WO2021251124A1 - Corps d'emballage - Google Patents

Corps d'emballage Download PDF

Info

Publication number
WO2021251124A1
WO2021251124A1 PCT/JP2021/019721 JP2021019721W WO2021251124A1 WO 2021251124 A1 WO2021251124 A1 WO 2021251124A1 JP 2021019721 W JP2021019721 W JP 2021019721W WO 2021251124 A1 WO2021251124 A1 WO 2021251124A1
Authority
WO
WIPO (PCT)
Prior art keywords
hot melt
melt adhesive
paper
liquid
package
Prior art date
Application number
PCT/JP2021/019721
Other languages
English (en)
Japanese (ja)
Inventor
満美子 藤井
智 宮丸
Original Assignee
株式会社Moresco
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 株式会社Moresco filed Critical 株式会社Moresco
Priority to JP2022530106A priority Critical patent/JP7402335B2/ja
Publication of WO2021251124A1 publication Critical patent/WO2021251124A1/fr

Links

Classifications

    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds

Definitions

  • the present invention relates to a package, and more particularly to a package in which a paper base material is fixed by a hot melt adhesive.
  • Ethylene vinyl acetate (EVA) -based hot melt adhesives are made of paper substrates and are suitable for high-speed workability and a wide range of adherends in fields such as packaging and bookbinding for foods, beverages, children's toys, etc. It is often used because it has excellent adhesiveness and economy, and can greatly contribute to improving productivity.
  • the EVA hot melt adhesive has a peculiar odor, and there is a concern that the odor may be transferred from the packaging container or the like using the hot melt adhesive to the food. Further, at the manufacturing site, heating the hot melt adhesive generates a large amount of bad odor, resulting in a poor environment, and there is a strong demand for a low odor of the EVA hot melt adhesive.
  • the cause of the odor is vinyl acetate, which is an unreacted monomer contained in the ethylene-vinyl acetate copolymer, which is the main component of the EVA hot melt adhesive, and the acetoxy group is decomposed (desorbed) at high temperatures during manufacturing and coating.
  • Patent Document 1 As a method for reducing the odorous component contained in the hot melt adhesive, for example, when supplying polyolefin to a single-screw or twin-screw extruder, a method of supplying 0.15% by weight or more of water has been used. (Patent Document 1) and a method of adding a specific aldehyde scavenger (Patent Document 2) have been reported.
  • Patent Document 1 the contact time between water and the hot melt adhesive raw material is short, and a sufficient deodorizing effect is not obtained. Further, the method described in Patent Document 2 has an odor peculiar to aminobenzamide used as an aldehyde scavenger, and the deodorizing effect is also limited because the amount of the additive added is limited.
  • ethyl acrylate copolymer which has a structure and physical properties similar to that of ethylene-vinyl acetate copolymer, has been proposed, but it has a peculiar odor different from acetic acid and vinyl acetate monomer, and has a variety of hot melts. There are few varieties to meet the design of adhesives, the degree of freedom is poor, and the price is high.
  • An object of the present invention is to solve the above-mentioned problems. That is, the present invention has a low odor even though a hot melt adhesive showing excellent adhesive performance is used in a package for products such as foods in which the odor of the adhesive (particularly the odor of acetic acid) is a major problem.
  • the purpose is to provide a packaging body that is.
  • the package according to one aspect of the present invention is a package in which a paper base material is fixed by a hot melt adhesive, and the hot melt adhesive kneads a liquid material for hot melt adhesive. After a period of or kneading, a liquid consisting of at least one of water and alcohol is introduced into a heat kneader in an amount of 0.03 part by mass or more with respect to 100 parts by mass of the hot melt adhesive material, and the hot melt is used.
  • It is a hot melt adhesive obtained by a manufacturing method including degassing while heating, stirring or dispersing so that the adhesive material and the liquid are in contact with each other, and the residual acetic acid amount is 17 ppb or less. It is characterized by.
  • the package according to the present invention is a package in which the paper base material is fixed by a hot melt adhesive.
  • the hot melt adhesive used for fixing the paper substrate is at least one of water and alcohol in a heat kneader during or after kneading the liquid hot melt adhesive material.
  • a liquid consisting of the above is introduced in an amount of 0.03 part by mass or more with respect to 100 parts by mass of the hot melt adhesive material, and while heating, stirring or dispersing so that the hot melt adhesive material and the liquid are in contact with each other.
