WO2006043459A1 - 医療用ガスバリアフィルムおよびそれを用いた医療用バッグ - Google Patents
医療用ガスバリアフィルムおよびそれを用いた医療用バッグ Download PDFInfo
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- WO2006043459A1 WO2006043459A1 PCT/JP2005/018834 JP2005018834W WO2006043459A1 WO 2006043459 A1 WO2006043459 A1 WO 2006043459A1 JP 2005018834 W JP2005018834 W JP 2005018834W WO 2006043459 A1 WO2006043459 A1 WO 2006043459A1
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Definitions
- the present invention maintains an excellent gas' vapor barrier property even after heat sterilization without impairing the flexibility, transparency and impact resistance of the film and after storage for a long period of time.
- the present invention relates to a gas noria film suitable for medical use and capable of suppressing elution of components derived from a film formulation component and an adhesive, and a medical bag using the same.
- Plastic bags such as infusion bags have advantages such as good handleability and easy disposal after use.
- plastics that are widely used in the field of medical containers are usually made of highly safe polyethylene.
- polyethylene is a plastic with high gas permeability
- a medical bag is usually used as an oxygen scavenger.
- a measure is taken to store in a plastic outer layer bag having gas barrier properties.
- the plastic material described in Patent Document 1 is a multilayer comprising a heat-sealable resin layer, a biaxially stretched polyester-based resin film having an inorganic oxide deposition layer, a biaxially stretched polyamide resin film, and a surface protective layer.
- the biaxially stretched polyamide resin film is bonded to one surface, and the surface protective layer is disposed on the other surface of the biaxially stretched polyamide resin film.
- the plastic material described in Patent Document 2 is polyethylene that forms a heat-sealing seal portion.
- a multilayer film comprising a polyethylene terephthalate layer having a layer, a polycyclic polyolefin layer, and a vapor deposition layer of an inorganic oxide, wherein one surface of the polycyclic polyolefin layer is bonded to the polyethylene layer, The vapor deposition layer of the said polyethylene terephthalate layer is adhere
- the plastic material described in Patent Document 3 includes a heat-fusible layer (ethylene-based polymer), a biaxially stretched film (biaxially stretched polyester) substrate having an inorganic oxide deposition layer, and a protective layer.
- a heat-fusible layer ethylene-based polymer
- a biaxially stretched film biaxially stretched polyester
- a protective layer a multilayer film, wherein the biaxially stretched film is bonded to the surface opposite to the inorganic oxide deposition layer of the base material, and the biaxially stretched film
- the protective layer is bonded to the surface of the film substrate on the inorganic oxide deposition layer side.
- Patent Document 1 Japanese Patent Application Publication No. 2004-58336
- Patent Document 2 Japanese Patent Application Publication No. 2001-157705
- Patent Document 3 Japanese Patent Application Publication No. 2004-148681
- the medical bag for example, has the characteristics required for conventional plastic bags, such as flexibility, transparency, and impact resistance, as well as heat resistance that can withstand heat sterilization, There are demands for the safety of stored drugs (especially the low elution properties of the components and components derived from adhesives), and a plastic material that satisfies all these characteristics is obtained. It is the present situation that it has been discovered.
- the vapor-deposited layer is disposed on the inner surface side of the packaging body using the multilayer film among the polyester (polyethylene terephthalate) film as the base material.
- the multilayer films described in Patent Documents 1 and 3 there is a concern that the adhesive used for adhesion between the layers may be eluted, and in the multilayer films described in Patent Documents 2 and 3, the packaging using the multilayer film is used. From the outer surface of the body Since the thickness up to the vapor deposition layer is thin, the gas / water vapor barrier property may deteriorate over time.
- an object of the present invention is to maintain excellent gas and water vapor barrier properties even after heat sterilization treatment and after long-term storage while maintaining the flexibility, transparency and impact resistance of the film. It is possible to provide a gas barrier film suitable for medical use and capable of suppressing elution of components derived from the blended components and adhesives of the film, and a medical bag using the gas barrier film.
- the present invention provides:
- a multilayer gas barrier film and a multilayer base material film adhered to the multilayer gas barrier film wherein the multilayer gas barrier film includes a vapor-deposited stretched polyester layer having a vapor-deposited layer of an inorganic oxide on one surface.
- the material film includes a polycyclic polyolefin layer, an elastomer layer, and a heat seal layer, and is adhered to the other side surface of the vapor-deposited stretched polyester layer.
- a gas nolia for medical use which is disposed on the surface opposite to the adhesive surface of the multilayer base film with the vapor-deposited stretched polyester layer. Irumu,
- the multilayer substrate film force Polycyclic polyolefin layer, a first elastomer layer bonded to one surface of the polycyclic polyolefin layer, and an adhesive surface of the first elastomeric layer to the polycyclic polyolefin layer
- a heat seal layer that is bonded to the opposite surface of the second layer, a second elastomer layer that is bonded to the other surface of the polycyclic polyolefin layer, and an adhesive surface opposite to the polycyclic polyolefin layer of the second elastomer layer.
- the medical gas noria film according to (1) comprising a polyethylene layer bonded to a side surface
- the total thickness of the first elastomer layer and the second elastomer layer is 55 to 80% of the thickness of the multilayer substrate film, as described in (2) above Gas noria film for medical use, (4)
- the thickness force of the polyethylene layer of the multilayer gas barrier film is characterized in that it is 1 to 2 times the total thickness of the vapor-deposited stretched polyester layer and the stretched polyamide layer. Medical gas barrier film according to 1),
- the multilayer substrate film force is a cylindrical film formed by inflation molding, and the innermost layer of the cylindrical film is the heat seal layer, as described in (1) above Medical gas barrier film,
- a medical gas noria film is welded so as to face the heat seal layer, and the medical gas noria film includes a multilayer gas barrier film and a multilayer base film adhered to the multilayer gas barrier film.
