WO2013114934A1 - 成形用包装材及びその製造方法 - Google Patents
成形用包装材及びその製造方法 Download PDFInfo
- Publication number
- WO2013114934A1 WO2013114934A1 PCT/JP2013/050466 JP2013050466W WO2013114934A1 WO 2013114934 A1 WO2013114934 A1 WO 2013114934A1 JP 2013050466 W JP2013050466 W JP 2013050466W WO 2013114934 A1 WO2013114934 A1 WO 2013114934A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- adhesive
- packaging material
- metal foil
- molding
- Prior art date
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Images
Classifications
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- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
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- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
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- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31692—Next to addition polymer from unsaturated monomers
Definitions
- the present invention is suitable, for example, as a packaging material suitably used as a case for a secondary battery such as a notebook computer, a cellular phone, an in-vehicle use, a stationary lithium ion secondary battery, or a packaging material for foods and pharmaceuticals. It relates to packaging materials.
- a polyolefin resin having a carboxyl group may be referred to as “a carboxyl group-containing polyolefin resin”
- a polypropylene resin having a carboxyl group may be referred to as “a carboxyl group-containing polypropylene resin”.
- the “melting point” of the resin is a method defined in JIS K7121 (established in 1987) “Method for measuring the transition temperature of plastics”, and the heating rate is 10 ° C./DSC (differential scanning calorimeter). It means the peak temperature (melting point) measured in minutes.
- the “MFR (melt flow rate)” of the resin is measured under the measurement conditions of 130 ° C. and 2.16 kg load (21.18 N) in accordance with JIS K7210 (1999 revised edition). Value.
- lithium ion polymer secondary batteries are often used.
- this lithium ion polymer secondary battery when the electrolytic solution in the battery reacts with water to generate hydrofluoric acid, the performance of the battery deteriorates, or liquid leakage occurs due to corrosion of the aluminum foil.
- a material used for a case (accommodating case) of a lithium ion polymer secondary battery a laminate packaging material having a high sealing property using a metal foil having an excellent water vapor barrier property has been used.
- Case materials (packaging materials) for lithium ion polymer secondary batteries include an outer layer made of a heat-resistant resin film, an intermediate layer made of aluminum foil as a water vapor barrier layer, and a polyolefin film for sealing the polymer electrolyte of the contents
- a laminated packaging material in which inner layers are sequentially laminated and integrated is used.
- the above laminate packaging material is formed into a three-dimensional rectangular parallelepiped shape by overhang molding or deep drawing to produce a battery case.
- an embossed type exterior body composed of at least a base material layer, an adhesive layer, a chemical conversion treatment layer, aluminum, a chemical conversion treatment layer, an acid-modified PP film layer, an extruded resin layer, and an innermost layer as a method for producing the laminate packaging material
- the laminated body is subjected to a chemical conversion treatment on both surfaces of aluminum, and a base material layer is adhered to one surface by a dry lamination method, and then acid-modified PP is applied and baked on the other chemical conversion treatment surface, and then the acid A method in which a modified PP surface and an innermost layer (cast PP) are laminated by an extrusion resin by a sandwich lamination method (see Patent Document 1), at least a base material layer, an adhesive layer, a chemical conversion treatment layer, aluminum, a chemical conversion treatment layer, an acid-modified PP It is a laminate that forms an embossed type exterior body composed of a coating layer, an extruded resin layer, and an innermost layer, which is subjected to
- an embossed type exterior body composed of at least a base material layer, an adhesive layer, a chemical conversion treatment layer, aluminum, a chemical conversion treatment layer, an acid-modified PP coating layer, and an innermost layer
- the acid-modified PP is applied and baked on the other surface, and then the innermost layer is applied to the acid-modified PP surface by the thermal lamination method.
- Laminate that forms an embossed type exterior body composed of at least a base material layer, an adhesive layer, a chemical conversion treatment layer, aluminum, a chemical conversion treatment layer, an acid-modified PP film layer, and an innermost layer (see Patent Document 2) Then, after chemical conversion treatment is performed on one surface of aluminum, the chemical conversion treatment and the base material are laminated by a dry lamination method, and then chemical conversion treatment is performed on another surface, and the acid-modified PP is applied and baked. After the method (see Patent Document 2) laminating a cast polypropylene by heat lamination method the acid-modified PP surface is also known.
- an organosol having an acid-modified polyolefin as a solid content on a surface of the chromium chemical conversion treatment film of a metal foil comprising a metal foil main body and a chromium chemical conversion treatment film formed by chromate treatment on at least one surface of the metal foil main body.
- the organosol is dried to form an adhesive film, and then an acid-modified polyolefin film of the same type as the acid-modified polyolefin in the organosol is pressure-bonded to the adhesive film, and the metal foil and the acid-modified film are then bonded.
- a manufacturing method see Patent Document 3 in which a polyolefin film is attached and the acid-modified polyolefin film is used as a heat sealing layer is also known.
- the present invention has been made in view of such a technical background, and can prevent a decrease in interlayer laminate strength due to the influence of an electrolytic solution, as well as heat generation and expansion / contraction of packaging material due to repeated charge / discharge.
- Providing molding packaging materials with excellent interlayer laminate strength that can prevent the interlayer laminate strength from being affected by the effects of the above, and producing molding packaging materials with excellent interlayer lamination strength It aims at providing the manufacturing method which can manufacture with sufficient property.
- the present invention provides the following means.
- a molding packaging material comprising a heat-resistant resin layer as an outer layer, a polypropylene layer as an inner layer, and a metal foil layer disposed between both layers, Chemical conversion treatment is performed on at least the inner surface of the metal foil layer, and the polypropylene layer is laminated on the inner chemical conversion surface of the metal foil layer via an adhesive layer,
- the adhesive layer has a carboxylate which is dissolved in at least an organic solvent and the organic solvent on the inner surface of the metal foil layer, and has an MFR measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min.
- a molding packaging material which is formed by applying an adhesive containing a polyolefin resin having a group and a polyfunctional isocyanate compound.
- the polypropylene layer as the inner layer contains at least propylene and ethylene as copolymerization components, and has an MFR measured at 135 ° C. to 155 ° C. and 230 ° C. of 6 g / 10 min to 25 g / 10 min. 5.
- the molding packaging material according to any one of items 1 to 4, which is made of a copolymer resin.
- [8] Adhering a heat-resistant resin film to one surface of the metal foil with a second adhesive; On the other surface of the metal foil, at least an organic solvent, a polyolefin resin having a carboxyl group, which is dissolved in the organic solvent and has an MFR measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min, and polyfunctional Applying a first adhesive containing an isocyanate compound to form a first adhesive layer; Laminating a polypropylene layer as an inner layer on the non-laminated surface of the first adhesive layer, A method for producing a packaging material for molding, wherein a metal foil having a chemical conversion treatment applied to at least a surface to which the first adhesive is applied is used as the metal foil.
- a polypropylene layer is laminated via an adhesive layer on the chemical conversion treatment surface inside the metal foil layer, and the adhesive layer has at least an organic solvent on the chemical conversion treatment surface inside the metal foil layer, Applying an adhesive containing a polyfunctional isocyanate compound and a polyolefin resin having a carboxyl group, which is dissolved in the organic solvent and has an MFR measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min. Therefore, the laminate strength between the layers can be sufficiently secured. Furthermore, since the adhesive layer has an excellent affinity for both the metal foil layer and the polypropylene layer (inner layer), the interlayer laminate strength between the metal foil layer and the polypropylene layer (inner layer) can be further increased.
- the interlayer laminate strength can be prevented from decreasing due to the influence of the electrolyte, and the interlayer laminate can be affected by the heat generated by repeated charge / discharge and the expansion and contraction of the packaging material.
- the strength can also be prevented from decreasing, and sufficient sealing performance can be secured.
- the chemical conversion treatment is performed on at least one surface of the metal foil layer, corrosion of the metal foil surface by the contents (battery electrolyte, food, medicine, etc.) can be sufficiently prevented.
- the adhesive further contains a polyolefin resin having a carboxyl group having a melting point of 120 ° C. to 170 ° C. in a state dispersed in the organic solvent. Liquidity and sealing performance can be further improved.
- the adhesive layer is formed by applying an adhesive and then baking it, so that there is an advantage that it can be wound up and processed in the next process.
