WO2016158689A1 - 包装袋体および包装物品 - Google Patents
包装袋体および包装物品 Download PDFInfo
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- WO2016158689A1 WO2016158689A1 PCT/JP2016/059449 JP2016059449W WO2016158689A1 WO 2016158689 A1 WO2016158689 A1 WO 2016158689A1 JP 2016059449 W JP2016059449 W JP 2016059449W WO 2016158689 A1 WO2016158689 A1 WO 2016158689A1
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- WIPO (PCT)
- Prior art keywords
- packaging bag
- packaging
- bag body
- water
- resin powder
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
- B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
- B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/01—Ventilation or drainage of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/16—Large containers flexible
- B65D88/22—Large containers flexible specially adapted for transport
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
Definitions
- the present invention relates to a packaging bag body for packaging water-absorbent resin powder, and a packaging article in which the water-absorbent resin powder is packaged in the packaging bag body.
- Water-absorbent resins are disposable diapers, sanitary materials such as sanitary items, daily necessities such as pet sheets, water-absorbing sheets for food, water-stopping materials for cables, anti-condensation materials, and other water-retaining agents and soils for greening / agriculture / horticulture Widely used in improving agents.
- the water-absorbing resin is used as a sanitary material.
- Such a water-absorbing resin is usually a lightly crosslinked polymer such as a hydrolyzate of starch-acrylonitrile graft copolymer (see Patent Document 1) and starch-acrylic acid graft copolymer.
- Starch-based water-absorbing resin such as Japanese (see Patent Document 2), saponified vinyl acetate-acrylic acid ester copolymer (see Patent Document 3), and partially neutralized polyacrylic acid (Patent Documents 4, 5, 6) is known.
- the water-absorbent resin is produced as a powder comprising water-absorbent resin particles by drying a polymerization reaction liquid produced by a polymerization reaction of a water-soluble ethylenically unsaturated monomer in a liquid medium with a dryer. .
- water-absorbing resin powder powders made of water-absorbing resin particles
- paper bags paper bags that are bags made of paper, and the like.
- a bag body such as a flexible container or a paper bag body is used as a package for the water-absorbent resin powder.
- a resin sheet having a gas barrier property is formed in a bag shape inside a bag body such as a flexible container or a paper bag body. It is conceivable to use a packaged bag (see Patent Documents 7 and 8).
- the packaging article including the packaging body of the water-absorbent resin powder packaged and sealed using the packaging bag body is made of a resin sheet having gas barrier properties, an external force is applied to the packaging article, As a result, even when an external force is applied to the package body, the release of the air present together with the water absorbent resin powder in the package bag body from the package bag body to the outside is suppressed. For this reason, the package article deformed by the external force applied to the package article is elastic due to the air present in the package bag.
- An object of the present invention is a packaging bag body for packaging water-absorbent resin powder, which can suppress deterioration of characteristics as a water-absorbent resin and is packaged using the packaging bag body. It is to provide a packaging bag body and a packaging article capable of suppressing the occurrence of load collapse when a plurality of packaging articles including a packaging body of water absorbent resin powder are stacked.
- One aspect of the present invention is a packaging bag for packaging water absorbent resin powder having a mass median diameter of 150 ⁇ m or more, A resin sheet having a gas barrier property is formed into a bag shape having an opening, It is a packaging bag body provided with a cut having a length of 0.5 mm or less penetrating in the thickness direction of the resin sheet.
- One embodiment of the present invention is a packaging bag body for packaging a water absorbent resin powder having a mass median diameter of less than 150 ⁇ m, A resin sheet having a gas barrier property is formed into a bag shape having an opening, It is a packaging bag body provided with a cut having a length of 0.1 mm or less penetrating in the thickness direction of the resin sheet.
- the cut is provided at a position separated from the outer peripheral edge in a plan view of the packaging bag.
- one aspect of the present invention is a packaging body comprising the packaging bag body and a water absorbent resin powder packaged in the packaging bag body,
- a packaging article comprising an outer bag body made of kraft paper having gas permeability and containing the packaging body.
- one aspect of the present invention is a packaging body comprising the packaging bag body and a water absorbent resin powder packaged in the packaging bag body,
- a packaging article comprising: an outer bag body containing the packaging body, which is made of a flexible container having gas permeability.
- the packaging bag of one embodiment of the present invention is for packaging a water absorbent resin powder having a mass median diameter of 150 ⁇ m or more.
- This packaging bag is formed by forming a resin sheet having gas barrier properties into a bag shape having an opening.
- the resin sheet is provided with a cut having a length of 0.5 mm or less penetrating in the thickness direction of the resin sheet.
- the resin sheet having gas barrier properties constituting the packaging bag body of one embodiment of the present invention has a cut having a length of 0.5 mm or less that is predetermined according to the mass median diameter of 150 ⁇ m or more of the water-absorbent resin powder.
- the packaging bag body of one embodiment of the present invention includes a packaging body of water-absorbent resin powder that is packaged using the packaging bag body and can suppress deterioration of the characteristics as the water-absorbing resin. Occurrence of load collapse when a plurality of packaging articles are stacked can be suppressed.
- the packaging bag of one embodiment of the present invention is for packaging a water-absorbent resin powder having a mass median diameter of less than 150 ⁇ m.
- This packaging bag is formed by forming a resin sheet having gas barrier properties into a bag shape having an opening.
- the resin sheet is provided with a cut having a length of 0.1 mm or less penetrating in the thickness direction of the resin sheet.
- the resin sheet having gas barrier properties constituting the packaging bag body of one embodiment of the present invention has a cut having a length of 0.1 mm or less that is predetermined according to the mass median diameter of the water absorbent resin powder of less than 150 ⁇ m.
- the packaging bag body of one embodiment of the present invention includes a packaging body of water-absorbent resin powder that is packaged using the packaging bag body and can suppress deterioration of the characteristics as the water-absorbing resin. Occurrence of load collapse when a plurality of packaging articles are stacked can be suppressed.
- the cut is provided at a position separated from the outer peripheral edge in a plan view of the packaging bag body.
- the air present in the packaging bag tends to be released to the outside.
- the force is maximized at the outer peripheral edge in a plan view of the packaging bag body instantaneously when the packaging bag body is deformed according to the release of air.