- the multilayer gas barrier film comprises a vapor-deposited stretched polyester layer having an inorganic oxide vapor-deposited layer on one side surface, a stretched polyamide layer adhered to the vapor-deposited stretch-side surface of the vapor-deposited stretched polyester layer, and the stretched A polyethylene layer bonded to a surface of the polyamide layer opposite to the adhesion surface of the vapor deposition layer, and the multilayer substrate film includes a polycyclic olefin layer, an elastomer layer, and a heat seal layer, and The heat-sealable layer is bonded to the other side surface of the vapor-deposited stretched polyester layer.
- a medical bag wherein the medical bag is disposed on the surface opposite to the adhesive surface with the vapor-deposited stretched polyester layer,
- the open end of the multilayer base film in the medical gas noria film is welded, and the medical gas noria film includes the multilayer gas barrier film, the multilayer base film adhered to the multilayer gas barrier film,
- the multilayer gas barrier film comprises a vapor-deposited stretched polyester layer having a vapor-deposited layer of an inorganic oxide on one side surface, and the vapor-deposited stretch A stretched polyamide layer adhered to the surface of the vapor deposition layer of the polyester layer, and a polyethylene layer adhered to the surface opposite to the adhesion surface of the stretched polyamide layer to the vapor deposition layer,
- a tubular film formed by inflation molding which includes a polycyclic polyolefin layer, an elastomer layer, and a heat seal layer, and is adhered to the other side surface of the vapor-stretched polyester layer.
- the heat seal layer is
- the multilayer base film is disposed on the surface opposite to the adhesion surface with the vapor-deposited stretched polyester layer, and is the innermost layer force of the cylindrical multilayer base film, which is the heat seal layer.
- the medical gas noria film of the present invention while maintaining the flexibility, transparency and impact resistance of the film, it is possible to make the gas / water vapor noria properties excellent and to heat the film. Can suppress the deterioration of gas's water vapor barrier property over time due to sterilization treatment and long-term storage, and shika can also suppress the elution of components derived from film components and adhesives .
- FIG. 1 is a schematic cross-sectional view showing a layer configuration of an embodiment of a medical gas barrier film.
- FIG. 2 is a front view showing one embodiment of a medical bag.
- FIG. 3 is a front view showing another embodiment of the medical bag.
- the medical gas barrier film of the present invention comprises:
- a vapor-deposited stretched polyester layer having an inorganic oxide vapor-deposited layer on one surface, a stretched polyamide layer bonded to the surface of the vapor-deposited layer, and an adhesive surface of the stretched polyamide layer with the vapor-deposited layer
- a multilayer gas barrier film comprising a polyethylene layer bonded to the opposite surface
- a multi-layer substrate film including a polycyclic olefin layer, an elastomer layer and a heat seal layer, and
- the heat seal layer force in the multilayer substrate film of (ii) is characterized in that it is disposed on the surface opposite to the surface to be adhered to the vapor-deposited stretched polyester layer.
- the multi-layer gas-nore film has a stretched polyester film force layer (hereinafter referred to as "deposited stretched polyester layer") having an inorganic oxide vapor deposition layer on one surface, and the above-described deposition.
- the stretched polyester layer includes three layers of a stretched polyamide layer adhered to the surface on the vapor deposition layer side and a polyethylene layer adhered to the surface of the stretched polyamide layer opposite to the adhesion surface of the vapor deposition layer.
- the vapor-deposited stretched polyester layer is, for example, a layer provided for imparting gas barrier properties to the entire medical gas barrier film, and an inorganic oxide vapor-deposited layer is formed on the surface of the stretched polyester film. It is formed using what was formed.
- polyester of the stretched polyester film examples include polyethylene terephthalate.
- the stretching treatment of the polyester film may be uniaxial stretching or biaxial stretching.
- biaxial stretching treatment examples include a tubular method biaxial stretching, a tenter method biaxial stretching, and the like.
- the pinhole resistance, strength, heat resistance during vapor deposition treatment, surface smoothness, etc. of the film can be improved.
- Examples of the inorganic oxide forming the vapor deposition layer include alumina (aluminum oxide), silica (silicon oxide), magnesium oxide, titanate, and the like. Among these, alumina is preferable from the viewpoint of transparency of the vapor deposition layer.
- alumina vapor-stretched stretched polyester film whose vapor-deposited layer is alumina
- a transparent barrier film trade name “GL Family” manufactured by Toppan Printing Co., Ltd .
- GL—AEH base material: PET
- GL—AU base material: PET
- GL—AE base material: PET
- transparent barrier film manufactured by Toray Film Processing Co., Ltd.
- the ratio of the thickness of the vapor-deposited stretched polyester layer is preferably 15 to 35%, more preferably 10 to 30% with respect to the thickness of the multilayer gas barrier film, and the total thickness of the medical gas barrier film. On the other hand, it is preferably 3 to 10%, more preferably 5 to 7%. Further, the thickness of the vapor-deposited stretched polyester layer is preferably 7 to 20 / ⁇ ⁇ , more preferably 9 to 15 ⁇ m.
- the stretched polyamide layer is, for example, a layer provided to protect the deposited layer of the deposited stretched polyester layer, and is formed using a stretched polyamide film.