  • the hot melt adhesive is characterized by having a low odor while maintaining excellent performance as an adhesive.
  • the residual acetic acid amount of the package of the present invention is 17 ppb or less, and the odor is suppressed as compared with the package using the hot melt adhesive conventionally used.
  • the hot-melt adhesive that can be used in this embodiment is not limited, but in particular, in this embodiment, since it is possible to suppress the acetic acid odor, the EVA-based adhesive is excellent in workability, adhesiveness, economy, and the like. It is preferable to use a hot melt adhesive.
  • the hot melt adhesive material for such an adhesive the base resin, tackifier, wax, and other additives conventionally used for the hot melt adhesive can be used without particular limitation. According to this embodiment, there is an advantage that a package having a low odor can be provided regardless of which EVA hot melt adhesive material is used.
  • thermoplastic resin used as a component constituting an EVA hot melt adhesive can be used without particular limitation.
  • the EVA-based thermoplastic resin is not particularly limited as long as it is used as an EVA-based thermoplastic resin in a hot melt adhesive, and examples thereof include a copolymer synthesized from ethylene and vinyl acetate. Be done.
  • the EVA-based base resin as described above may be used individually by 1 type, or may be used in combination of 2 or more types.
  • biomass-based hot melt adhesive can be used in addition to the above.
  • the biomass-based hot melt adhesive is an adhesive containing a biomass-derived raw material, and examples thereof include an adhesive containing a plant-derived resin such as pine fat.
  • a synthetic resin-based tackifier generally used for hot melt adhesives, for example, aromatic, aliphatic, alicyclic petroleum resin, or natural resin-based tackifiers.
  • the agent, its hydrogen additive, and the like can be used without particular limitation.
  • natural resins used as raw materials for biomass include natural rosin, modified rosin, hydrocarbon rosin, glycerol ester of natural rosin, glycerol ester of modified rosin, pentaerythritol ester of natural rosin, pentaerythritol ester of modified rosin, and water.
  • the tackifiers as described above may be used individually by 1 type, or may be used in combination of 2 or more types.
  • the wax is not particularly limited as long as it is a wax contained in the hot melt adhesive.
  • the wax include synthetic wax, petroleum wax, natural wax and the like.
  • the synthetic wax include polyolefin waxes such as Fischer-Tropsch wax, polyethylene wax and polypropylene wax.
  • the petroleum wax include paraffin wax, microcrystalline wax, petratum and the like.
  • the natural wax include Montan wax.
  • the natural wax used as a raw material for biomass include wood wax, carbana wax, beeswax, and castor wax. As these waxes, the waxes exemplified above may be used alone, or two or more kinds may be used in combination.
  • antioxidants As additives, antioxidants, heat stabilizers, light stabilizers, ultraviolet absorbers, fillers, surfactants, coupling agents, colorants, antistatic agents, flame retardants, plasticizers, etc. are used. May be good.
  • examples of the antioxidant include a phenol-based antioxidant, an organic sulfur-based antioxidant, and the like.
  • examples of the phenolic antioxidant include 2,6-di-tert-butyl-4-methylphenol, n-octadecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate, and 2 -Tert-Butyl-6- (3-tert-butyl-2-hydroxy-5-methylbenzyl) -4-methylphenylacrylate, tetrakis [methylene-3- (3,5-di-tert-butyl-4-hydroxy) Phenyl) propionate] methane and the like.
  • organic sulfur-based antioxidant examples include dilauryl-3,3'-thiodipropionate, dimyristyl-3,3'-thiodipropionate, disstearyl-3,3'-thiodipropionate, and pentaeryth. Examples thereof include lithyltetrakis (3-laurylthiopropionate). As these antioxidants, the above-exemplified antioxidants may be used alone or in combination of two or more.
  • plasticizer examples include mineral oils, synthetic oils, and vegetable oils.
  • mineral oils include process oils (paraffin-based process oils, naphthen-based process oils, aroma-based process oils, etc.) and liquid paraffins.
  • paraffin-based process oils include n-paraffin (butane, pentane, hexane, heptane, octane, nonan, decane, undecane, dodecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, nonadecan, eikosan, heneicosan, dokosan, etc.
  • the naphthenic process oil refers to a process oil having a high naphthenic ring carbon number.
  • the naphthenic ring compound contained in the naphthenic process oil include cyclic compounds having 3 or more carbon atoms. More specific examples of the naphthenic ring compound include cyclopropane, cyclobutane, cyclopentane, cyclohexane, cycloheptane, and cyclooctane.
