WO2021166919A1 - 充填食品用紙容器 - Google Patents
充填食品用紙容器 Download PDFInfo
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- WO2021166919A1 WO2021166919A1 PCT/JP2021/005781 JP2021005781W WO2021166919A1 WO 2021166919 A1 WO2021166919 A1 WO 2021166919A1 JP 2021005781 W JP2021005781 W JP 2021005781W WO 2021166919 A1 WO2021166919 A1 WO 2021166919A1
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- thermoplastic resin
- resin
- main component
- polyethylene resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/082—Layered products comprising a layer of metal comprising metal 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 comprising vinyl resins; comprising acrylic resins
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/085—Layered products comprising a layer of metal comprising metal 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 comprising polyolefins
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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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
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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
- B32B27/10—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 paper or cardboard
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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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/14—Linings or internal coatings
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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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
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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
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Definitions
- the present invention relates to a filled food paper container used for producing a containerized food in which a food material such as tofu is filled in a container, sealed and heat-solidified.
- filled foods there are foods such as tofu, water yokan, and pudding that are manufactured by filling a container with the ingredients, sealing them, and heat-solidifying them (hereinafter referred to as filled foods).
- filled foods For example, when the filled food is tofu, the filled tofu is produced by filling the container with the tofu material containing soymilk and a coagulant, sealing the container, and heating the container filled with the tofu material at 60 to 100 degrees Celsius.
- the filled tofu is produced by filling the container with the tofu material containing soymilk and a coagulant, sealing the container, and heating the container filled with the tofu material at 60 to 100 degrees Celsius.
- Metal containers, synthetic resin containers, paper containers, etc. are known as containers used for filled foods such as filled tofu, but paper containers have become widespread due to their ease of disposal after use, recycling characteristics, etc. ing.
- a paper container for sealing and accommodating food a thermoplastic resin layer containing polyethylene resin as a main component, a paper base material layer, a thermoplastic resin layer containing polyethylene resin as a main component, and a barrier layer are provided from the outer surface side to the inner surface side.
- a paper container formed of a paper container material having a thermoplastic resin layer containing a polyethylene resin as a main component in the innermost layer see, for example, Patent Document 2).
- thermoplastic resin containing a polyethylene resin as a main component constituting the innermost layer of the paper container material described above It is conceivable to laminate a polyethylene resin film to which a compounding agent selected from a polyhydric alcohol or a derivative thereof and a polyoxyethylene derivative is added to the layer to form the innermost layer.
- the polyethylene resin layer which is the innermost layer to which the compounding agent is added and the polyethylene resin inside the polyethylene resin layer are the main components. In some cases, peeling occurred between the resin layer and the thermoplastic resin layer, and the content liquid leaked.
- thermoplastic resin layer (A layer) containing a polyethylene resin as a main component from the outer surface side to the inner surface side, a thermoplastic resin layer (A layer) containing a polyethylene resin as a main component, a paper base material layer (B layer), and the like.
- a filled food paper container formed of a container material provided with a resin layer (H layer) has been proposed (see, for example, Patent Document 4).
- the polyethylene resin and the polypropylene are sandwiched between the thermoplastic resin layer (F layer) containing the polyethylene resin as the main component inside the thermoplastic resin layer (H layer). Since it has a laminated structure with a thermoplastic resin layer (G layer) mixed with resin intervening, it is the innermost layer in the process of filling a container with food materials such as tofu, sealing it, and heat-solidifying it.
- the elution of the compounding agent from the thermoplastic resin layer (H layer) is suppressed by the thermoplastic resin layer (G layer), and migration to the thermoplastic resin layer (F layer) can be prevented, whereby the heat can be prevented. Since the occurrence of peeling of the thermoplastic resin layer (H layer) from the plastic resin layer (F layer) can be prevented, a filled food paper container without leakage of the content liquid can be obtained.
- the adhesive layer (E layer) containing the polyethylene / methacrylic acid copolymer resin laminated on the barrier layer (D layer) as the main component is used.
- the thermoplastic resin layer (F layer) containing polyethylene resin as the main component is laminated and laminated, but the adhesive layer (E layer) and the thermoplastic resin layer (F layer) are made of ethylene / methacrylate copolymer resin. Since the main components are different resins such as polyethylene resin, it cannot be said that the adhesiveness between the two is high.
- the adhesive strength between the adhesive layer (E layer) and the thermoplastic resin layer (F layer) is a condition necessary for maintaining the performance of the filled food paper container, but the adhesiveness between the ethylene / methacrylic acid copolymer resin and the polyethylene resin is high. Since it is not high, the adhesive strength between the adhesive layer (E layer) and the thermoplastic resin layer (F layer) is increased by long-term storage of the filled food paper container or heat treatment in the manufacturing process when the filled food is tofu, for example. There is a problem that the amount is lowered, peeling occurs between the adhesive layer (E layer) and the thermoplastic resin layer (F layer), and the content liquid may leak.
