WO2016156293A1 - Recyclingfähige polyethylen-folie - Google Patents
Recyclingfähige polyethylen-folie Download PDFInfo
- Publication number
- WO2016156293A1 WO2016156293A1 PCT/EP2016/056767 EP2016056767W WO2016156293A1 WO 2016156293 A1 WO2016156293 A1 WO 2016156293A1 EP 2016056767 W EP2016056767 W EP 2016056767W WO 2016156293 A1 WO2016156293 A1 WO 2016156293A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyethylene film
- polyethylene
- film
- layer
- recyclable
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
Definitions
- the subject invention relates to a recyclable polyethylene film with high rigidity and heat resistance and sufficiently high toughness.
- plastic packaging films are film laminates of different layers (depending on the application and function), such as.
- Polyolefins such as polyethylene (PE) or polypropylene (PP), often combined with polyethylene terephthalate (PET) as an outer, printed layer.
- PET polyethylene terephthalate
- layers of different plastics are usually combined.
- Packaging is always manufactured with an externally visible print. The printing is applied to a layer of the film laminate which is suitable for printing, e.g. a layer of biaxially oriented polypropylene (BO-PP) or polyethylene terephthalate (BO-PET).
- BO-PP biaxially oriented polypropylene
- BO-PET polyethylene terephthalate
- a row printing method such as the gravure printing method or the flexo line printing method
- the individual printing units are separated from each other and the film web to be printed passes through each before the order of the next color a dryer and a plurality of pulleys to extend the drying path.
- PE films and PE film laminates are therefore usually printed in flexographic printing processes in satellite construction on so-called central printing cylinder machines.
- the film web to be printed is guided between the individual printing units on a central cylinder and only then dried.
- a possible intermediate drying after an ink application is carried out on the central cylinder, wherein the film web is guided on drying on the Primazy- cylinder, but as a rule no complete drying between the
- the print quality in a satellite-type flexographic printing process is not as high as in a series printing process.
- the register accuracy that can be achieved is sufficiently high even for PE films, for example for diaper films.
- the packaging manufacturers usually require printing of the film laminate in a series printing process, for example in gravure printing or in the (UV) flexographic series printing process. Therefore, in such film laminates as a printed film web, a PET or PP film web are used, which are then laminated to the film laminate with a sealable at low temperatures material, such as PE films.
- the film laminates for the packaging industry should be as thin as possible for cost reasons.
- monolaminates ie film laminates of (essentially) only one material.
- a monolaminate made of polyethylene (PE) is of particular interest here because polyethylene is the sealing medium used most frequently in the packaging industry.
- monolaminates are film laminates composed of a main material, e.g. PE, and contains only small amounts of another material. Even such film laminates are still regarded as monolaminates within the meaning of the invention and are relatively easy to recycle.
- DE 10 2005 003 922 A1 shows a film laminate of a stretched HDPE printing film and an LDPE support film, wherein the printing film is printed.
- the carrier film should be significantly thicker than the printing film. It is an object of the present invention to provide a polyethylene film which can be printed in a printing process, in particular gravure printing or flexographic printing, which can be used in the packaging industry and which is easy to recycle.
- polyethylene film of at least 80% polyethylene material and a maximum of 20% compatible polyolefin material, the polyethylene film having a central layer of linear low density polyethylene (LLDPE) and / or linear metallocene polyethylene lower Density (mLLDPE) and two outer layers of high density polyethylene (HDPE) bonded to the central layer surrounding the central layer, the HDPE content of the polyethylene film being at least 50% by volume; Preferably at least 80 vol%, makes up and the two outer layers together at least as thick as the central layer and wherein the polyethylene film is stretched in at least one direction.
