WO2004048081A1 - ガスバリア積層フィルム - Google Patents
ガスバリア積層フィルム Download PDFInfo
- Publication number
- WO2004048081A1 WO2004048081A1 PCT/JP2003/014935 JP0314935W WO2004048081A1 WO 2004048081 A1 WO2004048081 A1 WO 2004048081A1 JP 0314935 W JP0314935 W JP 0314935W WO 2004048081 A1 WO2004048081 A1 WO 2004048081A1
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- WIPO (PCT)
- Prior art keywords
- gas barrier
- gas
- layer
- film
- laminated
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
- C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
Definitions
- the present invention relates to a plastic film laminate for packaging used in the field of packaging of non-food products such as foods, pharmaceuticals, electronic components, etc.
- Non-eating P such as PP and electronic components
- Packaging materials used for packaging such as PP suppress the deterioration of the contents and maintain their functions and properties.
- Oxygen permeating the packaging materials ⁇ 7 km 5 3 ⁇ 4 ⁇
- Other gases that change the contents It is necessary to prevent the effects, and it is required to have gas-nobility to shut off these gases (gas).
- the conventional gas layer is a resin film such as polyvinyl alcohol, ethylene vinyl polymer, polyvinylidene chloride, or polyacrylonitrile.
- resin film such as polyvinyl alcohol, ethylene vinyl polymer, polyvinylidene chloride, or polyacrylonitrile.
- plastic finolems coated with these resins, metal foils made of metals such as azolememi, and metal-deposited finolems have been mainly used.
- Japanese Patent No. 25555694 Japanese Patent No. 25555694
- Japanese Patent Application Publication No. 0-204,1992 discloses a composition comprising an alkoxysilane such as Si (O-CH3) 4, a silane coupling agent such as epoxysilane, and polyvinyl alcohol on a resin base material.
- an alkoxysilane such as Si (O-CH3) 4
- a silane coupling agent such as epoxysilane
- polyvinyl alcohol on a resin base material.
- Solge • A laminated finolem obtained by 9S condensation according to the toluene method is disclosed.
- this coating layer is made of hydrogen, it swells and dissolves in water, and thus has a poor gas-noise property under severe conditions such as boiling and phenolic treatment. Easily degraded
- Metal foils / metal-deposited films / rems have a gas-free property, but the contents cannot be checked through the packaging material.
- a metal detector can be used for inspection. There was a problem such as not being able to handle the waste and treating it as incombustibles at the time of disposal.
- a gas barrier resin film and a finolem tinted with a gas no resin have a large temperature-humidity dependency and cannot maintain a sufficient gas liability.
- vinylidene chloride-po-vac ⁇ -nitrile, etc. which is used as a gaseous resin, has the potential to become a raw material of harmful substances at the time of disposal and incineration.
- a vapor-deposited layer made of an organic compound is used as the first layer, and (1) a water-soluble polymer and (2) ) One or more metal alkoxides or metal alkoxide hydrolysates or II) An aqueous solution containing tin chloride or a mixed solution of water and alcohol.
- a gas-novel packaging material in which a gas-noise coating layer is sequentially laminated as a second layer.
- This gas barrier wrapping material exhibits high gas barrier properties and has a certain degree of heat resistance as well as water resistance and moisture resistance, but the second layer of the gas nori wrapping material is a metal alkoxide. ⁇ ⁇ Hydrogen of hydrolyzate and water-soluble polymer having hydroxyl group When used as a packaging material that requires processing such as boil and retort sterilization because of the bonding, there was a problem that the coating layer swelled and the gas barrier properties deteriorated. Such packaging materials cannot be used for packaging materials that require extremely high gas barrier properties, such as primary packaging bags for infusions, even with some deterioration.
- the present invention is intended to solve the above-mentioned problems of the prior art.
- the present invention is excellent in transparency, allows the contents to be seen through, and is applicable to a metal detector. According to Takafox, it has a gas barrier property under high humidity, and can be used as packaging materials for rolls and retorts.It does not use substances that break the environment and is ideal as a packaging material. The purpose is to provide a film with an excellent gas barrier function.
- the gas barrier laminated film of the present invention comprises: a resin base;
- BX is a gas-noise deposited layer containing mainly inorganic compounds.