- the packaging article of one embodiment of the present invention contains the packaging body composed of the packaging bag body and the water-absorbent resin powder packaged in the packaging bag body, and the packaging body composed of gas-permeable kraft paper. This can be realized by the outer bag body.
- the water absorbent resin powder is packaged by the packaging bag according to the present invention, the occurrence of collapse of the load when a plurality of packaging articles are stacked is suppressed.
- the packaging article of one embodiment of the present invention contains the packaging body composed of the packaging bag body, the water absorbent resin powder packaged in the packaging bag body, and the packaging body composed of a gas permeable flexible container. This can be realized by the outer bag body.
- the water absorbent resin powder is packaged by the packaging bag according to the present invention, the occurrence of collapse of the load when a plurality of packaging articles are stacked is suppressed.
- FIG. 1 It is the schematic which shows the modification of the packaging bag body 1 and the packaging bag body 1A. It is the schematic which shows the modification of the packaging bag body 1 and the packaging bag body 1A. It is the schematic which shows the structure of the packaging article 100 which concerns on one Embodiment of this invention. It is a figure which shows the state which piled up the packaging article 100 on the pallet P. FIG. It is the schematic which shows the structure of the packaging article 200 which concerns on one Embodiment of this invention. It is a figure which shows the state which stacked the packaging article 200 on the pallet P. FIG.
- FIG. 1A and 1B are schematic views illustrating the configuration of a packaging bag body 1 according to an embodiment of the present invention.
- the packaging bag body 1 is for packaging water absorbent resin powder having a mass median diameter of 150 ⁇ m or more.
- the upper limit value of the mass median diameter of the water absorbent resin powder is not particularly limited, and is, for example, 1000 ⁇ m or less, or 550 ⁇ m or less.
- the water absorbent resin powder is a powder made of water absorbent resin particles.
- the water-absorbent resin can be produced by polymerizing a water-soluble ethylenically unsaturated monomer.
- the polymerization method of the water-soluble ethylenically unsaturated monomer is not particularly limited, and typical polymerization methods such as an aqueous solution polymerization method, an emulsion polymerization method, and a reverse phase suspension polymerization method are used.
- aqueous solution polymerization method for example, polymerization is performed by heating an aqueous solution of a water-soluble ethylenically unsaturated monomer, an internal cross-linking agent, and a water-soluble radical polymerization initiator with stirring as necessary.
- water is treated as a liquid medium, and a polymerization reaction is performed with a water-soluble ethylenically unsaturated monomer in an aqueous solution state.
- an aqueous solution of a water-soluble ethylenically unsaturated monomer, a surfactant, a hydrophobic polymer dispersant, a water-soluble radical polymerization initiator, and an internal cross-linking agent are converted into petroleum carbonization.
- Polymerization is carried out by heating under stirring in a hydrogen dispersion medium.
- water and a petroleum hydrocarbon dispersion medium are treated as a liquid medium, and an aqueous solution of a water-soluble ethylenically unsaturated monomer is added to the petroleum hydrocarbon dispersion medium. A polymerization reaction takes place.
- the water-absorbent resin powder can be obtained by drying a polymerization reaction liquid produced by a polymerization reaction in a liquid medium of a water-soluble ethylenically unsaturated monomer with a dryer.
- the mass median diameter of the water-absorbent resin powder is an integration obtained by sequentially integrating the mass of particles remaining on each sieve when the water-absorbent resin powder is classified with a sieve. It means the particle diameter corresponding to the sieve opening when the mass reaches 50% by mass of the total mass of the particles.
- Approx. 50g of water-absorbent resin powder is put on the combined uppermost sieve, and it is classified by shaking for 20 minutes using a low-tap shaker. After classification, the mass of the water-absorbent resin powder remaining on each sieve is calculated as a mass percentage with respect to the total amount of the water-absorbent resin powder, and the particles are accumulated in order from the larger particle diameter. Thereafter, the relationship between the sieve opening and the integrated value of the mass percentage of the water absorbent resin powder remaining on the sieve is plotted on a logarithmic probability paper. By connecting the plots on the probability paper with a straight line, the particle diameter corresponding to the integrated mass percentage of 50 mass% is defined as the mass median diameter. In “Combination A”, when the mesh opening is 45 ⁇ m and the pass exceeds 50%, the mass median diameter is measured by the Coulter counter method.
- the packaging bag body 1 of the present embodiment is formed by forming a resin sheet 2 having gas barrier properties into a bag shape having a charging opening for charging the water absorbent resin powder into the packaging bag body 1.
- the method for forming the packaging bag body 1 is not particularly limited. For example, a method using a bottomed cylindrical resin sheet 2, one opening edge of the cylindrical resin sheet 2 is welded by heat sealing or the like. A method of bonding one opening edge of the cylindrical resin sheet 2 with a bonding resin sheet, a method of binding one opening edge of the cylindrical resin sheet 2 with a stopper, etc. And a method of welding the outer peripheral edges by superimposing two resin sheets 2.
- a packaging bag body 1 formed in a bag shape using a resin sheet 2 has a structure in which a pair of resin sheet pieces 2a and 2b are arranged to face each other in plan view. And the packaging bag body 1 is provided with a cut 3 having a length of 0.5 mm or less penetrating the resin sheet 2 in the thickness direction of the resin sheet 2. More specifically, the packaging bag body 1 is provided with cuts 3 in at least one of the pair of resin sheet pieces 2a and 2b in a plan view.
- FIG. 1A and 1B illustrate a state in which the packaging bag body 1 is viewed from above, and a part of one resin sheet piece 2a is illustrated so that the configuration of the packaging bag body 1 can be easily understood. Notched.
- the material constituting the resin sheet 2 is not particularly limited as long as it is a synthetic resin having gas barrier properties.
- a synthetic resin having gas barrier properties for example, polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polyvinyl chloride (PVC) and the like, and aluminum laminate materials and aluminum vapor deposition materials based on these resins can be mentioned.
- the pair of resin sheet pieces 2a and 2b are formed in a rectangular plate shape, and the long side outer peripheral edge ends 21a and 21b corresponding to the long sides facing each other and the short sides facing each other.