- LLDPE linear low density polyethylene
- mLLDPE linear metallocene polyethylene lower Density
- HDPE high density polyethylene
- Such a film achieves sufficient web stiffness at 70 ° C., preferably at least 10 N / mm, which is sufficient for high-quality printing using a line-printing process, such as intaglio printing or flexographic printing. With such a film, the registration error in printing can be kept within tolerable limits in the packaging industry. Stretching the polyethylene film additionally reduces the haze value of the film. In addition, the polyethylene film according to the invention has a sufficient heat resistance and toughness.
- one outer layer is at most 50% thicker than the other outer layer to prevent excessive curling of the polyethylene film.
- the two outer layers are the same thickness.
- the polyethylene film and thicknesses of the polyethylene film smaller than 40 ⁇ , preferably less than 30 ⁇ " ⁇ , most preferably less than 20 ⁇ " ⁇ , be realized, which makes the film especially for the packaging industry.
- a heat-resistant polyolefin material is contained in at least one outer layer.
- the heat-resistant polyolefin material may be applied as a coextruded layer on the outer layer or be mixed into the outer layer, wherein both is possible.
- the total proportion of the polyolefin blended should not exceed 20% by weight.
- the polyethylene film has a haze value of less than 10, preferably less than 8, particularly preferably less than 5, the polyethylene film produced in the film laminate can also be printed on the reverse side (ie with internal printing in the film laminate), since the Foil is sufficiently transparent.
- the Haze value can be improved by the stretch ratio of the polyethylene film.
- Another object of the invention is to provide a film laminate with a polyethylene film according to the invention, and in particular a monolaminate of polyethylene.
- a sol- The film laminate is characterized in that the polyethylene film of the invention is laminated to a carrier layer, in particular of polyethylene.
- the outer layer of the stretched and printed PE film is coated with a heat-resistant polyolefin material.
- this relates to the support layer made of polyethylene as a sealing layer, facing away from side, so the outer side of the packaging laminate with the printed image ..
- the sealing temperature during processing, in particular in a packaging process can be increased due to the increased heat resistance of the polyethylene film , This improves the processability of the film laminate.
- FIG. 2 shows an inventive film laminate with a polyethylene film.
- modulus of elasticity in MPa
- modulus of elasticity 2% secant modulus defined in the mentioned standard is used in the machine direction.
- modulus of elasticity a material sample of the film web to be measured with a measuring length of 100 mm and a width of 25 mm was used and the modulus of elasticity was measured at a test speed of 10 mm / min.
- the modulus of elasticity at a certain temperature is then the measured modulus of elasticity at this temperature.
- the measurement is carried out at the desired temperature.
- the modulus of elasticity in the machine direction is the modulus of elasticity measured on a stretched film, the machine direction corresponding to the direction of stretching of the film. This is but only for films stretched in one direction, not for biaxially oriented films.
- the machine direction is the direction of transport of the film web.
- the Haze value is a measure of the turbidity of transparent samples.
- the method for measuring the Haze value is described in the standard ASTM D 1003.
- Web stiffness (in N / mm) is understood to mean the product of the modulus of elasticity defined above and the thickness of the measured film web.
- a polyethylene film 1 according to the invention with a layer thickness of less than 40 ⁇ m should have a web stiffness at 70 ° C. of at least 10 N / mm, in order to be able to be printed with sufficient print quality in a row printing process.
- layer thicknesses of the polyethylene film 1 in the range of 15-40 ⁇ m are desired. Due to this web stiffness, the polyethylene film 1 at a temperature of 70 ° C is sufficiently stiff to be printed by a series printing method such as the gravure printing method or the flexo line printing method. In this case, a register accuracy of at least +/- 0.2mm can be ensured when printing, which is sufficient for a good printing result.
- the achievable registration error would be significantly greater when printing, which would lead to insufficient printing results when printing with the line printing process.
- the registration error arises in particular because in a series printing process (such as intaglio printing or flexographic printing) each printing ink is printed individually with at least two separate printing units and after the application of each printing ink one drying step takes place at temperatures around 70 ° C.