- the polypropylene layer (inner layer) has a melting point of at least 135 ° C. to 155 ° C. and 230 ° C. containing at least propylene and ethylene as copolymerization components, and an MFR of 6 g / 10 min to 25 g / Since it is formed of a copolymer resin for 10 minutes, sufficient heat resistance can be secured, and appropriate fluidity can be realized at the time of sealing, and excellent sealing performance can be secured.
- a food packaging material having a large interlayer laminate strength or a pharmaceutical packaging material having a large interlayer laminate strength is provided.
- a first adhesive comprising a polyolefin resin having a carboxyl group and an MFR measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min and a polyfunctional isocyanate compound is applied.
- the metal foil whose surface is subjected to chemical conversion treatment is used, a molding packaging material that can sufficiently secure the laminate strength between layers can be manufactured. Furthermore, since the first adhesive layer has excellent affinity for both the metal foil layer and the polypropylene layer (inner layer), the interlayer laminate strength between the metal foil layer and the polypropylene layer (inner layer) Can be further improved.
- the obtained packaging material is molded into, for example, a battery case, it is possible to prevent the laminate strength from being lowered due to the influence of the electrolyte, and to generate heat or expand / contract the packaging material due to repeated charge / discharge. It is possible to prevent the laminate strength from being lowered due to the influence of the above, and to ensure a sufficient sealing performance.
- the corrosion of the metal foil surface due to the contents is sufficiently prevented.
- a moldable packaging material can be produced.
- the first adhesive further contains a polyolefin resin having a carboxyl group having a melting point of 120 ° C. to 170 ° C. in a state dispersed in the organic solvent. Electrolytic solution resistance and sealing performance can be further improved.
- the polypropylene (inner layer) contains at least propylene and ethylene as copolymerization components, and the MFR measured at melting points of 135 ° C. to 155 ° C. and 230 ° C. is 6 g / 10 min to 25 g / 10 min. Since the copolymer resin is used, it is possible to produce a molding packaging material that has sufficient heat resistance and can achieve appropriate fluidity at the time of sealing to ensure excellent sealing performance.
- FIG. 1 shows an embodiment of a molding packaging material 1 according to the present invention.
- the molding packaging material 1 is formed into, for example, a substantially rectangular parallelepiped shape with an upper surface opened and used as a case of a lithium ion polymer secondary battery.
- the molding packaging material 1 includes a heat-resistant resin layer (outer layer) 2 laminated and integrated on one surface of a metal foil layer 4 via a second adhesive layer 11 and the other side of the metal foil layer 4.
- a polypropylene layer (inner layer) 3 is laminated and integrated on the surface with a first adhesive layer 5 interposed therebetween.
- the at least inner surface (surface on the polypropylene layer 3 side) 4a of the metal foil layer 4 is subjected to chemical conversion treatment, and the first adhesive layer 5 is laminated on the chemical conversion treatment surface 4a of the metal foil layer 4 inside. .
- the first adhesive layer 5 has at least (A) an organic solvent on the chemical conversion treatment surface 4a inside the metal foil layer 4, and (B) a polyolefin resin having a carboxyl group, which is dissolved in the organic solvent and has an MFR (melt flow rate) measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min; (C) a polyfunctional isocyanate compound; It is formed by applying a first adhesive comprising
- the first adhesive layer 5 is formed by applying the first adhesive to the chemical conversion treatment surface 4a on the inner side of the metal foil layer 4 and then baking it.
- the polypropylene layer (inner layer) 3 is formed by laminating polypropylene on the inner surface 5a of the first adhesive layer 5 formed by baking by an extrusion laminating method. .
- the polypropylene layer 3 is laminated on the chemical conversion treatment surface 4a inside the metal foil layer 4 via the first adhesive layer 5, and the first adhesive layer 5 is formed of the metal foil layer.
- Polyolefin resin having a carboxyl group having at least an organic solvent, an MFR measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min, and a polyfunctional isocyanate on the inner chemical conversion treatment surface 4a
- the first adhesive has an affinity for both the metal foil layer 4 and the polypropylene layer (inner layer) 3.
- the interlaminar laminate strength between the metal foil layer 4 and the polypropylene layer (inner layer) 3 can be sufficiently improved. Therefore, when this packaging material 1 is formed into, for example, a battery case, it is possible to prevent the interlaminar laminate strength from being lowered due to the influence of the electrolytic solution, and it is possible to prevent heat generation due to repeated charge / discharge and expansion / contraction of the packaging material. It is also possible to prevent a decrease in interlayer laminate strength due to the influence, and a sufficient sealing performance can be ensured.
- the stretched heat resistant resin film (heat resistant resin layer) 2 is bonded to one surface of the metal foil 4 with the second adhesive 11 (adhesion process).
- bonding is performed by a dry laminating method.
- the metal foil 4 a metal foil having a chemical conversion treatment applied to at least an inner surface (a surface on which a first adhesive used in the next step is applied) 4a is used. At this time, you may use the metal foil 4 by which the chemical conversion process was performed on both surfaces.
- the metal foil 4 On the other surface (inner surface) 4a of the metal foil 4, at least (A) an organic solvent, (B) a polyolefin resin having a carboxyl group, which is dissolved in the organic solvent and has an MFR (melt flow rate) measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min; (C) a polyfunctional isocyanate compound;
- the first adhesive layer 5 is formed by applying and drying the first adhesive layer.
- baking is performed by heating to form the first adhesive layer 5 (baking process step). In this way, the laminated body 30 is obtained (refer FIG. 2).
- the method of applying the first adhesive (treatment liquid) is not particularly limited, and examples thereof include a gravure roll method.
- the heating temperature during the baking process is preferably set to 80 ° C. to 250 ° C. Adequate adhesion of the first adhesive layer 5 to the metal foil 4 can be sufficiently secured when the temperature is 80 ° C. or higher, and deterioration of the first adhesive layer 5 can be suppressed when the temperature is 250 ° C. or lower.
- the polypropylene layer 3 is laminated on the non-laminated surface 5a of the first adhesive layer 5 of the laminate 30 by an extrusion laminating method (extrusion laminating step).
- extrusion laminating step As shown in FIG. 2, the laminate 30 and the extruded polypropylene 3X are sandwiched between a rubber roll 21 and a cooling roll 22 (see FIG. 2), and the present invention as shown in FIG.
- the molding packaging material 1 is obtained.
- the material of the surface of the cooling roll 22 is not particularly limited, and for example, a general material such as stainless steel can be used.
- the heat-resistant resin layer (outer layer) 2 is not particularly limited, and examples thereof include a nylon film and a polyester film, and these stretched films are preferably used.
- a biaxially stretched nylon film a biaxially stretched polybutylene terephthalate (PBT) film, a biaxially stretched polyethylene terephthalate (PET) film or a biaxially stretched polyethylene naphthalate (PEN) film is used.
- PBT biaxially stretched polybutylene terephthalate
- PET biaxially stretched polyethylene terephthalate
- PEN biaxially stretched polyethylene naphthalate
- the nylon film is not particularly limited, and examples thereof include 6 nylon film, 6,6 nylon film, MXD nylon film, and the like.
- the said heat resistant resin layer 2 may be formed by the single layer, or may be formed by the multilayer which consists of PET film / nylon film, for example.
- the thickness of the heat resistant resin layer 2 is preferably 12 ⁇ m to 50 ⁇ m.
- the thickness is preferably 12 ⁇ m to 50 ⁇ m, and when using a nylon film, the thickness is preferably 15 ⁇ m to 50 ⁇ m. It is possible to secure sufficient strength as a packaging material by setting it to the above preferred lower limit value or more and to improve the formability by reducing the stress at the time of stretch molding or drawing by setting the preferred lower limit value or less. Can do.
- the metal foil layer 4 plays a role of imparting a gas barrier property to the molding packaging material 1 to prevent oxygen and moisture from entering.
- said metal foil layer 4 For example, aluminum foil, copper foil, etc. are mentioned, Aluminum foil is generally used.
- the thickness of the metal foil layer 4 is preferably 20 ⁇ m to 100 ⁇ m. When it is 20 ⁇ m or more, it can prevent the occurrence of pinholes during rolling when manufacturing a metal foil, and when it is 100 ⁇ m or less, it can reduce the stress at the time of stretch forming or draw forming and improve the formability. it can.