- the short side outer peripheral edges 22b corresponding to one short side are welded to each other, and the remaining short side outer peripheral edges 22a are opened without being welded.
- the opened short side outer peripheral edge 22 a serves as a charging opening for charging the water absorbent resin powder into the packaging bag body 1.
- the thickness of the resin sheet 2 in other words, the thickness of each resin sheet piece 2a, 2b constituting the resin sheet 2 is, for example, 10 to 300 ⁇ m.
- each of the resin sheet pieces 2a and 2b constituting the resin sheet 2 is appropriately set according to the amount of water absorbent resin powder filled in the packaging bag body 1, and is, for example, an outer bag made of craft paper described later.
- the length of the long side is 700 to 1000 mm and the length of the short side is 10 to 30 kg of water absorbent resin powder. 300 to 600 mm.
- the long side length is longer than that of 300 to 1500 kg of water absorbent resin powder. 2800 to 4000 mm, and the length of the short side is 1500 to 2300 mm.
- a cut line 3 provided in at least one resin sheet piece 2a, 2b of the resin sheet 2 and penetrating in the thickness direction includes a blade having a blade edge (such as a cutter knife) and a needle-shaped blade having a tapered tip (such as an injection needle). ), Or a cutting edge formed by pressing a cross-shaped blade or the like against at least one of the resin sheet pieces 2a and 2b and cutting the resin sheet pieces 2a and 2b.
- the cut 3 is not particularly limited in shape.
- the cut 3 is represented by a shape represented by a single line segment, a shape represented by a combination of a plurality of line segments, or a curve such as a circle or an ellipse. Shape.
- the length of the cut 3 is the longest length of the cut mark.
- the length of the cut 3 having a shape represented by one line segment is the length of the line segment
- the length of the cut 3 having a shape represented by a combination of a plurality of line segments is:
- the length of the cut line 3 having the longest line segment and having a shape represented by a curved line such as a circle or an ellipse formed by a needle-shaped blade with a tapered tip is a major axis.
- the cut 3 is provided at the same position on both the resin sheet pieces 2 a and 2 b in the resin sheet 2.
- the resin sheet 2 having a gas barrier property constituting the packaging bag body 1 of the present embodiment has a cut 3 having a length of 0.5 mm or less that is predetermined according to the mass median diameter of 150 ⁇ m or more of the water-absorbent resin powder. Therefore, when the water absorbent resin powder is packaged using the packaging bag body 1, leakage of the water absorbent resin powder from the cut 3 in the packaging bag body 1 is suppressed. Maintains the effect of suppressing the intrusion of gas such as moisture in the atmosphere into the packaging bag body 1 and releases the air present with the water-absorbent resin powder in the packaging bag body 1 from the cut 3 to the outside of the packaging bag body 1. can do.
- the packaging bag body 1 can suppress deterioration of the characteristics as the water absorbent resin, and a plurality of packaging articles including a packaging body of the water absorbent resin powder packaged using the packaging bag body 1. It is possible to suppress the occurrence of load collapse when stacked.
- the reason why leakage of the water absorbent resin powder in the packaging bag 1 from the cut 3 is suppressed is that the water absorbent resin powder forms an arch structure in the vicinity of the cut 3 and the water absorbent resin It is presumed that this is due to a clogging phenomenon that prevents the powder from flowing out from the slits 3.
- the ease of occurrence of this clogging phenomenon can be represented by, for example, the fluidity index of the powder described in “Chemical Engineering Handbook” (Edited by the Chemical Engineering Association, Rev. 5th Edition, p.254-255). According to the “Chemical Engineering Handbook”, the fluidity index of the water-absorbent resin powder is calculated based on the angle of repose, the degree of compression, the spatula angle, the degree of aggregation, and the uniformity.
- the number of cuts 3 in the resin sheet 2 is not particularly limited.
- the packaging bag body 1 used for the packaging article 100 including the outer bag body 102 made of craft paper described later the packaging bag body 1 is viewed in plan view.
- the number of external shapes per unit area is preferably 0.000001 to 0.0001 pieces / mm 2 , more preferably 0.000003 to 0.00005 pieces / mm 2 .
- the number per unit area of the outer shape when the packaging bag body 1 is viewed in plan is 0.0000001.
- the number is preferably 0.00005 pieces / mm 2 , and more preferably 0.0000002 to 0.000003 pieces / mm 2 .
- the number of cuts 3 per unit area is less than the lower limit, when the water absorbent resin powder is packaged using the packaging bag body 1, it exists with the water absorbent resin powder in the packaging bag body 1. There is a risk that the effect of releasing air from the cuts 3 will be reduced.
- the number of the cuts 3 per unit area exceeds the upper limit, when the water absorbent resin powder is packaged using the packaging bag 1, a packaging bag of gas such as moisture in the atmosphere. There is a possibility that the effect of suppressing the intrusion into 1 will be reduced.
- the cut 3 is provided at a position separated from the outer peripheral edge in the plan view of the packaging bag body 1. More specifically, the cut 3 is preferably provided at a position separated from the outer peripheral edges of the pair of resin sheet pieces 2a and 2b in the plan view of the packaging bag body 1. That is, the cut 3 is provided in a region on the inner side of a position spaced a predetermined distance from the outer peripheral edge of the pair of resin sheet pieces 2a and 2b.
- the packaging bag body 1 is provided with one cut 3 along the long side outer peripheral edge 21a of the pair of resin sheet pieces 2a, 2b, and the long side outer peripheral edge. Two cuts 3 are provided along the end 21b.
- the packaging bag body 1 is provided with two cuts 3 along the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a, 2b.
- the packaging bag body 1 is provided with two cuts 3 along the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a and 2b, and the short side outer peripheral edge.
- One cut 3 is provided along the end 22b.
- the packaging bag body 1 is provided with three cuts 3 along one diagonal line of the pair of resin sheet pieces 2a and 2b.
- the air present in the packaging bag body 1 is released to the outside.
- the force to be obtained is instantaneously maximized at the outer peripheral edge of the packaging bag body 1 in plan view when the packaging bag body 1 is deformed according to the release of air.
