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WO2003061969A1 - Materiau stratifie pour contenants en papier et contenants en papier pour liquides - Google Patents

Materiau stratifie pour contenants en papier et contenants en papier pour liquides Download PDF

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Publication number
WO2003061969A1
WO2003061969A1 PCT/JP2003/000540 JP0300540W WO03061969A1 WO 2003061969 A1 WO2003061969 A1 WO 2003061969A1 JP 0300540 W JP0300540 W JP 0300540W WO 03061969 A1 WO03061969 A1 WO 03061969A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper
laminated material
paper container
layer
buffer layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2003/000540
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English (en)
Japanese (ja)
Inventor
Noriyuki Sasaki
Hidenobu Miyake
Hajime Ishikawa
Toshiyuki Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP2003561883A priority Critical patent/JP4239821B2/ja
Publication of WO2003061969A1 publication Critical patent/WO2003061969A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4266—Folding lines, score lines, crease lines

Definitions

  • the present invention relates to a laminated material for a paper container and a liquid paper container, and more particularly to a laminated material for a paper container and a liquid paper container capable of retorting without generating pinholes.
  • a sandwich is used.
  • a paper container formed in a cup shape or a box shape is known.
  • the inventors of the present invention have replaced the paperboard with a resin selected from silane-based resins, melamin-based resins, isocyanate-based resins, and acryl-based resins.
  • a resin selected from silane-based resins, melamin-based resins, isocyanate-based resins, and acryl-based resins We tried a method using heat-resistant water-treated paper impregnated with paper. Specifically, a laminated material was formed by combining this heat-resistant processed paper with the barrier layer and the sealant layer via an adhesive or a low-density polyethylene resin. Next, we tried a method of forming this laminated material into a paper container and retorting.
  • this method allows retort processing, but it is not possible to fold paper that has multiple layers at a deep angle, such as when molding brick-shaped containers. There is a problem that pinholes are easily generated from the part.
  • An object of the present invention is to provide a laminated material for a paper container and a liquid paper container that can be retorted without generating pinholes.
  • the laminated material for paper containers of the present invention is configured as follows.
  • the laminated material for a paper container of the present invention has a buffer layer, a non-layer, and a sealant layer sequentially laminated on one surface of heat-resistant water-treated paper.
  • the buffer layer acts as a buffer material and pinholes are generated in the barrier layer. There is nothing.
  • the buffer layer is selected from a medium-density polyethylene resin, a high-density polyethylene resin, a polypropylene resin, and a polyamide resin. Alternatively, it may be composed of one or a mixture of these resins.
  • the buffer layer may have a thickness of 10 to 70 m.
  • the material and Z or thickness of the buffer layer are specified, so that even if the laminated material is bent, the buffer layer has a sufficient buffer effect. Demonstrate.
  • the liquid paper container of the present invention is manufactured using the laminated material for a paper container according to any one of (1) to (4).
  • FIG. 1 is an explanatory sectional view showing an embodiment of the laminated material for a paper container of the present invention.
  • FIG. 2 shows a paper container formed using the laminated material for a paper container of the present invention. It is a perspective explanatory view showing one embodiment of a vessel.
  • FIG. 3 is an explanatory sectional view showing an example of a conventional laminated material for paper containers.
  • FIGS. 4 to 11 are cross-sectional views for explaining stress due to the insertion of a wire in a conventional laminated material for paper containers.
  • FIG. 12 and FIG. 13 are cross-sectional views for explaining relaxation of stress in the laminated material for a paper container of the present invention.
  • FIG. 1 is an explanatory sectional view showing an embodiment of the laminated material for a paper container of the present invention.
  • the laminated material 10 for a paper container has a structure in which a buffer layer 12, a barrier layer 13, and a sealant layer 14 are sequentially laminated on one surface of heat-resistant water-treated paper 11.
  • the heat-resistant water-treated paper 11 is obtained by impregnating or applying a resin to a paper base material.
  • paper base material for example, various types of paper such as the following (11a) to (llf) can be used.
  • NBKP softwood bleached curve
  • cup base paper is a paper obtained by mixing the NBKP material and the LBKP material of 100% virgin pulp, and adding a sizing agent, a paper strength enhancer, and the like.
