WO2005005137A2 - フィルム、積層体及び包装体 - Google Patents
フィルム、積層体及び包装体 Download PDFInfo
- Publication number
- WO2005005137A2 WO2005005137A2 PCT/JP2004/010374 JP2004010374W WO2005005137A2 WO 2005005137 A2 WO2005005137 A2 WO 2005005137A2 JP 2004010374 W JP2004010374 W JP 2004010374W WO 2005005137 A2 WO2005005137 A2 WO 2005005137A2
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- WO
- WIPO (PCT)
- Prior art keywords
- layer
- film
- light
- shielding
- less
- Prior art date
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
Definitions
- the present invention relates to a film, a laminate, and a package.
- packages for retort foods and the like have been required to have light-shielding properties in order to prevent deterioration of the foods and the like.
- heat resistance is required so that it can withstand heating and cooking.
- a package that satisfies such requirements for example, a film provided with a polyethylene terephthalate layer / aluminum foil layer / polypropylene layer, or a polyethylene terephthalate layer / aluminum vapor deposition layer Z polypropylene layer has been proposed. (See, for example, JP-A-2001-261921, page 9).
- This light-shielding film had sufficient light-shielding properties and could be placed in a microwave oven. It was difficult to use it as users and converters were not supported. Disclosure of the invention
- An object of the present invention is to provide a film, a laminate, and a package that do not have an aluminum foil layer and an aluminum vapor-deposited layer, have high heat resistance, light-shielding properties, and suppress transfer of odor to contents.
- the following configuration is adopted.
- the film of the present invention is a film including a light shielding layer and a sealing layer, wherein the light shielding layer and the sealing layer contain a thermoplastic resin, and the light shielding layer has a light shielding layer.
- An additive for imparting properties is added, and the additive essentially contains carbon black having a polycyclic aromatic hydrocarbon content of 0.5 ppm or less and a benzopyrene content of 5 ppb or less,
- the film has a light transmittance of 30% or less at each wavelength of 250 to 700 nm.
- the light transmittance is obtained by measuring the light transmittance for each wavelength of 250 nm or more and 700 nm or less by a transmission method.
- the light transmittance is a percentage of the transmitted light relative to the incident light.
- the resin used for the light-shielding layer and the sealing layer include, for example, polyolefin such as polyethylene resin, polypropylene resin, and ethylene_ ⁇ -olefin copolymer having a density of 930 kg / m 3 or more. ⁇ , nylon and polyethylene terephthalate.
- the film has a light-shielding layer, and since the light transmittance of the film is 30% or less at each wavelength of 250 to 700 nm, an aluminum foil layer or an aluminum vapor-deposited layer is provided. It has the same light-shielding properties as a film.
- the light-shielding layer and the seal layer contain a thermoplastic resin having a melting point of 125 ° C or more, they can withstand temperatures as high as about 120 ° C. Therefore, even if the package is made so that the seal layer is on the inner surface side, and the package is filled with the object to be packaged, and then heat sterilization is performed, the seal layers may be fused or pseudo-fused together. Absent. (3) Carbon black is used as an additive for providing light-shielding properties, and since the amount of polycyclic aromatic hydrocarbons contained in the car pump rack is extremely small, the transfer of odor to the contents can be suppressed.
- the film of the present invention does not need to have a layer composed of an aluminum foil layer and an aluminum vapor deposition layer, coextrusion molding and the like can be performed, and the production cost can be reduced accordingly. it can.
- the film of the present invention is a film comprising a light-shielding layer and a seal layer, wherein the light-shielding layer and the seal layer contain a polyethylene-based resin having a density of 9300 kg Zm 3 or more, and An additive is added to the layer for the purpose of imparting light-shielding properties, and the additive essentially contains carbon black having a polycyclic aromatic hydrocarbon content of 0.5 ppm or less and a benzopyrene content of 5 ppb or less.
- the light transmittance of the film is 30% or less at each wavelength of 250 to 700 nm.
- examples of the polyethylene resin include an ethylene homopolymer and an ethylene- ⁇ -olefin copolymer.