- FIG. 2A and FIG. 2B are schematic views showing the configuration of a packaging bag body 1A according to an embodiment of the present invention.
- the packaging bag body 1A of the present embodiment is similar to the packaging bag body 1 described above, and corresponding portions are denoted by the same reference numerals and description thereof is omitted.
- the packaging bag body 1A is configured in the same manner as the packaging bag body 1 except that the configuration of the cut 3A is different from the configuration of the cut 3 described above.
- the packaging bag body 1A is for packaging water absorbent resin powder having a mass median diameter of less than 150 ⁇ m. In addition, it does not specifically limit about the lower limit of the mass median diameter of water absorbent resin powder, For example, it is 10 micrometers or more.
- the packaging bag body 1A of the present embodiment is formed by forming a resin sheet 2 having a gas barrier property into a bag shape having a charging opening for charging a water absorbent resin powder into the packaging bag body 1A.
- the method for forming the packaging bag body 1A is not particularly limited, and examples thereof include the same method as that for the packaging bag body 1 described above.
- a packaging bag body 1A formed using a resin sheet 2 in a bag shape has a structure in which a pair of resin sheet pieces 2a and 2b are arranged to face each other in a plan view.
- the packaging bag body 1 ⁇ / b> A is provided with a cut 3 ⁇ / b> A having a length of 0.1 mm or less penetrating the resin sheet 2 in the thickness direction of the resin sheet 2. More specifically, the packaging bag body 1A is provided with a cut 3A in at least one of the pair of resin sheet pieces 2a and 2b in a plan view.
- FIGS. 2A and 2B illustrate a state in which the packaging bag body 1A is viewed in plan, and a part of one resin sheet piece 2a is illustrated so that the configuration of the packaging bag body 1A can be easily understood. Notched.
- the pair of resin sheet pieces 2a and 2b are formed in a rectangular plate shape, and the long side outer peripheral edge ends 21a and 21b corresponding to the long sides facing each other and the short sides facing each other.
- the short side outer peripheral edges 22b corresponding to one short side are welded to each other, and the remaining short side outer peripheral edges 22a are opened without being welded.
- the opened short side outer peripheral edge 22a serves as a charging opening for charging the water absorbent resin powder into the packaging bag body 1A.
- the thickness of the resin sheet 2 in other words, the thickness of the resin sheet pieces 2a and 2b constituting the resin sheet 2 is, for example, 10 to 300 ⁇ m.
- each resin sheet piece 2a, 2b which comprises the resin sheet 2 is suitably set with the quantity of the water absorbing resin powder with which the packaging bag body 1A is filled, for example, the below-mentioned craft
- the long side length is 700 to 1000 mm and the short side length is 10 to 30 kg filled with water absorbent resin powder.
- the length of the side is 300 to 600 mm.
- the length of the long side is larger than that of 300 to 1500 kg of water absorbent resin powder. 2800 to 4000 mm, and the length of the short side is 1500 to 2300 mm.
- a cut line 3A penetrating in the thickness direction provided in at least one of the resin sheet pieces 2a and 2b of the resin sheet 2 is a blade having a blade edge (such as a cutter knife) or a needle-shaped blade having a tapered tip (such as an injection needle). ), Or a cutting edge formed by pressing a cross-shaped blade or the like against at least one of the resin sheet pieces 2a and 2b and cutting the resin sheet pieces 2a and 2b.
- the cut line 3A is not particularly limited in shape.
- the cut line 3A is represented by a shape represented by a single line segment, a shape represented by a combination of a plurality of line segments, a curve such as a circle or an ellipse. Shape.
- the length of the cut 3A is the longest length of the cut mark.
- the length of the cut 3A having a shape represented by one line segment is the length of the line segment
- the length of the cut 3A having a shape represented by a combination of a plurality of line segments is:
- the length of the cut line 3A, which is the length of the longest line segment and has a shape represented by a curve such as a circle or an ellipse formed by a needle-shaped blade with a tapered tip, is a major axis.
- the cut 3A is provided at the same position on both the resin sheet pieces 2a and 2b in the resin sheet 2.
- the resin sheet 2 having gas barrier properties constituting the packaging bag body 1A of the present embodiment has a cut 3A having a length of 0.1 mm or less that is predetermined according to the mass median diameter of the water absorbent resin powder of less than 150 ⁇ m. Therefore, when the water absorbent resin powder is packaged using the packaging bag body 1A, leakage of the water absorbent resin powder from the cut 3A in the packaging bag body 1A is suppressed. Maintains the effect of suppressing the intrusion of gas such as moisture in the atmosphere into the packaging bag body 1A, and releases the air present with the water-absorbent resin powder in the packaging bag body 1A from the cut 3A to the outside of the packaging bag body 1A. can do.
- the packaging bag body 1A can suppress deterioration of the characteristics as the water absorbent resin, and a plurality of packaging articles including the water absorbent resin powder package body packaged using the packaging bag body 1A. It is possible to suppress the occurrence of load collapse when stacked.
- the number of cuts 3A in the resin sheet 2 is not particularly limited.
- the packaging bag body 1A used for a packaging article 100 including an outer bag body 102 made of craft paper described later the packaging bag body 1A is viewed in plan view.
- the number of the outer shape per unit area is preferably 0.000001 to 0.03 / mm 2 , more preferably 0.00001 to 0.01 / mm 2 .
- the number per unit area of the outer shape when the packaging bag body 1A is viewed in plan is 0.0000001.
- the number of cuts 3A per unit area is less than the lower limit, the water-absorbent resin powder is present in the packaging bag body 1A when the water-absorbent resin powder is packaged using the packaging bag body 1A. There is a possibility that the effect of releasing air from the cut 3A will be reduced.
- a packaging bag body of gas such as moisture in the atmosphere when the water absorbent resin powder is packaged using the packaging bag body 1A. There is a possibility that the effect of suppressing intrusion into 1A may be reduced.
- the cut 3A is provided at a position separated from the outer peripheral edge in a plan view of the packaging bag body 1A. More specifically, the cut 3A is preferably provided at a position separated from the outer peripheral edges of the pair of resin sheet pieces 2a and 2b in the plan view of the packaging bag body 1A. That is, the cut 3A is provided in a region on the inner side of the position spaced apart from the outer peripheral edges of the pair of resin sheet pieces 2a and 2b by a predetermined distance.