- the polyethylene film 1 is also deflected several times in each drying step and passed through the dryer to extend the drying path. The polyethylene film 1 is thus heated during printing by the long drying path. If the web stiffness at this temperature is too low, the polyethylene film 1 expands during printing, which can shift the printed image in successive paint jobs. This leads to register error.
- the polyethylene film 1 should have a sufficiently high heat resistance, so that a film laminate produced therewith is good sealable.
- high sealing jaw temperatures are desired in order to improve the processability or the melting of the sealing layer of the film laminate polyethylene film 1, for example to produce pouches.
- the higher the possible sealing temperature the better and faster the polyethylene film 1 can be. are working, which can be achieved at a sufficiently high heat resistance of the polyethylene film 1.
- the heat resistance essentially indicates from which temperature the polyethylene film 1 begins to melt.
- the polyethylene film 1 of the present invention has a HDPE (high-density polyethylene) content of at least 50% by volume (volume percent) in order to increase the sheet rigidity of the polyethylene film 1 and the heat distortion resistance.
- a HDPE high-density polyethylene
- the required properties of the polyethylene film 1 can be achieved.
- the total HDPE content of the polyethylene film 1 but also the arrangement of the HDPE within the layers of the polyethylene film 1 is crucial.
- the polyethylene film 1 is multi-layered (FIG. 1), with at least one central layer 2 mainly of LLDPE (linear low-density polyethylene) or mLLDPE (metallocenes linear low-density polyethylene) (or a mixture thereof).
- the central layer 2 contains at least 80% by volume of LLDPE or mLLDPE, the remaining portions may be other polyolefin materials, in particular a polyethylene, e.g. HDPE.
- the central layer 2 is surrounded on both sides by an outer layer 3 of HDPE and serves to improve the toughness of the polyethylene film 1.
- the two outer layers 3 are together at least as thick as the central layer 2.
- one of the two outer layers 3 is preferably at most 50% thicker than the other outer layer. 3
- a symmetrical layer structure with two equally thick outer layers 3 is desired. This falls e.g.
- a possible asymmetric layer structure would be e.g. 3/1/2 with HDPE / LLDPE or mLLDPE / HDPE.
- the HDPE content in the multilayer polyethylene film 1 is at least 50% by volume in order to achieve the required web rigidity and heat resistance.
- a small proportion of another polyolefin material for example 5-10% LLDPE C8, can also be mixed into one or both HDPE outer layers 3 in order to further improve the toughness.
- the multilayer polyethylene film 1 can be produced for example by coextrusion of the individual layers.
- the central layer 2 could itself also be constructed in several layers.
- an outer layer 3 may be constructed in multiple layers.
- the polyethylene film 1 In order to achieve the required web stiffness at the desired low thickness of the polyethylene film 1 of less than 40 ⁇ easier, the polyethylene film 1 must be additionally stretched in at least one direction.
- the stretching of the polyethylene film 1 has the additional Chen advantageous effect that thus the Haze value of the polyethylene film is reduced.
- the draw ratio of the stretched polyethylene film 1 is preferably greater than 1: 2, in particular greater than 1: 3 and most preferably greater than 1: 4.
- At least one of the two outer layers 3 is printed with a series printing method, such as the gravure printing method or flexo line printing method (printing layer 4 in FIG. 1).
- the modulus of elasticity refers to the machine direction.
- the polyethylene film 1 from a HDPE content of 50% and a sufficient elongation (film 3) due to the achieved web stiffness even at thicknesses of less than 40 ⁇ sufficiently rigid to in a series printing process (eg gravure printing or flexo line printing process) can be printed with required register accuracy. Without stretching, the foils 3 and 4 would not be Reaching stiff for a series printing process. Due to the HDPE content of at least 50% by volume, the films 3 and 4 also have a good heat resistance.
- the heat resistance of the polyethylene film 1 can be further improved if an outer layer 3 is supplemented with a compatible heat-resistant polyolefin material such as polypropylene (PP) or a cyclo-olefin copolymer (COC).