- the film of the present invention is a film provided with a light-shielding layer and a seal layer, wherein the light-shielding layer and the seal layer contain a polypropylene resin, and the light-shielding layer is provided with a light-shielding property.
- An additive is added, and the additive essentially contains carbon black having a polycyclic aromatic hydrocarbon content of 0.5 ppm or less and a benzopyrene content of 5 ppb or less.
- the light transmittance of finolem is not more than 30% at each wavelength of 250 to 700 nm.
- the light-shielding layer and the seal layer contain a polypropylene-based resin, they can withstand even higher temperatures of about 120 to 125 ° C. Therefore, it is necessary to
- the light-shielding layer and the sealing layer contain a polypropylene resin, they have high strength and rigidity and are excellent in impact resistance.
- the polypropylene resin may be any of propylene homopolymer, propylene-ethylene random copolymer, propylene-ethylene block copolymer, and propylene-ethylene butene-11 terpolymer. It is preferable that
- a copolymer capable of withstanding a temperature of about 120 ° C. is preferable.
- a propylene-ethylene block copolymer when contained, it can withstand temperatures as high as about 125 ° C and have excellent impact resistance.
- Additives to be added to the light-shielding layer must include carbon black, which contains polycyclic aromatic hydrocarbons at 0.5 ppm or less and benzopyrene at 5 ppb or less, and white additives. It is preferred to contain.
- the white additive for example, titanium oxide, zinc oxide, zinc sulfide, barium sulfate, lead white and the like can be mentioned, and among them, titanium oxide is preferably used. This is because titanium oxide has excellent light resistance, heat resistance, and chemical resistance.
- the black additive for the light-shielding layer include iron black and graphite in addition to carbon black. It is preferable to use only the above-described carbon black in order to suppress the migration of carbon black.
- the additive contains the carbon black and titanium oxide.
- the light-shielding layer can be formed of one or two layers.
- the light-shielding layer is composed of one layer, titanium oxide having a weight ratio of 5 or more and 40 or less is added to the car pump rack. As a result, the light-shielding layer changes from black to gray, which is effective.
- the light-shielding layer is composed of a first layer adjacent to the seal layer and a second layer located on the opposite side of the first layer from the seal layer.
- the first layer uses a black additive and the second layer uses a white additive, and the first layer uses a gray layer containing both a black additive and a white additive.
- the second layer may be a layer containing a white additive. That is, in the present invention, when the light-shielding layer has two layers, the second layer preferably contains a white additive.
- the black additive is the above-described carbon black
- the white additive is, for example, titanium oxide.
- the film is directly printed or back-printed film is affixed.
- the surface on which the print is applied or the back-printed film is attached must be colored white.
- a coloring method a method is conceivable in which the light-shielding layer is composed of two layers, and the layer (second layer) located on the side opposite to the seal layer side of the two layers is directly coated with paint or the like. In the method, it takes time to apply the paint.
- the second layer plays a role as a laminate layer, but when a paint or the like is applied, the lamination strength is reduced. There is a possibility.
- the second layer of the light-shielding layer contains a white additive. This eliminates the need to apply the surface layer with paint or the like. In addition, it is necessary to apply
- the laminate of the present invention is characterized in that a thermoplastic resin film composed of at least one layer is bonded to the light-shielding layer of any of the above-mentioned films.
- the laminate of the present invention is obtained by laying a thermoplastic resin film on the above-described film. Therefore, the above-described effects of the film can be exhibited, and by imparting gas barrier properties and design properties to the thermoplastic resin film, a new function not provided in the film can be exhibited in the laminate.
- thermoplastic resin film has an oxygen permeability of 10 cc Zm 2 ⁇ day ⁇ atm or less.
- the oxygen permeability of the thermoplastic resin film is 10 cc Zm 2 .day ⁇ atm or less and the oxygen permeability is extremely small, a laminate having excellent gas barrier properties can be obtained.