- the packaging bag body 1A is provided with a plurality of cuts 3A along the long side outer peripheral edge 21a of the pair of resin sheet pieces 2a, 2b, and the long side outer peripheral edge.
- a plurality of cuts 3A are provided along 21b.
- the packaging bag body 1A is provided with a plurality of cuts 3A along the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a, 2b.
- the packaging bag body 1A is provided with a plurality of cuts 3A along the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a, 2b, and the short side outer peripheral edge A plurality of cuts 3A are provided along 22b, a plurality of cuts 3A are provided along the long side outer peripheral edge 21a, and a plurality of cuts 3A are provided along the long side outer peripheral edge 21b.
- the packaging bag body 1A is provided with a plurality of cuts 3A along one diagonal line of the pair of resin sheet pieces 2a and 2b.
- the air present in the packaging bag body 1A is released to the outside.
- the force to be obtained is maximized at the outer peripheral edge in a plan view of the packaging bag body 1A instantaneously when the packaging bag body 1A is deformed according to the release of air.
- Such a position separated from the outer peripheral edge in a plan view of the packaging bag body 1A that is, in a region on the inner side from a position separated by a predetermined distance from the outer peripheral edge of the pair of resin sheet pieces 2a and 2b.
- FIG. 3A to FIG. 3D are schematic views showing a modified example of the packaging bag body 1 and the packaging bag body 1A.
- the packaging bag bodies 1 and 1A shown in FIGS. 3A to 3D are suitable as a packaging bag body used for a packaging article 200 including an outer bag body 202 made of a flexible container described later.
- the packaging bag bodies 1 and 1A are formed into a bag shape using a bottomed cylindrical resin sheet 2.
- the packaging bag bodies 1 and 1A are formed in a bag shape by welding one open edge of the cylindrical resin sheet 2 by heat sealing or the like.
- the packaging bag bodies 1 and 1A are formed in a bag shape by welding one open edge of the square cylindrical resin sheet 2 by heat sealing or the like.
- the packaging bag body 1, 1 ⁇ / b> A is formed in a bag shape with one opening edge of the cylindrical resin sheet 2 being restrained by a stopper or the like.
- the packaging bag bodies 1 and 1A are formed in a bag shape by welding one opening edge of a square cylindrical resin sheet 2 with one end tapered by heat sealing or the like. Become.
- the packaging bag bodies 1 and 1A are formed into a bag shape by welding one (lower) opening edge of the two-sided tapered cylindrical resin sheet 2 by heat sealing or the like. Formed. The other (upper) opening edge may be restrained by a stopper or the like.
- the packaging bag bodies 1 and 1A are formed in a bag shape by welding one open edge of the square tubular resin sheet 2 by heat sealing or the like.
- the opening edge is restrained with a stopper or the like. May be.
- FIG. 4 is a schematic diagram showing the configuration of the packaging article 100 according to one embodiment of the present invention.
- FIG. 5 is a diagram illustrating a state in which the packaging articles 100 are stacked on the pallet P.
- the packaging article 100 of the present embodiment includes the packaging bag body 1 or the packaging bag body 1A described above and the water absorbent resin powder packaged in the packaging bag bodies 1 and 1A and sealed in the packaging bag bodies 1 and 1A. And an outer bag 102 made of kraft paper having gas permeability and containing the package 101. In the packaged article 100, a plurality of outer bag bodies 102 may be used.
- the packaging bag body 1 shown in FIG. 1 As a packaging bag body used for the packaging article 100, when the mass median diameter of the water absorbent resin powder is 150 ⁇ m or more, the packaging bag body 1 shown in FIG. When the unit diameter is less than 150 ⁇ m, the packaging bag 1A shown in FIG. 2A (a) is preferable. In the example shown in FIG. 4B, a packaging body 101 using the packaging bag body 1 is shown.
- the package body 101 of the packaged article 100 has a substantially prismatic shape, and the cuts 3 and 3A of the packaging bag bodies 1 and 1A are inward from a position spaced a predetermined distance from the outer peripheral edge of the pair of resin sheet pieces 2a and 2b. Corresponding to the inside region, the package 101 is provided at the corner. More specifically, the cuts 3 and 3A of the packaging bag bodies 1 and 1A are spaced apart from the outer peripheral edges of the pair of resin sheet pieces 2a and 2b by half (1/2 times) the thickness H of the packaging body 101. It is provided at the position.
- the packaging body 101 in which the water-absorbing resin powder is filled in the packaging bag bodies 1 and 1A is allowed to stand, stir, vibrate, tapping, etc. during and / or after filling the water-absorbing resin powder. It is obtained by welding the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a, 2b to be the openings by heat sealing or the like.
- the outer bag body 102 may be provided with cuts at positions corresponding to the cuts 3 and 3A of the packaging bag bodies 1 and 1A.
- a plurality of the packaged articles 100 are stacked on the pallet P during transportation or storage. Further, a structure in which a plurality of packaging articles 100 are stacked on the pallet P may be used as one block, and a plurality of the blocks may be stacked. Further, the packaging article 100 may be arranged on the pallet P without stacking a plurality of the packaging articles 100.
- the pallet P on which the packaging article 100 is arranged in this way is set as one block, and the plurality of blocks are arranged. They may be stacked.
- a plurality of packaged articles 100 are arranged in a single layer, and a total of two layers are stacked.
- five packaging articles 100 are arranged on the first stage
- five packaging articles 100 are arranged on the second stage.
- the packaging article 100 stacked in a plurality of stages on the pallet P is fixed to the pallet P by a conventionally known stretch film or lashing belt.
- the packaging article 100 of the present embodiment has a suppressed occurrence of load collapse when a plurality of packaging articles 100 are stacked. Become.
- FIG. 6 is a schematic view showing a configuration of a packaging article 200 according to an embodiment of the present invention.
- FIG. 7 is a diagram illustrating a state in which the packaging articles 200 are stacked on the pallet P.
- the packaging article 200 of the present embodiment includes the packaging bag body 1 or the packaging bag body 1A described above, and the water absorbent resin powder packaged in the packaging bag bodies 1 and 1A and sealed in the packaging bag bodies 1 and 1A.