- R 1 and R 3 are CH 3 , C 2 H 5, or C 2 H 4 OCH 3 ,
- R 2 is an organic functional group
- a gas barrier coating layer obtained by applying, heating, and drying a coating solution containing a water-soluble polymer having a hydroxyl group.
- FIG. 1 is a cross-sectional view showing an example of the gas-fired laminated finolem of the present invention.
- FIG. 2 is a cross-sectional view showing another example of the gas-fired laminated finolem of the present invention.
- FIG. 3 is a cross-sectional view illustrating an example of a packaging material using the gas barrier laminated finolem of the present invention.
- FIG. 4 is a cross-sectional view showing another example of a packaging material using the gas barrier laminated finolem of the present invention.
- the gas jet laminated finolem of the present invention is characterized in that a resin substrate having two main surfaces has at least ⁇ n on one main surface.
- It has a laminate of a gas barrier vapor-deposited layer containing an organic compound and a gas-noise coating layer.
- R 1 and R 3 are CH 3 , C 2 H 5, or C 2H 4 OCH 3 , and R 2 is an organic functional group
- the gas barrier coating layer is sufficiently insolubilized by including these three components.
- R 2 of the general formula (2) Since S i (OR 3 ) 3 forms a hydrogen bond with S i (OR 1) 4 of the general formula (1) and a water-soluble polymer by hydrolysis, it is difficult to form barrier pores.
- the organic functional group forms a network, preventing the water-soluble polymer from swelling due to the addition of water to its hydrogen bond, and significantly improving water resistance. Improve.
- the pores of the Noria are dense nets in the film.
- the part that facilitates gas permeation The part that facilitates gas permeation.
- high gas barrier properties can be obtained by providing the above-mentioned gas barrier coating on the base material in combination with the above-mentioned gas-nor deposited layer. Furthermore, there is no adhesion coating layer, so-called primer layer, or special treatment layer between the material and the organic compound vapor deposition layer, and even after boil sterilization treatment and retort sterilization treatment, oxygen It is possible to provide an inexpensive and highly practical film that shows no deterioration in transmittance, radiant strength, etc., and has almost no force S when the deposited layer is peeled off from the substrate. ⁇
- FIG. 1 is a cross-sectional view showing an example of the gas barrier laminated film of the present invention.
- a gas barrier laminate finolem is formed by depositing, for example, anorenium oxide or the like on a resin base 1, a transparent gas barrier vapor-deposited layer 2, and the above i) 1 i), and iii). It has a configuration in which the gas barrier coating layer 3 obtained by drying is laminated.
- a gas bar vapor deposition layer 2 and a gas High gas barrier properties are exhibited by stacking sequentially.
- FIG. 2 is a cross-sectional view showing another example of the laminated gas-fired finolem of the present invention.
- the gas layer laminated finolem is made of a resin such as acryl polyol, an isocyanate, and a silane coupling agent between the resin substrate 1 and the gas layer deposited layer 2. Except that the primer layer 4 containing
- a heat seal layer is further provided on the surface of the gasoline coating layer 3 to make it practical as a packaging material.
- a laminated finolem with good and excellent suitability can be obtained.
- any of R 1 can be used as long as it can be represented by CH 3 , C 2 H 5 ′ C 2 H 40 CH 3, etc.
- tetraethoxysilane is preferable because it is relatively stable in an aqueous solvent after hydrolysis.
- the metal alkoxide is condensed after hydrolysis to form a ceramic film.
- metal oxides are hard and easily cracked due to strain due to volume reduction during condensation, and it is very difficult to form a thin, transparent and uniform condensate film on finolem. Is difficult. Therefore, by adding a polymer, the structure is given flexibility to prevent cracks and form a film.
- the coating film By dispersing the coating film and exhibiting a high gas barrier property close to that of ceramics, by laminating this coating on a vapor deposition layer made of a chemical compound, the effect obtained by each single layer can be improved. It has very high gas barrier properties, water resistance and moisture resistance.However, the gas barrier coating layer composed of a mixture of metal anoreoxide or a hydrolyzate thereof and a water-soluble polymer having a hydroxyl group is composed of hydrogen bonds. Therefore, it swells and dissolves in water. Even if there is a synergistic effect due to the laminated structure with the vapor deposited layer, the gas y property tends to be deteriorated under severe conditions such as a void-in-let-in process.
