weight of a styrene-butadiene block copolymer. The average of the elastic or storage compliance at a frequency of 10 rad/s (S?10) and the elastic or storage compliance at a frequency of 100 rad/s (S?100) is at least 10?5 Pa?1, preferably at least 12 10?6 Pa?1, measured at a temperature of 160° C. on a dynamic plate/plate rheometer.

Abstract: The present invention is related to a flexible packaging substrate comprising one or more crosslinked ink layers and to a method for the production of said printed substrate.

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.

Abstract: The present invention relates to a tamper-evident push-through packaging secured against fraudulent reuse comprising: —a polymer base web (1) comprising at least one pocket; —a multilayer lidding film (2) covering said pocket, said multilayer lidding film (2) comprising on its seal side a coextruded polymer film, said coextruded polymer film comprising a push-through polymer layer (3) sealed on the base web by a permanent seal and a peelable protective polymer layer (4), the polymers of both layers (3,4) being incompatible and in direct contact with each other, without interlayer, the adhesion between said push-through polymer layer (3) and said peelable protective polymer layer (4) being lower than the seal strength between said polymer base web (1) and said push-through polymer layer (3), wherein, in use, the push-trough layer leaves a seal seam (6), after removing the part of the push-trough layer (3) covering the pocket and wherein said protective layer (4) cannot be resealed by a heat sealing process on

Abstract: The present invention is related to a method for producing a multilayer structure comprising a thin polymeric layer (10) comprising the steps of: coextruding said thin layer on both sides of a support polymer layer (11) and forming a coextruded structure (7); laminating or extrusion coating at least one additional layer (16) on both sides of said coextruded structure; peeling-off said thin layers, along with the additional layers from said support layer (16) to build a multilayer polymer structure.

Abstract: The present invention relates to a coextruded multilayer polyolefin film, said polyolefin film being substantially curl-free in use, said polyolefin film comprising: a polyolefinic base layer comprising between 10% and 50% by weight of a cyclic olefin copolymer having a Tg higher than 130° C.; a polyolefinic sealing layer having a thickness between 5 and 15% of the total film thickness.

Abstract: The present invention relates to a tamper-evident push-through packaging secured against fraudulent reuse comprising: —a polymer base web (1) comprising at least one pocket; —a multilayer lidding film (2) covering said pocket, said multilayer lidding film (2) comprising on its seal side a coextruded polymer film, said coextruded polymer film comprising a push-through polymer layer (3) sealed on the base web by a permanent seal and a peelable protective polymer layer (4), the polymers of both layers (3,4) being incompatible and in direct contact with each other, without interlayer, the adhesion between said push-through polymer layer (3) and said peelable protective polymer layer (4) being lower than the seal strength between said polymer base web (1) and said push-through polymer layer (3), wherein, in use, the push-trough layer leaves a seal seam (6), after removing the part of the push-trough layer (3) covering the pocket and wherein said protective layer (4) cannot be resealed by a heat sealing process on

Abstract: The present invention is related to a heat sealable coextruded multilayer packaging film peelable on a variety of substrates including polyethylene, polypropylene, polyester, polyvinyl chloride, polyamide, polyacrylonitirle and paper, comprising at least one peelable layer from a pre-compounded precursor formulation containing: ?50 to 80% by weight of an ethylene homo and/or copolymer, ?15 to 25% by weight of a styrene homo or/and copolymer, ?5 to 20% by weight of a thermoplastic elastomeric styrene-butadiene-styrene block copolymer, characterised in that the peel force in said peelable seal film produced by said pre-compounded precursor is modified by the presence in said precursor in the final extrusion step of 5 to 25, and preferably 10 to 20% by weight of homogeneously branched LLDPE and/or polybutene-1.

Abstract: The present invention is related to a coextruded multilayer polyolefin film being heat sealable and peelable onto polypropylene based substrates of at least 3 layers, comprising at least a peelable top layer, at least an intermediary layer and at least a base layer, characterised in that at least one of the intermediate layers comprises an easy lowable low melting polymer with a melt flow index at least equal or higher than the melt flow index of the base layer, said easy flowable polymer representing at least 60% by weight of the total weight of said multilayer polymer film.

Abstract: The present invention is related to a heat sealable coextruded multilayer packaging film peelable on a variety of substrates including polyethylene, polypropylene, polyester, polyvinyl chloride, polyamide, polyacrylonitirle and paper, comprising at least one peelable layer from a pre-compounded precursor formulation containing: ?50 to 80% by weight of an ethylene homo and/or copolymer, ?15 to 25% by weight of a styrene homo or/and copolymer, ?5 to 20% by weight of a thermoplastic elastomeric styrene-butadiene-styrene block copolymer, characterised in that the peel force in said peelable seal film produced by said pre-compounded precursor is modified by the presence in said precursor in the final extrusion step of 5 to 25, and preferably 10 to 20% by weight of homogeneously branched LLDPE and/or polybutene-1.