  • synthetic oils include ether oil, ester oil, phosphoric acid ester, and chlorinated paraffin.
  • vegetable oils include olive oil, rice germ oil, corn oil, Southernca oil, camellia oil, castor oil, jojoba seed oil, and eucalyptus leaf oil.
  • the hot melt adhesive used in the package of the present embodiment comprises at least one of water and alcohol in a heat kneader during or after kneading the liquid hot melt adhesive material.
  • the liquid is introduced in an amount of 0.03 part by mass or more with respect to 100 parts by mass of the hot melt adhesive material, and is removed while heating, stirring or dispersing so that the hot melt adhesive material and the liquid are in contact with each other.
  • a hot melt adhesive obtained by a manufacturing method that involves taking care.
  • the present inventors have found that, surprisingly, the acetic acid odor of a package can be significantly reduced by using a hot melt adhesive obtained through the above process (manufacturing method).
  • the manufacturing method will be described in more detail below.
  • the method for producing a hot melt adhesive used in the present embodiment includes a step of introducing a liquid into a heat kneader during or after kneading a liquid hot melt adhesive material, and heating, stirring or dispersing. , Including the step of degassing.
  • the step of introducing the liquid into the heat kneader may be performed during the kneading of the hot melt adhesive material after the hot melt adhesive material is put into the heat kneader, or the kneading is completed. You may go later. Preferably, it is done after the kneading of the materials is completed.
  • "kneading is completed" means a state in which the material of the hot melt adhesive (for example, the base resin and the tackifier) shows uniform fluidity.
  • the general manufacturing equipment used for stirring and kneading the hot melt adhesive can be used.
  • a general manufacturing method of a hot melt adhesive there are a continuous processing method and a batch processing method.
  • a heat kneader used as a continuous processing method a ruder, an extruder, a biaxial taper screw or the like can be used.
  • a stirring kneader, a Banbury mixer, a kneader or the like can be used as the heat kneader used as the batch processing method.
  • the liquid to be introduced into the heat kneader is a liquid consisting of at least one of water and alcohol. That is, the liquid of the present embodiment may be water alone, alcohol alone, or an alcohol aqueous solution which is both water and alcohol.
  • the alcohol concentration is not particularly limited, but a dilute alcohol aqueous solution of 10% by mass or more is preferable from the viewpoint that a low odor effect can be obtained when the concentration is high.
  • an aqueous alcohol solution is used as the liquid, it is necessary to wash the material for EVA hot melt adhesive with water after introducing the liquid consisting of the aqueous alcohol solution.
  • the washing method with water is not particularly limited, and the washing can be performed by introducing water into the heat kneader for a time equivalent to the time when the alcohol aqueous solution is brought into contact with the adhesive material.
  • the liquid is introduced into the heat kneader in an amount of 0.03 part by mass or more with respect to 100 parts by mass of the hot melt adhesive material. If the amount introduced is less than 0.03 parts by mass, the low odor effect cannot be obtained.
  • the amount of the liquid introduced is more preferably 0.35 parts by mass or more.
  • the upper limit of the introduction amount is preferably 50 parts by mass or less, more preferably 25 parts by mass or less, with respect to 100 parts by mass of the hot melt adhesive material.
  • the speed at which the liquid is introduced into the heat kneader is not particularly limited, but it is preferable to introduce the liquid at an introduction speed of about 50 ppm / min to 12500 ppm / min for the hot melt adhesive material.
  • the method for introducing the liquid in the present embodiment is not particularly limited, and the liquid may be introduced from above, on the side surface, or below the heat kneader. Specifically, for example, the liquid can be introduced in a state of being sufficiently diffused in the hot melt by introducing the liquid from below and / or from the side surface of the heat kneader.
  • the heating temperature at this time is not particularly limited as long as it is equal to or higher than the melting temperature of the hot melt adhesive material, and can be appropriately set depending on the type of base resin used as the hot melt adhesive material and the like.
  • Heating, stirring and dispersion can be performed by means known in the art.