- the organic functional group (R 2 ) is a non-aqueous functional group such as bi: nil, epoxy, metatarix, peridode, and isocyanate. . Since the non-aqueous functional group has a hydrophobic functional group, the water resistance is further improved.
- a trimer is preferable, and more preferably, a general formula (NCO—R 4 S i (OR 3) 3 (where R 4 is (CH 2) n , where n is 1 or more, and is 1,3,5-tris (3-trianoreoxyxylylalkyl) isocyanurate, which is 3-isocyanate. It is a condensate of natural alkyl xylan.
- ⁇ 3-isocyanate alkyl alcohol ethoxy silane has high reactivity and liquid While the stability is low, the nucleated part is not water-soluble due to its polarity, but can be easily dispersed in aqueous liquids, maintain a stable liquid viscosity, and has a water resistance of 3 ⁇ Isocyanate It is equivalent to anorequinoleanolecoxysilane, and the nucleate part is not only water-resistant, but also depends on its polarity to form Si (OR 1) 4 and hydroxyl group. Water-soluble high molecules with ⁇ Have to.
- 3-Disodium propylalkoxysilane may be contained, but there is no particular problem. More preferably, 1, 3,
- Tris trime-tri-silyl profile
- This methoxy group has a high hydrolysis rate, and a compound containing a propyl group can be obtained relatively inexpensively. Therefore, the compound represented by the above formula (3) is practically advantageous. is there
- organic functional group R 2 in the general formula (2) a., 3—glycidoxy pinole group or a 2— (3,4 epoxy group) group can be preferably used.
- these organic functional groups form hydrogen bonds with Si (OR 1) 4 of the general formula (1) and the water-soluble polymer by hydrolysis, they hardly form pores in the barrier. The water resistance can be improved without deteriorating the gas resistance.
- the mouth of the individual is considered to be a component of ii) used in the present invention because it is highly reactive and has a short hot life.
- the substrate used in the present invention is made of a resin material and is preferably transparent.
- a resin material include polyethylene phthalate (PET), polyethylene phthalate, and the like.
- PEN polyolefin
- polyolefin films such as polyethylene and polypropylene
- polyolefin films such as polystyrene, and polystyrene films
- 66-Nylon This resin material includes engineering plastic films such as polyamide film, pov film, polyacrylate film, polyimide, and finolem.
- the resin material may be stretched or unstretched, and preferably has mechanical strength and dimensional stability. This resin material is used as a substrate by adding it to a film.
- finolems arbitrarily stretched in the biaxial direction are preferably used.
- the thickness of the base material is not particularly limited, but is considered to be 3 to 2 in consideration of the jii properties as a packaging material and the workability. 0 ⁇ m is preferred, and more preferably 6 to 30 ⁇ m.A variety of well-known additives and stabilizers such as an antistatic agent, a plasticizer, a lubricant, Antioxidants can be applied as needed
- the surface of the base material can be subjected to pre-treatment such as Rona treatment, plasma treatment, and ozone treatment. History ⁇ ⁇ Chemical treatment and solvent treatment can be applied to the surface of the base material.
- plasma treatment is preferable because the adhesion between the substrate surface and the deposited layer made of the inorganic compound to be subsequently laminated is strengthened.
- Compounds used in the vapor deposition layer include, for example, oxides such as silicon, aluminum, titanium, titanium, zinc oxide, tin, and magnesium, nitrides thereof, and fluorides thereof. These oxide layers include oxides, nitrides, and fluorides. These deposition layers are formed by vacuum deposition such as a true evaporation method, a snow mask, a talling method, and a plasma etching method. It can be formed by mouth.
- aluminum oxide and aluminum are colorless and transparent, and have excellent water resistance due to boil and lettuce sterilization treatment. They can be used in a wide range of applications. It can be used properly.
- a vapor-deposited aluminum oxide layer is formed by using aluminum as an evaporating material to form a film in the presence of a mixed gas of oxygen, oxyacid gas, and an inert gas. Sex spa, It can be formed by reactive ion plating. At this time, if the aluminum is reacted with oxygen, the stoichiometry is
- a 1 is 0 3
- ESA X-ray photoelectron spectroscopy
- the gas barrier laminated film of the present invention suitable for the sterilization of bottles and retorts comprises a vapor deposition layer and a gas barrier coating layer described below.