- thermoplastic resin film a thermoplastic resin layer
- a vapor deposition or co computing the layers in the thermoplastic resin layer oxygen permeability 1 0 cc Z m 2 ⁇ day - atm
- oxygen permeability 1 0 cc Z m 2 ⁇ day - atm oxygen permeability 1 0 cc Z m 2 ⁇ day - atm
- silicon oxide is vapor-deposited or coated with silicon oxide, an acryl-based substance, polyvinyl alcohol, linoleanol, a copolymer of polyvinyl alcohol and ethylene, polyvinylidene chloride, or the like.
- a thermoplastic resin film having an oxygen permeability in the above-described range can be obtained.
- thermoplastic resin film having the above-described oxygen permeability can be obtained, so that the gas barrier property can be easily imparted.
- the oxygen permeability of the thermoplastic resin film is obtained by providing the thermoplastic resin film having a layer containing a gas barrier resin. Is preferred.
- examples of the gas barrier resin include nylon, ethylene-vinyl alcohol copolymer, polyvinylidene chloride, and the like.
- a package of the present invention includes the above-described film or laminate, and has the seal layer of the film as an inner surface.
- the package of the present invention includes the above-described film or laminate, the same effects as those of the film or laminate can be obtained.
- high heat resistance and high light-shielding properties can be provided without using an aluminum foil layer and an aluminum evaporation layer.
- FIG. 1 is a diagram schematically showing a cross section of the film of the embodiment of the present invention.
- FIG. 2 is a diagram schematically showing a cross section of the laminate of the embodiment of the present invention.
- FIG. 3 is a perspective view of the bag according to the embodiment of the present invention.
- FIG. 4 is a perspective view showing a modified example of the bag of the present invention.
- FIG. 5 is a cross-sectional view showing a modified example of the film of the present invention.
- FIG. 1 shows a film 1 of the present embodiment.
- the film 1 has a three-layer structure, and includes a seal layer 11 having a single-layer structure and a light-shielding layer 12 having a two-layer structure.
- the seal layer 11 contains a polyethylene resin having a density of 9300 kg / m 3 or more and an antiblocking agent. This seal layer 11 is a colorless and transparent layer, and does not contain a light-shielding additive.
- the light-shielding layer 12 includes a first layer 121 adjacent to the seal layer 11 and a second layer 122 adjacent to the first layer 121.
- the first layer 122 is a gray-colored layer and contains a polyethylene resin having a density of 930 kg / m 3 or more and an additive for imparting light-shielding properties.
- This additive contains a carpump rack containing 0.5 ppm or less of polycyclic aromatic hydrocarbons and 5 ppb or less of benzopyrene as a black additive, and titanium oxide as a white additive.
- the ratio of the carbon black is 0.1 wt% or more and 5.0 wt% or less, preferably 0.3 wt% or more and 2.0 sec% or less based on the entire first layer 121. If it is less than 0.1 wt%, there is a possibility that a sufficient light shielding property cannot be obtained. Also, if it exceeds 5.0 wt%, aesthetic appearance may be deteriorated.
- the content of titanium oxide is 2 or more and 60 or less, preferably 5 or more and 40 or less with respect to the carbon black 1 by weight. If it is less than 2, the aesthetic appearance may be deteriorated, and it is difficult to secure the light shielding property. If it exceeds 60, the titanium oxide may not be mixed uniformly.
- the first layer 1221 contains both the carbon black and the white additive, but the present invention is not limited to this, and the first layer 122 may contain only the carbon black.
- the second layer 1 2 2 is located on the opposite side of the first layer 1 2 1 from the sealing layer 1 1 1
- This layer contains a polyethylene resin having a density of 9300 kg / m 3 or more and titanium oxide as a white additive.
- the second layer 122 is a layer colored white.
- the content of the white additive is preferably such that the appearance is not deteriorated by the influence of the color of the first layer 121.
- the second layer 122 may contain an anti-blocking agent.
- the light transmittance of the film 1 is 30% or less at each wavelength of 250 nm to 700 nm.
- the light transmittance is obtained by measuring the light transmittance for each wavelength not less than 250 nm and not more than 700 nm by a transmission method.
- the light transmittance is a percentage of the transmitted light relative to the incident light.
