WO2000056548A1 - Film polyamide multicouche dote d'une excellente aptitude au traitement - Google Patents
Film polyamide multicouche dote d'une excellente aptitude au traitement Download PDFInfo
- Publication number
- WO2000056548A1 WO2000056548A1 PCT/JP2000/001748 JP0001748W WO0056548A1 WO 2000056548 A1 WO2000056548 A1 WO 2000056548A1 JP 0001748 W JP0001748 W JP 0001748W WO 0056548 A1 WO0056548 A1 WO 0056548A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyamide
- multilayer film
- resin layer
- nylon
- film according
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- 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
-
- 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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- 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
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- 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
- B32B2310/00—Treatment by energy or chemical effects
- B32B2310/14—Corona, ionisation, electrical discharge, plasma treatment
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- 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]
- Y10T428/31725—Of polyamide
-
- 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]
- Y10T428/31725—Of polyamide
- Y10T428/31739—Nylon type
-
- 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]
- Y10T428/31725—Of polyamide
- Y10T428/31739—Nylon type
- Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
- Y10T428/31746—Polymer of monoethylenically unsaturated hydrocarbon
-
- 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]
- Y10T428/31725—Of polyamide
- Y10T428/3175—Next to addition polymer from unsaturated monomer[s]
-
- 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]
- Y10T428/31725—Of polyamide
- Y10T428/3175—Next to addition polymer from unsaturated monomer[s]
- Y10T428/31757—Polymer of monoethylenically unsaturated hydrocarbon
Definitions
- the present invention relates to a polyimide-based multilayer film having improved pinhole resistance, and more particularly to a polyamide-based multilayer film having a stable pitch in a flow direction in printing and laminating processing and excellent in laminating properties.
- multilayer films containing a polyamide resin have been widely used in various fields as films having gas barrier properties, toughness and the like.
- the market is demanding further improvement in toughness, especially in pinhole resistance.
- the softening of the polyamide resin layer can be achieved during processing (printing, laminating) in the direction of film flow (printing, laminating). This has led to the problem of poor pitch accuracy in the vertical direction.
- the present inventors have paid attention to the flexibility and longitudinal elongation of the film, and have finally completed the present invention. That is, the present invention mainly aims to improve the pinhole resistance and the vertical pitch accuracy, and thereby, the gas barrier property and the stable workability, which are excellent in the past, are exhibited. .
- a feature of the present invention is that, in a multilayer film having at least two polyamide resin layers, the number of pinholes generated in the evaluation of pinhole resistance at 1000 ° bending at 25 ° C. is small. This is a polymide-based multilayer film excellent in workability, having an elongation of less than 10 pieces and an elongation of 120 mm or less at a vertical pitch of 6 ° C.
- the polyamide-based multilayer film comprises a polyamide-based resin layer Z, a saponified ethylene-vinyl acetate copolymer layer / a polyamide-based resin layer, and a multilayer film having at least three layers, or , Polyamide resin layer / xylylene It is characterized by being a multilayer film having at least three layers in which a diamine-based polyamide resin layer / polyamide-based resin layer is provided in this order.
- Examples of the polyamide-based multilayer film of the present invention include those having at least three layers, for example, three, five, or seven layers.
- the five-layer film includes a polyamide resin layer, a Zethylene / vinyl acetate copolymer saponified layer / a polyamide resin layer, a Z-modified polyolefin adhesive resin layer, a linear low-density polyethylene, and a polyamide resin layer.
- Nonoxylylenediamine-based polyamide resin layer Z-polyamide-based resin layer / modified polyolefin adhesive resin layer Linear low-density polyethylene.
- the seven-layer film includes a linear low-density polyethylene Z-modified polyolefin adhesive resin layer Z-polyamide resin layer Noethylene-vinyl acetate copolymer saponified layer Nopolyamide resin layer No-modified polyolefin adhesive resin layer Linear low-density polyethylene, linear low-density polyethylene Z-modified polyolefin adhesive resin layer Nopolyamide-based resin layer Z xylylenediamine-based polyimide resin layer Z-polyamide-based resin layer Non-modified polyolefin adhesive resin layer / linear low- Density polyethylene.