- the metal foil layer 4 is subjected to chemical conversion treatment on at least the inner surface 4a (the surface on the first adhesive layer 5 side).
- chemical conversion treatment corrosion of the surface of the metal foil due to the contents (battery electrolyte, food, medicine, etc.) can be sufficiently prevented.
- the metal foil is subjected to chemical conversion treatment by the following treatment.
- Aqueous solution comprising a mixture of phosphoric acid, chromic acid and fluoride metal salt
- Aqueous solution comprising a mixture of phosphoric acid, chromic acid, fluoride metal salt and non-metal salt 3
- Acrylic resin and / or phenolic resin is performed by applying an aqueous solution composed of a mixture of phosphoric acid, chromic acid, and a fluoride metal salt, followed by drying.
- the first adhesive layer 5 has at least (A) an organic solvent on the chemical conversion treatment surface 4a inside the metal foil layer 4, and (B) a polyolefin resin having a carboxyl group, which is dissolved in the organic solvent and has an MFR (melt flow rate) measured at 130 ° C. of 5 g / 10 min to 42 g / 10 min; (C) a polyfunctional isocyanate compound; It is the membrane
- the first adhesive (treatment liquid) is further (D) A structure containing a polyolefin resin having a carboxyl group and having a melting point of 120 ° C. to 170 ° C. dispersed in the organic solvent is preferable.
- the organic solvent (component A) constituting the first adhesive (treatment liquid) is preferably an organic solvent that can be volatilized and removed easily by heating the adhesive composition.
- organic solvents include aromatic organic solvents such as toluene and xylene, aliphatic organic solvents such as n-hexane, alicyclic organic solvents such as cyclohexane and methylcyclohexane, and ketone organic solvents such as methyl ethyl ketone.
- alcohol-based organic solvents such as ethanol and isopropyl alcohol. These organic solvents may use only 1 type and may use 2 or more types together.
- the organic solvent (component A) preferably includes at least an alcohol-based organic solvent (ethanol, isopropyl alcohol, etc.).
- the storage stability of the adhesive can be improved.
- the content ratio of the alcohol-based organic solvent with respect to the total amount of the organic solvent is preferably set to 0.1% by mass to 20% by mass, and particularly preferably set to 0.3% by mass to 10% by mass. preferable.
- polyolefin resin having a carboxyl group examples include polyolefins modified with unsaturated carboxylic acids and / or derivatives thereof. Examples of the modification include graft addition modification.
- the unsaturated carboxylic acid and the derivative of the unsaturated carboxylic acid are not particularly limited.
- ethylenically unsaturated carboxylic acids may be used alone or in combination of two or more.
- the method for producing the polyolefin resin having a carboxyl group is not particularly limited.
- polypropylene is dissolved in an organic solvent, and the carboxylic acid is dissolved in the presence of a radical generator.
- a radical generator examples thereof include a solution method of reacting with (such as maleic anhydride), a melting method of heating and melting polypropylene and reacting it with a carboxylic acid (such as maleic anhydride) in the presence of a radical generator.
- the MFR is increased, and the average molecular weight (weight average molecular weight, etc.) of the polyolefin resin having a carboxyl group is increased. Then, MFR becomes small.
- the interlayer laminate strength is reduced and the electrolytic solution resistance is poor, and the MFR measured at 130 ° C. is 42 g / 10 minutes. If it exceeds 1, the interlaminar laminate strength will decrease and the electrolyte solution resistance will be poor.
- the content of the carboxyl group in the component B is preferably 0.10 mmol to 2.0 mmol, particularly preferably 0.15 mmol to 1.0 mmol per 1 g of the polyolefin resin from the viewpoint of improving adhesiveness. If the content of the carboxyl group is within the preferred range, a greater laminate strength can be obtained.
- the melting point of the component B is preferably 50 ° C. to 90 ° C., more preferably 60 ° C. to 85 ° C. If the melting point is within the preferred range, a high laminate strength can be obtained even at high temperatures.
- the melting point of the component D is 120 ° C to 170 ° C, preferably 130 ° C to 160 ° C.
- the interlayer laminate strength can be improved at a high temperature of about 80 ° C.
- the melting point exceeds 170 ° C., defective lamination may occur, and it is necessary to increase the bonding temperature during bonding, which may reduce workability.
- the carboxyl group content in the component D is preferably 0.01 mmol to 2.0 mmol, particularly preferably 0.1 mmol to 1.0 mmol per gram of the polyolefin resin from the viewpoint of improving adhesiveness. If the content of the carboxyl group is within the preferred range, a greater laminate strength can be obtained.
- the polyfunctional isocyanate compound is not particularly limited as long as it has two or more isocyanate groups in one molecule, and various aromatic, aliphatic, and alicyclic isocyanate compounds, Modified products of these isocyanate compounds can be used. Specific examples include diisocyanate compounds such as toluene diisocyanate (TDI), diphenylmethane diisocyanate, hexamethylene diisocyanate (HDI), isophorone diisocyanate, and adducts of these compounds with polyhydric alcohols such as isocyanurate modification, burette modification, and trimethylolpropane.
- TDI toluene diisocyanate
- HDI hexamethylene diisocyanate
- isophorone diisocyanate and adducts of these compounds with polyhydric alcohols such as isocyanurate modification, burette modification, and trimethylolpropane.
- Modified modified products blocked isocyanates which are stabilized by masking isocyanate with a blocking agent, and the like can be mentioned. Among them, it is preferable to use a compound having 3 or more isocyanate groups in one molecule.
- the polyfunctional isocyanate compound may be used alone or in combination of two or more.
- the polyfunctional isocyanate compound is usually dissolved in an organic solvent.
- the content ratio of the carboxyl group-containing polyolefin resin (B component, D component) and the polyfunctional isocyanate compound in the first adhesive (treatment liquid) is not particularly limited, but the isocyanate group (NCO) of the polyfunctional isocyanate compound is not particularly limited.
- the hydroxyl group (OH) constituting the carboxyl group of the polyolefin resin (B component, D component) is preferably 0.01 to 12.0. If the equivalent ratio (NCO / OH) is 0.01 to 12.0, it can be a first adhesive composition having particularly excellent initial adhesiveness, and has a sufficient crosslinking density, and A cured product (first adhesive layer) excellent in flexibility and the like can be formed.
- the equivalent ratio (NCO / OH) is more preferably 0.04 to 12.0, still more preferably 0.1 to 12.0, and particularly preferably 0.1 to 9.0.
- the content ratio of the B component and the D component in the first adhesive (treatment liquid) is preferably 1% by mass when the total of both is 100% by mass.
- 70 mass%, D component is 99 mass% to 30 mass%, more preferably B component is 3 mass% to 50 mass%, D component is 97 mass% to 50 mass%, particularly preferably B component Is 5% by mass to 40% by mass, and the D component is 95% by mass to 60% by mass. If it is in the said preferable range, big lamination strength can be obtained under normal temperature (25 degreeC) and high temperature.
- the amount of the first adhesive layer (film) 5 formed by the baking process is preferably set to 0.5 g / m 2 to 5.0 g / m 2 in terms of solid content.
- it is 0.5 g / m 2 or more, sufficient adhesive strength can be obtained, and when it is 5.0 g / m 2 or less, the drying time can be shortened and processing efficiency can be improved. It is possible to prevent the solvent from remaining in the water vapor and to improve the water vapor barrier property.
- the resin constituting the polypropylene layer (inner layer) (sealant layer) 3 is not particularly limited.
- the copolymer resins 1) to 3) may be blended with an olefin-based thermoplastic elastomer.
- the resin constituting the polypropylene layer (inner layer) 3 it is preferable to use a copolymer resin containing at least propylene and ethylene as copolymerization components and having a melting point of 135 ° C. to 155 ° C.
- the copolymer resin having a melting point of 135 ° C. to 155 ° C. is a resin having a peak temperature (melting point) of 135 ° C. to 155 ° C. measured at a heating rate of 10 ° C./min by DSC (differential scanning calorimeter). means.
- the melting point is 135 ° C. or more, sufficient heat resistance can be secured, and when the melting point is 155 ° C. or less, excellent sealing properties can be secured.
- a copolymer resin containing at least propylene and ethylene as copolymerization components and an MFR measured at 230 ° C. of 6 g / 10 min to 25 g / 10 min is used. Is preferred.