- Such a film 1 is formed, for example, by a T-die co-extrusion method using a three-layer T-die co-extrusion cast molding machine. Specifically, three types of extruders corresponding to the resin constituting each layer 1 1, 1 2 1, 1 2 2 were used, and each layer 1 1, 1 2 1, 1 2 2 extruded from each extruder was used. The constituent resins are joined and laminated by a special block provided just before entering the T-die and molded. In addition, the resin that composes each layer 11, 12, 21 and 122 extruded from each extruder is introduced into an adhesive circuit die, and then subjected to inflation molding to form such a film. One may be manufactured.
- thermoplastic resin film 2 is attached to the second layer 122 of the light-shielding layer 12 of the film 1 to form a laminate 4.
- the thermoplastic resin film 2 has an oxygen permeability of 10 cc / m 2 ⁇ day ⁇ atm or less, and is a one-layer transparent film containing polyamide, ethylene-butyl alcohol copolymer, polyethylene terephthalate, etc. It has a film 21 (thermoplastic resin layer) and a transparent vapor-deposited layer 22 formed on the surface of the transparent film 21 on the film 1 side.
- the transparent film 21 has a single-layer configuration, but is not limited thereto, and may have a multilayer configuration.
- the deposition layer 22 is obtained by depositing silicon oxide on the transparent film 2.
- silicon oxide is deposited to form a deposited layer.
- the present invention is not limited to this, and for example, it may be coated with an ataryl material, polyvinyl alcohol, a copolymer of polyvinyl alcohol and ethylene, or polyvinylidene chloride.
- a print A is applied to the surface of the light-shielding layer 12 of the film 1 of the vapor deposition layer 22 on the side of the second layer 122 (the back surface of the thermoplastic resin film 2).
- thermoplastic resin film 2 and the film 1 examples include a dry lamination method using an adhesive.
- a bag (package) 5 as shown in FIG. 3 is formed.
- the bag 5 has a flat rectangular shape, and four sides thereof are heat-sealed.
- the seal layer 11 of the film 1 is used as the inner surface of the bag, and three sides are first heat-sealed. Then, the inside of the bag 5 is filled with, for example, retort food, and finally, the remaining one side is heat-sealed.
- Film 1 is provided with a light-shielding layer 12, and since the light transmittance is 30% or less at each wavelength of 250 to 70 O nm, a film provided with an aluminum foil layer or an aluminum vapor-deposited layer It has the same light-shielding properties as. Therefore, it is possible to prevent deterioration of the food filled in the bag 5 using the film 1. Further, since the light-shielding layer 12 and the sealing layer 11 contain a polyethylene resin having a density of 930 kg Zm 3 or more, they can withstand temperatures as high as about 120 ° C.
- the seal layer 11 is a colorless and transparent layer, no additive for imparting light shielding properties is added to the seal layer 11. Therefore, even when the sealing layer 11 comes into contact with food, the additive does not adhere to the food.
- the first layer 122 of the light-shielding layer 122 contains carbon black and titanium oxide, it can effectively block light, and the carbon black and titanium oxide have excellent coloring power. It is convenient because it is inexpensive. In addition, since carbon black has a polycyclic aromatic hydrocarbon content of 0.5 ppm or less and benzopyrene content of 5 ppm or less, the transfer of odor to the contents can be suppressed. '
- the second layer 122 is colored white, it is possible to improve the color development of the print A of the thermoplastic resin film 2 when the thermoplastic resin film 2 is attached. Therefore, the appearance of the laminate 4 and the bag 5 can be improved.
- the second layer 122 is colored white, it is not necessary to apply a white paint to the second layer 122, and the labor for manufacturing can be saved. Furthermore, when a white paint is applied to the second layer, the laminate strength between the second layer and the thermoplastic resin film 2 may be reduced. On the other hand, in the present embodiment, since it is not necessary to apply a white paint, a decrease in the lamination strength can be prevented.
- the laminate 4 includes the thermoplastic resin film 2 on which the printing A has been performed, the appearance is good.