- the thickness of the deposited layer is slightly different depending on the purpose and the thickness of the gas barrier coating layer, but is preferably in the range of several hundred thousand to 500 A. Below 50 A, there is a problem with the continuity of the thin film.
- the inorganic compound When the primer is placed between the base material and the vapor deposition layer, the inorganic compound can be uniformly formed and the gas barrier property can be improved. You. In addition, it is preferable to provide a single layer of primer since the adhesion is stably obtained without being influenced by the composition and the abundance ratio of the deposited layer.
- the primer layer is, for example, a polymer selected from acrylic polyol, polyvinyl acetic acid, polystilpolyol, polyurethanpolyol, and the like.
- Inorganic silica such as compounds, polyethyleneimine or derivatives thereof, polyolefin-based emulsions, melamines, phenols, and organically modified polyesters And those based on organic silane compounds such as silane coupling agents and hydrolysates thereof.
- a combination of acrylpolyol, an isocyanate compound, and a silane coupling agent is preferred.
- the use of a single primer layer with a combined force of between the base material and the adhesion layer enables stable and high adhesion to be obtained.
- the thickness of the primer layer is generally the thickness after drying, and is 0.
- tint it is desirable to tint to be in the range of 0.05 to 5 m, more preferably 0.011 ⁇ m. If it is less than 0.01 ⁇ m, it is difficult to obtain a uniform coating film from the viewpoint of coating technology, and if it exceeds 1 ⁇ m, it tends to be uneconomical.
- the gas barrier coating layer has high water resistance and high gas resistance that is not degraded by severe treatment such as boil and lettuce treatment. Can be If it is less than 1% by weight, the water resistance tends to be low, and if it exceeds 50% by weight, the gas barrier properties tend to decrease because the functional groups form pores in the gas-noller coating layer. is there. In order to further improve the water resistance and high gas barrier properties required for boil and retort sterilization, it is more preferable that the solid content is 5 to 30% of the total solid content. weight. / 0 .
- the water-soluble polymer having a hydroxyl group in the gas barrier coating layer is preferably a polyvinyl alcohol, a starch, or a cellulose, particularly a polyvinyl alcohol (hereinafter, referred to as PVA).
- PVA polyvinyl alcohol
- the PVA referred to here is generally obtained by saponifying a polyacetate butyl.Accordingly, several tens% of acetic acid groups remain. Only a few% of acetic acid groups remain from so-called partially saponified PVA.
- the molecular weight of VA varies from 300 to several thousand degrees of polymerization, but any molecular weight can be used without any problem in the effect. However, in general, high molecular weight PVA having a high degree of saponification and a high degree of polymerization is preferable because of its high water resistance.
- the method for hydrolyzing Si (OR 1 ) 4 is preferably carried out using an acid or an alkali catalyst and alcohol or water, or the acid-induced hydrolysis is preferably easy to control. At this time, there is no problem even if a catalyst generally known to further control the hydrolysis, such as tin chloride or acetyl acetate, is added.
- a catalyst generally known to further control the hydrolysis such as tin chloride or acetyl acetate
- R 3 ) 3 When R 3 ) 3 is mixed and present in the form of oil droplets without being dispersed in the coating solution, it is preferable to carry out hydrolysis and finely disperse as described above.
- S i (OR 1 ) 4 and R 2 S i (oR 3) 3 are separately hydrolyzed and then added to a water-soluble polymer, the fine dispersion of S i 0 2 and S i (OR 1 ) It is desirable to consider the hydrolysis efficiency of 4.
- the coating solution for forming the gas V coating layer is made of an isocyanate compound and a colloidal dal silicide in consideration of adhesion to the ink adhesive, wettability, and prevention of cracking due to shrinkage.
- Clay minerals such as gaskite and known additives such as stabilizers, coloring agents and viscosity modifiers can be added as long as gas barrier properties and water resistance are not impaired. You. There is no particular limitation on the J particle size of the gas barrier layer after drying, but if the thickness exceeds 50 ⁇ or more, cracks may easily occur. 0 150 ⁇ m is desirable
- a conventional tinting method can be used as a method for forming the gas layer 3.