- the packaging bag body 1 shown in FIG. 1A (b) As a packaging bag body used for the packaging article 200, when the mass median diameter of the water absorbent resin powder is 150 ⁇ m or more, the packaging bag body 1 shown in FIG. 1A (b) is preferable. When the diameter is less than 150 ⁇ m, the packaging bag 1A shown in FIG. 2A (b) is preferable. In the example shown in FIG. 6B, a packaging body 201 using the packaging bag body 1 is shown.
- the package 201 of the packaged article 200 has a substantially columnar shape, and the cuts 3 and 3A of the packaging bag bodies 1 and 1A are inward of a position spaced a predetermined distance from the outer peripheral edges of the pair of resin sheet pieces 2a and 2b. Corresponding to the region on the side, the package 201 is provided in the peripheral region of the intersection of the upper surface and the peripheral surface.
- the packaging body 201 in which the water-absorbent resin powder is filled in the packaging bag bodies 1 and 1A is allowed to stand, stir, vibrate, tapping, etc. during and / or after filling the water-absorbent resin powder. It is obtained by constraining the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a, 2b serving as openings by the stopper 204.
- the stopper 204 restrains the short side outer peripheral edge 22a of the pair of resin sheet pieces 2a and 2b serving as the input openings, thereby leaking out the water absorbent resin powder filled in the packaging bag bodies 1 and 1A. If it can suppress this, it will not specifically limit, For example, a string, a rubber band, a binding band, etc. can be mentioned.
- the short-side outer peripheral edge 22a of the pair of resin sheet pieces 2a and 2b serving as the input openings may be welded by heat sealing or the like.
- the outer bag body 202 is provided with cuts 203 at positions corresponding to the cuts 3 and 3A of the packaging bag bodies 1 and 1A.
- a plurality of packaging articles 200 are stacked on a pallet P during transportation or storage. Further, a structure in which a plurality of packaging articles 200 are stacked on the pallet P may be used as one block, and a plurality of the blocks may be stacked. Further, the packaging article 200 may be arranged on the pallet P without stacking a plurality of the packaging articles 200.
- the pallet P on which the packaging article 200 is arranged in this way is set as one block, and the plurality of blocks are arranged. They may be stacked. Since the packaging article 200 of the present embodiment is packed with the water-absorbent resin powder by the packaging bag bodies 1 and 1A described above, the occurrence of load collapse when a plurality of packaging articles 200 are stacked is suppressed. Become.
- a plurality of packaging articles 200 stacked on the pallet P as shown in FIG. 7 and a plurality of packaging articles stacked on the pallet P as shown in FIG. 100 may be stacked.
- Example 1 A packaging bag body (size: 762 mm ⁇ 495 mm, thickness: 0.07 mm, cut line: length) shown in FIG. 1A made of 20 kg of a water absorbent resin powder having a mass median diameter of 340 ⁇ m and made of a polyethylene resin sheet. 0.5 mm, 3 places (having a shape represented by a circular curve formed by a needle-shaped blade with a tapered tip)), the opening of the packaging bag body is welded and sealed by heat sealing, A package was obtained. This package was stored in an outer bag body made of two layers of kraft paper, and the opening of the outer bag body was sealed with a sewing machine to obtain a packaged article. The packaged articles thus prepared were arranged on a pallet in five stages, stacked in ten stages, a protective corrugated cardboard sheet was placed on the uppermost stage, and fixed to the pallet with a stretch film.
- the “one-stage five-row” means that one stage is formed by five wrapping articles
- the “5-stage, ten-stage” means that one stage formed by the above five wrapping articles is It is to stack 10 stages upward.
- Example 2 A packaged article was prepared in the same manner as in Example 1 except that 20 kg of water absorbent resin powder having a mass median diameter of 185 ⁇ m was used instead of 20 kg of water absorbent resin powder having a mass median diameter of 340 ⁇ m. .
- the size of the packaging bag was 876 mm ⁇ 545 mm. When this packaged article was transported, it could be transported without collapsing. Moreover, when the packaging article after transport was confirmed, leakage of the water-absorbent resin powder from the cut provided in the packaging bag body was not confirmed.
- Example 3 In Example 1, instead of 20 kg of water absorbent resin powder having a mass median diameter of 340 ⁇ m, 20 kg of water absorbent resin powder having a mass median diameter of 78 ⁇ m was used, and a packaging bag provided with 1500 cuts having a length of 0.1 mm. A packaged article was produced in the same manner as in Example 1 except that the body (size: 740 mm ⁇ 500 mm) was used. When this packaged article was transported, it could be transported without collapsing. Moreover, when the packaging article after transport was confirmed, leakage of the water-absorbent resin powder from the cut provided in the packaging bag body was not confirmed.
- Example 4 In Example 3, a packaged article was prepared in the same manner as in Example 3 except that 20 kg of water absorbent resin powder having a mass median diameter of 24 ⁇ m was used instead of 20 kg of water absorbent resin powder having a mass median diameter of 78 ⁇ m. .
- the size of the packaging bag was 740 mm ⁇ 500 mm. When this packaged article was transported, it could be transported without collapsing. Moreover, when the packaging article after transport was confirmed, leakage of the water-absorbent resin powder from the cut provided in the packaging bag body was not confirmed.
- Example 5 A packaged article was produced in the same manner as in Example 3 except that a packaging bag body (size: 740 mm ⁇ 500 mm) provided with 310 cuts having a length of 0.1 mm in Example 3 was used. When this packaged article was transported, it could be transported without collapsing. Moreover, when the packaging article after transport was confirmed, leakage of the water-absorbent resin powder from the cut provided in the packaging bag body was not confirmed.
- Example 6 a packaged article was produced in the same manner as in Example 4 except that a packaging bag body (size: 740 mm ⁇ 500 mm) provided with 310 cuts having a length of 0.1 mm was used. When this packaged article was transported, it could be transported without collapsing. Moreover, when the packaging article after transport was confirmed, leakage of the water-absorbent resin powder from the cut provided in the packaging bag body was not confirmed.
- Example 1 A packaged article was produced in the same manner as in Example 1 except that a packaging bag body with no cuts was used in Example 1. When this packaged article was transported, cargo collapse occurred.