- the print A is applied to the back surface of the thermoplastic resin film 2, the print A is seen through the thermoplastic resin film 2. Therefore, printing of the laminate 4 looks glossy, and the appearance is particularly good.
- the laminate 4 since the oxygen permeability of the thermoplastic resin film 2 is very low at 10 cc / m 2 ⁇ day.atm or less, the laminate 4 has a high gas barrier property.
- the laminate 4 has a thermoplastic resin in addition to the function of the film 1. It has the functions of the resin film 2 and has good light-shielding properties and heat resistance, good appearance, and high gas barrier properties. Further, the bag 5 obtained by molding the laminate 4 has a similar function.
- the present invention is not limited to the above-described embodiment, but includes modifications and improvements as long as the object of the present invention can be achieved.
- the bag 5 is filled with food, but the present invention is not limited to this, and shampoo, rinse and the like may be filled. In this case, deterioration due to light such as shambhu and rinse can be prevented, and the quality can be maintained for a long time.
- the bag may be a self-supporting bag 6 as shown in FIG. 4, a so-called standing bouch. Since the bag 6 is self-supporting, it is easy to use.
- the gas barrier property is imparted by performing vapor deposition on the transparent film 21 of the thermoplastic resin film 2; however, the present invention is not limited to such a method, and the surface of the transparent film 21 may be made of nylon or the like.
- gas barrier properties may be imparted. Since nylon and the like have high heat resistance, the provision of a layer such as a nipple does not lower the heat resistance of the laminate.
- thermoplastic resin film may have gas barrier properties by forming the transparent film itself from a gas-parous resin. In this case, it is not necessary to form a layer for imparting gas barrier properties on the transparent film, so that the production of the thermoplastic resin film can be facilitated.
- the oxygen permeability of the thermoplastic resin film 2 is set to 10 cc / m 2 ⁇ day ⁇ atm or less, but may be more than 10 cc / 2 ⁇ day-atm. Further, the thermoplastic resin film may not have the gas barrier property. Further, in the above-described embodiment, the bag 5 is formed by the laminate 4 including the thermoplastic resin film 2 and the film 1, but the bag may be manufactured by forming only the film 1.
- the second layer 122 of the light shielding layer 12 of the film 1 it is preferable to directly print the second layer 122 of the light shielding layer 12 of the film 1. By doing so, the appearance of the bag can be improved. Further, since the thermoplastic resin film 2 is not used, the production cost can be reduced.
- the second layer 122 of the light-shielding layer 122 contains titanium oxide as a white additive.
- the present invention is not limited to this, and other white additives such as zinc oxide, It may contain zinc sulfide, barium sulfate, lead white, etc.
- titanium oxide has better light resistance, heat resistance, and chemical resistance than other white additives, and is therefore easier to use than other white additives.
- the light-shielding layer 12 of the film 1 includes the second layer 122, but the invention is not limited thereto.
- the light-shielding layer 12, which is not provided, may be used. By doing so, the labor for forming the second layer can be omitted.
- such a film 1 ′ may have lower whiteness than the film 1 on which the second layer 122 is formed.
- the first layer 122 of the light-shielding layer 12 contains a carbon black having a polycyclic aromatic hydrocarbon content of 0.5 ppm or less and a benzopyrene content of 5 ppb or less. However, it may contain iron black, graphite, etc., but it must be carefully selected so that the odor does not transfer to the contents. Furthermore, in the above-described embodiment, the seal layer 11 and the light-shielding layer 12 contain a polyethylene-based resin. Pyrene-ethylene random copolymer, propylene homopolymer, propylene-ethylene block copolymer, propylene-ethylene butene terpolymer May be contained.
- the resin contains a propylene-based resin, the strength and rigidity are increased and the impact resistance can be improved.
- films having the following structures were produced by multilayer co-extrusion inflation molding.
- Raw material linear low-density polyethylene (density 939 kg gZm 3 trade name Motec 0 2 7 8) 84.5 wt%
- Carbon black 0.5 wt%, titanium oxide 15 wt%)
- the carbon black is 0.26 ppm for polycyclic aromatic hydrocarbons and 1 ppm for benzopyrene.