- MFR 6 g / 10 min or more
- extrusion lamination can be easily performed
- MFR 25 g / 10 min or less
- the fluidity of the resin at the time of sealing becomes appropriate and the sealing performance is further improved. Can be secured.
- the thickness of the polypropylene layer 3 is preferably 10 ⁇ m to 80 ⁇ m. When it is 10 ⁇ m or more, sufficient seal strength can be obtained, and when it is 80 ⁇ m or less, it is sufficiently prevented that the water vapor barrier from the end face is damaged.
- the polypropylene layer 3 may be composed of a single layer, or may be composed of a plurality of layers by performing co-extrusion of polypropylene or extrusion lamination of polypropylene twice. In the latter case, for example, if a polypropylene layer with high fluidity is arranged outside the polypropylene layer with low fluidity (innermost layer side), it is sufficient that the seal thickness becomes extremely thin due to abnormal flow of the polypropylene layer during sealing. Can be prevented.
- the adhesive constituting the second adhesive layer 11 is not particularly limited, and examples thereof include a two-component curable urethane adhesive containing a polyol component and an isocyanate component.
- This two-component curing type urethane-based adhesive is suitably used particularly when bonded by a dry laminating method.
- said polyol component For example, polyester polyol, polyether polyol, etc. are mentioned.
- the isocyanate component is not particularly limited, and examples thereof include diisocyanates such as TDI (tolylene diisocyanate), HDI (hexamethylene diisocyanate), and MDI (methylene bis (4,1-phenylene) diisocyanate).
- the thickness of the second adhesive layer 11 is preferably set to 2 ⁇ m to 5 ⁇ m, and particularly preferably 3 ⁇ m to 4 ⁇ m.
- an inorganic or organic antiblocking agent or an amide slip agent may be added to the inner layer as long as the effects of the present invention are not impaired.
- the molding packaging material 1 By forming the molding packaging material 1 according to the present invention into various shapes such as a rectangular parallelepiped shape having a deep molding height (overhang molding, deep drawing molding, etc.), a battery case, a food packaging material, and a pharmaceutical packaging Materials etc. can be obtained. Since the battery case, the food packaging material, and the pharmaceutical packaging material obtained by performing such molding are prevented from entering the contents between the metal foil layer 4 and the first adhesive layer 5, for example, When used as a battery case, it is possible to prevent the laminate strength from being lowered due to the influence of the electrolyte, and the laminate strength is lowered due to the effects of heat generation due to repeated charge and discharge and the expansion and contraction of the packaging material. Can be prevented, and sufficient sealing performance can be maintained.
- the reaction was carried out by kneading using a screw extruder. Thereafter, vacuum degassing was performed in the extruder to remove the remaining unreacted substances, and a carboxyl group-containing polypropylene resin J (component B) was synthesized.
- This carboxyl group-containing polypropylene resin J had an MFR measured at 130 ° C. of 12 g / 10 min, and the carboxyl group content was 0.4 mmol per 1 g of the carboxyl group-containing polypropylene resin (resin J).
- the modified polymer-containing solution was cooled to room temperature, and acetone was added to the solution to precipitate the modified polymer.
- the precipitated modified polymer was repeatedly washed with acetone and then dried to recover the modified polymer.
- the graft amount of maleic anhydride in the modified polymer was 2.8% by mass
- the melting point was 156 ° C.
- the carboxyl group content was 0.6 mmol per 1 g of the modified polymer.
- Example 1 850 g of toluene (organic solvent; component A), 150 g of carboxyl group-containing polypropylene resin J (component B) having an MFR measured at 130 ° C. of 12 g / 10 minutes, and 15 g of HDI (polyfunctional isocyanate compound; component C)
- a first adhesive E treatment liquid was prepared.
- the solid content of the first adhesive E is 15% by mass.
- the component B (carboxyl group-containing polypropylene resin) is dissolved in toluene as a solvent.
- a chemical conversion treatment solution composed of polyacrylic acid, a trivalent chromium compound, water and alcohol is applied to both surfaces of an aluminum foil 4 having a thickness of 40 ⁇ m, and dried at 180 ° C., so that the chromium adhesion amount becomes 10 mg / m 2.
- a 25 ⁇ m thick biaxially stretched polyamide film (biaxially stretched nylon film) (heat-resistant resin layer) 2 is dried on one surface of the aluminum foil 4 with a two-component curable urethane adhesive 11.
- baking is performed by passing through a hot air drying oven at 200 ° C.
- Example 2 In place of the first adhesive E, 170 g of toluene (organic solvent; component A), 30 g of carboxyl group-containing polypropylene resin J (component B) having an MFR measured at 130 ° C. of 12 g / 10 minutes, HDI (polyfunctional isocyanate) Compound: Component C) 15 g, first adhesive F (treatment liquid) comprising 800 g of milky white dispersion P obtained in Synthesis Example 6 (toluene 680 g and carboxyl group-containing polypropylene resin M120 g) was used and extruded propylene A molding packaging material 1 shown in FIG. 1 was obtained in the same manner as in Example 1 except that the thickness of the ethylene copolymer resin 3X was set to 80 ⁇ m.
- first adhesive F treatment liquid
- Example 2 the solid content of the first adhesive F is 15% by mass.
- the B component is dissolved in toluene as a solvent, but the D component (carboxyl group-containing polypropylene resin M) is not dissolved in toluene but is dispersed in toluene.
- Example 3 As the extruded resin 3X, instead of propylene-ethylene copolymer resin (melting point measured by DSC 140 ° C., MFR measured at 230 ° C. is 21 g / 10 min), propylene-ethylene copolymer resin (measured by DSC)
- the molding packaging material 1 shown in FIG. 1 was obtained in the same manner as in Example 1 except that the melting point was 155 ° C. and the MFR measured at 230 ° C. was 22 g / 10 min.
- Example 4 As the extruded resin 3X, instead of propylene-ethylene copolymer resin (melting point measured by DSC 140 ° C., MFR measured at 230 ° C. is 21 g / 10 min), propylene-ethylene copolymer resin (measured by DSC)
- the molding packaging material 1 shown in FIG. 1 was obtained in the same manner as in Example 1 except that the melting point was 155 ° C. and the MFR measured at 230 ° C. was 25 g / 10 min.
- Example 5 As component B, instead of the carboxyl group-containing polypropylene resin J having an MFR measured at 130 ° C. of 12 g / 10 min, a carboxyl group-containing polypropylene resin K having an MFR measured at 130 ° C. of 8 g / 10 min is used.
- a molding packaging material 1 shown in FIG. 1 was obtained in the same manner as in Example 1 except that.
- the carboxyl group-containing polypropylene resin K is dissolved in toluene as a solvent.
- Example 6 As component B, a carboxyl group-containing polypropylene resin L having an MFR measured at 130 ° C. of 40 g / 10 min was used instead of the carboxyl group-containing polypropylene resin J having an MFR measured at 130 ° C. of 12 g / 10 min.
- a molding packaging material 1 shown in FIG. 1 was obtained in the same manner as in Example 1 except that.
- the carboxyl group-containing polypropylene resin L is dissolved in the solvent toluene.
- Example 7 A chemical conversion treatment solution composed of polyacrylic acid, a trivalent chromium compound, water and alcohol is applied to both surfaces of an aluminum foil 4 having a thickness of 40 ⁇ m, and dried at 180 ° C., so that the chromium adhesion amount becomes 10 mg / m 2. After that, a 25 ⁇ m thick biaxially stretched polyamide film (biaxially stretched nylon film) (heat-resistant resin layer) 2 is dried on one surface of the aluminum foil 4 with a two-component curable urethane adhesive 11.
- Example 2 By laminating and then applying the first adhesive E (treatment liquid) used in Example 1 to the other surface 4a of the aluminum foil 4 by the gravure roll method, and then passing it through a hot air drying oven at 200 ° C. Then, baking is performed by heating to form a first adhesive layer 5 having a fixing amount of 2 g / m 2 to obtain a laminated body 30. Next, as shown in FIG.
- Laminated surface Propylene-ethylene random copolymer film (melting point measured by DSC: 140 ° C., thickness: 60 ⁇ m) through extruded polypropylene resin 12 extruded from the extrusion die 20 of the extruder on the surface 5a on which nothing is laminated 3 was laminated and integrated by a sandwich lamination method to obtain a molding packaging material 1 shown in FIG.