- Examples of the polyamide of the stretched polyamide film include nylon 1, 6, nylon 1, 6, nylon 6, 10, nylon 6, 12, nylon 11, nylon 12, and the like.
- the stretching treatment of the polyamide film may be uniaxial stretching or biaxial stretching.
- Specific examples of the biaxial stretching treatment include, for example, a tubular method, a biaxial stretching method, and a tenter method. axis Drawing etc. are mentioned.
- stretched polyamide film examples include a biaxially stretched nylon film (trade name “Emblem (registered trademark)” series; “Emblem ONMB”, etc.) manufactured by Unitika Ltd.
- the ratio of the thickness of the stretched polyamide layer is preferably 15 to 35%, more preferably 20 to 30% with respect to the thickness of the multilayer gas barrier film, and the thickness of the medical gas barrier film with respect to the entire thickness. Preferably, it is 3 to 10%, more preferably 5 to 10%. Further, the thickness of the stretched polyamide layer is preferably 7 to 20 ⁇ m, more preferably 10 to 15 ⁇ m.
- the polyethylene layer in the multilayer gas noor film is a layer that forms the outermost layer of the medical bag when the medical bag is formed using the medical gas barrier film of the present invention. This layer is provided to protect the surface of the skin and to provide a soft touch and feel to the medical gas barrier film.
- polyethylene film forming the polyethylene layer examples include various polyethylene films that are not limited by density ranges such as high density and low density; molecular structures such as straight chain; and production methods such as high pressure method and low pressure method. Can be mentioned.
- the polyethylene film may be composed of one kind of polyethylene and may be a mixture of two or more kinds.
- the polyethylene film may be a laminated film of two or more kinds of polyethylene.
- a strong laminated film for example, a high-density polyethylene having a density of 0.950 to 0.970 gZcm 3 is arranged on both sides of a linear polyethylene film having a density of 0.910-0.930 g / cm 3 3 Examples thereof include a layer film.
- the properties such as moldability and strength of the medical gas noor film of the present invention can be further improved. it can. Further, the ratio of the thickness of each of the high-density polyethylenes in the three-layer film is preferably 0.2 to 0.00 with respect to the thickness of the linear polyethylene. 3 times, more preferably 0.22 to 0.28 times.
- the thickness of the polyethylene layer is preferably 1 to 2 times, more preferably 1.2 to 1 with respect to the total thickness of the alumina vapor-deposited stretched polyester layer and the stretched polyamide layer. 8 times.
- the thickness of the polyethylene layer is preferably about 5 to 30 m.
- a multilayer gas noor film can be produced by forming the above-mentioned three kinds of films, ie, an alumina-deposited stretched polyester layer, a stretched polyamide layer, and a polyethylene layer, separately, and laminating them by various laminating methods.
- a laminating method a dry laminating method using an adhesive is preferable among various forces that can be employed.
- the thickness of the entire multilayer gas noor film is not particularly limited, for example, about 30 to 80 ⁇ m is preferable!
- the adhesive used in the dry laminating method various adhesives used in the production of laminated films can be used.
- the product name “Takelac” series (“Takelac A315”, etc.) manufactured by Mitsui Takeda Chemical Co., Ltd. and the product name “Takenate” series manufactured by the same company can be cited.
- the adhesive is preferably the one with less component that elutes the multilayer gas noel film force.
- adhesives that can be used include dry lamination adhesives composed of at least a main agent and a curing agent, and can also be used in combination with the following main agents and curing agents (Japanese Patent Application Publication No. 1). 2000-309770, Japanese Patent Application Publication No. 2000-351953 and Japanese Patent Application Publication No. 2002-155260).
- Main agent Polyether, a polyether polyurethane-based resin obtained by extending a resin that can be combined with glycols and Z or amines with di-socyanates; Aromatic carboxylic acids, alicyclic carboxylic acids, aliphatic carboxylic acids Polyester resin that can be combined with at least one acid selected from the group consisting of acid and unsaturated carboxylic acid, ester or rataton thereof, and at least one glycol; polyester obtained by extending the above polyester resin with diisocyanate Urethane-diol resin; dimer fatty acids and their A polyester resin comprising at least one selected from the group of stelka and at least one glycol (at least one glycol selected from the group of aromatic dicarboxylic acids and their ester compounds); Polyester-urethane-diol resin obtained by extending the above polyester resin with diisocyanates; a polyester that also has at least one selected from the group consisting of dimer fatty acids, hydrogenated products thereof, and ester carbon
- Curing agent a trimethylolpropane isocyanate-attached case, diisocyanate-based biuret or trimer.
- an extrusion laminating method can be employed instead of the dry laminating method.
- an adhesive resin may be used instead of the adhesive, and the molding conditions of a known extrusion lamination method may be employed.
- the adhesive resin is preferably a polyolefin such as polyethylene, for example, maleic acid, fumaric acid, tetrahydrophthalic acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid, nadic acid, acrylic Examples thereof include modified polyolefin obtained by graft copolymerization with an unsaturated carboxylic acid such as acid or methacrylic acid or an anhydride thereof.
- the multilayer base film is provided on the other surface (the surface opposite to the surface having the vapor deposition layer) of the vapor-deposited stretched polyester layer in the multilayer gas barrier film, A laminate having an elastomer layer and a heat seal layer.