- the polyamide constituting the polyamide resin layer in the present invention is not particularly limited, but includes 6-nylon, 66-nylon, 12-nylon and a copolymer thereof, 6T-6I nylon, MX D-6 nylon is an example. Further, two or more kinds of the above-mentioned polyamides may be mixed. Further, in order to improve the pinhole resistance of the film, a modified ethylene-vinyl acetate copolymer can be mixed as a component for imparting flexibility to the film.
- the proportion of the polyamide and the modified ethylene-vinyl acetate copolymer in the polyamide resin layer is preferably from 99 to 85% by weight: from 1 to 15% by weight, and more preferably from 99 to 90% by weight: 1 to 10% by weight, especially 97 to 93% by weight: 3 to 7% by weight.
- Modified ethylene-vinyl acetate copolymers include (1) a resin in which 100 C 0 CH 3 is partially saponified, (2) a resin in which OCOCH 3 is partially replaced by OCOCH 2 CH 3 , and (3) an anhydride. Includes resins partially graft-polymerized with acid anhydrides such as maleic acid.
- the saponified vinyl monoacetate copolymer is not particularly limited, but has an ethylene content of about 20 to 65 mol%, preferably about 29 to 44 mol%, and a saponification degree of about 90% or more, preferably About 95% or more can be exemplified.
- the xylylenediamine-based polyamide resin is not particularly limited, and examples thereof include a polymer synthesized from meta- and di- or para-xylylenediamine and a dicarboxylic acid such as adipic acid.
- different polymers may be mixed as long as the object of the present invention is not impaired, and organic additives such as antioxidants, heat stabilizers, lubricants, and ultraviolet absorbers may be added.
- the agent may be added to the extent that the agent is usually added.
- the total thickness of the film of the present invention is about 10 to 40 // m, preferably about 12 to 25 ⁇ m.
- the thickness of each of the at least two polyamide resin layers is about 3 to 15 ⁇ m, and preferably about 5 to 10 ⁇ m.
- the thickness of the saponified ethylene-vinyl acetate copolymer layer is about 2 to 10 // m, preferably about 3 to 10 m.
- the thickness of the xylylenediamine-based polyamide resin layer is about 2 to 10 m, and preferably about 3 to 10.
- the polyimide-based multilayer film of the present invention can be co-extruded on a chill roll through which cooling water circulates from a T-die so that the resin of each layer is in an appropriate order, to obtain a flat multilayer film.
- the obtained film is longitudinally stretched 2 to 4 times by, for example, a roll stretching machine at 50 to 100 ° C, and further 2 to 5 times by a tenter stretching machine at 90 to 150 ° C. And then heat-treated in an atmosphere of 180 to 220 ° C. by the same tenter.
- the multilayer film of the present invention may be subjected to uniaxial stretching or biaxial stretching (simultaneous biaxial stretching, sequential biaxial stretching).
- the obtained multilayer film may be subjected to a corner discharge treatment on both surfaces or one surface if necessary. It can also be applied.
- the number of pinholes generated in the evaluation of the pinhole resistance of 100 times bending under a condition of 25 ° C. is less than 10, preferably less than 10. 6 or less, more preferably 2 or less.
- the number of generated pinholes is If the number is 10 or more, it is difficult to say that the pinhole resistance has been improved. In a product packaged with this film, pinholes are likely to occur during actual transportation.
- the multilayer film of the present invention has a value of elongation of 6 mm or less, preferably 5 mm or less in a vertical pitch evaluation under a condition of 120 ° C.
- the pitch force in the vertical direction during actual printing / laminating is stable, and no problem occurs during bag making in post-processing. If the elongation value in the vertical pitch evaluation exceeds 6 mm, the film will be easily stretched due to the tension during printing and lamination, and the deviation from the regular pitch will be large. Become. This inaccuracy in pitch accuracy causes problems during post-processing bag making.
- the temperature condition of 120 ° C. in the vertical pitch evaluation was set near the upper limit of the temperature applied to the film during actual printing and laminating.
- the multilayer film of the present invention is excellent in toughness and pinhole resistance, it is suitable for packaging heavy objects, especially for packaging rice cakes, and for packaging liquid soups.
- the measuring method of the characteristic value of this invention is as follows.
- the pinhole resistance was evaluated using a gelbo flex tester manufactured by Rikagaku Kogyo Co., Ltd.