- Example 2 In Example 2, a packaging article was produced in the same manner as in Example 2 except that a packaging bag body having no cuts was used. When this packaged article was transported, cargo collapse occurred.
- Example 3 A packaged article was produced in the same manner as in Example 3 except that a packaging bag body (size: 762 mm ⁇ 495 mm) provided with three cuts having a length of 0.5 mm was used. When this packaged article was transported, it could be transported without collapsing, but when the packaged article after transportation was confirmed, leakage of the water-absorbent resin powder from the cuts provided in the packaging bag body was confirmed.
- Example 4 a packaging article was produced in the same manner as in Example 3 except that a packaging bag body having no cuts was used.
- the size of the packaging bag was 762 mm ⁇ 495 mm. When this packaged article was transported, cargo collapse occurred.
- Example 5 A packaged article was produced in the same manner as in Example 4 except that a packaging bag body (size: 762 mm ⁇ 495 mm) provided with three cuts having a length of 0.5 mm was used. When this packaged article was transported, it could be transported without collapsing, but when the packaged article after transportation was confirmed, leakage of the water-absorbent resin powder from the cuts provided in the packaging bag body was confirmed.
- Example 6 (Comparative Example 6)
- a packaging article was produced in the same manner as in Example 4 except that a packaging bag body having no cuts was used.
- the size of the packaging bag was 762 mm ⁇ 495 mm. When this packaged article was transported, cargo collapse occurred.
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Abstract
Description
ガスバリア性を有する樹脂シートが、開口を有した袋状に形成されて成り、
前記樹脂シートの厚み方向に貫通した、長さ0.5mm以下の切り目が設けられた包装袋体である。
ガスバリア性を有する樹脂シートが、開口を有した袋状に形成されて成り、
前記樹脂シートの厚み方向に貫通した、長さ0.1mm以下の切り目が設けられた包装袋体である。
ガス透過性を有するクラフト紙から成る、前記包装体を収納する外袋体と、を含むことを特徴とする包装物品である。
ガス透過性を有するフレキシブルコンテナから成る、前記包装体を収納する外袋体と、を含むことを特徴とする包装物品である。
図1Aおよび図1Bは、本発明の一実施形態に係る包装袋体1の構成を示す概略図である。包装袋体1は、質量中位径が150μm以上の吸水性樹脂粉体を包装するためのものである。なお、吸水性樹脂粉体の質量中位径の上限値については、特に限定されず、たとえば、1000μm以下であり、または550μm以下である。
JIS標準篩を上から、目開き500μmの篩、目開き250μmの篩、目開き180μmの篩、目開き150μmの篩、目開き106μmの篩、目開き75μmの篩、目開き45μmの篩および受け皿の順に組み合わせる。
<組み合わせB>
JIS標準篩を上から、目開き850μmの篩、目開き600μmの篩、目開き500μmの篩、目開き425μmの篩、目開き250μmの篩、目開き150μmの篩、目開き75μmの篩および受け皿の順に組み合わせる。
<水分率>
吸水性樹脂粉体約2.5gをアルミカップに精秤し(Xg)、105℃の熱風乾燥機を用いて2時間乾燥後、乾燥した吸水性樹脂粉体の質量(Yg)を測定して、下記式より水分率を算出した。(アルミカップの乾燥前後の風袋質量は一定とした。)
水分率(%)=(X-Y)÷X × 100
500mL容のビーカーに、0.9質量%食塩水(生理食塩水)500gを量り取り、600rpmで撹拌させながら、吸水性樹脂粉体2.0gを、ママコが発生しないように分散させた。撹拌させた状態で30分間放置し、吸水性樹脂粉体を十分に膨潤させた。その後、綿袋(メンブロード60番、横100mm×縦200mm)中に注ぎ込み、綿袋の上部を輪ゴムで縛り、遠心力が167Gとなるよう設定した脱水機(国産遠心機株式会社製、品番:H-122)を用いて綿袋を1分間脱水し、脱水後の膨潤ゲルを含んだ綿袋の質量Wa(g)を測定した。吸水性樹脂粉体を添加せずに同様の操作を行ない、綿袋の湿潤時の空質量Wb(g)を測定し、以下の式から保水能を算出した。
生理食塩水保水能(g/g)=[Wa-Wb](g)/吸水性樹脂粒子の質量(g)
500mLビーカーに0.9質量%食塩水(生理食塩水)500gを入れ、これに吸水性樹脂粉体2.0gを添加して60分間撹拌した。目開き75μmのJIS標準篩いの質量Wa(g)をあらかじめ測定しておき、これを用いて、前記ビーカーの内容物をろ過し、篩いを水平に対して約30度の傾斜角となるように傾けた状態で、30分間放置することにより余剰の水分をろ別した。吸水ゲルの入った篩いの質量Wb(g)を測定し、以下の式により、吸水能を求めた。
吸水能(g/g)=(Wb-Wa)÷2.0
質量中位径340μmの吸水性樹脂粉体20kgを、ポリエチレン製の樹脂シートから成る、図1A(a)に示す包装袋体(大きさ:762mm×495mm、厚み:0.07mm、切り目:長さ0.5mm,3箇所(先端先細の針状の刃物によって形成された円形の曲線で表される形状を有する))に充填し、包装袋体の投入開口をヒートシールにより溶着して封緘し、包装体とした。この包装体を、クラフト紙2層から成る外袋体に収納し、外袋体の開口をミシン縫いにより封緘し、包装物品とした。このようにして作製した包装物品を、パレット上に1段5配で配置し、10段に積み上げ、最上段に保護用のダンボールシートを載せ、ストレッチフィルムでパレットに固定した。
実施例1において、質量中位径340μmの吸水性樹脂粉体20kgの代わりに質量中位径185μmの吸水性樹脂粉体20kgを用いた他は実施例1と同様にして、包装物品を作製した。なお、包装袋体の大きさは、876mm×545mmとした。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができた。また、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れは確認されなかった。
実施例1において、質量中位径340μmの吸水性樹脂粉体20kgの代わりに質量中位径78μmの吸水性樹脂粉体20kgを用い、長さ0.1mmの切り目が1500個設けられた包装袋体(大きさ:740mm×500mm)を用いた他は実施例1と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができた。また、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れは確認されなかった。