- Example 8> A chemical conversion treatment solution composed of polyacrylic acid, a trivalent chromium compound, water and alcohol is applied to both surfaces of an aluminum foil 4 having a thickness of 40 ⁇ m, and dried at 180 ° C., so that the chromium adhesion amount becomes 10 mg / m 2. After that, a 25 ⁇ m thick biaxially stretched polyamide film (biaxially stretched nylon film) (heat-resistant resin layer) 2 is dried on one surface of the aluminum foil 4 with a two-component curable urethane adhesive 11.
- Example 2 By laminating and then applying the first adhesive E (treatment liquid) used in Example 1 to the other surface 4a of the aluminum foil 4 by the gravure roll method, and then passing it through a hot air drying oven at 200 ° C. Then, baking is performed by heating to form a first adhesive layer 5 having a fixing amount of 2 g / m 2 to obtain a laminated body 30, and then a non-laminated surface of the first adhesive layer 5 (nothing is laminated).
- the packaging material 1 for molding was obtained by carrying out lamination
- Example 9> Instead of the first adhesive E, 846 g of toluene (organic solvent; component A), 4 g of isopropyl alcohol (organic solvent; component A), and a carboxyl group-containing polypropylene resin J having an MFR measured at 130 ° C. of 12 g / 10 min.
- the molding packaging material 1 shown in FIG. 1 is the same as in Example 1 except that the first adhesive P formed by blending 150 g of (B component) and 15 g of HDI (polyfunctional isocyanate compound; C component) is used. Got.
- the solid content of the first adhesive P is 15% by mass.
- the component B (carboxyl group-containing polypropylene resin) is dissolved in an organic solvent.
- Example 10 In place of the first adhesive E, 842 g of toluene (organic solvent; component A), 8 g of isopropyl alcohol (organic solvent; component A), and a carboxyl group-containing polypropylene resin K having an MFR measured at 130 ° C. of 8 g / 10 min. (B component) 150 g and HDI (polyfunctional isocyanate compound; C component) 15 g is used in the same manner as in Example 1 except that the first adhesive Q is used. Got. The solid content of the first adhesive Q is 15% by mass. In the first adhesive Q, the component B (carboxyl group-containing polypropylene resin) is dissolved in an organic solvent.
- Example 1 The molding shown in FIG. 1 is carried out in the same manner as in Example 1 except that a two-component curable urethane-based first adhesive Z containing a polyol component and an isocyanate component is used instead of the first adhesive E. Packaging material 1 was obtained.
- the melting points described in the description of each of the above examples and comparative examples are the melting points measured at an increase rate of 20 ° C./min using an automatic differential scanning calorimeter (product number: DSC-60A) manufactured by Shimadzu Corporation. It is.
- ⁇ Lamination strength evaluation method Cut the molding packaging material to a width of 15 mm to prepare a measurement piece, and laminate strength of the measurement piece (lamination strength between the first adhesive layer 5 and the polypropylene layer (inner layer) 3) in an atmosphere at 80 ° C. Measured with a tensile tester.
- ⁇ A laminate strength of 5 N / 15 mm width or more
- O A laminate strength of 3 N / 15 mm width or more and less than 5 N / 15 mm width
- X Lamination strength is less than 3 N / 15 mm width.
- ⁇ Electrolytic solution resistance evaluation method Cut the molding packaging material to a width of 15 mm to prepare a measurement piece, and a concentration of 1 mol / L of lithium hexafluorophosphate with respect to a mixed solvent in which ethylene carbonate and diethylene carbonate are mixed at a volume ratio of 1: 1.
- the solution so dissolved as above and the measurement piece are put in a wide-mouthed bottle made of tetrafluoroethylene resin and stored in an oven at 85 ° C. for one week, and then the measurement piece is taken out to remove the first adhesive layer 5 and polypropylene. It peeled at the interface of the layer (inner layer) 3 and the laminate strength (adhesive strength) between them was measured.
- ⁇ Seal performance evaluation method> Using a Tensilon RTA-100 manufactured by Orientec Co., Ltd. and a constant temperature bath TCF-III1-B manufactured by Baldwin Co., Ltd., a seal peeling test was performed at 25 ° C. and 80 ° C. to evaluate the sealing performance.
- the sealing conditions for each packaging material were 5 mm seal width, 0.3 MPa seal pressure, 1 second seal time, 160 ° C. and 180 ° C. double-sided heating.
- the storage stability of the first adhesive (treatment liquid) used in each example and each comparative example was evaluated as follows. That is, about 100 mL of each first adhesive (treatment liquid) in each glass container having an internal volume of 110 mL was allowed to stand at 25 ° C. for 1 month. The state of the adhesive liquid after standing for 1 month was visually observed and evaluated based on the following criteria. (Criteria) “ ⁇ ”... There was no cloudiness or thickening, and the appearance and liquid state did not change from the initial state (no change; passed) “ ⁇ ”: Slight cloudiness and slight thickening were observed, but fluidity was maintained (can be used without problems as an adhesive; passed) "X” ... cloudy and solidified.
- the molding packaging materials of Examples 1 to 10 of the present invention obtained a sufficient interlayer laminate strength, and were excellent in electrolytic solution resistance and sealing performance. Further, the first adhesive used in Examples 1 to 10 had good storage stability.
- the molding packaging material of Comparative Example 1 using a urethane adhesive as the first adhesive was inferior in electrolytic solution resistance.
- the molding packaging material of Comparative Example 2 using the first adhesive containing a polyolefin resin having no carboxyl group was inferior in interlayer laminate strength, electrolytic solution resistance, and sealing performance.
- the molding packaging material according to the present invention is suitably used as a battery case for notebook computers, mobile phones, in-vehicle, stationary lithium ion polymer secondary batteries and the like. Although suitable as a packaging material for pharmaceuticals, it is not particularly limited to these uses.
- Molding packaging material 2 Heat-resistant resin layer (outer layer) 3.
- Polypropylene layer (inner layer) 4 Metal foil layer 4a . Chemical conversion treatment surface 5 inside metal foil layer ...