- the polyolefinic olefin layer may cause adverse effects such as exfoliation of the vapor-deposited layer of the vapor-deposited stretched polyester film by leaching out the material derived from the adhesive as well as the multilayer gas-nore film force, and by the permeation of moisture. It is a layer provided to prevent
- Polycyclic olefins forming the polycyclic olefin layer include, for example, a copolymer of ethylene and a dicyclopentagen compound, a copolymer of ethylene and a norbornene compound, and the opening of a cyclopentagen compound.
- examples thereof include ring polymers, ring-opening copolymers composed of two or more types of cyclopentagen compounds, and hydrogenated products thereof.
- the hydrogenated product that is a saturated polymer is further excellent in water vapor barrier property and gas barrier property, and is effective in preventing absorption and absorption (absorption, adsorption) of a drug, Since it is excellent in terms of heat resistance, transparency, stability and the like, it is suitable as a material for forming a polycyclic olefin layer in the present invention.
- a hydrogenated product of a copolymer of ethylene and a norbornene-based compound, and ring-opening (co-polymerization of one or more cyclopentagen derivatives) are particularly preferable.
- a hydrogenated product of the polymer is particularly preferable.
- polycyclic olefin examples include, for example, a polymer having a repeating unit represented by the following general formula (1) and a repeating unit represented by the following general formula (1 ′), and a general formula (2) below. Mention may be made of polymers having the repeating units indicated.
- R 2 ′, R 3 and R 4 independently represent a polar group such as a hydrogen atom, a hydrocarbon residue, a halogen atom, ester, nitrile, pyridyl and the like.
- R 1 and R 2 , R 1 ′ and R 2 ′, R 3 and R 4 may be bonded to each other to form a ring.
- m, m ′, X and z represent an integer of 1 or more
- n, n ′ and y represent 0 or an integer of 1 or more.
- the polymer having a repeating unit represented by the general formulas (1) and (1 ′) is obtained by polymerizing one or more norbornene monomers by a known ring-opening polymerization method, or the ring-opening thus obtained.
- the polymer is hydrogenated according to a conventional method.
- the polymer having the structural unit represented by the general formula (2) is obtained by copolymerizing one or two or more norbornene monomers and ethylene by a known method, or the like.
- the polycyclic olefin is not particularly limited, but its glass transition temperature (Tg) is preferably 70 ° C or higher, more preferably 80 to 150 ° C.
- the molecular weight of the polyolefin is not particularly limited, but the number average molecular weight Mn> measured by gel permeation chromatography (GPC) analysis using cyclohexane as a solvent is preferably 10,000 to 100,000, more preferably 20,000 to 50,000.
- the hydrogenation rate is not particularly limited, but preferably 90% Above, more preferably 95% or more, still more preferably 99% or more.
- polycyclic olefins include, for example, cyclic olefin copolymers (trade name “Abel (registered trademark)” series) manufactured by Mitsui Chemicals, Inc., and optical resin ("Arton” manufactured by JSR Corporation). Registered trademark) ”), general-purpose transparent engineering plastic (trade name“ Zeonor (registered trademark) ”series) manufactured by Nippon Zeon Co., Ltd.), and product name“ Topas ”manufactured by Ticona GmbH.
- a mixed resin of polycyclic polyolefin and polyolefin resin may be used for the polycyclic polyolefin layer.
- polystyrene resin examples include polyethylene (PE) homopolymer, ethylene and ⁇ -olefins having 3 to 12 carbon atoms (for example, butene-1, pentene 1, hexene 1,4-methyl-1 pentene, otaten 1, Copolymer with decene 1), polypropylene ( ⁇ ) homopolymer, propylene and 2-12 carbon a-olefins (e.g., ethylene, butene-1, pentene1, hexene 1, 4-methyl-1-pentene, Otaten 1, decene 1 etc.) and the like.
- PE polyethylene
- ⁇ polypropylene
- ⁇ propylene and 2-12 carbon a-olefins
- the mixed resin of polycyclic olefin and polyolefin resin for example, with respect to polycyclic olefin, a density of 0.910 to Those of polyethylene 0. 930gZcm 3 and 5 to 40 wt 0/0 compounding and the like.
- the ratio of the thickness of the polyolefin polyolefin layer is preferably about 3 to 10% of the multilayer base film, and preferably about 5 to 10% of the total thickness of the medical gas noor film. That's right.
- the thickness of the polycyclic olefin layer is preferably about 10 to 20 m.
- the elastomer layer is a layer provided to protect the polycyclic olefin fins because they are hard and brittle, and is disposed on both surfaces of the poly cyclic olefin layer.
- Examples of the elastomer of one elastomer layer include polyolefin elastomers, styrene elastomers, urethane elastomers, and the like.
- polyolefin-based elastomers examples include linear polyethylene elastomers, ethylene ' ⁇ -olefin copolymer elastomers, propylene' a-olefin copolymer elastomers, and the like.
- ⁇ -olefin examples include a-olefins having 3 to 6 carbon atoms such as propylene, 1-butene, 1 pentene, 1-hexene, 4-methyl 1-pentene, and preferably 1-butene Is mentioned.
- styrene elastomer examples include styrene ethylene Z butylene styrene block copolymer (SEBS), styrene butadiene styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS), and maleic acid.
- SEBS styrene ethylene Z butylene styrene block copolymer
- SBS styrene butadiene styrene block copolymer
- SIS styrene isoprene styrene block copolymer
- maleic acid examples include modified SEBS, styrene ethylene Z propylene styrene block copolymer (SE PS), styrene ethylene Z butylene block copolymer (SEB), and styrene ethylene Z propylene block copolymer (SEP).