- An object of the present invention is to provide a filled food paper container capable of increasing the initial adhesive strength between laminates and preventing leakage of the content liquid due to delamination.
- thermoplastic resin layer (A layer) containing a polyethylene resin as a main component, a paper base material layer (B layer), and the like.
- the thermoplastic resin layer (I layer) containing the polyethylene resin as a main component is characterized in that the materials are formed in a laminated state by coextrusion.
- the adhesive layer (E layer) containing the ethylene / methacrylic acid copolymer resin as a main component and the thermoplastic resin layer (I layer) containing the polyethylene resin as a main component are made of materials. Is formed in a laminated state by coextrusion, so that the adhesive layer (E layer) containing the ethylene / methacrylic acid copolymer resin as the main component and the thermoplastic resin layer containing the polyethylene resin as the main components at the time of coextrusion are used. The materials of the (I layer) are in contact with each other and the contact surface side is mixed, and the adhesive layer (E layer) and the thermoplastic resin layer (I layer) have a laminated structure with no risk of peeling.
- thermoplastic resin layer (F layer) is laminated and laminated on the thermoplastic resin layer (I layer) laminated on the adhesive layer (E layer), so that the thermoplastic resin layer (I layer) and the thermoplastic resin layer (I layer) are laminated. Since the thermoplastic resin layer (F layer) is the same resin, high adhesive strength can be obtained between the thermoplastic resin layer (I layer) and the thermoplastic resin layer (F layer). There is no problem that peeling occurs between the adhesive layer (E layer) and the thermoplastic resin layer (F layer) such as the filled food paper container described, and there is a situation such as leakage of the content liquid due to delamination. Occurrence can be prevented.
- the invention according to claim 2 is the adhesive layer (E layer) containing the ethylene / methacrylic acid copolymer resin as a main component and the thermoplastic resin layer (I) containing the polyethylene resin as a main component, according to claim 1.
- the layer) is coextruded by the T-die method.
- the laminated structure makes it possible to more reliably prevent the occurrence of situations such as leakage of the content liquid due to delamination.
- the filled food paper container according to the present invention it is possible to prevent the occurrence of a situation such as leakage of the content liquid due to delamination.
- FIG. 1 is an explanatory view showing an example of a laminated structure of container materials forming a filled food paper container according to the present invention.
- the filled food paper container of this example has a thermoplastic resin layer (A layer) containing a polyethylene resin as a main component, a paper base material layer (B layer), and a thermoplastic resin containing a polyethylene resin as a main component.
- the plastic resin layer (I layer) is formed of a container material in which the materials are co-extruded to form a laminated state.
- Barrier layer (D layer) adhesive layer mainly composed of ethylene / methacrylate copolymer resin (E layer), thermoplastic resin layer mainly composed of polyethylene resin (F layer), mixed polyethylene resin and polypropylene resin
- Patent Document 4 describes the laminated structure up to the thermoplastic resin layer (G layer) and the thermoplastic resin layer (H layer) in which a compounding agent selected from polyhydric alcohol or a derivative thereof and a polyoxyethylene derivative is added to the polyolefin resin. It is no different from the container materials used as conventional filled food paper containers described in.
- thermoplastic resin layer (C layer) contains a linear low-density polyethylene resin (LLDPE) as a component
- the thermoplastic resin layer (F layer) contains a high-pressure low-density polyethylene resin (LDPE) as a component. ..
- LDPE high-pressure low-density polyethylene resin
- D layer aluminum foil is used as the barrier layer (D layer).
- the container material for molding the filled food paper container according to the present invention contains a polyethylene resin as a main component between the adhesive layer (E layer) and the thermoplastic resin layer (F layer) of the laminated structure laminated as described above.
- the thermoplastic resin layer (I layer) to be used is laminated.
- thermoplastic resin layer (A layer) is laminated and laminated on the outer surface of the paper base material layer (B layer).
- thermoplastic resin layer (C layer) containing polyethylene resin as a main component is laminated and laminated on the inner surface of the paper base material layer (B layer), and a barrier layer is placed on the thermoplastic resin layer (C layer).
- D layer is laminated and laminated.
- the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are laminated and laminated in this order on the barrier layer (D layer).
- the materials of the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are co-extruded to form a barrier layer (D layer). Laminate on top of it.
- the materials of the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are co-extruded by the T-die method.
- thermoplastic resin layer (F layer), the thermoplastic resin layer (G layer), and the thermoplastic resin layer (H layer) are laminated and laminated in this order on the thermoplastic resin layer (I layer). ..