- the method used was a film made into a cylindrical bag with a folding diameter of 150 mm and a length of 300 mm.
- Polyamide resin composition composition of 6-nylon 96.0% by weight and modified ethylene-vinyl acetate copolymer 4.0% by weight
- saponified ethylene-vinyl acetate copolymer ethylene content 32 Mol%, saponification degree 99%
- Polyamide resin (6 Nylon 96.0% by weight and modified ethylene monoacetate vinylinole copolymer 4.0% by weight); 2X23 ”, manufactured by Ube Industries, Ltd., in this order, was co-extruded on a chill roll through which cooling water circulates from a T-die to obtain a flat three-layer film.
- the film was longitudinally stretched to 3.0 times by a roll stretching machine at 65 ° C, and further transversely stretched to 4.0 times by a tenter stretching machine at 110 ° C. And heat-treated in a 210 ° C. atmosphere to obtain a film having a thickness of 15 ⁇ m.
- the thickness of each layer was 6 / 3Z6 ( ⁇ m) in order from the surface.
- 6-nylon 86.0% by weight in the polyamide resin in Example 1 polymethylxylylene adipamide resin 10.0% by weight synthesized from methoxysilylenediamine and adipic acid, and modified ethylene-vinyl acetate
- a 15- ⁇ m-thick multilayer film was obtained in the same manner as in Example 1, except that the blending composition of 4.0% by weight of the polymer was used. At this time, the thickness of each layer was 6/3 Z 6 ( ⁇ ) in order from the surface.
- Example 2 In place of the saponified ethylene-vinyl acetate copolymer in Example 1, a thickness of 15 was obtained in the same manner as in Example 1 except that a polymethaxylylene adipamide resin synthesized from methacrylylenediamine and adipic acid was used. m multilayer film was obtained. At this time, the thickness of each layer was 575/5 ( ⁇ m) in order from the surface.
- Polyamide resin (6-Nylon 85.0% by weight and hexamethylene diamine Amorphous nylon 15.0% by weight blended copolymer of ethylene with terephthalic acid and isophthalenoic acid 1) saponified ethylene-vinyl acetate copolymer (ethylene content 32 mol%, saponified 99%) ) / Polyamide resin (Blend composition of 65.0% by weight of nylon and 15.0% by weight of copolymerized amorphous nylon of hexamethylenediamine with terephthalic acid and isofphthalic acid) In this order, co-extrusion was performed on a chill roll through which cooling water circulates from a T-die to obtain a flat three-layer film.
- the film was longitudinally stretched to 3.0 times by a roll stretching machine at 65 ° C, and further transversely stretched to 4.0 times by a tenter stretching machine in an atmosphere of 110 ° C, and subsequently by the tenter.
- Heat treatment was performed in an atmosphere of 210 ° C. to obtain a film having a thickness of 15 ⁇ m. At this time, the thickness of each layer was 6/3 ( ⁇ ) in order of surface color. Comparative Example 2
- a film having a thickness of 15 / ⁇ m was obtained in the same manner as in Comparative Example 1, except that the blended composition of the modified ethylene-vinyl acetate copolymer and 5.0% by weight was used. At this time, the thickness of each layer was 6/3 Z6 ( ⁇ ) in order of surface force.
- each multilayer film of the examples can be subjected to corona discharge treatment on both surfaces or one surface if necessary.
- Tables 1 and 2 show the physical properties of the above Examples and Comparative Examples.
- the multilayer films of Examples and Comparative Examples in Tables 1 and 2 are data obtained by subjecting one surface to a corner discharge treatment. table 1
- Dry laminating Dry laminating a 50 m thick linear low-density polyethylene film at a laminating speed of 150 mZs using a dry laminating machine to reduce printing pitch deviations. , X rated.
- Extrusion lamination Extrusion lamination at a laminating speed of 12 OmZs using an extrusion laminating machine to reduce the thickness of linear low-density polyethylene to 50 m, and print pitch. Is evaluated by ⁇ , ⁇ , and X.
- the pinhole resistance is remarkably improved, and the vertical pitch accuracy in actual printing and laminating is stable.
- the comparative examples in Table 2 have poor pinhole resistance and are not satisfactory in workability.