  • the hot water-treated paper 11 is obtained by impregnating or applying a resin capable of imparting hot water resistance to these paper base materials.
  • the heat-resistant paper 11 can be further impregnated with a paper strength enhancer when wet, a water-proofing agent, and a water-repellent agent, if necessary.
  • these paper base materials may be impregnated with a resin that imparts rigidity and water resistance in a papermaking stage or in a secondary processing stage after papermaking.
  • the fiber structure and the paper substrate referred to here include all fiber structures made of pulp or the like, and are not limited to what is called paper.
  • the resin to be impregnated or applied may be a thermosetting resin such as a silane resin, a melamine resin, a urethane resin, an isocyanate resin, or an acrylic resin.
  • Resins, polyester resins, thermoplastic resins such as polyethylene resins and polypropylene resins can be selected and used depending on the required heat-resistant water temperature. Further, even when high water repellency is required as an additional function, the above resin materials may be compounded or mixed according to the required level of water repellency as long as the required hot water resistance is not impaired. It can be used. Further, when imparting dry strength, water resistance, and wet strength, polyvinyl alcohol resin, polyacrylamide resin, starch and the like can be used as the resin to be impregnated.
  • Urea-formaldehyde resin, melamine-formaldehyde resin, starch, polyamide amide, modified epichlorohydrin, and various latexes are used as wet strength agents. It is possible.
  • the various types of latex include natural rubber latex, synthetic rubber latex such as SBR, NBR, and polystyrene, polyvinyl acetate, acrylic resin, polyvinyl chloride, polyvinylidene chloride, or a mixture thereof.
  • examples include polymer resin latex.
  • the base material of the fibrous structure that becomes heat-resistant water paper is made by impregnating (internally or externally) in the papermaking process or in the secondary processing after papermaking.
  • the aforementioned resin can be evenly distributed over the entire thickness direction.
  • the density, thickness, amount of resin to be internally added, etc. of the impregnated paper can be arbitrarily determined according to the desired functional level as the laminated material of the present invention.
  • impregnating a paper base material with a resin that imparts rigidity, water resistance, and hot water resistance as a secondary process after or after the papermaking process will be described.
  • the impregnation method by external addition include a dipping method in which a fibrous structure is immersed in an impregnating agent and an excessive amount of the impregnating agent is temporarily applied, or preferably, a fixed amount of the impregnating agent is applied or impregnated. Gravure coating method and roll coating method.
  • an impregnation method by external addition It is also possible to impregnate the impregnating agent from both sides of the fiber structure.
  • an impregnating agent for impregnating the inside of the paper base material is applied from one side or both sides, and the impregnating agent penetrates into the inside of the base material.
  • a coating unit can be formed on the surface of the paper substrate in the last unit.
  • the obtained impregnated paper has high wet strength, for example, by impregnating the entire inside of the impregnated paper with a wet paper strength enhancer or the like.
  • a high water-repellent effect can be imparted by disposing a water-repellent agent or the like on the surface layer of the impregnated paper.
  • impregnating agent can be supplied to the paper substrate
  • a desired impregnation method can be used depending on the paper substrate and the impregnating agent.
  • these impregnation methods are secondary processes, they require a small amount of processing compared to the papermaking process and can be performed at low cost.
  • an isocyanate-based resin is preferable from the viewpoint of further improving water resistance and heat resistance.
  • the isocyanate resin has the property of improving the wet strength of paper when impregnated into a paper base material.
  • the urea compound formed by the isocyanate and the water in the paper has extremely high heat resistance, water resistance, and hot water resistance, so the isocyanate resin significantly reduces the water absorption of the paper base material. it can. Therefore, the paper container using the isocyanate resin-impregnated paper has extremely excellent shape retention and buckling strength not only in the dry state but also in the wet state.
  • paper containers made of heat-resistant water-treated paper impregnated with isocyanate resin show extremely high shape retention and hot water resistance even under hot water conditions such as boil sterilization and retort sterilization processes. ing.