- urethane-based elastomers examples include thermoplastic polyurethanes (trade name "Resamine P") manufactured by Dainichi Seika Kogyo Co., Ltd., and thermoplastic polyurethanes (trade name “ESTEN” manufactured by Kyowa Hakko Chemical Co., Ltd.). )) And other commercial products.
- the elastomer layer is one of the above exemplified elastomers.
- an ethylene 'a-olefin copolymer elastomer which is preferably a polyolefin elastomer.
- the elastomer layer illustrated above includes one elastomer layer, Linear positethylene with a density of 0.910-0.930 g Zcm 3 and a density of 0.950-0.970 g
- the ratio of the thickness of one elastomer layer (when two or more elastomer layers are provided, the total thickness of each elastomer layer) is preferably about 55 to 80% of the multilayer substrate film.
- the thickness is preferably about 43 to 62% of the total thickness of the medical gas noor film.
- the thickness of one elastomer layer is preferably about 80 to 125 ⁇ m.
- the heat seal layer is the innermost layer when a medical bag is formed using the medical gas-noria film of the present invention.
- Examples of the material for forming the heat seal layer include polyolefin.
- polyethylene is preferable, and linear polyethylene having a density of 0.925-0.945 g / cm 3 is more preferable.
- a so-called easy peel seal is formed on the partition wall that separates the storage chambers.
- the polyethylene has a different melting point and is poorly compatible with each other, such as polypropylene.
- the fat may be mixed at a ratio of 10 to 40 weight 0/0.
- the thickness ratio of the heat seal layer is preferably about 10 to 25% of the thickness of the multilayer base film, and preferably about 8 to 19% of the total thickness of the medical gas noor film. Good.
- the thickness of the heat seal layer is preferably about 15 to 30 / ⁇ ⁇ .
- Polyethylene for forming the polyethylene layer in the multilayer base film is not particularly limited, and for example, linear polyethylene having a density of 0.930-0.950 gZcm 3 or the above-mentioned linear to Jo polyethylene, in a mixing ratio of density 0.5 950-0. total 15 to 40 weight high density polyethylene ethylene 970gZcm 3 0/0.
- the ratio of the thickness of the polyethylene layer is preferably about 20 to 30% of the multilayer base film, and is preferably about 14 to 24% of the total thickness of the medical gas noor film.
- the thickness of the polyethylene layer is preferably about 30 to 50 m.
- the multilayer substrate film include, but are not limited to, for example, a pair of the above-mentioned elastomer layers disposed on both surfaces of the above polycyclic olefin layer, and one elastomer.
- the heat seal layer is disposed on the surface opposite to the adhesive surface with the polycyclic polyolefin layer
- the other elastomer layer is disposed on the surface opposite to the adhesive surface with the polycyclic olefin layer.
- a laminate having a five-layer structure in which the polyethylene layer is arranged can be mentioned. Further, a laminate having a four-layer structure without the polyethylene layer may be used.
- the multilayer base film can be produced by molding the resin and elastomer material forming the laminate by various coextrusion molding methods.
- the multilayer substrate film can be formed as a tubular inflation film by an inflation method. In this case, it is necessary to mold so that the heat seal layer is disposed inside the inflation film.
- the medical gas barrier film of the present invention can be produced by laminating the multilayer gas barrier film and the multilayer substrate film by a known method.
- the above-mentioned dry lamination is preferable.
- the adhesive to be used include the same adhesives as those used for the production of the multilayer gas noor film.
- the multilayer gas barrier film may be laminated on both the front and back surfaces of the tubular multilayer substrate film folded in a plane. !
- the overall thickness of the medical gas noor film is not particularly limited, but is preferably about 180 to 240 / ⁇ ⁇ , more preferably about 190 to 220 / ⁇ ⁇ .
- the medical gas barrier film described above since it has a vapor-deposited stretched polyester layer having a vapor-deposited layer of inorganic oxide and a polycyclic polyolefin layer, it has excellent gas / water vapor norativity of a medical gas-nore film. It can be.
- From the vapor deposition layer of the vapor deposition stretch polyester layer The medical bag Since the stretched polyamide layer and polyethylene layer are placed between the outer surfaces of the film and sufficient thickness is secured, even when the medical gas-nore film is subjected to heat sterilization treatment at a high temperature.
- the above-described medical gas-noria film has the above-mentioned polyethylene layer and one elastomer layer, sufficient flexibility is imparted to the entire film, and in particular, a vapor-deposited stretched polyester layer or a stretched polyamide. Since the polyethylene layer is provided on the surface side of the film with respect to the layer, it is possible to suppress the occurrence of stripes on the surface when an infusion bag or the like is formed.
- the medical gas-noria film has a polycyclic polyolefin layer, and the multilayer substrate film including the polycyclic polyolefin layer is formed without using an adhesive. Therefore, it is possible to suppress the dissolution of the components derived from the blending components and adhesives of the surface force film on the heat seal layer side.
- the medical gas nozzle film of the present invention is welded so as to face the heat seal layer, or
- the medical gas noor film of the present invention formed by forming a multilayer substrate film by an inflation method, wherein the open end of the multilayer substrate film is welded,
- the medical gas noor film 2 of the present invention is used.
- the sheets may be formed into a bag shape by overlapping the heat seal layers so that the heat seal layers face each other and heat-sealing the peripheral edge.
- the heat seal condition of the peripheral edge is not limited to this, but is 170 ° C or higher, preferably 180 to 200 ° C, and about 3 to 5 seconds.
- the medical bag of the present invention may be a so-called multi-chamber bag including two or more storage chambers partitioned by an easily peelable seal portion.