  • paddles, turbines, propellers, anchors, helical ribbons, max blends, full zones, screws, blades, MR-205, Hi-F mixers, sunmerers and the like can be used. These may be used individually by 1 type, or may be used in combination of 2 or more types.
  • degassing it is preferable to perform degassing at a minute speed exhaust rate of 0.25 times the volume of the heat kneader or more until the gauge pressure becomes a vacuum degree higher than -60 kPa. By degassing under such conditions, the amount of residual acetic acid and residual vinyl acetate can be suppressed more sufficiently.
  • the degassing means of the present embodiment is not particularly limited, but specifically, for example, a vacuum pump adjusted to the minute speed exhaust speed is used, and degassing is performed by reducing the pressure until the vacuum degree is reached. can do.
  • the minute speed exhaust speed is more preferably equal to or larger than the volume of the heat kneader. Although it is not necessary to specify the upper limit of the minute speed exhaust speed, it is preferable that the volume is 17.5 times or less the volume of the heat kneader from the viewpoint of increasing the size of the equipment and controlling the cost.
  • the degassing has a gauge pressure higher than ⁇ 90 kPa. It is not necessary to set an upper limit, but it is desirable that the vacuum degree is lower than the gauge pressure -101 kPa from the viewpoint of equipment damage, equipment size increase, cost increase, and the like.
  • the contact area can be increased by dispersing a normal gas, and the adsorption effect can be further improved. As a result, a low odor and odorless hot melt adhesive can be provided.
  • the manufacturing method of the present embodiment may include a step of cooling and aggregating the exhaust gas exhausted from the heat kneader to recover the liquid containing the volatile organic compound.
  • the recovery rate of the liquid in the recovery step is preferably 60% or more. As a result, it is considered that environmental air pollution can be further suppressed.
  • the hot melt adhesive obtained by the production method of this embodiment has a small amount of residual acetic acid and has a very low odor.
  • Such a hot melt adhesive has a smaller residual odor component than a conventional hot melt adhesive commercially available, which is characterized by a low odor produced by selecting a polymer material containing a small amount of odor component in the material. Is a feature.
  • the paper base material used for the package of the present embodiment the paper base material conventionally used as the package of each product can be used without particular limitation.
  • the paper base material for example, paperboard, kraft paper, coated paper, carton paper, cardboard interleaving paper and the like can be used.
  • the paperboard for example, coated cardboard, white cardboard, Manila cardboard, chip cardboard, yellow paperboard, colored paperboard and the like can be used.
  • the paper substrate as described above, one type may be used alone, or two or more types may be used in combination.
  • the paper base material may be provided with a pattern layer or a printing layer on at least one side.
  • printing such as a product name and description and various designs can be applied to the surface of the package.
  • embossing, gloss, etc. to the surface of the paper base material with resistance such as stain resistance, cellophane tape peeling resistance, chemical resistance, etc., a resin film or the like is used.
  • a protective layer may be further provided.
  • the shape of the package in the present embodiment is also not particularly limited, and can be appropriately selected depending on the product to be packaged, such as a box type, a tubular type, and a polyhedral type.
  • the package of the present embodiment is not particularly limited, but can be obtained by, for example, the following manufacturing method.
  • a printing layer, a protective layer, or the like is provided on the paper base material as described above as needed, and the paper is cut according to a development drawing based on a desired shape of the package to obtain a paper pattern.
  • the paper pattern is folded to form a package having a desired shape, and the above-mentioned hot melt adhesive that has been heated and melted is applied to a portion to be fixed.
  • the coating method is not particularly limited, and a hot melt gun or various applicators can be used. After that, the paper pattern is bonded and cooled (cooled) to cure the hot melt adhesive, and the paper pattern is adhered and fixed to obtain a package.
  • the package of the present embodiment has a very low odor with a residual acetic acid amount of 17 ppb or less. Therefore, the package of the present embodiment can be used as a package of various products / products, but since the odor is greatly reduced, for example, for food, confectionery, toys, medical use, etc. It can be suitably used for various packages for pharmaceuticals and the like.