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Abstract
Description
前記金属箔層の少なくとも内側の面に化成処理が施され、前記金属箔層の内側の化成処理面に接着剤層を介して前記ポリプロピレン層が積層され、
前記接着剤層は、前記金属箔層の内側の化成処理面に、少なくとも有機溶媒と、該有機溶媒に溶解され、130℃で測定したMFRが5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、多官能イソシアネート化合物とを含有してなる接着剤を塗布することによって形成されたものであることを特徴とする成形用包装材。
前記金属箔の他方の面に、少なくとも有機溶媒と、該有機溶媒に溶解され、130℃で測定したMFRが5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、多官能イソシアネート化合物とを含有してなる第1接着剤を塗布して、第1接着剤層を形成する工程と、
前記第1接着剤層の未積層面に、内側層としてのポリプロピレン層を積層する工程と、を含み、
前記金属箔として、少なくとも前記第1接着剤を塗布する側の面に化成処理が施された金属箔を用いることを特徴とする成形用包装材の製造方法。
(A)有機溶媒と、
(B)該有機溶媒に溶解され、130℃で測定したMFR(メルトフローレート)が5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、
(C)多官能イソシアネート化合物と、
を含有してなる第1接着剤を塗布することによって形成されたものである。
(A)有機溶媒と、
(B)該有機溶媒に溶解され、130℃で測定したMFR(メルトフローレート)が5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、
(C)多官能イソシアネート化合物と、
を含有してなる第1接着剤を塗布した後、乾燥させることによって、第1接着剤層5を形成する。好ましくは、前記第1接着剤を塗布した後、加熱により焼き付けを行って、第1接着剤層5を形成する(焼き付け処理工程)。こうして積層体30を得る(図2参照)。
1)リン酸、クロム酸及びフッ化物の金属塩の混合物からなる水溶液
2)リン酸、クロム酸、フッ化物金属塩及び非金属塩の混合物からなる水溶液
3)アクリル系樹脂又は/及びフェノール系樹脂と、リン酸と、クロム酸と、フッ化物金属塩との混合物からなる水溶液
を塗工した後乾燥することにより化成処理を施す。
(A)有機溶媒と、
(B)該有機溶媒に溶解され、130℃で測定したMFR(メルトフローレート)が5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、
(C)多官能イソシアネート化合物と、
を含有する第1接着剤(処理液)を塗布したのち乾燥させることによって形成された皮膜(塗膜)である。前記第1接着剤(処理液)を塗布したのち加熱による焼き付け処理を行うことによって前記皮膜(塗膜)を形成するのが好ましい。
(D)前記有機溶媒に分散された、融点が120℃~170℃である、カルボキシル基を有するポリオレフィン樹脂
を含有する構成であるのが好ましい。
1)共重合成分としてプロピレンとエチレンを含有するランダム共重合体樹脂
2)共重合成分としてプロピレン、エチレン及びブテンを含有する共重合体樹脂
3)共重合成分としてプロピレンとエチレンを含有するブロック共重合体樹脂
等が挙げられる。
(合成例1)カルボキシル基含有ポリプロピレン樹脂J
メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体(MFR:10g/10分、融点:85℃;以下、「プロピレン系ランダム共重合体A」という)100質量部、無水マレイン酸2質量部、ラウリルメタクリレート1質量部及びジ-t-ブチルパーオキサイド1.5質量部を、シリンダー部の最高温度を170℃に設定した二軸押出機を用いて混練して反応させた。その後、押出機内にて減圧脱気を行い、残留する未反応物を除去して、カルボキシル基含有ポリプロピレン樹脂J(B成分)を合成した。このカルボキシル基含有ポリプロピレン樹脂Jは、130℃で測定したMFRが12g/10分であり、カルボキシル基の含有量は、カルボキシル基含有ポリプロピレン樹脂(樹脂J)1g当たり0.4mmolであった。
プロピレン系ランダム共重合体Aに代えて、メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体B(MFR:5g/10分)を用いた以外は、合成例1と同様にして、カルボキシル基含有ポリプロピレン樹脂K(B成分)を合成した。このカルボキシル基含有ポリプロピレン樹脂Kは、130℃で測定したMFRが8g/10分であり、カルボキシル基の含有量は、カルボキシル基含有ポリプロピレン樹脂(樹脂K)1g当たり0.4mmolであった。
プロピレン系ランダム共重合体Aに代えて、メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体C(MFR:36g/10分)を用いた以外は、合成例1と同様にして、カルボキシル基含有ポリプロピレン樹脂L(B成分)を合成した。このカルボキシル基含有ポリプロピレン樹脂Lは、130℃で測定したMFRが40g/10分であり、カルボキシル基の含有量は、カルボキシル基含有ポリプロピレン樹脂(樹脂K)1g当たり0.4mmolであった。
プロピレン系ランダム共重合体Aに代えて、メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体D(MFR:1g/10分)を用いた以外は、合成例1と同様にして、カルボキシル基含有ポリプロピレン樹脂X(B成分)を合成した。このカルボキシル基含有ポリプロピレン樹脂Xは、130℃で測定したMFRが3g/10分であり、カルボキシル基の含有量は、カルボキシル基含有ポリプロピレン樹脂(樹脂X)1g当たり0.4mmolであった。
プロピレン系ランダム共重合体Aに代えて、メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体E(MFR:42g/10分)を用いた以外は、合成例1と同様にして、カルボキシル基含有ポリプロピレン樹脂Y(B成分)を合成した。このカルボキシル基含有ポリプロピレン樹脂Yは、130℃で測定したMFRが45g/10分であり、カルボキシル基の含有量は、カルボキシル基含有ポリプロピレン樹脂(樹脂Y)1g当たり0.4mmolであった。
プロピレン重合体(融点:163℃)100質量部及びトルエン435質量部を撹拌機が付設された内容積1.5Lのオートクレーブに入れ、撹拌下、140℃に昇温し、プロピレン重合体を完全に溶解させた。この溶液を140℃に保ったまま、撹拌下、無水マレイン酸16質量部及びジクミルパーオキサイド1.5質量部を、それぞれ4時間かけて同時に滴下し、滴下終了後、更に140℃で1時間撹拌して、後反応を行い、変性重合体を得た。次いで、この変性重合体含有溶液を室温まで冷却し、溶液にアセトンを加えることによって変性重合体を析出させた。析出した変性重合体を繰り返しアセトンで洗浄した後、乾燥を行って、変性重合体を回収した。この変性重合体は、変性重合体における無水マレイン酸のグラフト量は2.8質量%であり、融点が156℃、カルボキシル基の含有量が変性重合体1g当たり0.6mmolであった。
メタロセン触媒を重合触媒として用いて製造した、プロピレン単位97モル%及びエチレン単位3モル%からなるプロピレン-エチレンランダム共重合体F(MFR:12g/10分)15質量部及びトルエン85質量部を、撹拌機付きオートクレーブに入れ、撹拌下、130℃に加熱して共重合体Fを完全に溶解させた。その後、撹拌しながら25℃/時間の冷却速度で90℃まで降温した後、5℃/時間の冷却速度で60℃まで冷却した。次いで、20℃/時間の冷却速度で30℃まで降温して、固形分(カルボキシル基を含有しないポリプロピレン樹脂N)15質量%の乳白色の均一な分散液Qを得た。
トルエン(有機溶媒;A成分)850g、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂J(B成分)150g、HDI(多官能イソシアネート化合物;C成分)15gを配合してなる第1接着剤E(処理液)を作製した。前記第1接着剤Eの固形分含有率は15質量%である。また、前記第1接着剤Eにおいて、B成分(カルボキシル基含有ポリプロピレン樹脂)は、溶媒のトルエンに溶解している。
第1接着剤Eに代えて、トルエン(有機溶媒;A成分)170g、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂J(B成分)30g、HDI(多官能イソシアネート化合物;C成分)15g、合成例6で得た乳白色分散液P 800g(トルエン680g及びカルボキシル基含有ポリプロピレン樹脂M120g)を配合してなる第1接着剤F(処理液)を用いると共に、押し出したプロピレン-エチレン共重合体樹脂3Xの厚さを80μmに設定した以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
前記押出樹脂3Xとして、プロピレン-エチレン共重合体樹脂(DSCで測定した融点が140℃、230℃で測定したMFRが21g/10分)に代えて、プロピレン-エチレン共重合体樹脂(DSCで測定した融点が155℃、230℃で測定したMFRが22g/10分)を用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
前記押出樹脂3Xとして、プロピレン-エチレン共重合体樹脂(DSCで測定した融点が140℃、230℃で測定したMFRが21g/10分)に代えて、プロピレン-エチレン共重合体樹脂(DSCで測定した融点が155℃、230℃で測定したMFRが25g/10分)を用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
B成分として、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂Jに代えて、130℃で測定したMFRが8g/10分である、カルボキシル基含有ポリプロピレン樹脂Kを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。なお、この実施例5で使用する第1接着剤では、カルボキシル基含有ポリプロピレン樹脂Kは、溶媒のトルエンに溶解している。
B成分として、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂Jに代えて、130℃で測定したMFRが40g/10分である、カルボキシル基含有ポリプロピレン樹脂Lを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。なお、この実施例6で使用する第1接着剤では、カルボキシル基含有ポリプロピレン樹脂Lは、溶媒のトルエンに溶解している。