  • a well-known polyiso resin As the resin to be impregnated, a well-known polyiso resin is used.
  • the cyanate compound can be used.
  • Well-known polyisocyanate compounds include, for example, phenylene diisocyanate (PDI), tolylene diisocyanate (chond DI), naphthene diisocyanate (NDI), and 4,4 'diisocyanate
  • Aromatic diisocyanates such as diphenyldimethanane (MDI), aromatic and aliphatic diisocyanates such as xylylene diisocyanate (XDI), hydrogenated TDI, hydrogenated XDI, hydrogenated MDI, hexamethylene Aliphatic or alicyclic diisocyanates such as range isocyanate (HMDI) and isophorone diisocyanate (IPDI), and their derivatives, such as polyol adducts and burettes, 3
  • trifunctional isocyanates such as
  • the amount of impregnation may be set so that the impregnated paper has a tensile strength when wet of 10% or more when dry. According to such a setting, heat resistance and water resistance can be improved, and the shape retention and rigidity of the container when wet can be maintained.
  • the buffer layer 12 is a layer located between the heat-resistant water-treated paper 11 and a barrier layer 13 described later.
  • the buffer layer 12 needs a buffering property and heat resistance. Films such as high-density polyethylene, high-density polyethylene, and polypropylene can be preferably used.
  • the thickness of the buffer layer 12 is preferably about 10 to 70 _t m, and more preferably 30 to 50 m.
  • the thickness of the buffer layer 12 is less than 10 m, it will not be possible to obtain sufficient cushioning for stress due to stress or heat applied during molding into a container or during retorting. There is a problem that holes are easily generated. If the thickness of the buffer layer 12 exceeds 70, problems occur that it is not economical and that formability is deteriorated.
  • the name of the buffer layer 12 may be arbitrarily changed as long as it has flexibility and plasticity and alleviates the stress of the barrier layer 13.
  • the buffer layer 12 may be called an arbitrary name such as the cushion layer 12, the relaxation layer 12, the plastic layer 12 or the flexible layer 12 instead of the name of the buffer layer.
  • the barrier layer 13 is a layer provided inside the buffer layer 12 and imparting gas barrier properties and water vapor barrier properties.
  • the barrier layer 13 for example, aluminum oxide or silicon oxide is formed on a stretched film such as a uniaxially or biaxially stretched polyethylene terephthalate film, a polyamide film, or a polyolefin.
  • Inorganic compound vapor-deposited plastic films, aluminum foil (A1), etc. in which a thin film of an inorganic compound such as is provided in a thickness of about 20 to 500 nm by a vapor deposition method such as physical vapor deposition or chemical vapor deposition. Can be used favorably.
  • the thickness of the Nori layer 13 is preferably about 7 to 30 m.
  • the type to be selected as the barrier layer 13 may be determined appropriately according to the purpose of use, purpose, and the like. Since the sealant layer 14 requires retort resistance as well as heat sealing properties, cast polypropylene (CPP) film or linear low-density polyethylene (L-L LDPE) film can be used preferably.
  • the thickness of the sealant layer 14 is preferably about 30 to 100 m.
  • the laminated material 10 for a paper container is made of a two-component reaction type poly- lylate, which is a known laminating method of each of a heat-resistant water-treated paper 11, a buffer layer 12, a barrier layer 13, and a sealant layer 14. It is manufactured by laminating by a known laminating method such as a dry laminating method using an ester resin-based or polyester resin-based adhesive or an extruder-lamination method.
  • the laminated material 10 for a paper container manufactured in this manner is attached to a paper container molding machine, and molded into a brick-shaped paper container 20 as shown in FIG. 2, for example.
  • the types of the paper container forming machine include a sheet type, a sleeve type and a roll type.
  • the sheet type is a method in which a laminated paper container material 10 punched into a blank is formed into a paper container 20.
  • the sleeve type is a method of forming a paper container laminated material 10 semi-formed into a cylindrical shape into a paper container 20.
  • the roll type is a method in which a roll-shaped laminated material 10 for a paper container is formed into a paper container 20.
  • the laminated material 10 for a paper container of the present embodiment can be applied to any type of paper container forming machine.
  • Paper containers that can be formed using the laminated material 10 for paper containers include not only brick-shaped paper containers, but also roof-type containers and four-sided containers. It can also be used for body containers, cup-shaped containers, etc.
  • Example 1 describes the effect of checking the effect of the presence or absence of the buffer layer 12.
  • Example 2 is to confirm the effect of the heat resistance of the buffer layer 12.