- thermoplastic resin layer (F layer), the thermoplastic resin layer (G layer), and the thermoplastic resin layer (H layer) are laminated.
- thermoplastic resin layer (H layer) may be laminated and laminated on the thermoplastic resin layer (I layer), and the thermoplastic resin layer (F layer) and the thermoplastic resin layer ( The materials of the G layer) and the thermoplastic resin layer (H layer) may be co-extruded and laminated on the thermoplastic resin layer (I layer).
- thermoplastic resin layer (A layer) is first laminated on the outer surface of the paper base material layer (B layer), but the thermoplastic resin layer is on the inner surface side of the paper base material layer (B layer).
- C layer barrier layer
- D layer barrier layer
- adhesive layer E layer
- thermoplastic resin layer I layer
- thermoplastic resin layer F layer
- thermoplastic resin layer G layer
- thermoplastic resin layer After laminating (H layer), the thermoplastic resin layer (A layer) may be laminated on the outer surface of the paper base material layer (B layer) at the end.
- the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are formed in a laminated state by coextrusion of the materials. Since the materials are in contact with each other, even if the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are mainly composed of different resins, the contact surface side is in a mixed state, and the adhesive layer (adhesive layer) The E layer) and the thermoplastic resin layer (I layer) have a laminated structure with no risk of peeling.
- thermoplastic resin layer (F layer) is laminated and laminated on the thermoplastic resin layer (I layer) laminated on the adhesive layer (E layer), the thermoplastic resin layer (I layer) is laminated. Since the resin layer (F layer) is the same resin, high adhesive strength can be obtained between the thermoplastic resin layers (I layer) laminated on the adhesive layer (E layer).
- the materials of the adhesive layer (E layer) and the thermoplastic resin layer (I layer) are co-extruded by the T-die method, so that the adhesive layer (E layer) and the thermoplastic resin layer (the E layer) and the thermoplastic resin layer ( The materials of the I layer) are contact-mixed in the T-die to increase the mixing range of the two, and the adhesive layer (E layer) and the thermoplastic resin layer (I layer) have a laminated structure with less risk of peeling. Become.
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Abstract
Description
例えば、充填食品が豆腐である場合、容器に豆乳と凝固剤を投入した豆腐材料を充填して密封し、豆腐材料を充填した容器を60~100度で加熱することにより、充填豆腐を製造している(例えば、特許文献1参照)。
この特許文献3に記載されている技術を特許文献2に記載された紙容器材料の最内層に適用すれば、紙容器の内面と食品との身離れ性が良くなり、紙容器から食品を容易に取り出せることになる。
図1は本発明に係る充填食品用紙容器を形成する容器材料の積層構造の一例を示す説明図である。
先ず、紙基材層(B層)の外面に熱可塑性樹脂層(A層)をラミネートして積層させる。
熱可塑性樹脂層(F層)、熱可塑性樹脂層(G層)、熱可塑性樹脂層(H層)の積層にあっては、熱可塑性樹脂層(F層)、熱可塑性樹脂層(G層)、熱可塑性樹脂層(H層)の3層フィルムを熱可塑性樹脂層(I層)の上にラミネートして積層してもよく、また、熱可塑性樹脂層(F層)、熱可塑性樹脂層(G層)、熱可塑性樹脂層(H層)の素材同士を共押出しにより熱可塑性樹脂層(I層)の上にラミネートして積層するようにしてもよい。
Claims (2)
- 外面側から内面側にかけて、ポリエチレン樹脂を主成分とする熱可塑性樹脂層(A層)、紙基材層(B層)、ポリエチレン樹脂を主成分とする熱可塑性樹脂層(C層)、バリア層(D層)、エチレン・メタクリル酸共重合樹脂を主成分とする接着層(E層)、ポリエチレン樹脂を主成分とする熱可塑性樹脂層(I層)、ポリエチレン樹脂を主成分とする熱可塑性樹脂層(F層)、ポリエチレン樹脂とポリプロピレン樹脂を混合した熱可塑性樹脂層(G層)、ポリオレフィン系樹脂に多価アルコールもしくはその誘導体およびポリオキシエチレン誘導体から選ばれる配合剤を添加した熱可塑性樹脂層(H層)を備えた容器材料からなり、
前記エチレン・メタクリル酸共重合樹脂を主成分とする接着層(E層)と前記ポリエチレン樹脂を主成分とする熱可塑性樹脂層(I層)は素材同士が共押出しにより積層状態に形成されたものであることを特徴とする充填食品用紙容器。 - 前記エチレン・メタクリル酸共重合樹脂を主成分とする接着層(E層)と前記ポリエチレン樹脂を主成分とする熱可塑性樹脂層(I層)の共押出しがTダイ法によるものであることを特徴とする請求項1に記載の充填食品用紙容器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020227031958A KR20220140822A (ko) | 2020-02-17 | 2021-02-16 | 충전 식품용 종이 용기 |