厚さ40μmのアルミニウム箔4の両面に、ポリアクリル酸、三価クロム化合物、水、アルコールからなる化成処理液を塗布し、180℃で乾燥を行って、クロム付着量が10mg/m2となるようにした後、このアルミニウム箔4の一方の面に厚さ25μmの二軸延伸ポリアミドフィルム(二軸延伸ナイロンフィルム)(耐熱性樹脂層)2を二液硬化型のウレタン系接着剤11でドライラミネートし、次いでアルミニウム箔4の他方の面4aに、前記実施例1で用いた第1接着剤E(処理液)をグラビアロール法で塗布した後、200℃の熱風乾燥炉を通過させることによって、加熱による焼き付けを行って、固着量2g/m2の第1接着剤層5を形成せしめて、積層体30を得、次いで、図4に示すように、前記第1接着剤層5の未積層面(何も積層されていない面)5aに、押出機の押出ダイス20から押し出した押出ポリプロピレン樹脂12を介してプロピレン-エチレンランダム共重合体フィルム(DSCで測定した融点が140℃、厚さ60μm)3をサンドイッチラミネート法により積層一体化することにより、図3に示す成形用包装材1を得た。
厚さ40μmのアルミニウム箔4の両面に、ポリアクリル酸、三価クロム化合物、水、アルコールからなる化成処理液を塗布し、180℃で乾燥を行って、クロム付着量が10mg/m2となるようにした後、このアルミニウム箔4の一方の面に厚さ25μmの二軸延伸ポリアミドフィルム(二軸延伸ナイロンフィルム)(耐熱性樹脂層)2を二液硬化型のウレタン系接着剤11でドライラミネートし、次いでアルミニウム箔4の他方の面4aに、前記実施例1で用いた第1接着剤E(処理液)をグラビアロール法で塗布した後、200℃の熱風乾燥炉を通過させることによって、加熱による焼き付けを行って、固着量2g/m2の第1接着剤層5を形成せしめて、積層体30を得、次いで、前記第1接着剤層5の未積層面(何も積層されていない面)5aに、プロピレン-エチレンランダム共重合体フィルム(DSCで測定した融点が140℃、厚さ40μm)を熱ラミネート法(耐熱性樹脂層面を165℃の熱ロールに接触させる態様で一対の熱ロール間で挟圧する)により積層一体化することにより、成形用包装材1を得た。
第1接着剤Eに代えて、トルエン(有機溶媒;A成分)846g、イソプロピルアルコール(有機溶媒;A成分)4g、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂J(B成分)150g、HDI(多官能イソシアネート化合物;C成分)15gを配合してなる第1接着剤Pを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。なお、前記第1接着剤Pの固形分含有率は15質量%である。また、前記第1接着剤Pにおいて、B成分(カルボキシル基含有ポリプロピレン樹脂)は、有機溶媒に溶解している。
第1接着剤Eに代えて、トルエン(有機溶媒;A成分)842g、イソプロピルアルコール(有機溶媒;A成分)8g、130℃で測定したMFRが8g/10分である、カルボキシル基含有ポリプロピレン樹脂K(B成分)150g、HDI(多官能イソシアネート化合物;C成分)15gを配合してなる第1接着剤Qを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。なお、前記第1接着剤Qの固形分含有率は15質量%である。また、前記第1接着剤Qにおいて、B成分(カルボキシル基含有ポリプロピレン樹脂)は、有機溶媒に溶解している。
第1接着剤Eに代えて、ポリオール成分及びイソシアネート成分を含有してなる二液硬化型のウレタン系第1接着剤Zを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
第1接着剤Eに代えて、合成例7で得た乳白色分散液Qを1000g(トルエン850g及びカルボキシル基を含有しないポリプロピレン樹脂N 150g)、HDI(多官能イソシアネート化合物)15gを配合してなる第1接着剤Wを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。なお、前記第1接着剤Wにおいて、カルボキシル基を含有しないポリプロピレン樹脂Nは、トルエンに溶解せずトルエン中に分散している。
B成分として、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂Jに代えて、130℃で測定したMFRが3g/10分である、カルボキシル基含有ポリプロピレン樹脂Xを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
B成分として、130℃で測定したMFRが12g/10分である、カルボキシル基含有ポリプロピレン樹脂Jに代えて、130℃で測定したMFRが45g/10分である、カルボキシル基含有ポリプロピレン樹脂Yを用いた以外は、実施例1と同様にして、図1に示す成形用包装材1を得た。
成形用包装材を15mm幅にカットして測定片を作成し、80℃の雰囲気下で前記測定片のラミネート強度(第1接着剤層5とポリプロピレン層(内側層)3とのラミネート強度)を引張試験機で測定した。
(判定基準)
「◎」…5N/15mm幅以上のラミネート強度を有する
「○」…3N/15mm幅以上5N/15mm幅未満のラミネート強度を有する
「×」…ラミネート強度が3N/15mm幅未満である。
成形用包装材を15mm幅にカットして測定片を作成し、エチレンカーボネートとジエチレンカーボネートを1:1の容量比で混合した混合溶媒に対して六フッ化リンリチウム塩を1モル/Lの濃度となるように溶解せしめた溶液及び前記測定片を四フッ化エチレン樹脂製の広口ボトルに入れて85℃のオーブン中に1週間保存した後、測定片を取り出して第1接着剤層5とポリプロピレン層(内側層)3の界面で剥離して両者間のラミネート強度(接着強度)を測定した。
(判定基準)
「◎」…測定された接着強度が、初期接着強度に対して保持率90%以上
「○」…測定された接着強度が、初期接着強度に対して保持率60%以上95%未満
「△」…測定された接着強度が、初期接着強度に対して保持率30%以上60%未満
「×」…測定された接着強度が、初期接着強度に対して保持率30%未満(浸漬中に層間剥離したものを含む)。
株式会社オリエンテック製のテンシロンRTA-100及び株式会社ボールドウィン製の恒温槽TCF-III1-Bを用いて25℃及び80℃の条件下でシール剥離試験を行いシール性能の評価を行った。シール条件は、各成形用包装材について、シール幅5mm、シール圧0.3MPa、シール時間1秒、シール温度160℃及び180℃両面加熱で行った。
(シール性能判定基準)
「◎」…160℃でシールし25℃でシール剥離試験を行った場合及び180℃でシールし80℃でシール剥離試験を行った場合のいずれにおいても30N/15mm以上の強度が得られたもの
「○」…160℃でシールし25℃でシール剥離試験を行った場合及び180℃でシールし80℃でシール剥離試験を行った場合のいずれにおいても25N/15mm以上30N/15mm未満の強度が得られたもの
「×」…上記に該当しなかったもの(シール性能が悪い)。
各実施例、各比較例で使用した第1接着剤(処理液)の貯蔵安定性を次のようにして評価した。即ち、内容量110mLの各ガラス製容器内にそれぞれ各第1接着剤(処理液)約100mLを入れたものを25℃の温度条件下で1ヶ月間静置した。1ヶ月間静置後の接着剤液の状態を目視により観察し、下記判定基準に基づいて評価した。
(判定基準)
「◎」…白濁や増粘がなく、外観や液の状態が初期と変わらなかった(変化がなかった;合格)
「○」…僅かな白濁や僅かな増粘が認められたが、流動性を維持していた(接着剤として問題なく使用できる;合格)
「×」…白濁し、固化していた。
2…耐熱性樹脂層(外側層)
3…ポリプロピレン層(内側層)
4…金属箔層
4a…金属箔層の内側の化成処理面
5…接着剤層(第1接着剤層)
5a…接着剤層の内側の面
11…第2接着剤(層)
Claims (11)
- 外側層としての耐熱性樹脂層と、内側層としてのポリプロピレン層と、これら両層間に配設された金属箔層とを含む成形用包装材であって、
前記金属箔層の少なくとも内側の面に化成処理が施され、前記金属箔層の内側の化成処理面に接着剤層を介して前記ポリプロピレン層が積層され、
前記接着剤層は、前記金属箔層の内側の化成処理面に、少なくとも有機溶媒と、該有機溶媒に溶解され、130℃で測定したMFRが5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、多官能イソシアネート化合物とを含有してなる接着剤を塗布することによって形成されたものであることを特徴とする成形用包装材。 - 前記接着剤は、さらに、融点が120℃~170℃である、カルボキシル基を有するポリオレフィン樹脂を、前記有機溶媒に分散された状態で含有するものである請求項1に記載の成形用包装材。
- 前記接着剤層は、前記金属箔層の内側の化成処理面に前記接着剤を塗布したのち焼き付け処理することによって形成されたものである請求項1または2に記載の成形用包装材。
- 前記焼き付け処理によって形成された接着剤層の内側の面にポリプロピレンが押出ラミネート法により積層されて前記ポリプロピレン層が形成されている請求項3に記載の成形用包装材。
- 前記内側層としてのポリプロピレン層は、共重合成分として少なくともプロピレンとエチレンを含有し、融点が135℃~155℃、230℃で測定したMFRが6g/10分~25g/10分である共重合体樹脂で構成されている請求項1~4のいずれか1項に記載の成形用包装材。
- 電池ケースとして用いられる請求項1~5のいずれか1項に記載の成形用包装材。
- 食品または医薬品の包装材として用いられる請求項1~5のいずれか1項に記載の成形用包装材。
- 金属箔の一方の面に耐熱性樹脂フィルムを第2接着剤で接着する工程と、
前記金属箔の他方の面に、少なくとも有機溶媒と、該有機溶媒に溶解され、130℃で測定したMFRが5g/10分~42g/10分である、カルボキシル基を有するポリオレフィン樹脂と、多官能イソシアネート化合物とを含有してなる第1接着剤を塗布して、第1接着剤層を形成する工程と、
前記第1接着剤層の未積層面に、内側層としてのポリプロピレン層を積層する工程と、を含み、
前記金属箔として、少なくとも前記第1接着剤を塗布する側の面に化成処理が施された金属箔を用いることを特徴とする成形用包装材の製造方法。 - 前記第1接着剤は、さらに、融点が120℃~170℃である、カルボキシル基を有するポリオレフィン樹脂を、前記有機溶媒に分散された状態で含有することを特徴とする請求項8に記載の成形用包装材の製造方法。
