WO2006067963A1 - ストリップテープ製造方法及び容器用ストリップテープ - Google Patents
ストリップテープ製造方法及び容器用ストリップテープ Download PDFInfo
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- WO2006067963A1 WO2006067963A1 PCT/JP2005/022432 JP2005022432W WO2006067963A1 WO 2006067963 A1 WO2006067963 A1 WO 2006067963A1 JP 2005022432 W JP2005022432 W JP 2005022432W WO 2006067963 A1 WO2006067963 A1 WO 2006067963A1
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- WIPO (PCT)
- Prior art keywords
- ethylene
- strip tape
- copolymer
- film
- container
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2405/00—Adhesive articles, e.g. adhesive tapes
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
- Y10T156/1057—Subsequent to assembly of laminae
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1059—Splitting sheet lamina in plane intermediate of faces
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
- Y10T156/1087—Continuous longitudinal slitting
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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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
- Y10T428/1307—Bag or tubular film [e.g., pouch, flexible food casing, envelope, etc.]
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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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
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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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
- Y10T428/1341—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
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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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
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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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24364—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.] with transparent or protective coating
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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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24446—Wrinkled, creased, crinkled or creped
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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
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
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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
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
Definitions
- the present invention relates to a method for producing a strip tape used for forming a container for filling a liquid food such as juice or milk, and a strip tape for the container.
- Packaging containers for milk, juice, beverages such as mineral water, liquid foods, etc., for example, fibrous base materials (for example, paper, etc.) Z laminates of thermoplastic material layers are creased, and the appearance
- a packaging laminate material such as a web-like packaging material on which a design is printed can be obtained.
- a strip tape is attached to the inner edge of the web-shaped packaging laminate material to protect the container wall end surface at the overlap seal of the container wall of the container, and the web-shaped packaging laminate material is stripped in the longitudinal direction.
- the tube-shaped packaging material is filled with food, the tube-shaped packaging material is transversely sealed in the transverse direction, formed into a pillow-shaped primary shape, cut into individual pieces, and folded. Fold along the line of sight to form the final shape.
- the final shape includes a brick shape, an octagonal prism shape, and a regular tetrahedron shape.
- FIG. 2 shows a perspective view in which a partial cross-section of an example container is enlarged.
- an overlapping vertical seal portion 3 of the container wall is formed from the container top surface 2 to the container rear side surface (not shown) and the container bottom surface (not shown).
- the packaging material 4 of the container wall overlaps to form a seal.
- a strip tape 6 is sealed on both sides of the inner end face 5 of the vertical seal portion 3 with the edge of each packaging material, and protects the end face 5 so as to cover it.
- the strip tape 6 covers and protects the end face, the liquid can be prevented from penetrating into the container wall.
- the strip tape is usually made of a thermoplastic resin such as low density polyethylene. (See Patent Document 1) [0005]
- the strip tape has a barrier layer in addition to the inner and outer layers made of thermoplastic resin such as low density polyethylene.
- Materials used for the NORA layer include polyester film, ethylene butyl alcohol copolymer (EVOH), poly vinylidene chloride (PVDC), poly butyl alcohol (PVA), M XD (methylxylylene diamine), There are aluminum foil, aluminum vapor deposition film, and transparent vapor deposition film with silica (SiOx) or alumina (A1203) vapor deposited on the film surface instead of aluminum.
- EVOH ethylene butyl alcohol copolymer
- PVDC poly vinylidene chloride
- PVA poly butyl alcohol
- M XD methylxylylene diamine
- Patent Document 1 Japanese Patent Laid-Open No. 2001-354916
- EVOH has a good gas barrier performance but is weak in moisture resistance, and its barrier property is degraded by moisture, and is expensive.
- a polyester film is inferior in barrier properties but is excellent in mechanical strength and water resistance and inexpensive. Not necessarily suitable for strip tape for liquid food containers.
- the present invention is suitable for the function of the laminated strip tape that protects the end face of the container wall in the overlapping seal portion of the container wall of the container, that is, it has waterproofness and mechanical strength as a whole, and
- the seal part has heat sealability, and the part covering the end wall of the vessel is excellent in gas-nore, and the force can protect materials affected by external moisture and air in the layer inside the strip tape.
- Another object of the present invention is to provide an inexpensive tape manufacturing method and tape suitable for a strip tape for liquid food containers and having excellent gas-nore property.
- the strip tape manufacturing method of the present invention that solves this problem is a method of manufacturing a laminated strip tape that protects the end face of the container wall in the overlapping seal portion of the container wall of the container,
- an ethylene-bulcoalcohol-containing liquid contains an aqueous medium, a hydrophilic ethylene'vinyl alcohol copolymer dispersed in the aqueous medium, and an ethylene'bulcoalcohol copolymer. It consists of fine layered silicate that is uniformly dispersed.