- a tipping method, ⁇ -lco-gravure, V-n It is possible to use the screen printing method, such as the screen printing method, the screen printing method, the spray printing method, etc. It is applied on the adhesion layer using a coating method.
- the drying method of the gas bar coating layer can be any method that applies heat to the gas bar coating layer, such as hot-air drying, hot-air drying, high-frequency irradiation, external light irradiation, or UV irradiation, to blow off water molecules. Any of
- the gas barrier coating layer side of the present invention is provided with a more practical packaging material by providing a heat sealing layer with a P layer.
- the heat seal layer is used for an adhesive portion when forming a bag-like package or the like, and is, for example, polyvinyl chloride, polyethylene glycol, polyethylene, etc. Vinyl acetate copolymer, ethylene-methacrylate y-colate A mouth, ethylene-methacrylate y distenole polymer diethylene acrylate ⁇
- the thickness of the resin used such as a polymer, an ethylene-ester acrylate copolymer and a metal cross-linked product thereof, is determined according to the purpose, but is generally 15 to 200 ⁇ m range Also, depending on the shape of the package, the heat seal layer
- the method for forming the heat seal layer is as follows.
- Non-solvent decals which are laminated using a two-component curable adhesive based on glue, and laminated using a solventless adhesive.
- the laminating method the above-mentioned resin is heated and melted, extruded into a pressurized tenn, and the shells are occupied by an extruder, a net method, etc., all of which can be formed by a known laminating method.
- a relaxation layer such as, for example, a stretched nylon, a stretched polyester, or a stretched polypropylene port pyrene. I will. By providing such a layer, it is possible to further impart pinhole resistance, impact resistance, and heat resistance.
- a printing layer can be laminated on the gas-bar coating layer, or a plurality of resins can be laminated via an adhesive.
- a printing layer, a heat seal layer, and a plurality of resins via an adhesive can be laminated.
- gas barrier laminate of the present invention will be further described with reference to specific examples.
- Example 1 to 5, 8 and Comparative Example A1: O 1: 1.8
- Example 6 A1: O 1: 1.0
- Example 7 A1: O 1: 2.2
- the above aluminum oxide The coating liquid solutions (A) to (E) prepared by the following method were mixed in the following ratio to the nickel vapor deposition layer to obtain a coating liquid. This was applied to the upper surface of the vapor-deposited layer obtained by a bar coater, and dried at 120 ° C for 1 minute using a drier to form a gas barrier coating layer having a thickness of about 0.3 m. Thus, a gas barrier laminated film having a configuration similar to that of FIG. 1 was obtained.
- a 15- ⁇ m-thick stretched lining (Unitika) was attached to the gas-barrier coating layer side of the long-awaited gas barrier fin calendar by a laminating machine.
- the obtained packaging film was coated on a substrate 1 with an aluminum oxide-coated ⁇ 2, a gas barrier coating ⁇ 3, and a stretched nylon through an adhesive layer (not shown). It has a configuration in which a layer 5 and a heat seal layer 6 are sequentially laminated via an adhesive layer (not shown).
- a bouch with four sides of the film as a seal is created, and as an endogenous product Filled with water.
- a retort sterilization treatment was performed for 12 1 ° C for 30 minutes, and the oxygen permeability after the retort treatment BU was measured using an oxygen permeability measuring device (modern control ⁇ XTRA ⁇ -2/20) was measured in an atmosphere at 30 ° C and 70% relative humidity.
- the laminated packaging film was cut to a width of 15 mm and 90 Peeling was carried out using a tension mouth (tension tester manufactured by Olentitec) to determine the peeling strength before and after the retort sterilization treatment.
- the peeling speed was 300 mm / m1n, 2 mm. c, performed in an atmosphere with a relative humidity of 65%. Further, the patch seal after the retort sterilization treatment was bent at 180 degrees to form a sealant layer and a vapor deposition layer.
- silicon oxide was used as the evaporation source, and the film was heated and vapor-deposited by an electron beam heating method, and a force that did not introduce oxygen gas. Except for adjusting the composition to 6 and forming an oxide cake vapor deposition ⁇ with a film thickness of 40 OA, and setting the mixing ratio A / BZC of the gas barrier coating layer coating solution to 70/20/10. Formed a packaging film in the same manner as in Example 1.