- 前記第1接着剤を塗布した後、加熱により焼き付けを行って、前記第1接着剤層を形成する請求項8または9に記載の成形用包装材の製造方法。
- 前記内側層のポリプロピレンとして、共重合成分として少なくともプロピレンとエチレンを含有し、融点が135℃~155℃、230℃で測定したMFRが6g/10分~25g/10分である共重合体樹脂を用いる請求項8~10のいずれか1項に記載の成形用包装材の製造方法。
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KR (1) | KR101641010B1 (ja) |
CN (1) | CN104203567B (ja) |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008210777A (ja) * | 2007-01-31 | 2008-09-11 | Toppan Printing Co Ltd | リチウム電池用包材およびその製造方法 |
JP2008230198A (ja) * | 2007-03-23 | 2008-10-02 | Unitika Ltd | 包装材料 |
WO2009041077A1 (ja) * | 2007-09-26 | 2009-04-02 | Toppan Printing Co., Ltd. | リチウム電池用包材およびその製造方法 |
JP2010092703A (ja) * | 2008-10-08 | 2010-04-22 | Showa Denko Packaging Co Ltd | 電池ケース用包材及び電池用ケース |
JP2012001661A (ja) * | 2010-06-18 | 2012-01-05 | Dic Corp | ポリオレフィン多層フィルム用接着性樹脂組成物、ポリオレフィン多層フィルム用接着性樹脂組成物の製造方法、ポリオレフィン多層フィルム、金属蒸着フィルム、及び、オレフィンフィルム用水性コーティング剤。 |
WO2012133683A1 (ja) * | 2011-03-29 | 2012-10-04 | 昭和電工パッケージング株式会社 | 成形用包装材および電池用ケース |
WO2012133663A1 (ja) * | 2011-03-29 | 2012-10-04 | 昭和電工パッケージング株式会社 | 成形用包装材および電池用ケース |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000129056A (ja) | 1998-10-21 | 2000-05-09 | Showa Denko Kk | 接着性樹脂複合体及びその積層体 |
JP3496090B2 (ja) | 1999-06-14 | 2004-02-09 | 日本製箔株式会社 | 二次電池用外装材料及びその製造方法 |
JP4522518B2 (ja) | 1999-12-17 | 2010-08-11 | 大日本印刷株式会社 | ポリマー電池用包装材料の製造方法 |
JP4450913B2 (ja) | 1999-12-17 | 2010-04-14 | 大日本印刷株式会社 | ポリマー電池用包装材料の製造方法 |
JP2001277416A (ja) | 2000-03-30 | 2001-10-09 | Japan Polyolefins Co Ltd | イージーピール性積層体およびその製造方法 |
JP4770015B2 (ja) * | 2000-11-13 | 2011-09-07 | 大日本印刷株式会社 | 包装材料 |
JP4731038B2 (ja) * | 2001-04-26 | 2011-07-20 | 日本合成化学工業株式会社 | 積層包装材 |
US7208552B2 (en) | 2001-12-28 | 2007-04-24 | Nippon Paper Industries, Co., Ltd. | Binder resin compositions, production process and use thereof |
JP4360139B2 (ja) * | 2003-08-11 | 2009-11-11 | 東亞合成株式会社 | 電池ケース用包装材料及びそれを用いて成形された電池ケース |
TWI247756B (en) | 2003-08-22 | 2006-01-21 | Mitsui Chemicals Inc | Propylene random copolymers, use thereof and manufacturing method of the same |
JP2006015605A (ja) | 2004-07-01 | 2006-01-19 | Mitsubishi Chemicals Corp | 積層フィルムおよび積層フィルム製包装袋 |
JP5519895B2 (ja) * | 2005-05-27 | 2014-06-11 | 昭和電工パッケージング株式会社 | 電池ケース用包材及び電池用ケース |
JP4380728B2 (ja) * | 2007-05-16 | 2009-12-09 | ソニー株式会社 | 積層型包装材料、電池用外装部材および電池 |
WO2009008776A1 (ru) * | 2007-07-06 | 2009-01-15 | Obschestvo S Ogranichennoi Otvetstvennostju 'akva-Piro-Alyans' | Ствол для получения струй аэрозольного распыла |
JP5177149B2 (ja) | 2008-01-10 | 2013-04-03 | 東亞合成株式会社 | 接着剤組成物及びそれを用いた熱融着性部材 |
JP2010254276A (ja) | 2008-09-08 | 2010-11-11 | Mitsubishi Chemicals Corp | 自動車外装用の積層体、及び自動車水平外板部品 |
JP5525938B2 (ja) | 2010-07-02 | 2014-06-18 | 昭和電工パッケージング株式会社 | 成形用包装材及びその製造方法 |
TWI507494B (zh) * | 2010-12-28 | 2015-11-11 | Toagosei Co Ltd | An adhesive composition and a hot melt adhesive member using the composition |
-
2013
- 2013-01-11 DE DE201311000791 patent/DE112013000791T5/de active Pending
- 2013-01-11 US US14/375,138 patent/US10239287B2/en active Active
- 2013-01-11 CN CN201380007645.1A patent/CN104203567B/zh active Active
- 2013-01-11 KR KR1020147021294A patent/KR101641010B1/ko active IP Right Grant
- 2013-01-11 WO PCT/JP2013/050466 patent/WO2013114934A1/ja active Application Filing
- 2013-01-11 JP JP2013556295A patent/JP5774139B2/ja active Active
- 2013-01-15 TW TW102101489A patent/TWI569969B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008210777A (ja) * | 2007-01-31 | 2008-09-11 | Toppan Printing Co Ltd | リチウム電池用包材およびその製造方法 |
JP2008230198A (ja) * | 2007-03-23 | 2008-10-02 | Unitika Ltd | 包装材料 |
WO2009041077A1 (ja) * | 2007-09-26 | 2009-04-02 | Toppan Printing Co., Ltd. | リチウム電池用包材およびその製造方法 |
JP2010092703A (ja) * | 2008-10-08 | 2010-04-22 | Showa Denko Packaging Co Ltd | 電池ケース用包材及び電池用ケース |
JP2012001661A (ja) * | 2010-06-18 | 2012-01-05 | Dic Corp | ポリオレフィン多層フィルム用接着性樹脂組成物、ポリオレフィン多層フィルム用接着性樹脂組成物の製造方法、ポリオレフィン多層フィルム、金属蒸着フィルム、及び、オレフィンフィルム用水性コーティング剤。 |
WO2012133683A1 (ja) * | 2011-03-29 | 2012-10-04 | 昭和電工パッケージング株式会社 | 成形用包装材および電池用ケース |
WO2012133663A1 (ja) * | 2011-03-29 | 2012-10-04 | 昭和電工パッケージング株式会社 | 成形用包装材および電池用ケース |
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CN108368402A (zh) * | 2016-04-27 | 2018-08-03 | Dic株式会社 | 层压用粘接剂组合物、层叠体和二次电池 |
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Publication number | Publication date |
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JPWO2013114934A1 (ja) | 2015-05-11 |
TW201347994A (zh) | 2013-12-01 |
TWI569969B (zh) | 2017-02-11 |
CN104203567A (zh) | 2014-12-10 |
KR20140111316A (ko) | 2014-09-18 |
DE112013000791T5 (de) | 2014-10-23 |
US20150004476A1 (en) | 2015-01-01 |
KR101641010B1 (ko) | 2016-07-19 |
CN104203567B (zh) | 2016-11-23 |
JP5774139B2 (ja) | 2015-09-02 |
US10239287B2 (en) | 2019-03-26 |
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