- the container strip tape of the present invention is a laminated strip tape for protecting the end face of the container wall in the overlapping seal portion of the container wall of the container,
- An intermediate layer made of a stretched polyester film
- An ethylene 'bulualcohol copolymer belt-shaped coating film formed on the surface of the intermediate layer and formed in the central zone in the transverse direction of the strip tape; and an uncoated film zone formed on both side bands of the coating film;
- a heat-sealable outermost layer such as a heat-sealable polyolefin ink formed on both outer sides of the strip tape;
- ethylene 'bulualcohol copolymer belt-like film strength ethylenezenyl alcohol copolymer-containing liquid force hydrophilic aqueous ethylene-bulualcohol copolymer remaining after evaporation of the aqueous medium; It consists of a minute layered silicate that is uniformly dispersed in an ethylene-bulualcohol copolymer.
- the intermediate layer made of a stretched polyester film imparts heat resistant mechanical strength to the entire strip tape, maintains the shape of the tape even in a high temperature atmosphere during the manufacturing process, and has gas nooriety. Can be granted.
- the strip of ethylene 'butyl alcohol copolymer applied to the surface of the intermediate layer is Since it is formed in the central zone in the transverse direction of the tape, sufficient gas nozzle can be applied to the portion that is formed facing the end face of the vessel wall and requires gas nozzle properties.
- the non-coating zone formed on both sides of the coating film is sandwiched between two heat-sealable outermost layers such as a waterproof heat-sealable polyolefin ink formed on both outer sides of the strip tape, It prevents moisture and the like from penetrating into the tape, and protects the ethylene-butyl alcohol copolymer belt-like coating film that is weak against moisture.
- the amount of ethylene butyl alcohol copolymer used can be reduced, and an inexpensive strip tape can be obtained.
- the heat-sealable outermost layer which is also a heat-sealable polyolefin ink, imparts waterproof properties to the entire tape, and can provide heat-seal properties at the seal portion with the vessel wall.
- a strip tape can be provided.
- a coating film and a non-coating zone are formed by applying an ethylene butyl alcohol copolymer-containing liquid on the stretched polyester film surface.
- the dimensions of the strip tape can be easily changed.
- the coating thickness can be easily adjusted, and therefore the gas nozzle performance can be easily increased or decreased.
- FIG. 1 is a cross-sectional view schematically illustrating steps of one embodiment of the strip tape manufacturing method of the present invention.
- the laminated strip tape 6 that protects the end face of the container wall in the overlapping seal portion of the container wall of the container is manufactured.
- a web-like stretched polyester film 7 is prepared (see FIG. 1 (a)).
- the polyester film is a uniaxial or biaxial stretched film.
- the specification, thickness, and dimensions of the polyester film can be selected and changed as appropriate according to the application's performance of the trip tape.
- step (b) a stretched polyester film is transported, and as shown in FIG. 1 (b), an ethylene butyl alcohol copolymer-containing liquid is formed on the 7th surface of the stretched polyester film. Are coated in a band with a constant width and a constant interval to form two ethylene'vinyl alcohol copolymer band-shaped coating film 8 and uncoated film zone 9.
- the ethylene / bulol alcohol copolymer-containing liquid is a fluid containing EVOH, and the medium easily scatters from the coating film.
- the medium includes an aqueous medium and a solvent-based medium, preferably an aqueous medium.
- the width and interval of the coating (that is, twice the width of the uncoated zone) can be changed as appropriate depending on the dimensions of the strip tape. For example, if the width of the strip tape is 7.5 mm, the width of the coating film is 4 mm to 5 mm, and the interval is 3.5 mm to 1.5 mm.
- an ethylene-bulcoalcohol-containing fluid-based aqueous medium, a hydrophilic ethylene'vinyl alcohol copolymer dispersed in the aqueous medium, and the ethylene'bulcoalcohol copolymer are homogeneous. It consists of a minute layered silicate dispersed in the.
- An aqueous medium includes a solution of water and alcohol.
- Alcohols include methanol, ethanol, isopropanol, propanol, and butanol. Preferably, it is isopropanol.
- composition ratio of the ethylene'bulualcohol copolymer-containing liquid is, for example, 50 to 70 weights of water. / 0 , alcohol 30 to 40% by weight, EVOH 8 to 1% by weight.
- the above ratio can be appropriately selected and changed according to the purpose of use.
- the ethylene-butanol copolymer-containing liquid contains finely layered silicate that is uniformly dispersed.