- the obtained packaging film was subjected to measurement of oxygen permeability and peel strength before and after the sterilization treatment, and a 180-degree bending test. The results obtained are shown in Table 1 below.
- Compounding ratio solid content weight ratio, permeability: oxygen permeability cm 3 / m 2 ⁇ day ⁇ atm, lamin strength: laminate strength N / 15mm width
- Example 1 On the upper surface of the obtained sign layer, apply the same gas nore coating solution as in Example 1 by the gravure coating method to a dry film thickness of 0 • 3 ⁇ m and dry it.
- Example of forming a coating layer
- the coating solution of the gas barrier coating layer prepared in the same manner as in Comparative Example 1 was applied by a gravure coating method so as to have a dry film thickness of 0.3 ⁇ m, and then dried to obtain a gas coating layer.
- Example 10 On the surface of the gas nozzle coating layer of each of the gas barrier laminated films obtained in Example 10 and Comparative Example 2, a stretched nylon layer and a sealant layer were formed in the same manner as in Example 1. Then, a packaging film having the same configuration as in FIG. 3 was created.
- Example 10 prepared in this way. ⁇ Packaging of Comparative Example 2 The peel strength of the film was measured. The laminated film thus cut was cut at a width of 15 mm, and peeled at 90 degrees in the same manner as in Example 1. Further, the peel strength was measured in the same manner while a small amount of tap water was dropped on the peel interface between the vapor deposition layer 2 and the ceiling layer. The results are shown in Table 2.
- (G) was coated with a gravure coater to a film thickness of 0.1 / Xm to provide a primer layer.
- An aluminum oxide film was formed on the primer layer in the same manner as in Example 1.
- a mud layer was formed.
- the above-mentioned solutions (A) to (E) are combined with the following composition to prepare a coating solution obtained by mixing, and the coating solution is coated on the aluminum oxide vapor-deposited layer. Apply by one stirrer and dry in a dryer. And dried for 1 minute to form a gas-noller coating layer having a thickness of about 0.3 ⁇ m.
- a gas-barrier laminated film having the same configuration as in FIG. 2 was obtained.
- Example 2 Using the obtained gas barrier laminated film, a packaging film was prepared in the same manner as in Example 1.
- Figure 4 shows the obtained packaging finolem.
- this packaging finolem is composed of a material layer 1, a primer layer 4, an aluminum oxide layer, an adhesion layer 2, and a gas layer coating layer.
- the seeds are shown in Table 3 below.
- Table 3 shows the results of a peel test of the packaging film having the same configuration as that of Example 8 performed before and after the retort treatment of the mouth J at an oxygen permeability of 90 °.
- Table 3 shows that the gas barrier laminated film obtained in Comparative Example 3 is more comparable to the gas barrier laminated film obtained in Examples 81 to 15 than the gas barrier laminated film. In the roto treatment, the gas barrier coating layer could be melted with a single film.
- the gas-noline coating layer of the gas-no-layer laminated film of No. 5 did not melt because the water resistance of the film was improved and the comparative example 3 did not melt after the re-treatment.
- the oxygen barrier property before the retort treatment was higher than that of the oxygen barrier of the present invention.
- it showed good oxygen barrier properties and maintained good oxygen barrier properties even after retort treatment, and hardly deteriorated.
- the strength of the laminate is not impaired, the power will increase.