  • a cup base paper having a basis weight of 180 g / m 2 was impregnated with an isocyanate resin by dipping to prepare a heat-resistant water-treated paper 11.
  • a 40 m thick CPP film which is a buffer layer 12, is attached to one side of the heat-resistant water-treated paper 11 1 by a dry laminating method using an adhesive, and the heat-resistant water-treated paper 11 is buffered.
  • a composite paper with layer 12 was prepared.
  • the adhesive was Takerac A 515 (manufactured by Mitsui Takeda Chemical Co., Ltd.), which is a two-part reactive polyester resin adhesive.
  • the buffer layer 12 side of the composite paper and the barrier layer 13 side of the composite film were opposed to each other, and were bonded to each other by the dry laminating method using the above-mentioned bamboo rack A515.
  • the laminated material 10 for the paper container of Example 1 was produced.
  • the laminated material 10 for the paper container of Example 1 is made of heat-resistant water-treated paper (180 g Zm2, 11) Z adhesive (not shown) ZCPP film (40 / zm, 12) Z It has a layer structure of adhesive (not shown) / A1 (9 m, 13) / adhesive (not shown) / CPP film (50m, 14).
  • the laminated material 50 for a paper container of Comparative Example 1 was produced using the same material and method as in Example 1 except that the buffer layer 12 was not used.
  • the laminated material 50 for the paper container of Comparative Example 1 is heat-resistant water-treated paper (180 g Zm2, 11) Z. adhesive (not shown) / A1 (9 m, 13) Z adhesive (Not shown) / CPP film (50 m, 14).
  • the laminated material for a paper container of Comparative Example 2 used a low-density polyethylene film having a thickness of 20 m and a melting point of 110 ° C instead of the CPP film having a thickness of 40 m as the buffer layer. Except for the above, it was manufactured using the same materials and method as in Example 1.
  • the laminated material for the paper container of Comparative Example 2 is heat-resistant water-treated paper (180 g / m 2) / adhesive (not shown) / low-density polyethylene film (20 m) Z adhesive (shown ) / A1 (9 m) / Adhesive (not shown) ZCPP film (50 Aim).
  • One kind of such an example and two kinds of comparative examples a total of three kinds of laminated materials for paper containers, are used to form brick-shaped paper containers.
  • the paper container was set in a box-type paper container molding machine to form a brick-shaped paper container of the desired volume.
  • the filling of the paper container is water.
  • the retort processing conditions were 121 and 30 minutes, and a constant pressure retort apparatus was used.
  • the pinhole check is performed by cutting each of the five paper containers in the horizontal direction, and then applying a dye penetration penetrant R — 1 ANT (produced by Eishin Chemical Co., Ltd.), which is a pinhole check solution, to the bottom of the paper container. After leaving it for 7 minutes and leaving it for 10 minutes, it was carried out by visually observing the penetration state of the flaw detector from the back surface of the bottom and measuring the number of pinholes generated.
  • R — 1 ANT produced by Eishin Chemical Co., Ltd.
  • the buffer layer 12 of Examples 2a to 2c is a nylon film having a thickness of 15 m or a CPP film having a thickness of 50.
  • the barrier layer 13 in each of Examples 2a to 2c is a 12 m-thick PET film or a 9 m-thick aluminum foil which is formed by ceramic vapor deposition.
  • the PET film on which the ceramic is deposited is a GL film (manufactured by Toppan Printing Co., Ltd.).
  • the heat-resistant water-treated paper 11 and the sealant layer 14 are the same as in the first embodiment.
  • Comparative Example 2d has a configuration in which the buffer layer 12 is omitted from Example 2a.
  • Comparative Example 2e has a configuration in which LDPE (low-density polyethylene) having a melting point of 11 O is used for the buffer layer instead of the buffer layer 12 of Examples 2b and 2c.
  • the melting point of the LDPE of Comparative Example 2e is lower than the temperature of the retort treatment described later.
  • the paper container 2 was prepared according to the following procedures (i) to (vii). 0 was produced.
  • the sheet of the laminated material 10 for the paper container is punched out to a size required for the paper container 20, and a line is drawn in the bent portion.
  • the bag-shaped laminated material for paper containers 10 is filled with water as an example of a liquid food.
  • Examples 2a to 2c as shown in Table 2, it is possible to provide a paper container laminated material 10 and a liquid paper container 20 that do not generate pinholes and can be retorted. And confirmed.
  • Comparative Examples 2d and 2e had the following problems.
  • Comparative Example 2d when the S-line was inserted in step (i) and when steps (ii) and (v) were formed, the paper was torn at the corners of the bending at each stage of the retorting process in the step. There has occurred.