- PP polypropylene
- COC cyclo-olefin copolymer
- the heat-resistant material can be extruded on at least one side of the polyethylene film 1 as a thin layer on the outer layer 3.
- polyethylene film 1 If other heat-resistant polyolefins (in the various types) are used in polyethylene film 1 in addition to polyethylene, then the polyethylene content of polyethylene film 1 should be at least 80% by volume so as not to impair the recyclability of polyethylene film 1. The remaining 20% by volume is formed by a compatible polyolefin material.
- An inventive film laminate 10, in particular for the packaging industry, with a polyethylene film 1 described above, as shown in FIG. 2, is produced, for example, as follows:
- a polyethylene film 1 according to the invention having a thickness of less than 40 ⁇ m, preferably less than 30 ⁇ m, in particular preferably less than 20 ⁇ m, is produced with a web stiffness at 70 ° C. of at least 10 N / mm.
- This polyethylene film 1 is made by gravure printing or in another series printing process, such as e.g. the flexo-series printing process, printed on at least one side. This can be done with sufficient accuracy due to the achieved rigidity.
- the thus printed polyethylene film 1 is then laminated on a carrier film 1 1, preferably an unstretched carrier polyethylene film, to produce the film laminate 10.
- a carrier film 1 1 preferably an unstretched carrier polyethylene film
- the carrier film 1 1 consists of polyethylene
- a Monomateriallaminat is produced.
- the printed side with the print layer 4 of the printed polyethylene film 1 may also be located on the inside, ie facing the carrier film 11, if the haze of the printed polyethylene film 1 is sufficiently low. This can be assumed, if the Haze value of the printed polyethylene film 1 is less than 10, preferably less than 8, more preferably less than 5, is.
- a carrier polyethylene film of the film laminate 10 forms a sealing layer. If the polyethylene film 1 according to the invention contains an additional heat-resistant material in an outer layer 3 (as an admixture or as a separate co-extruded layer), then this outer layer 3 is preferably arranged facing away from the polyethylene carrier film in order to be able to exploit the increased heat resistance ,
- Such haze values, and also high stiffness values in the case of thin packaging films, can be achieved in polyethylene films 1 with an HDPE content if a polyethylene film 1 stretched in at least one direction is used as the printed polyethylene film 1. Then even the otherwise rather cloudy HDPE becomes largely transparent.
- the printed polyethylene film 1 according to the invention can also be laminated with other or additional layers.
- an intermediate aluminum layer may be provided as a flavor barrier in the film laminate.
- the printed polyethylene film 1 or the carrier film 1 1 could also be metallized or coated with a barrier coating.
- the printed polyethylene film according to the invention could also be laminated onto any other carrier layer, it being possible for the carrier layer itself to be multilayered. Due to the printing, however, the polyethylene film 1 according to the invention is preferably an outer layer of the produced film laminate 10.
- the typical total thickness of the film laminate 10 according to the invention for the packaging industry is 40-120 ⁇ m. In the case of a monomaterial laminate, overall thicknesses in the range of 30-150 ⁇ m are aimed for.