実施例3において、質量中位径78μmの吸水性樹脂粉体20kgの代わりに質量中位径24μmの吸水性樹脂粉体20kgを用いた他は実施例3と同様にして、包装物品を作製した。なお、包装袋体の大きさは、740mm×500mmとした。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができた。また、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れは確認されなかった。
実施例3において、長さ0.1mmの切り目が310個設けられた包装袋体(大きさ:740mm×500mm)を用いた他は実施例3と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができた。また、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れは確認されなかった。
実施例4において、長さ0.1mmの切り目が310個設けられた包装袋体(大きさ:740mm×500mm)を用いた他は実施例4と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができた。また、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れは確認されなかった。
実施例1において、切り目が設けられていない包装袋体を用いた他は実施例1と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れが発生した。
実施例2において、切り目が設けられていない包装袋体を用いた他は実施例2と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れが発生した。
実施例3において、長さ0.5mmの切り目が3個設けられた包装袋体(大きさ:762mm×495mm)を用いた他は実施例3と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができたが、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れが確認された。
実施例3において、切り目が設けられていない包装袋体を用いた他は実施例3と同様にして、包装物品を作製した。なお、包装袋体の大きさは、762mm×495mmとした。この包装物品の輸送を実施したところ、荷崩れが発生した。
実施例4において、長さ0.5mmの切り目が3個設けられた包装袋体(大きさ:762mm×495mm)を用いた他は実施例4と同様にして、包装物品を作製した。この包装物品の輸送を実施したところ、荷崩れせずに輸送することができたが、輸送後の包装物品を確認したところ、包装袋体に設けられた切り目からの吸水性樹脂粉体の漏れが確認された。
実施例4において、切り目が設けられていない包装袋体を用いた他は実施例4と同様にして、包装物品を作製した。なお、包装袋体の大きさは、762mm×495mmとした。この包装物品の輸送を実施したところ、荷崩れが発生した。
2 樹脂シート
2a,2b 樹脂シート片
3,3A 切り目
21a,21b 長辺側外周縁端
22a,22b 短辺側外周縁端
100 包装物品
101 包装体
102 外袋体
200 包装物品
201 包装体
202 外袋体
203 切り目
204 止め具
P パレット
Claims (5)
- 質量中位径が150μm以上の吸水性樹脂粉体を包装するための包装袋体であって、
ガスバリア性を有する樹脂シートが、開口を有した袋状に形成されて成り、
前記樹脂シートの厚み方向に貫通した、長さ0.5mm以下の切り目が設けられた包装袋体。 - 質量中位径が150μm未満の吸水性樹脂粉体を包装するための包装袋体であって、
ガスバリア性を有する樹脂シートが、開口を有した袋状に形成されて成り、
前記樹脂シートの厚み方向に貫通した、長さ0.1mm以下の切り目が設けられた包装袋体。 - 前記切り目は、包装袋体の平面視において、外周縁端から離間した位置に設けられていることを特徴とする請求項1または2に記載の包装袋体。
- 請求項3に記載の包装袋体と、該包装袋体に包装された吸水性樹脂粉体とから成る包装体と、
ガス透過性を有するクラフト紙から成る、前記包装体を収納する外袋体と、を含むことを特徴とする包装物品。 - 請求項3に記載の包装袋体と、該包装袋体に包装された吸水性樹脂粉体とから成る包装体と、
ガス透過性を有するフレキシブルコンテナから成る、前記包装体を収納する外袋体と、を含むことを特徴とする包装物品。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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CN201680007463.8A CN107207128A (zh) | 2015-03-30 | 2016-03-24 | 包装袋体及包装物品 |
US15/557,218 US11667457B2 (en) | 2015-03-30 | 2016-03-24 | Packaging bag and packaged product |
KR1020177021485A KR20170132716A (ko) | 2015-03-30 | 2016-03-24 | 포장 자루체 및 포장 물품 |
JP2017509875A JPWO2016158689A1 (ja) | 2015-03-30 | 2016-03-24 | 包装袋体および包装物品 |
EP16772570.4A EP3279107A4 (en) | 2015-03-30 | 2016-03-24 | Packaging bag and packaged product |
MYPI2017001330A MY192893A (en) | 2015-03-30 | 2016-03-24 | Packaging bag and packaged product |
SG11201707382UA SG11201707382UA (en) | 2015-03-30 | 2016-03-24 | Packaging bag and packaged product |
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JP2015070322 | 2015-03-30 |
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PCT/JP2016/059449 WO2016158689A1 (ja) | 2015-03-30 | 2016-03-24 | 包装袋体および包装物品 |
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US (1) | US11667457B2 (ja) |
EP (1) | EP3279107A4 (ja) |
JP (1) | JPWO2016158689A1 (ja) |
KR (1) | KR20170132716A (ja) |
CN (1) | CN107207128A (ja) |
MY (1) | MY192893A (ja) |
SG (2) | SG11201707382UA (ja) |
TW (1) | TWI680082B (ja) |
WO (1) | WO2016158689A1 (ja) |
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JPWO2019087908A1 (ja) * | 2017-11-01 | 2020-10-01 | 住友精化株式会社 | フレキシブルコンテナ |
JP2021038024A (ja) * | 2020-09-30 | 2021-03-11 | シマダヤ株式会社 | 含水麺用封緘巾着包装体 |
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Also Published As
Publication number | Publication date |
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KR20170132716A (ko) | 2017-12-04 |
SG10201909130UA (en) | 2019-11-28 |
US11667457B2 (en) | 2023-06-06 |
MY192893A (en) | 2022-09-14 |
JPWO2016158689A1 (ja) | 2018-01-25 |
TW201641377A (zh) | 2016-12-01 |
EP3279107A4 (en) | 2018-09-26 |
EP3279107A1 (en) | 2018-02-07 |
US20180037391A1 (en) | 2018-02-08 |
TWI680082B (zh) | 2019-12-21 |
SG11201707382UA (en) | 2017-10-30 |
CN107207128A (zh) | 2017-09-26 |
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