EP21756780.9A EP4155229A1 (en) | 2020-02-17 | 2021-02-16 | Paper container for packed food |
AU2021222526A AU2021222526A1 (en) | 2020-02-17 | 2021-02-16 | Paper container for packed food |
CN202180028978.7A CN115697854A (zh) | 2020-02-17 | 2021-02-16 | 填充食品用纸容器 |
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JP2020024799A JP7075424B2 (ja) | 2020-02-17 | 2020-02-17 | 充填食品用紙容器 |
JP2020-024799 | 2020-02-17 |
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WO2021166919A1 true WO2021166919A1 (ja) | 2021-08-26 |
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PCT/JP2021/005781 WO2021166919A1 (ja) | 2020-02-17 | 2021-02-16 | 充填食品用紙容器 |
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EP (1) | EP4155229A1 (ja) |
JP (1) | JP7075424B2 (ja) |
KR (1) | KR20220140822A (ja) |
CN (1) | CN115697854A (ja) |
AU (1) | AU2021222526A1 (ja) |
WO (1) | WO2021166919A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001278330A (ja) * | 2000-03-31 | 2001-10-10 | Nihon Tetra Pak Kk | 積層包装材料および積層包装材料の製造法 |
JP2006035466A (ja) * | 2004-07-22 | 2006-02-09 | Nippon Paper Industries Co Ltd | 積層シート及びその製造方法 |
WO2014024913A1 (ja) * | 2012-08-10 | 2014-02-13 | 日本製紙株式会社 | 多層紙容器 |
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WO2017018026A1 (ja) * | 2015-07-24 | 2017-02-02 | 日本製紙株式会社 | 充填食品用紙容器 |
WO2018137947A1 (en) * | 2017-01-30 | 2018-08-02 | Sig Technology Ag | Sheet-like composite for producing dimensionally stable food product containers with a barrier layer comprising a barrier substrate layer and an inwards-pointing barrier material layer |
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JPH0762163A (ja) | 1993-08-25 | 1995-03-07 | Tonen Chem Corp | 食品容器用ポリオレフィン樹脂組成物 |
BR9814540A (pt) * | 1997-12-31 | 2004-06-29 | Kimberly Clark Co | Pelìcula respirável de microcamada de polìmeros degradáveis e elastÈmeros termoplásticos, e método para fabricação da mesma |
JP2004017984A (ja) | 2002-06-13 | 2004-01-22 | Dainippon Printing Co Ltd | レトルト処理用紙容器の積層体およびレトルト処理用紙容器 |
CN101879808B (zh) * | 2010-06-22 | 2012-03-28 | 李民 | 氟塑料层和聚酯层的粘结方法 |
JP6322894B2 (ja) | 2013-03-28 | 2018-05-16 | 不二製油株式会社 | 充填豆腐 |
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2020
- 2020-02-17 JP JP2020024799A patent/JP7075424B2/ja active Active
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- 2021-02-16 KR KR1020227031958A patent/KR20220140822A/ko not_active Application Discontinuation
- 2021-02-16 AU AU2021222526A patent/AU2021222526A1/en active Pending
- 2021-02-16 EP EP21756780.9A patent/EP4155229A1/en active Pending
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JP2001278330A (ja) * | 2000-03-31 | 2001-10-10 | Nihon Tetra Pak Kk | 積層包装材料および積層包装材料の製造法 |
JP2006035466A (ja) * | 2004-07-22 | 2006-02-09 | Nippon Paper Industries Co Ltd | 積層シート及びその製造方法 |
WO2014024913A1 (ja) * | 2012-08-10 | 2014-02-13 | 日本製紙株式会社 | 多層紙容器 |
WO2015052741A1 (ja) * | 2013-10-07 | 2015-04-16 | 中本パックス株式会社 | 紙容器用積層材及びそれを用いた紙容器 |
WO2017018026A1 (ja) * | 2015-07-24 | 2017-02-02 | 日本製紙株式会社 | 充填食品用紙容器 |
WO2018137947A1 (en) * | 2017-01-30 | 2018-08-02 | Sig Technology Ag | Sheet-like composite for producing dimensionally stable food product containers with a barrier layer comprising a barrier substrate layer and an inwards-pointing barrier material layer |
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AU2021222526A1 (en) | 2022-10-13 |
KR20220140822A (ko) | 2022-10-18 |
JP2021127172A (ja) | 2021-09-02 |
EP4155229A1 (en) | 2023-03-29 |
JP7075424B2 (ja) | 2022-05-25 |
CN115697854A (zh) | 2023-02-03 |
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