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/562,132 US20180079188A1 (en) | 2015-03-27 | 2016-03-29 | Recyclable Polyethylene Film |
CN201680015379.0A CN107735255A (zh) | 2015-03-27 | 2016-03-29 | 可回收性聚乙烯薄膜 |
BR112017020493A BR112017020493A2 (pt) | 2015-03-27 | 2016-03-29 | película de polietileno reciclável. |
JP2017550584A JP2018511497A (ja) | 2015-03-27 | 2016-03-29 | リサイクル可能なポリエチレンフィルム |
MX2017012061A MX2017012061A (es) | 2015-03-27 | 2016-03-29 | Pelicula de polietileno reciclable. |
CA2981099A CA2981099A1 (en) | 2015-03-27 | 2016-03-29 | Recyclable polyethylene film |
RU2017133664A RU2017133664A (ru) | 2015-03-27 | 2016-03-29 | Пригодная для вторичного использования полиэтиленовая пленка |
EP16711860.3A EP3274166A1 (de) | 2015-03-27 | 2016-03-29 | Recyclingfähige polyethylen-folie |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT502492015 | 2015-03-27 | ||
ATA50249/2015 | 2015-03-27 |
Publications (1)
Publication Number | Publication Date |
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WO2016156293A1 true WO2016156293A1 (de) | 2016-10-06 |
Family
ID=55629045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/056767 WO2016156293A1 (de) | 2015-03-27 | 2016-03-29 | Recyclingfähige polyethylen-folie |
Country Status (10)
Country | Link |
---|---|
US (1) | US20180079188A1 (de) |
EP (1) | EP3274166A1 (de) |
JP (1) | JP2018511497A (de) |
CN (1) | CN107735255A (de) |
AT (1) | AT15085U1 (de) |
BR (1) | BR112017020493A2 (de) |
CA (1) | CA2981099A1 (de) |
MX (1) | MX2017012061A (de) |
RU (1) | RU2017133664A (de) |
WO (1) | WO2016156293A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018087130A1 (en) * | 2016-11-09 | 2018-05-17 | Sabic Global Technologies B.V. | Multi-layer film |
AT519866A4 (de) * | 2017-05-05 | 2018-11-15 | Constantia Hueck Folien Gmbh & Co Kg | Recyclingfreundliches, einfach reißbares Verpackungslaminat mit guter Barrierewirkung und Verfahren zu dessen Herstellung |
WO2020074688A1 (en) | 2018-10-13 | 2020-04-16 | Constantia Pirk Gmbh & Co. Kg | Recyclable pe packaging film with improved stiffness |
WO2021094008A1 (de) * | 2019-11-12 | 2021-05-20 | Rkw Se | Kaschierverbund |
EP3938207A4 (de) * | 2019-03-11 | 2022-11-09 | Mondi Kale Nobel Ambalaj Sanayi Ve Ticaret Anonim Sirketi | Lebensmittelverpackung, die keine klebstoffe oder ähnlichen chemikalien enthält und zu 100 % recycelbar ist |
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RU2726132C2 (ru) * | 2015-10-29 | 2020-07-09 | Тетра Лаваль Холдингз Энд Файнэнс С.А. | Ламинированный упаковочный материал, содержащий барьерную пленку, и произведенные из него упаковочные контейнеры |
AT521168B1 (de) | 2018-06-21 | 2019-11-15 | Constantia Pirk Gmbh & Co Kg | Recycelfreundliches Verpackungslaminat mit verbesserter Wärmebeständigkeit beim Siegeln |
EP3845380A4 (de) * | 2018-08-31 | 2022-08-24 | Dai Nippon Printing Co., Ltd. | Heisssiegelbares laminat, schichtsubstrat, laminat für gasbarrierezwischenschicht, laminat für verpackungsmaterial und verpackungsmaterial |
JP7182069B2 (ja) * | 2018-08-31 | 2022-12-02 | 大日本印刷株式会社 | 包装材料用積層体および包装材料 |
JP7324987B2 (ja) | 2018-09-28 | 2023-08-14 | 大日本印刷株式会社 | 積層体、包装材料、包装袋およびスタンドパウチ |
JP7259623B2 (ja) | 2019-07-29 | 2023-04-18 | 凸版印刷株式会社 | ガスバリア積層体及びこれを用いた包装材 |
US11987026B2 (en) | 2020-05-27 | 2024-05-21 | Proampac Holdings Inc. | Recyclable laminated polyolefin-based film structures |