- the content of carbon black with respect to the entire light shielding layer is 0.25 wt%, and the content of titanium oxide is 10.0 wt%.
- Raw material linear low-density polyethylene (density 939 kg Zm 3 trade name Motec 0 2 7 8) 99.5 t%
- Raw material linear low-density polyethylene (density 939 kg Zm 3 trade name Moortec 0 2 7 8) 95 wt%
- the content of carbon black in the entire light-shielding layer is 0.25 wt%, and the content of titanium oxide is 2.5 wt%.
- Raw material block polypropylene (trade name: Idemitsu Polypropylene F—45 4 N P) 99 wt%
- the content of carbon black in such a light-shielding layer is 0.5 wt%, and the content of titanium oxide is 5. O wt%.
- Raw material Linear low-density polyethylene (density 939 kg Zm 3 trade name Motec 0 2 7 8)
- Raw material linear low-density polyethylene (density 939 kg gZm 3 trade name Motec 0 2 7 8) 89 wt%
- the content of carbon black with respect to the entire light-shielding layer is 1.0. wt%, and the content of titanium oxide was 10.0 wt%.
- the light-shielding layer of the film of Example 4 does not have the second layer.
- Linear low density polyethylene (density 9 2 0 kg / m 3 product name mode Atekku 0 1 3 8)
- Raw material linear low-density polyethylene (density 920 kg / m 3 trade name Motec 0 1 3 8) 9.9 wt%
- Thickness 20 ra
- the content of the carbon black in the entire light-shielding layer is 0.5 wt 0 /. And the content of titanium oxide is 5.0 wt%.
- UV-240 a self-recording spectrophotometer manufactured by Shimadzu Corporation
- the light transmittance is a percentage of the transmitted light with respect to the incident light.
- the film was subjected to a heat and pressure sterilization treatment to evaluate heat resistance. Sterilization temperatures are 100 ° C, 110 ° C, 120 ° C, and 130 ° C, respectively.
- Example 2 The films of Example 2 and Comparative Examples 1 and 2 were similarly filled with pure water.
- the bags were placed in a thermostat at 90 ° C for 30 minutes (heat treatment), and then the seal was opened and the odor of pure water was evaluated organoleptically.
- Example 1 0.5 1 4 ⁇ ⁇ ⁇ X ⁇
- Example 2 1 2 8 ⁇ ⁇ ⁇ X ⁇
- Example 3 0.5 1 4 ⁇ ⁇ ⁇ ⁇
- ⁇ indicates that the seal layer was not fused or pseudo-fused and the heat resistance was good, and X indicates that the seal layer was fused or pseudo-fused and the heat resistance was poor. Show. Further, ⁇ indicates that the heat resistance was not so bad as X, but the sealing layer was fused or pseudo-fused, and there was a problem with the heat resistance.
- the light transmittance at 250 nm is 1% or less, the light at 400 nm is 2% or less, and the light at 700 nm is 8% or less. In Examples 1 and 2, it was confirmed that the transfer of odor to the contents was also suppressed.
- Examples 1, 2, and 4 could withstand a high temperature of 120 ° C, and Example 3 could withstand a high temperature of 130 ° C.
- Comparative Example 1 it was confirmed that the light transmittance was very high, and the light-shielding property was not provided.
- Comparative Example 2 it was confirmed that, although having high light-shielding properties, the heat resistance was low and the transfer of odor to the contents was insufficiently suppressed.
- the present invention can be used as a film, a laminate, and a package, and is particularly applicable to a package of a retort food or the like that requires a light-shielding property to prevent deterioration of the food or the like. Available.