  • the residual acetic acid amount means a value measured by the method shown in Examples described later. Further, in the package of the present embodiment, a more preferable amount of residual acetic acid is 14 ppb or less.
  • the package according to one aspect of the present invention is a package in which a paper base material is fixed by a hot melt adhesive, and the hot melt adhesive kneads a liquid material for hot melt adhesive. After a period of or kneading, a liquid consisting of at least one of water and alcohol is introduced into a heat kneader in an amount of 0.03 part by mass or more with respect to 100 parts by mass of the hot melt adhesive material, and the hot melt is used.
  • It is a hot melt adhesive obtained by a manufacturing method including degassing while heating, stirring or dispersing so that the adhesive material and the liquid are in contact with each other, and the residual acetic acid amount is 17 ppb or less. It is characterized by.
  • the paper base material is at least one selected from the group consisting of paperboard, kraft paper, coated paper, carton paper, and corrugated cardboard.
  • the paper base material may be provided with a pattern layer or a printing layer on at least one side.
  • the hot melt adhesive is an ethylene vinyl acetate hot melt adhesive. This has the advantage of being excellent in workability, adhesiveness, economy, and the like.
  • -Hot melt adhesive 1 (EVA hot melt 1): "Morescomelt (registered trademark) ME-125", viscosity at softening points 83 ° C and 160 ° C 2100 mPa ⁇ s -Hot melt adhesive 2 (EVA hot melt 2): “Morescomelt (registered trademark) K-1183", viscosity at softening point 100 ° C and 160 ° C, 3900 mPa ⁇ s -Hot melt adhesive 3 (EVA hot melt 3): “Morescomelt (registered trademark) PK-100S", viscosity 1500 mPa ⁇ s at softening point 112 ° C and 160 ° C -Hot melt adhesive 4 (biomass hot melt 1): “Morescomelt (registered trademark) PK-150Y”, viscosity at softening points 103 ° C and 160 ° C 1850 mPa ⁇ s -Hot melt adhesive 5 (bio
  • Comparative Example 1 The portion where two sheets of paper base material (paperboard (coated cardboard)) of Glico's "Visco" confectionery box was laminated (bonded) was used as a package sample of Comparative Example 1.
  • Comparative Example 2 The above sample was prepared by using the paper base material (kraft paper) of Calby's "Potato Chips Crisp” confectionery box as the paper base material and using the hot melt adhesive 1 as it is without any processing. A laminated body was prepared by the same method as the method, and used as a test piece (packaged sample).
  • Comparative Example 3 The above sample was prepared by using the paper base material (kraft paper) of Calby's "Potato Chips Crisp” confectionery box as the paper base material and using the hot melt adhesive 3 as it is without any processing. A laminated body was prepared by the same method as the method, and used as a test piece (packaged sample).
  • ⁇ Residual acetic acid amount 6 ppb or less No odor of acetic acid is felt ⁇ : Residual acetic acid amount 7 to 17 ppb Low odor effect ⁇ : Residual acetic acid amount 18 to 24 ppb There is a slight low odor effect, but a clear odor remains. ⁇ : Residual acetic acid amount 25 ppb or more Clearly odor is felt The grounds for ⁇ above are based on the odor threshold published by the Nioi Kaori Environmental Association. Further, in the table, “ ⁇ 1" indicates that the remaining acetic acid amount was less than 1 ppb, and “>25” indicates that it exceeded 25 ppb (detection limit).
  • Comparative Example 1 in which a commercially available general paper-based confectionery box was used as it was, the amount of residual acetic acid in the package was large and an odor was felt. Further, in Comparative Example 2 in which the hot melt adhesive 1 was used as it was without processing, and in Comparative Example 3 in which the hot melt adhesive 3 was used as it was without processing for adhering a general paper-based confectionery box. , The amount of residual acetic acid in the package was large, and an odor was felt.
  • the present invention has been appropriately and sufficiently described through the embodiments with reference to the specific examples described above, but it is easy for a person skilled in the art to change and / or improve the above-described embodiments. It should be recognized that it can be done. Therefore, unless the modified or improved form implemented by a person skilled in the art is at a level that deviates from the scope of rights of the claims stated in the claims, the modified form or the improved form is the scope of rights of the claims. It is interpreted to be included in.
  • the present invention has a wide range of industrial applicability in the technical field of a package made of a paper medium using a hot melt adhesive.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