- the heat seal temperature for forming the easy peel seal is not limited to this. For example, easy peel even after sterilizing a medical bag at 105 to 115 ° C. It is set appropriately so that the peel strength of the seal can be set in the range of 3.92-5.
- Specific heat sealing conditions are set according to the type of the resin forming the heat sealing layer. For example, the heat sealing conditions are preferably 140 to 155 ° C, more preferably 140 to 145 ° C. , About 4-5 seconds.
- the peel strength was measured according to the method described in JIS Z 0237 "Testing method for adhesive tape and adhesive sheet” (180 degree peeling method). The peel strength is determined by cutting a flexible plastic film with a width of 15 mm starting from an easily peelable seal portion, and a pair of film portions of the measurement sample obtained in this way are 200 mm Z min. It is measured as the strength (NZl5mm) when the easy peel seal peels.
- a material exhibiting excellent gas's water vapor barrier property is also used for the member of the medical bag. I hope to do it.
- a mouth member examples include a polyethylene mouth member provided with a layer such as an ethylene butyl alcohol copolymer (EVOH) or a polycyclic olefin in the inside.
- EVOH ethylene butyl alcohol copolymer
- a polycyclic olefin in the inside.
- the medical bag of the present invention is preferably one in which the entire medical bag is subjected to a heat sterilization treatment in a state where the medical bag is filled and sealed.
- the medical gas barrier film forming the medical bag is provided with the polycyclic polyolefin layer, and the vapor of the multilayer gas noor film. Since the vapor-deposited layer in the stretched polyester layer is disposed on the side opposite to the multilayer substrate film side and protected by the stretched polyamide layer, even when subjected to heat sterilization at high temperatures In addition, it is possible to exhibit excellent gas / water vapor barrier properties, and it is also possible to prevent deterioration of the deposited layer and maintain excellent gas / water vapor barrier properties.
- the medical gas barrier film forming the medical bag is provided with a polycyclic olefin layer, and the multilayer base film including the poly cyclic olefin layer is bonded. Since it is formed without the use of an agent and is placed inside a medical bag rather than a multilayer gas noor film that uses an adhesive during lamination, the composition of the film It is possible to suppress elution of components and components derived from adhesives.
- a multilayer gas barrier film 10 having a total thickness of 60 ⁇ m was produced (see FIG. 1).
- the stretched polyamide layer 15 was laminated on the surface 11a of the vapor deposition layer 13 of the alumina vapor deposition stretched polyester layer 11 via the adhesive layer 14.
- the polyethylene layer 17 was laminated on the surface 15b of the stretched polyamide film 15 on the opposite side to the adhesive surface 15a with the adhesive layer 13 through the adhesive layer 16.
- the film materials used for the production of the multilayer gas barrier film 10 are as follows. • Alumina vapor-deposited stretched polyester film: Biaxially stretched PET film with alumina vapor-deposited (the total thickness of vapor-deposited layer 13 and stretched polyester film 12 is m, Vapor deposition layer 13 with a thickness of about 20 nm, transparent barrier film manufactured by Toppan Printing Co., Ltd., trade name “GL-AEH”)
- Stretched polyamide film Biaxially stretched nylon film (thickness 15 ⁇ m, manufactured by Unitika Ltd., trade name “Emblem ONMBJ”)
- a cylindrical multilayer substrate film (total thickness 160 ⁇ m) 22 consisting of a five-layer structure consisting of one layer 26 and a polyethylene layer 27 with a thickness of 15 m, with the heat seal layer 23 arranged on the inside is prepared. (See Figure 1).
- the material for forming each layer constituting the multilayer base film 22 is as follows.
- 'Heat seal layer 23 Linear polyethylene (density 0.930g / cm 3 , trade name “Ultzettas 3020L” manufactured by Mitsui Chemicals, MFR2. LgZlO (190 ° C))
- I-th elastomer layer 24 and 2nd elastomer layer 26 Linear polyethylene elastomer (density 0.885 gZcm 3 , manufactured by Mitsui Chemicals, Inc., trade name “Toughmer A0585”, MFR 0.5 gZ 10 minutes (190 ° C) ) 70% by weight, linear polyethylene (density 0. Mitsui Chemicals under the trade name "Urutozettasu 2010", MFR1. OgZlO min (190 ° C) 25 weight 0/0, and high density polyethylene (density 0. 965gZcm 3, manufactured by Mitsui Chemicals, Inc. part number "NZ65150”, MFR1 6GZlO min (190 ° C)) 5% by weight of mixed fat
- Polycyclic olefin fin layer 25 Hydrogenated product of norbornene-based ring-opening polymer (trade name “Zeonor 1020R” manufactured by Nippon Zeon Co., Ltd., specific gravity 1.01, glass transition temperature (Tgl05 ° C)
- polyethylene layer 27 Linear polyethylene (density 0.940 g / cm 3 , manufactured by Mitsui Chemicals, Inc. Product name "Ultzettas 4020L", MFR2.
- Both sides of the multilayer substrate film obtained in (2) above folded in a flat shape by dry lamination that is, the surface of the multilayer substrate film 22 on the polyethylene layer 27 side
- the surface of the multilayer gas barrier film obtained in (1) on the alumina vapor-deposited stretched polyester film side was laminated via the layer 21 made of the adhesive.
- One open end 31 of the cylindrical medical gas nore film obtained in the above (3) is heat-sealed in a state of sandwiching the following member 34, and the other open end 32 and the multilayer substrate film are sealed. 2 was heat-sealed with the peripheral edge portion 33 of the multilayer gas barrier film laminated on the surface, to obtain a medical bag 30 shown in FIG.