- the present invention enables the provision of a polyamide-based multi-layer film that has an excellent effect of realizing pinhole resistance, which is a strong demand of the market, and also has improved suitability for printing and laminating. It is widely used in food packaging, for example.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU33250/00A AU761091B2 (en) | 1999-03-23 | 2000-03-22 | Multilayered polyamide film with excellent processability |
US09/937,242 US6645640B1 (en) | 1999-03-23 | 2000-03-22 | Multilayered polyamide film with excellent processability |
EP00911283A EP1179416A4 (en) | 1999-03-23 | 2000-03-22 | MULTILAYER POLYAMIDE FILM WITH OUTSTANDING PROCESSING PROPERTIES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/77266 | 1999-03-23 | ||
JP7726699 | 1999-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000056548A1 true WO2000056548A1 (fr) | 2000-09-28 |
Family
ID=13629052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/001748 WO2000056548A1 (fr) | 1999-03-23 | 2000-03-22 | Film polyamide multicouche dote d'une excellente aptitude au traitement |
Country Status (4)
Country | Link |
---|---|
US (1) | US6645640B1 (ja) |
EP (1) | EP1179416A4 (ja) |
AU (1) | AU761091B2 (ja) |
WO (1) | WO2000056548A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006035511A (ja) * | 2004-07-23 | 2006-02-09 | Gunze Ltd | ポリアミド系多層フィルム及びその製造方法 |
GB2418642A (en) * | 2003-06-18 | 2006-04-05 | Gunze Kk | Polyamide multilayer film |
JP2006192592A (ja) * | 2005-01-11 | 2006-07-27 | Gunze Ltd | ポリアミド系多層フィルム |
JP2015136825A (ja) * | 2014-01-21 | 2015-07-30 | ユニチカ株式会社 | ガスバリア性積層体 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020071923A1 (en) * | 1999-12-10 | 2002-06-13 | Virginia A. Garner Cullison | Nylon containing lid for food packaging |
WO2003080331A1 (fr) * | 2002-03-26 | 2003-10-02 | Kurita Water Industries Ltd. | Matiere d'emballage, recipient souple, procede de fabrication d'un recipient souple, procede permettant d'enfermer du liquide dans un recipient souple et liquide associe |
US20060083940A1 (en) * | 2004-04-30 | 2006-04-20 | Solomon Bekele | Ultraviolet light absorbing composition |
US7645505B2 (en) * | 2004-04-30 | 2010-01-12 | Cryovac, Inc. | Polyamide multilayer film |
US7811891B2 (en) * | 2006-01-13 | 2010-10-12 | Freescale Semiconductor, Inc. | Method to control the gate sidewall profile by graded material composition |
CA2605628C (en) * | 2006-09-28 | 2015-03-17 | Mitsubishi Gas Chemical Company, Inc. | Biaxially stretched, multi-layereded polyamide film and production method thereof |
CN101980859B (zh) * | 2008-03-31 | 2013-08-07 | 郡是株式会社 | 用于食品包装的聚酰胺多层管 |
DE102009014737A1 (de) * | 2009-03-25 | 2010-10-07 | Mars, Incorporated | Verfahren und Vorichtung zum Frittieren von Nahrungsmitteln |
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JPH05492A (ja) * | 1991-02-28 | 1993-01-08 | Mitsubishi Kasei Polytec Co | ポリアミド系積層二軸延伸フイルム |
JPH0557855A (ja) * | 1991-07-03 | 1993-03-09 | Mitsubishi Kasei Polytec Co | ヒートシール可能な熱収縮性積層フイルム |
JPH0564868A (ja) * | 1991-07-08 | 1993-03-19 | Mitsubishi Kasei Polytec Co | ヒートシール可能な高寸法安定性積層フイルム |
JPH1080989A (ja) * | 1996-07-12 | 1998-03-31 | Gunze Ltd | ポリアミド系多層フィルム |