- a gas-free film having a high level and a gas-barrier property the gas-barrier property is not degraded even after the treatment with polyphenol-retret, and the adhesion is good. -It is possible to create and use
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Abstract
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Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003284639A AU2003284639B2 (en) | 2002-11-22 | 2003-11-21 | Gas barrier multilayer film |
JP2004555015A JP4200972B2 (ja) | 2002-11-22 | 2003-11-21 | ガスバリア積層フィルム |
DE60333115T DE60333115D1 (de) | 2002-11-22 | 2003-11-21 | Mehrlagiger gassperrfilm |
MXPA05004962A MXPA05004962A (es) | 2002-11-22 | 2003-11-21 | Pelicula laminada de barrera de gas. |
BRPI0316474A BRPI0316474B1 (pt) | 2002-11-22 | 2003-11-21 | filme laminado de barreira ao gás |
EP03774153A EP1563989B1 (en) | 2002-11-22 | 2003-11-21 | Gas barrier multilayer film |
CA2507030A CA2507030C (en) | 2002-11-22 | 2003-11-21 | Gas barrier laminate film |
AT03774153T ATE471809T1 (de) | 2002-11-22 | 2003-11-21 | Mehrlagiger gassperrfilm |
US11/132,299 US7560168B2 (en) | 2002-11-22 | 2005-05-19 | Gas barrier laminate film |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002-339115 | 2002-11-22 | ||
JP2002339115 | 2002-11-22 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/132,299 Continuation US7560168B2 (en) | 2002-11-22 | 2005-05-19 | Gas barrier laminate film |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004048081A1 true WO2004048081A1 (ja) | 2004-06-10 |
Family
ID=32375766
Family Applications (1)
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---|---|---|---|
PCT/JP2003/014935 WO2004048081A1 (ja) | 2002-11-22 | 2003-11-21 | ガスバリア積層フィルム |
Country Status (12)
Country | Link |
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EP (1) | EP1563989B1 (ja) |
JP (1) | JP4200972B2 (ja) |
KR (1) | KR101013370B1 (ja) |
CN (1) | CN100488765C (ja) |
AT (1) | ATE471809T1 (ja) |
AU (1) | AU2003284639B2 (ja) |
BR (1) | BRPI0316474B1 (ja) |
CA (1) | CA2507030C (ja) |
DE (1) | DE60333115D1 (ja) |
MX (1) | MXPA05004962A (ja) |
WO (1) | WO2004048081A1 (ja) |
ZA (1) | ZA200504099B (ja) |
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JP2007237712A (ja) * | 2006-03-13 | 2007-09-20 | Toppan Printing Co Ltd | ポリアミド系フィルム積層体 |
US20080050597A1 (en) * | 2006-08-28 | 2008-02-28 | Honeywell International Inc. | PCTFE film with extrusion coating of EVA or EVA with UV absorbers |
JP2008055861A (ja) * | 2006-09-04 | 2008-03-13 | Toppan Printing Co Ltd | ガスバリアフィルム積層体 |
JP2008149707A (ja) * | 2006-11-24 | 2008-07-03 | Toppan Printing Co Ltd | ガスバリア性フィルム、包装材料、及び包装体 |
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JP2013202949A (ja) * | 2012-03-28 | 2013-10-07 | Toppan Printing Co Ltd | ガスバリア性積層体 |
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- 2003-11-21 JP JP2004555015A patent/JP4200972B2/ja not_active Expired - Lifetime
- 2003-11-21 WO PCT/JP2003/014935 patent/WO2004048081A1/ja active Application Filing
- 2003-11-21 KR KR1020057008939A patent/KR101013370B1/ko active IP Right Grant
- 2003-11-21 AU AU2003284639A patent/AU2003284639B2/en not_active Expired
- 2003-11-21 CA CA2507030A patent/CA2507030C/en not_active Expired - Lifetime
- 2003-11-21 AT AT03774153T patent/ATE471809T1/de active
- 2003-11-21 DE DE60333115T patent/DE60333115D1/de not_active Expired - Lifetime