- a mouth port 34 made of polyethylene provided with a layer of ethylene butyl alcohol copolymer (EVOH) in the middle was used. Opening of medical gas nore film 31, 32 and peripheral edge (joint part of multi-layer gas barrier film laminated on the surface of multi-layer base film) 33 heat seal at 170 ° C for 4.5 seconds did. In addition, the part port 34 was preheated at 740 ° C. and then fixed by heat sealing at 160 ° C. for 4.5 seconds through the medical gas noor film.
- EVOH ethylene butyl alcohol copolymer
- the storage chamber of the medical bag 40 was filled with 500 mL of distilled water and sealed.
- a multilayer gas noor film was produced in the same manner as in Example 1 (1).
- One open end 41 in the cylindrical medical gas noria film obtained in (3) above is heat-sealed with the same mouth member (mouth port 34) used in Example 1 sandwiched therebetween,
- the other open end 42 and the seam portion (peripheral portion) 43 of the multi-layer gas barrier film laminated on the surface of the multi-layer base film are heat-sealed, and an easy peel seal portion 44 is further provided in the medical bag storage chamber.
- a medical bag (multi-chamber bag) 40 shown in FIG. 4 was obtained.
- the heat sealing of the open end portions 41 and 42 of the medical gas barrier film and the peripheral portion (the joint portion of the multilayer gas barrier film laminated on the surface of the multilayer base film) 43 is 4.5 at 170 ° C.
- the heat-sealing of the easily peelable seal 44 was performed at 130 ° C for 4.5 seconds.
- the member was fixed by pre-heating at 740 ° C and then heat-sealing at 160 ° C for 4.5 seconds through the medical gas noria film.
- the large storage chamber 45 of the medical bag 40 was filled with 700 mL of distilled water, and the small storage chamber 46 was filled with 300 mL of distilled water and sealed.
- the medical gas noor film is the same as in Example 1 except that the polycyclic polyolefin layer 25 is not provided in the multilayer base film 22. Manufactured. Further, the medical bag shown in FIG. 2 was produced in the same manner as in Example 1 except that the thus obtained medical gas noria film was used.
- multilayer gas noria film having the layer structure shown in Fig. 1, multilayer gas noria film
- the vapor-deposited stretched polyester layer 11 of the film 10 is manufactured in the same manner as in Example 1 except that the lamination direction of the stretched polyester film 12 and the vapor-deposited layer 13 is reversed. did. Further, the medical bag shown in FIG. 2 was produced in the same manner as in Example 1 except that the thus obtained medical gas noria film was used.
- the polyethylene gas layer 17 of the multilayer gas nolia film is not provided and the thickness of the stretched polyamide layer is set to 30 ⁇ m.
- a medical gas-noria film was produced.
- the medical bag shown in FIG. 2 was produced in the same manner as in Example 1 except that the thus obtained medical gas noria film was used.
- the medical bags obtained in Examples 1 and 2 and Comparative Examples 1 to 3 were subjected to high-pressure steam sterilization (1 10 ° C, 60 minutes), and then the test pieces were cut out.
- Oxygen permeability (cm 3 Zm 3 * day) is measured under the conditions of a temperature of 20 ° C and a humidity of 60% RH.
- the oxygen permeability measuring machine (manufactured by MOCON (USA), model name “OXTRAN” 2/20 J).
- the oxygen permeability is preferably 0.2 cm Vm 3 -day or less, more preferably 0.1 cm 3.
- the sterilization shrinkage (%) is calculated by comparing the length of the test piece cut out from the medical bag force before the high-pressure steam sterilization treatment with the above-mentioned test piece. Shows the degree of contraction of the medical gas noria film.
- the sterilization shrinkage ratio is preferably 2.5% or less, more preferably 1.0% or less for MD, and preferably 2.5% or less, more preferably 1 for TD. Less than 0%
- the medical bags of Examples 1 and 2 satisfied the standard value for any of the evaluation items in the test of (1) above. In contrast, in the medical bag of Comparative Example 1, elution of the substance derived from the adhesive was observed.
- the medical bags of Examples 1 and 2 both had a transparency of 82.5%, an oxygen transmission rate of 0.04 cm Vm 3 -day (20 ° C, 60% RH), and a water vapor transmission rate. 0.18g / m 2 -day (40 ° C, 90% RH), sterilization shrinkage rate is 1.3 (MD), -0.3 (TD), excellent gas / water vapor barrier property, sterilization The shrinkage rate due to the treatment was very low. In contrast, in the medical bags of Comparative Examples 2 and 3, the oxygen transmission rate and the water vapor transmission rate are increased by sterilization, and the medical bag of Comparative Example 3 is sterilized. As a result, a decrease in transparency was observed.
- the medical gas noria film of the present invention is suitable as a material for forming medical bags or the like that contain a drug that easily deteriorates due to gas or water vapor such as oxygen in medical applications.