JPH10151714A (ja) * | 1996-11-21 | 1998-06-09 | Mitsubishi Eng Plast Kk | 積層フィルム |
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US5286575A (en) * | 1987-08-24 | 1994-02-15 | E. I. Du Pont De Nemours And Company | Blends of ethylene vinyl alcohol copolymer and polyamides, and multilayer containers made therefrom |
DE9007334U1 (de) * | 1990-05-26 | 1991-03-14 | Hoechst Ag, 65929 Frankfurt | Mehrschichtige, schlauchförmige Verpackungshülle |
DE69119982T2 (de) * | 1990-06-27 | 1996-10-24 | Gunze Kk | Mehrschichtfilm und Verfahren zu seiner Herstellung |
WO1992015455A1 (en) | 1991-02-28 | 1992-09-17 | Mitsubishi Kasei Polytec Company | Biaxially oriented polyamide laminate film |
US5334909A (en) * | 1991-07-05 | 1994-08-02 | Nec Corporationcorporation | Microwave tube collector assembly including a chromium oxide film |
WO1993018915A1 (fr) | 1992-03-18 | 1993-09-30 | Sumitomo Bakelite Company, Ltd. | Film multicouche etire |
US6376093B1 (en) | 1998-05-26 | 2002-04-23 | Toyo Boseki Kabushiki Kaisha | Polyamide film and polyamide laminate film |
WO2000003871A1 (fr) | 1998-07-15 | 2000-01-27 | Idemitsu Petrochemical Co., Ltd. | Film barriere stratifie se dechirant facilement et produit de sac fabrique au moyen de celui-ci |
-
2000
- 2000-03-22 AU AU33250/00A patent/AU761091B2/en not_active Ceased
- 2000-03-22 US US09/937,242 patent/US6645640B1/en not_active Expired - Lifetime
- 2000-03-22 EP EP00911283A patent/EP1179416A4/en not_active Withdrawn
- 2000-03-22 WO PCT/JP2000/001748 patent/WO2000056548A1/ja active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05492A (ja) * | 1991-02-28 | 1993-01-08 | Mitsubishi Kasei Polytec Co | ポリアミド系積層二軸延伸フイルム |
JPH0557855A (ja) * | 1991-07-03 | 1993-03-09 | Mitsubishi Kasei Polytec Co | ヒートシール可能な熱収縮性積層フイルム |
JPH0564868A (ja) * | 1991-07-08 | 1993-03-19 | Mitsubishi Kasei Polytec Co | ヒートシール可能な高寸法安定性積層フイルム |
JPH1080989A (ja) * | 1996-07-12 | 1998-03-31 | Gunze Ltd | ポリアミド系多層フィルム |
JPH10151714A (ja) * | 1996-11-21 | 1998-06-09 | Mitsubishi Eng Plast Kk | 積層フィルム |
Non-Patent Citations (1)
Title |
---|
See also references of EP1179416A4 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2418642A (en) * | 2003-06-18 | 2006-04-05 | Gunze Kk | Polyamide multilayer film |
JPWO2004113071A1 (ja) * | 2003-06-18 | 2006-07-27 | グンゼ株式会社 | ポリアミド系多層フィルム |
GB2418642B (en) * | 2003-06-18 | 2007-12-12 | Gunze Kk | Polyamide-based multilayer film |
JP4606327B2 (ja) * | 2003-06-18 | 2011-01-05 | グンゼ株式会社 | ポリアミド系多層フィルム |
KR101074211B1 (ko) * | 2003-06-18 | 2011-10-14 | 군제 가부시키가이샤 | 폴리아미드계 다층 필름 |
JP2006035511A (ja) * | 2004-07-23 | 2006-02-09 | Gunze Ltd | ポリアミド系多層フィルム及びその製造方法 |
JP4601351B2 (ja) * | 2004-07-23 | 2010-12-22 | グンゼ株式会社 | ポリアミド系多層フィルム及びその製造方法 |
JP2006192592A (ja) * | 2005-01-11 | 2006-07-27 | Gunze Ltd | ポリアミド系多層フィルム |
JP4614772B2 (ja) * | 2005-01-11 | 2011-01-19 | グンゼ株式会社 | ポリアミド系多層フィルム |
JP2015136825A (ja) * | 2014-01-21 | 2015-07-30 | ユニチカ株式会社 | ガスバリア性積層体 |
Also Published As
Publication number | Publication date |
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EP1179416A1 (en) | 2002-02-13 |
EP1179416A4 (en) | 2002-07-17 |
AU3325000A (en) | 2000-10-09 |
AU761091B2 (en) | 2003-05-29 |
US6645640B1 (en) | 2003-11-11 |
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