Un aspect de la présente invention concerne un corps d'emballage comprenant au moins un substrat en papier et une colle thermofusible, le corps d'emballage étant caractérisé en ce que la colle thermofusible est obtenue par un procédé de production qui comprend le malaxage d'un matériau liquide pour colle thermofusible, l'introduction d'un liquide comprenant de l'eau et/ou de l'alcool dans une quantité de 0,03 partie en masse ou plus pour 100 parties en masse du matériau pour une colle thermofusible dans une machine de chauffage/malaxage pendant ledit malaxage ou après celui-ci, et le dégazage pendant le chauffage et l'agitation ou la dispersion de sorte que le matériau pour colle thermofusible et le liquide entrent en contact.
PCT/JP2021/019721 2020-06-11 2021-05-25 Corps d'emballage WO2021251124A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022530106A JP7402335B2 (ja) 2020-06-11 2021-05-25 包装体の製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-101366 2020-06-11
JP2020101366 2020-06-11

Publications (1)

Publication Number Publication Date
WO2021251124A1 true WO2021251124A1 (fr) 2021-12-16

Family

ID=78846029

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/019721 WO2021251124A1 (fr) 2020-06-11 2021-05-25 Corps d'emballage

Country Status (2)

Country Link
JP (1) JP7402335B2 (fr)
WO (1) WO2021251124A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006272835A (ja) * 2005-03-30 2006-10-12 Riken Technos Corp ポリエステル系積層体、その製造方法及び積層体用熱接着剤
JP2009024144A (ja) * 2007-07-24 2009-02-05 Tosoh Corp エチレン−酢酸ビニル共重合体組成物
WO2017057500A1 (fr) * 2015-09-29 2017-04-06 日本ゼオン株式会社 Résine d'hydrocarbure modifié et son procédé de fabrication, et composition adhésive sensible à la pression durcissable de type thermofusible
WO2019069610A1 (fr) * 2017-10-03 2019-04-11 株式会社Moresco Composition adhésive
WO2019172434A1 (fr) * 2018-03-08 2019-09-12 出光興産株式会社 Résine de pétrole, résine de pétrole hydrogénée et procédé de production de résine de pétrole hydrogénée
US20200248047A1 (en) * 2019-01-31 2020-08-06 Eastman Chemical Company Processes for making low volatile tackifier compositions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006272835A (ja) * 2005-03-30 2006-10-12 Riken Technos Corp ポリエステル系積層体、その製造方法及び積層体用熱接着剤
JP2009024144A (ja) * 2007-07-24 2009-02-05 Tosoh Corp エチレン−酢酸ビニル共重合体組成物
WO2017057500A1 (fr) * 2015-09-29 2017-04-06 日本ゼオン株式会社 Résine d'hydrocarbure modifié et son procédé de fabrication, et composition adhésive sensible à la pression durcissable de type thermofusible
WO2019069610A1 (fr) * 2017-10-03 2019-04-11 株式会社Moresco Composition adhésive
WO2019172434A1 (fr) * 2018-03-08 2019-09-12 出光興産株式会社 Résine de pétrole, résine de pétrole hydrogénée et procédé de production de résine de pétrole hydrogénée
US20200248047A1 (en) * 2019-01-31 2020-08-06 Eastman Chemical Company Processes for making low volatile tackifier compositions

Also Published As

Publication number Publication date
JP7402335B2 (ja) 2023-12-20
JPWO2021251124A1 (fr) 2021-12-16

Similar Documents

Publication Publication Date Title
JP5566695B2 (ja) ホットメルト接着剤
JP5469195B2 (ja) ホットメルト接着剤
JP6445817B2 (ja) アルカリ分散型ホットメルト粘着剤
JP5671846B2 (ja) アルカリ分散型ホットメルト粘着剤組成物、それを用いた容器、及び製造方法
KR101269309B1 (ko) 도포 온도가 낮은 고온 용융 접착제 조성물
US20150307754A1 (en) Adhesives that include highly-plasticized cellulose esters and methods and articles relating thereto
KR101926882B1 (ko) 재밀봉가능한 포장용 다층 필름
JP6438222B2 (ja) ホットメルト接着剤
EP2245102A1 (fr) Composition adhesive thermofusible biodegradable
JP4787918B2 (ja) ホットメルト接着剤
JP2005538220A (ja) ホットメルト接着剤及びその使用
JP2021095448A (ja) アルカリ分散型ホットメルト粘着剤
JP6598967B2 (ja) アルカリ分散型ホットメルト粘着剤
WO2018184198A1 (fr) Adhésif thermofusible ultra-amovible et étiquette le contenant
WO2021251124A1 (fr) Corps d'emballage
JP7389784B2 (ja) ホットメルト接着剤の製造方法
JP7414505B2 (ja) アルカリ分散型ホットメルト粘着剤
JP6948488B2 (ja) エチレン酢酸ビニル系ホットメルト接着剤の製造方法及びホットメルト接着剤
JP2017160377A (ja) ホットメルト粘着剤、およびホットメルト粘着剤付きシート
KR101315785B1 (ko) 전분계 핫멜트 접착제
WO2012147951A1 (fr) Adhésif thermofusible, film adhésif, article revêtu et procédé de fabrication d'article revêtu
JP7361216B2 (ja) 衛生用品の製造方法
JP6775073B2 (ja) アルカリ分散型ホットメルト粘着剤
JP7473764B1 (ja) アルカリ分散型ホットメルト粘着剤組成物、該粘着剤組成物を用いてラベルが接着された容器
EP4293090A1 (fr) Composition adhésive sensible à la pression thermofusible

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21821222

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022530106

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21821222

Country of ref document: EP

Kind code of ref document: A1