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Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005511618A JP4361530B2 (ja) | 2003-07-15 | 2004-07-14 | フィルム、積層体及び包装体 |
KR1020067000791A KR101139075B1 (ko) | 2003-07-15 | 2004-07-14 | 필름, 적층체 및 포장체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003196999 | 2003-07-15 | ||
JP2003-196999 | 2003-07-15 |
Publications (3)
Publication Number | Publication Date |
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WO2005005137A2 true WO2005005137A2 (ja) | 2005-01-20 |
WO2005005137A1 WO2005005137A1 (ja) | 2005-01-20 |
WO2005005137A3 WO2005005137A3 (ja) | 2005-03-31 |
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Cited By (7)
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JP2006212785A (ja) * | 2005-02-01 | 2006-08-17 | Okamoto Ind Inc | 遮光性フィルム、積層体及び容器 |
JP2008114463A (ja) * | 2006-11-02 | 2008-05-22 | Somar Corp | 遮光フィルム及びその製造方法 |
JP2009039979A (ja) * | 2007-08-10 | 2009-02-26 | Dainippon Printing Co Ltd | 多層積層フィルム |
JP2009241338A (ja) * | 2008-03-31 | 2009-10-22 | Dainippon Printing Co Ltd | プロテクトフィルム |
JP2011068892A (ja) * | 2009-09-28 | 2011-04-07 | Evonik Degussa Gmbh | カーボンブラック、その製造方法並びにその使用 |
JP2014201729A (ja) * | 2013-04-09 | 2014-10-27 | ユニチカ株式会社 | 隠蔽フィルム |
WO2018163883A1 (ja) * | 2017-03-07 | 2018-09-13 | 東洋紡株式会社 | 蒸着基材用ポリエチレン系フィルム及びそれを用いた蒸着フィルム |
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JP2001322214A (ja) * | 2000-05-16 | 2001-11-20 | Mitsui Chemicals Inc | 包装材 |
JP2002067207A (ja) * | 2000-09-04 | 2002-03-05 | Kyodo Printing Co Ltd | 遮光性積層体 |
JP2002240212A (ja) * | 2001-02-19 | 2002-08-28 | Mitsui Chemicals Inc | 包装材 |
Patent Citations (3)
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JP2001322214A (ja) * | 2000-05-16 | 2001-11-20 | Mitsui Chemicals Inc | 包装材 |
JP2002067207A (ja) * | 2000-09-04 | 2002-03-05 | Kyodo Printing Co Ltd | 遮光性積層体 |
JP2002240212A (ja) * | 2001-02-19 | 2002-08-28 | Mitsui Chemicals Inc | 包装材 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006212785A (ja) * | 2005-02-01 | 2006-08-17 | Okamoto Ind Inc | 遮光性フィルム、積層体及び容器 |
JP2008114463A (ja) * | 2006-11-02 | 2008-05-22 | Somar Corp | 遮光フィルム及びその製造方法 |
JP2009039979A (ja) * | 2007-08-10 | 2009-02-26 | Dainippon Printing Co Ltd | 多層積層フィルム |
JP2009241338A (ja) * | 2008-03-31 | 2009-10-22 | Dainippon Printing Co Ltd | プロテクトフィルム |
JP2011068892A (ja) * | 2009-09-28 | 2011-04-07 | Evonik Degussa Gmbh | カーボンブラック、その製造方法並びにその使用 |
JP2014201729A (ja) * | 2013-04-09 | 2014-10-27 | ユニチカ株式会社 | 隠蔽フィルム |
WO2018163883A1 (ja) * | 2017-03-07 | 2018-09-13 | 東洋紡株式会社 | 蒸着基材用ポリエチレン系フィルム及びそれを用いた蒸着フィルム |
JPWO2018163883A1 (ja) * | 2017-03-07 | 2020-01-16 | 東洋紡株式会社 | 蒸着基材用ポリエチレン系フィルム及びそれを用いた蒸着フィルム |
Also Published As
Publication number | Publication date |
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KR101139075B1 (ko) | 2012-04-30 |
JP4361530B2 (ja) | 2009-11-11 |
WO2005005137A3 (ja) | 2005-03-31 |
CN100528555C (zh) | 2009-08-19 |
KR20060037343A (ko) | 2006-05-03 |
CN1852804A (zh) | 2006-10-25 |
TWI347889B (ja) | 2011-09-01 |
TW200526407A (en) | 2005-08-16 |
JPWO2005005137A1 (ja) | 2006-08-24 |
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