  • the reason for this is that the structure of Comparative Example 2d, in which the buckling heat-resistant paper 11 and the inflexible PET film (the barrier layer 13) were directly bonded with an adhesive, was used. Where the physical and z or thermal stresses form the corners of the bend
  • the laminated material 50 of Comparative Example 2d was formed on the lower base 60 on which the groove 61 of the pattern corresponding to the bending line was formed, The pattern is arranged between an upper base (not shown) on which a pattern of go-line blades 71 facing the groove 61 is formed.
  • the laminated material 50 is sandwiched between the groove 61 and the wire drawing blade 71 to draw a wire drawing.
  • the Nori layer 13 and the Sealant layer 14 extend as indicated by arrows in the figure.
  • the laminated material 50 is released from the groove 61 and the S-line blade 71 as shown in FIG.
  • the heat-resistant paper 11 maintains the shape of the stretched X-ray by plastic deformation.
  • the barrier layer 13 contracts as indicated by the arrow 13 s due to the slight residual elasticity. For this reason, a large shift occurs at the interface between the two, 11 and 13.
  • the lift f occurs when the heat-resistant paper 11 and the barrier layer 13 are separated due to the displacement X. Tear 1
  • 1b is generated on the heat-resistant paper 11 when the heat-resistant paper 11 and the barrier layer 13 do not peel off due to the displacement X.
  • the tear lib shown in FIG. 9 increases, as shown in FIG. 10, a step occurs in the heat-resistant paper 11.
  • floating ⁇ and tearing lib may occur at the same time, as shown in Fig. 11.
  • the barrier layer 13 contracts as shown by the arrow 13s as shown in FIG. 12 after the grid lines shown in FIGS.
  • Example 2a As shown in FIG. 13, the intermediate buffer layer 12 is deformed in accordance with the contraction of the barrier layer 13, and the elastic force of the barrier layer 13 is reduced. For this reason, in Examples 2a to 2c, it is considered that a large displacement does not occur at the interface between the layers 11 to 13.
  • Comparative Example 2d The above is the description of the stress that occurred in Comparative Example 2d.
  • the barrier layer 13 of Comparative Example 2d is an aluminum box
  • the aluminum foil has good shape retention, and therefore, unlike the stress due to shrinkage described above, it is pulled by the go-line blade 71. Due to the stresses that occur, tearing cracks enter the barrier layer 13.
  • the buffer layer 12 is deformed in accordance with the tension of the wire blade 71, and the tensile force to the barrier layer 13 is relaxed. In addition, it is considered that no large displacement occurs at the interface between the layers 11 to 13.
  • the heat resistance of the buffer layer 12 is satisfied if the sealing strength between the buffer layer 12 and the barrier layer 13 at the temperature of heat sterilization is 1.5 N or more. Supplementally, even if the buffer layer 12 is melted at the temperature of heat sterilization, it is sufficient that the sealing strength is 1.5 N or more due to the melt tension.
  • the seal strength of 1.5 N or more is a value measured by the T-peel method specified in JIS K 6854. If the seal strength is a value equivalent to the value of the T-peeling method described above, the value by another measurement method (eg, ⁇ adhesion> 180 degree peeling method specified in JISK 6854) is used as an index. May be used.
  • the buffer layer 12 satisfies flexibility if its tensile elastic modulus is lower than that of the barrier layer 13. Specifically, tensile modulus of the cushioning layer 1 2 (tensile elastic modulus) 0. 1 ⁇ 2. 1 ( X 9. 8 X 1 0 4 [N / cm 2]) there Bayoi in the range of.
  • Representative resins satisfying these conditions (cl) and (c2) include, for example, as shown in Table 3, medium-density polyethylene, high-density polyethylene, polypropylene, and nylon. [Table 3]
  • the thickness of the barrier layer 13 having poor flexibility is increased to prevent the generation of pinholes.
  • a method was also conceived.
  • the method of increasing the thickness of the barrier layer 13 was not included in the present invention for the following two reasons. The first reason is that a barrier layer made of a metal foil such as A1 has dead holdability (shape retention after molding), and the moldability is not greatly reduced, but the price is high and the economy is high. This is because it is disadvantageous.
  • the second reason is that, in the case of a PET-based evaporated barrier film, if the PET substrate with poor flexibility is made thicker, the laminated material becomes harder, making it difficult to bend even if wire drawing is performed. However, the moldability is very poor. Industrial applicability
  • the laminated material for a paper container and the liquid paper container according to the present invention are useful for forming a paper container that can be retorted without generating pinholes. It is suitable for use in a plied paper container having a bent portion that overlaps the other.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Cartons (AREA)