- 2003-11-21 MX MXPA05004962A patent/MXPA05004962A/es active IP Right Grant
- 2003-11-21 EP EP03774153A patent/EP1563989B1/en not_active Expired - Lifetime
- 2003-11-21 BR BRPI0316474A patent/BRPI0316474B1/pt active IP Right Grant
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Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006021450A (ja) * | 2004-07-08 | 2006-01-26 | Kureha Corp | 帯電防止性を有するガスバリア性フィルムおよびそれからなる袋 |
JP2007237712A (ja) * | 2006-03-13 | 2007-09-20 | Toppan Printing Co Ltd | ポリアミド系フィルム積層体 |
US20080050597A1 (en) * | 2006-08-28 | 2008-02-28 | Honeywell International Inc. | PCTFE film with extrusion coating of EVA or EVA with UV absorbers |
US8980430B2 (en) * | 2006-08-28 | 2015-03-17 | Frank J. Colombo | PCTFE film with extrusion coating of EVA or EVA with UV absorbers |
JP2008055861A (ja) * | 2006-09-04 | 2008-03-13 | Toppan Printing Co Ltd | ガスバリアフィルム積層体 |
JP2008149707A (ja) * | 2006-11-24 | 2008-07-03 | Toppan Printing Co Ltd | ガスバリア性フィルム、包装材料、及び包装体 |
JP2013142161A (ja) * | 2012-01-10 | 2013-07-22 | Toray Advanced Film Co Ltd | 蒸着フィルムの製造方法および積層包装材料 |
JP2013202949A (ja) * | 2012-03-28 | 2013-10-07 | Toppan Printing Co Ltd | ガスバリア性積層体 |
WO2013146070A1 (ja) * | 2012-03-29 | 2013-10-03 | 富士フイルム株式会社 | ガスバリアフィルム |
JP2013202973A (ja) * | 2012-03-29 | 2013-10-07 | Fujifilm Corp | ガスバリアフィルム |
JP2014076609A (ja) * | 2012-10-11 | 2014-05-01 | Toppan Printing Co Ltd | ガスバリア積層フィルム |
JP2015208885A (ja) * | 2014-04-24 | 2015-11-24 | 凸版印刷株式会社 | ガスバリア性積層体 |
JP2016000464A (ja) * | 2014-06-11 | 2016-01-07 | 凸版印刷株式会社 | ガスバリア積層フィルム |
US10336044B2 (en) | 2015-03-27 | 2019-07-02 | Toppan Printing Co., Ltd. | Laminated film and packaging bag |
JP2017177357A (ja) * | 2016-03-28 | 2017-10-05 | 凸版印刷株式会社 | ガスバリア積層体 |
JP2017185703A (ja) * | 2016-04-06 | 2017-10-12 | 凸版印刷株式会社 | ガスバリア性積層体 |
JP2017209802A (ja) * | 2016-05-23 | 2017-11-30 | 凸版印刷株式会社 | ガスバリア性積層体およびその製造方法 |
JP2018188568A (ja) * | 2017-05-09 | 2018-11-29 | 凸版印刷株式会社 | ガスバリア転写フィルム |
WO2019235509A1 (ja) | 2018-06-07 | 2019-12-12 | 大日本印刷株式会社 | バリアフィルムおよび包装材料 |
JP2021024136A (ja) * | 2019-07-31 | 2021-02-22 | 大日本印刷株式会社 | 多層基材、該多層基材を備える多層フィルム、該多層フィルムを備える積層体および該積層体を備える包装材料 |
JP7331537B2 (ja) | 2019-07-31 | 2023-08-23 | 大日本印刷株式会社 | 多層基材、該多層基材を備える多層フィルム、該多層フィルムを備える積層体および該積層体を備える包装材料 |
WO2021049439A1 (ja) | 2019-09-11 | 2021-03-18 | 大日本印刷株式会社 | バリアフィルム及び包装材料 |
WO2023195474A1 (ja) * | 2022-04-08 | 2023-10-12 | 凸版印刷株式会社 | ガスバリア性積層体、包装フィルム、包装容器及び包装製品 |
WO2024101161A1 (ja) * | 2022-11-08 | 2024-05-16 | Toppanホールディングス株式会社 | ガスバリアフィルム、包装フィルム、包装袋、及び包装製品 |
Also Published As
Publication number | Publication date |
---|---|
EP1563989B1 (en) | 2010-06-23 |
BRPI0316474B1 (pt) | 2016-01-26 |
EP1563989A1 (en) | 2005-08-17 |
CN1713983A (zh) | 2005-12-28 |
ZA200504099B (en) | 2006-04-26 |
CN100488765C (zh) | 2009-05-20 |
CA2507030A1 (en) | 2004-06-10 |
AU2003284639B2 (en) | 2008-07-03 |
DE60333115D1 (de) | 2010-08-05 |
KR20050086723A (ko) | 2005-08-30 |
JPWO2004048081A1 (ja) | 2006-04-13 |
CA2507030C (en) | 2011-12-20 |
JP4200972B2 (ja) | 2008-12-24 |
AU2003284639A1 (en) | 2004-06-18 |
MXPA05004962A (es) | 2005-08-03 |
ATE471809T1 (de) | 2010-07-15 |
KR101013370B1 (ko) | 2011-02-14 |
BR0316474A (pt) | 2005-10-11 |
EP1563989A4 (en) | 2007-05-09 |
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