- the medical bag of the present invention is suitable for medical applications, particularly for applications that contain drugs that are liable to be deteriorated by gas such as oxygen or water vapor.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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ES05793171T ES2457815T3 (es) | 2004-10-18 | 2005-10-13 | Película de barrera frente a los gases para uso médico y bolsas médicas obtenidas mediante el uso de la misma |
EP20050793171 EP1803552B1 (en) | 2004-10-18 | 2005-10-13 | Gas barrier film for medical use and medical bags made by using the same |
AU2005297712A AU2005297712B2 (en) | 2004-10-18 | 2005-10-13 | Gas barrier film for medical use and medical bags made by using the same |
CA 2583807 CA2583807C (en) | 2004-10-18 | 2005-10-13 | Medical gas barrier film and medical bag using the same |
JP2006542925A JP4717007B2 (ja) | 2004-10-18 | 2005-10-13 | 医療用ガスバリアフィルムおよびそれを用いた医療用バッグ |
US11/665,384 US7914867B2 (en) | 2004-10-18 | 2005-10-13 | Medical gas barrier film and medical bag using the same |
CN2005800357130A CN101044021B (zh) | 2004-10-18 | 2005-10-13 | 医疗用阻气薄膜及使用它的医疗用袋 |
HK07112515A HK1107058A1 (en) | 2004-10-18 | 2007-11-15 | Gas barrier film for medical use and medical bags made by using the same |
Applications Claiming Priority (2)
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JP2004302987 | 2004-10-18 | ||
JP2004-302987 | 2004-10-18 |
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WO2006043459A1 true WO2006043459A1 (ja) | 2006-04-27 |
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PCT/JP2005/018834 WO2006043459A1 (ja) | 2004-10-18 | 2005-10-13 | 医療用ガスバリアフィルムおよびそれを用いた医療用バッグ |
Country Status (12)
Country | Link |
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US (1) | US7914867B2 (ja) |
EP (1) | EP1803552B1 (ja) |
JP (1) | JP4717007B2 (ja) |
KR (1) | KR101150566B1 (ja) |
CN (1) | CN101044021B (ja) |
AU (1) | AU2005297712B2 (ja) |
CA (1) | CA2583807C (ja) |
ES (1) | ES2457815T3 (ja) |
HK (1) | HK1107058A1 (ja) |
MY (1) | MY139251A (ja) |
TW (1) | TWI301411B (ja) |
WO (1) | WO2006043459A1 (ja) |
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KR100801860B1 (ko) | 2007-01-08 | 2008-02-11 | 케미타운 주식회사 | 기능성수액용 고차단성 다층필름 |
WO2008102733A1 (ja) | 2007-02-23 | 2008-08-28 | Otsuka Pharmaceutical Factory, Inc. | 多層フィルムおよび容器 |
WO2009014032A1 (ja) * | 2007-07-20 | 2009-01-29 | Otsuka Pharmaceutical Factory, Inc. | 薬剤容器および多層フィルム |
WO2009066752A1 (ja) * | 2007-11-22 | 2009-05-28 | Mitsubishi Tanabe Pharma Corporation | 環状ポリオレフィン層を含むプラスチック容器 |
JP2009219792A (ja) * | 2008-03-18 | 2009-10-01 | Nipro Corp | 医療用複室容器 |
JP2010503493A (ja) * | 2006-09-15 | 2010-02-04 | ベクトン・ディキンソン・アンド・カンパニー | 低摩擦を示すコーティングされた面を有する医療部品およびスティクションを低下させる方法 |
JP2010081971A (ja) * | 2008-09-29 | 2010-04-15 | Terumo Corp | エダラボンのプレミックス製剤 |
JP2010201648A (ja) * | 2009-02-27 | 2010-09-16 | C I Kasei Co Ltd | 多層フィルム及び容器 |
JP2013039354A (ja) * | 2011-07-20 | 2013-02-28 | Nitto Denko Corp | 貼付製剤 |
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- 2005-10-13 US US11/665,384 patent/US7914867B2/en not_active Expired - Fee Related
- 2005-10-13 KR KR1020077010517A patent/KR101150566B1/ko active IP Right Grant
- 2005-10-13 WO PCT/JP2005/018834 patent/WO2006043459A1/ja active Application Filing
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JP2010503493A (ja) * | 2006-09-15 | 2010-02-04 | ベクトン・ディキンソン・アンド・カンパニー | 低摩擦を示すコーティングされた面を有する医療部品およびスティクションを低下させる方法 |
KR100801860B1 (ko) | 2007-01-08 | 2008-02-11 | 케미타운 주식회사 | 기능성수액용 고차단성 다층필름 |
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JP2010081971A (ja) * | 2008-09-29 | 2010-04-15 | Terumo Corp | エダラボンのプレミックス製剤 |
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JP2013039354A (ja) * | 2011-07-20 | 2013-02-28 | Nitto Denko Corp | 貼付製剤 |
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Also Published As
Publication number | Publication date |
---|---|
AU2005297712B2 (en) | 2010-08-19 |
TWI301411B (en) | 2008-10-01 |
CN101044021B (zh) | 2011-05-18 |
CN101044021A (zh) | 2007-09-26 |
CA2583807C (en) | 2012-07-10 |
KR20070085296A (ko) | 2007-08-27 |
JP4717007B2 (ja) | 2011-07-06 |
EP1803552B1 (en) | 2014-01-22 |
EP1803552A4 (en) | 2013-01-02 |
CA2583807A1 (en) | 2006-04-27 |
JPWO2006043459A1 (ja) | 2008-05-22 |
ES2457815T3 (es) | 2014-04-29 |
US20080063825A1 (en) | 2008-03-13 |
EP1803552A1 (en) | 2007-07-04 |
AU2005297712A1 (en) | 2006-04-27 |
KR101150566B1 (ko) | 2012-06-08 |
MY139251A (en) | 2009-09-30 |
HK1107058A1 (en) | 2008-03-28 |
US7914867B2 (en) | 2011-03-29 |
TW200626126A (en) | 2006-08-01 |
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