Abstract

L'invention concerne une matière stratifiée pour contenants en papier, et des contenants en papier pour liquides s'utilisant principalement dans le stockage de produits alimentaires liquides stérilisés. La matière stratifiée (10) pour contenants en papier comprend une couche tampon (12), une couche barrière (13) et une couche d'étanchéité (14), stratifiées successivement sur une face d'un papier (11) imperméable à l'eau chaud. Lors du pliage de la matière stratifiée (10), dans un procédé de formation par moulage d'un contenant (20) en papier pour liquides, la couche tampon permet d'éviter des perforations.
PCT/JP2003/000540 2002-01-22 2003-01-22 Materiau stratifie pour contenants en papier et contenants en papier pour liquides Ceased WO2003061969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003561883A JP4239821B2 (ja) 2002-01-22 2003-01-22 紙容器用積層材料及び液体用紙容器

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JP2002-12396 2002-01-22
JP2002012396 2002-01-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015092931A1 (fr) * 2013-12-20 2015-06-25 日本たばこ産業株式会社 Papier stratifié avec un film polymère
JP2019099266A (ja) * 2017-12-08 2019-06-24 凸版印刷株式会社 ポンプディスペンサ付き液体紙容器
CN114275308A (zh) * 2021-11-23 2022-04-05 安庆大群包装有限公司 一种复合型瓦楞纸箱

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
KR102442819B1 (ko) * 2022-05-09 2022-09-16 (주) 해시즈 재생용지를 이용한 포장지의 제조방법

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770646A (en) * 1980-10-20 1982-05-01 Dainippon Printing Co Ltd Carton material for liquid vessel
EP0341937A2 (fr) * 1988-05-09 1989-11-15 International Paper Company Récipient sans fuites et imperméable à l'oxygène
JPH0713717U (ja) * 1993-08-10 1995-03-07 凸版印刷株式会社 液体用紙容器
JPH11130043A (ja) * 1997-10-30 1999-05-18 Toppan Printing Co Ltd カップ型レトルト紙容器用原紙
JPH11309816A (ja) * 1998-04-30 1999-11-09 Sumitomo Chem Co Ltd 液体包装用積層紙および液体包装用容器
EP0972634A2 (fr) * 1998-07-14 2000-01-19 Sumitomo Bakelite Co., Ltd. Laminé, récipient multicouche et récipient fermé hermétiquement
JP2001171649A (ja) * 1999-12-13 2001-06-26 Dainippon Printing Co Ltd 液体紙容器
JP2001192018A (ja) * 2000-01-11 2001-07-17 Dainippon Printing Co Ltd 液体紙容器
JP2001270059A (ja) * 2000-01-20 2001-10-02 Toppan Printing Co Ltd 耐水性を有する紙製包装材料およびこの紙製包装材料を用いた包装容器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770646A (en) * 1980-10-20 1982-05-01 Dainippon Printing Co Ltd Carton material for liquid vessel
EP0341937A2 (fr) * 1988-05-09 1989-11-15 International Paper Company Récipient sans fuites et imperméable à l'oxygène
JPH0713717U (ja) * 1993-08-10 1995-03-07 凸版印刷株式会社 液体用紙容器
JPH11130043A (ja) * 1997-10-30 1999-05-18 Toppan Printing Co Ltd カップ型レトルト紙容器用原紙
JPH11309816A (ja) * 1998-04-30 1999-11-09 Sumitomo Chem Co Ltd 液体包装用積層紙および液体包装用容器
EP0972634A2 (fr) * 1998-07-14 2000-01-19 Sumitomo Bakelite Co., Ltd. Laminé, récipient multicouche et récipient fermé hermétiquement
JP2001171649A (ja) * 1999-12-13 2001-06-26 Dainippon Printing Co Ltd 液体紙容器
JP2001192018A (ja) * 2000-01-11 2001-07-17 Dainippon Printing Co Ltd 液体紙容器
JP2001270059A (ja) * 2000-01-20 2001-10-02 Toppan Printing Co Ltd 耐水性を有する紙製包装材料およびこの紙製包装材料を用いた包装容器

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WO2015092931A1 (fr) * 2013-12-20 2015-06-25 日本たばこ産業株式会社 Papier stratifié avec un film polymère
JPWO2015092931A1 (ja) * 2013-12-20 2017-03-16 日本たばこ産業株式会社 高分子フィルム貼合紙
JP2019099266A (ja) * 2017-12-08 2019-06-24 凸版印刷株式会社 ポンプディスペンサ付き液体紙容器
JP2022103436A (ja) * 2017-12-08 2022-07-07 凸版印刷株式会社 液体紙容器
JP7338742B2 (ja) 2017-12-08 2023-09-05 凸版印刷株式会社 液体紙容器
CN114275308A (zh) * 2021-11-23 2022-04-05 安庆大群包装有限公司 一种复合型瓦楞纸箱

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