- the ethylene butyl alcohol copolymer contains 0.01 to 5% by weight of a layered silicate having an average particle size in the range of 1 to 80 microns and not including a particle size of 300 microns or more.
- the layered silicate is substantially uniformly distributed with an interlayer distance of 50 angstroms or more.
- a raw material for such a layered silicate a layered phyllosilicate mineral composed of a layer of magnesium silicate or aluminum silicate can be exemplified.
- the amount of layered silicate is preferably 0.01 to 5% by weight based on the polymer, more preferably 0.05 to 2% by weight.
- step (c) the heat-sealable polyolefin layer 10 is laminated on both sides of the stretched polyester film 7 on which the coating film 8 is formed via an adhesive layer (not shown) or directly.
- the laminating method in this step is a method of laminating melted, for example, low density polyethylene simultaneously or sequentially on both sides of the stretched polyester film, and dry laminating a heat-sealable polyolefin film on both sides of the stretched polyester film. There are methods such as stacking.
- the heat-sealable polyolefin includes low-density polyethylene by a high-pressure method, linear low-density polyethylene, linear low-density polyethylene by meta-mouth catalyst, medium-density polyethylene, polypropylene, and copolymers of these polymers. .
- the adhesive used in this step includes an adhesive resin, an anchor coat agent, and the like.
- step (d) the obtained laminated film is cut substantially at the middle of the uncoated zone 9 to obtain two strip tapes 6,6.
- a plurality of coating films such as 10 that can produce two strip tapes are formed, and a plurality of strip tapes such as 10 can be produced.
- the strip tape 6 obtained in this form is coated with an intermediate layer 7 that also has a stretched polyester film film and a surface of the intermediate layer 7 that is applied in the transverse direction of the strip tape. It includes an ethylene vinyl alcohol copolymer belt-shaped coating film 8 formed in the central zone, uncoated coating zones 9 and 9 formed on both side zones of the coating film 8, and heat-sealable outermost layers 10 and 10.
- a web-like biaxially stretched polyester film with a width of 15 mm is prepared.
- An ethylene 'butyl alcohol copolymer-containing liquid is prepared.
- This ethylene-but-alcohol copolymer contains 1% by weight of a layered silicate that has an average particle size in the range of 50 microns and does not contain a powerful particle size of 300 microns or more. Dispersed substantially uniformly over 50 angstroms.
- a dispersion is prepared by stirring 2% by weight of ethylene butyl alcohol copolymer containing a finely dispersed layered silicate, 60% by weight of water and 38% by weight of isopropanol in a container.
- the coating film is dried by flowing a drying gas through the coating film.
- the strip tape manufacturing method and container strip tape of the present invention can be used for packaging and filling liquid foods such as juice and milk into paper containers.
- FIG. 1 is a cross-sectional view schematically illustrating steps of one embodiment of a strip tape manufacturing method of the present invention.
- FIG. 2 is an enlarged perspective view of a container and a partial cross section thereof.
Landscapes
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES05814687T ES2399240T3 (es) | 2004-12-24 | 2005-12-07 | Método de producción de una tira de cinta y tira de cinta para un recipiente |
BRPI0518660-9A BRPI0518660A2 (pt) | 2004-12-24 | 2005-12-07 | mÉtodo de fabricar uma fita de tira laminada, e, fita de tira laminada |
US11/792,369 US7771555B2 (en) | 2004-12-24 | 2005-12-07 | Method of manufacturing strip tape and strip tape for container |
EP05814687A EP1829679B1 (en) | 2004-12-24 | 2005-12-07 | Method for manufacturing strip tape and strip tape for container |
JP2006548781A JP4745250B2 (ja) | 2004-12-24 | 2005-12-07 | ストリップテープ製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004374700 | 2004-12-24 | ||