MX2022014257A (es) | 2020-05-27 | 2022-12-07 | Proampac Holdings Inc | Estructuras con una pelicula a base de poliolefina laminada reciclable. |
WO2022020732A1 (en) | 2020-07-24 | 2022-01-27 | Proampac Holdings Inc. | High clarity, recyclable, polyethylene-based packaging films |
EP3995309A1 (de) * | 2020-11-10 | 2022-05-11 | Di Mauro Officine Grafiche S.p.A. | Multilayer mono-material polyethylene montage und ihre verwendung in der lebensmittelverpackung |
WO2024076747A1 (en) * | 2022-10-07 | 2024-04-11 | Proampac Holdings Inc. | Recyclable laminated polyolefin-based film structures |
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-
2015
- 2015-03-27 AT ATGM8024/2016U patent/AT15085U1/de not_active IP Right Cessation
-
2016
- 2016-03-29 US US15/562,132 patent/US20180079188A1/en not_active Abandoned
- 2016-03-29 CA CA2981099A patent/CA2981099A1/en not_active Abandoned
- 2016-03-29 MX MX2017012061A patent/MX2017012061A/es unknown
- 2016-03-29 EP EP16711860.3A patent/EP3274166A1/de not_active Withdrawn
- 2016-03-29 BR BR112017020493A patent/BR112017020493A2/pt not_active Application Discontinuation
- 2016-03-29 JP JP2017550584A patent/JP2018511497A/ja active Pending
- 2016-03-29 WO PCT/EP2016/056767 patent/WO2016156293A1/de active Application Filing
- 2016-03-29 CN CN201680015379.0A patent/CN107735255A/zh active Pending
- 2016-03-29 RU RU2017133664A patent/RU2017133664A/ru not_active Application Discontinuation
Patent Citations (3)
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US6132827A (en) * | 1997-05-19 | 2000-10-17 | Aep Industries, Inc. | Tacky stretch film and method of making and using the same |
EP1543955A1 (de) * | 2003-12-18 | 2005-06-22 | Nordenia Deutschland Gronau GmbH | Etikettenfolien-Laminat |
DE102005003922A1 (de) | 2005-01-27 | 2006-08-03 | Ccl Label Gmbh | Siegelbares Tubenlaminat |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018087130A1 (en) * | 2016-11-09 | 2018-05-17 | Sabic Global Technologies B.V. | Multi-layer film |
AT519866A4 (de) * | 2017-05-05 | 2018-11-15 | Constantia Hueck Folien Gmbh & Co Kg | Recyclingfreundliches, einfach reißbares Verpackungslaminat mit guter Barrierewirkung und Verfahren zu dessen Herstellung |
AT519866B1 (de) * | 2017-05-05 | 2018-11-15 | Constantia Hueck Folien Gmbh & Co Kg | Recyclingfreundliches, einfach reißbares Verpackungslaminat mit guter Barrierewirkung und Verfahren zu dessen Herstellung |
WO2020074688A1 (en) | 2018-10-13 | 2020-04-16 | Constantia Pirk Gmbh & Co. Kg | Recyclable pe packaging film with improved stiffness |
US11235562B2 (en) | 2018-10-13 | 2022-02-01 | Constantia Pirk Gmbh & Co. Kg | Recyclable PE packaging film with improved stiffness |
EP3938207A4 (de) * | 2019-03-11 | 2022-11-09 | Mondi Kale Nobel Ambalaj Sanayi Ve Ticaret Anonim Sirketi | Lebensmittelverpackung, die keine klebstoffe oder ähnlichen chemikalien enthält und zu 100 % recycelbar ist |
WO2021094008A1 (de) * | 2019-11-12 | 2021-05-20 | Rkw Se | Kaschierverbund |
Also Published As
Publication number | Publication date |
---|---|
EP3274166A1 (de) | 2018-01-31 |
MX2017012061A (es) | 2018-06-18 |
BR112017020493A2 (pt) | 2018-08-07 |
AT15085U1 (de) | 2016-12-15 |
CA2981099A1 (en) | 2016-10-06 |
RU2017133664A3 (de) | 2019-04-04 |
RU2017133664A (ru) | 2019-04-04 |
CN107735255A (zh) | 2018-02-23 |
JP2018511497A (ja) | 2018-04-26 |
US20180079188A1 (en) | 2018-03-22 |
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