JP2004-374700 | 2004-12-24 |
Publications (1)
Publication Number | Publication Date |
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WO2006067963A1 true WO2006067963A1 (ja) | 2006-06-29 |
Family
ID=36601566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/022432 WO2006067963A1 (ja) | 2004-12-24 | 2005-12-07 | ストリップテープ製造方法及び容器用ストリップテープ |
Country Status (7)
Country | Link |
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US (1) | US7771555B2 (ja) |
EP (1) | EP1829679B1 (ja) |
JP (1) | JP4745250B2 (ja) |
CN (1) | CN100591522C (ja) |
BR (1) | BRPI0518660A2 (ja) |
ES (1) | ES2399240T3 (ja) |
WO (1) | WO2006067963A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016159916A (ja) * | 2015-02-27 | 2016-09-05 | 日本テトラパック株式会社 | 包装容器用シーリングテープ及び包装容器 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CA2747894C (en) * | 2008-12-23 | 2016-10-18 | Dow Global Technologies Llc | Method for the delivery of a multi-component reactive system to a molding operation |
CN106113853A (zh) * | 2016-06-28 | 2016-11-16 | 朝阳佛瑞达科技有限公司 | 一种用于液态包装盒的多层共挤密封条及生产方法 |
Citations (5)
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JP2000212528A (ja) * | 1999-01-27 | 2000-08-02 | Nihon Tetra Pak Kk | 包装容器内部の包装材料端部保護テ―プ及びその包装容器 |
JP2003191383A (ja) * | 2001-12-25 | 2003-07-08 | Heisei Polymer Co Ltd | 液体容器用保護テープおよび液体容器 |
JP2004001417A (ja) * | 2002-03-26 | 2004-01-08 | Tokuyama Corp | ガスバリア性フィルムの製造方法 |
JP2004211040A (ja) * | 2002-11-11 | 2004-07-29 | Nihon Tetra Pak Kk | シーリングテープ及び紙容器 |
JP2004315781A (ja) * | 2003-04-04 | 2004-11-11 | Tokuyama Corp | ガスバリアコート剤及びガスバリア性フィルム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CA1025770A (en) * | 1972-11-09 | 1978-02-07 | Herculite Protective Fabrics Corporation | Dispensers for the controlled release of pest-controlling agents and methods for combatting pests therewith |
SE500608C2 (sv) * | 1989-01-11 | 1994-07-25 | Roby Teknik Ab | Laminerat material för konvertering till formstabila förpackningsbehållare, sätt att framställa materialet samt användning av en film av etenvinylalkoholsampolymer och amorf polyamid i ett laminerat vikformat förpackningsmaterial |
KR20010101558A (ko) * | 1999-01-27 | 2001-11-14 | 포스베르크 라스-에케 | 종이 용기용 적층 포장 재료 |
JP4526659B2 (ja) | 2000-06-15 | 2010-08-18 | 日本テトラパック株式会社 | ストリップテープ |
CN100360309C (zh) * | 2001-09-18 | 2008-01-09 | 株式会社德山 | 阻气性薄膜、阻气性涂覆剂及其制造方法 |
-
2005
- 2005-12-07 BR BRPI0518660-9A patent/BRPI0518660A2/pt not_active IP Right Cessation
- 2005-12-07 JP JP2006548781A patent/JP4745250B2/ja not_active Expired - Fee Related
- 2005-12-07 ES ES05814687T patent/ES2399240T3/es active Active
- 2005-12-07 EP EP05814687A patent/EP1829679B1/en not_active Not-in-force
- 2005-12-07 CN CN200580044747A patent/CN100591522C/zh not_active Expired - Fee Related
- 2005-12-07 US US11/792,369 patent/US7771555B2/en not_active Expired - Fee Related
- 2005-12-07 WO PCT/JP2005/022432 patent/WO2006067963A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000212528A (ja) * | 1999-01-27 | 2000-08-02 | Nihon Tetra Pak Kk | 包装容器内部の包装材料端部保護テ―プ及びその包装容器 |
JP2003191383A (ja) * | 2001-12-25 | 2003-07-08 | Heisei Polymer Co Ltd | 液体容器用保護テープおよび液体容器 |
JP2004001417A (ja) * | 2002-03-26 | 2004-01-08 | Tokuyama Corp | ガスバリア性フィルムの製造方法 |
JP2004211040A (ja) * | 2002-11-11 | 2004-07-29 | Nihon Tetra Pak Kk | シーリングテープ及び紙容器 |
JP2004315781A (ja) * | 2003-04-04 | 2004-11-11 | Tokuyama Corp | ガスバリアコート剤及びガスバリア性フィルム |
Non-Patent Citations (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016159916A (ja) * | 2015-02-27 | 2016-09-05 | 日本テトラパック株式会社 | 包装容器用シーリングテープ及び包装容器 |
Also Published As
Publication number | Publication date |
---|---|
EP1829679A1 (en) | 2007-09-05 |
EP1829679A4 (en) | 2009-01-14 |
CN100591522C (zh) | 2010-02-24 |
ES2399240T3 (es) | 2013-03-26 |
EP1829679B1 (en) | 2013-01-23 |
JP4745250B2 (ja) | 2011-08-10 |
US7771555B2 (en) | 2010-08-10 |
CN101115618A (zh) | 2008-01-30 |
JPWO2006067963A1 (ja) | 2008-06-12 |
US20070259152A1 (en) | 2007-11-08 |
BRPI0518660A2 (pt) | 2008-12-02 |
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