JPH0826348A - Moisture-adjustable laminated bag - Google Patents
Moisture-adjustable laminated bagInfo
- Publication number
- JPH0826348A JPH0826348A JP18976394A JP18976394A JPH0826348A JP H0826348 A JPH0826348 A JP H0826348A JP 18976394 A JP18976394 A JP 18976394A JP 18976394 A JP18976394 A JP 18976394A JP H0826348 A JPH0826348 A JP H0826348A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- hygroscopic
- laminated
- surface material
- bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000003230 hygroscopic agent Substances 0.000 claims abstract description 11
- 229920001225 polyester resin Polymers 0.000 claims abstract description 11
- 239000004645 polyester resin Substances 0.000 claims abstract description 11
- 239000011888 foil Substances 0.000 claims abstract description 10
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 7
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 7
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 claims description 5
- 229920000554 ionomer Polymers 0.000 claims description 5
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 4
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002274 desiccant Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Wrappers (AREA)
- Bag Frames (AREA)
- Packages (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は吸湿すると実用価値を失
う、いわゆる湿気を嫌う食品等の包装に有効な湿度調節
積層袋に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a humidity control laminated bag effective for packaging so-called moisture-insensitive foods, which lose their practical value when they absorb moisture.
【０００２】[0002]
【従来の技術】従来、湿気を嫌う被包装物の包装には乾
燥剤を封入して包装することが広く行われているが、乾
燥剤を誤って食したりする問題が後を断たないのが現状
である。しかも乾燥剤は包装体として使用されるので容
器内には点として存在するので容器内全体を均一に除湿
することが困難であるため多数の乾燥剤包装体を封入す
る必要があるという問題もある。また容器内の湿気を乾
燥剤で除湿しても容器を通過して侵入する湿気を遮断し
ないと多くの乾燥剤を用いても時間の経過とともに湿度
が上昇し最適な湿分状態に保つことが出来ない。また、
袋を酸素が透過して侵入する内包物が変質するので酸素
バリヤー層を積層したフイルムが広く使用されている
が、代表的な酸素バリヤー材であるエチレン−ビニルア
ルコール共重合体は水感受性が強く、水分を含むと酸素
バリヤー性が失われる。そのためこのような水分を嫌う
酸素バリヤー層に密接して吸湿性層を配置し、酸素バリ
ヤー層を水から保護する提案もなされている。例えば特
公昭６１−３４３９２号公報にはポリオレフィンの基材
フイルムとエチレン−ビニルアルコールフイルムを積層
し、両者を接着する接着剤中にシルカゲルを２０ｗｔ％
程度加えることが記載されている。また特開昭６１−２
４９７５０号公報にもほぼ同様な事項が記載されてい
る。この他、高吸収性樹脂フイルム層を積層して水を含
ませ、この水を利用して積層フイルムに含まれる物質を
反応させて温度を低下させることも特開昭６４−３８４
６０号公報で提案されている。さらに合成樹脂に乾燥材
を混練してシート状にした乾燥材も特開平２−１０７３
１号公報に記載されており、ポリエチレンフイルムとラ
ミネートし、包装缶の内敷とすることが提案されてい
る。しかしながらいずれの提案も、袋内の湿度と調節す
るため、外部からの水分を遮断し、袋内の水分を積層フ
イルムに存在する吸湿剤で除去することは述べられてい
ない。2. Description of the Related Art Conventionally, it has been widely practiced to enclose a desiccant in the packaging of an object to be desiccated with respect to moisture, but the problem of accidentally eating the desiccant is unavoidable. Is the current situation. In addition, since the desiccant is used as a package, it exists as dots in the container, and it is difficult to uniformly dehumidify the entire container. Therefore, it is necessary to enclose many desiccant packages. . Even if you dehumidify the moisture in the container with a desiccant, if you do not block the moisture that passes through the container and intrudes, even if you use many desiccants, the humidity will rise with time and the optimum moisture condition can be maintained. Can not. Also,
Films laminated with an oxygen barrier layer are widely used because the inclusions that penetrate oxygen into the bag and change in quality are widely used.However, ethylene-vinyl alcohol copolymer, which is a typical oxygen barrier material, is highly water-sensitive. , If oxygen is contained, the oxygen barrier property is lost. Therefore, it has been proposed to arrange a hygroscopic layer in close contact with such an oxygen barrier layer that dislikes moisture to protect the oxygen barrier layer from water. For example, in Japanese Patent Publication No. 61-34392, a base film of polyolefin and an ethylene-vinyl alcohol film are laminated, and 20 wt% of silica gel is contained in an adhesive agent for adhering them together.
It is described that the degree is added. In addition, JP-A-61-2
Almost similar items are described in Japanese Patent Publication No. 49750. In addition, it is also possible to laminate a superabsorbent resin film layer to contain water, and use this water to react the substance contained in the laminated film to lower the temperature.
No. 60 publication. Further, a dry material prepared by kneading a dry material with a synthetic resin to form a sheet is also disclosed in JP-A-2-1073.
It is described in Japanese Patent Laid-Open No. No. 1-81, and it has been proposed to laminate it with a polyethylene film to form an inner lining of a packaging can. However, none of the proposals mentions that the moisture in the bag is blocked and the moisture in the bag is removed by the moisture absorbent existing in the laminated film in order to control the humidity in the bag.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、袋内の吸湿
を袋構成フイルムで行うことにより乾燥剤の誤食を根本
的に防止し、除湿を袋の全面で行うことにより袋内の湿
度を均一となし、外部からの湿気の侵入を遮断すること
により最適湿分状態の経時的安定性を維持するものであ
る。DISCLOSURE OF THE INVENTION According to the present invention, moisture in a bag is absorbed by a film constituting the bag, thereby preventing erroneous ingestion of a desiccant, and dehumidifying the entire surface of the bag so that the humidity in the bag is reduced. Is made uniform and the ingress of moisture from the outside is blocked to maintain the stability of the optimum moisture state over time.
【０００４】[0004]
【課題を解決した手段】本発明は、 「１． ａ．ポリエステル樹脂層と、 ｂ．アルミ箔と、 ｃ．ポリオレフィンと吸湿剤のブレンド物からなる吸湿
層をヒートシール性フイルム層で挟んだサンドイッチ状
の内面材層と、を順次積層した、積層フイルムをポリエ
ステル樹脂層を最外層とし、内面材層を最内層として袋
とした、湿度調節積層袋。 ２． ｃ．内面材層がポリオレフィンと吸湿剤のブレン
ド物からなる吸湿層をシートシール性フイルム層で挾ん
で共押出して形成された積層体層である、１項に記載さ
れた湿度調節積層袋。 ３． ｄ．ヒートシール性フイルム層が、低密度ポリエ
チレン、線状低密度ポリエチレン、エチレン−酸化ビニ
ル共重合体、エチレン−アクリル酸共重合体、エチレン
−メタクリル酸共重合体、エチレン−アクリル酸エステ
ル共重合体、アイオノマーから選んだ一種である、１項
または２項に記載された湿度調節積層袋。 ４． ｄ．吸湿層が、吸湿剤を０．１〜５０重量％配合
した層である、１項ないし３項のいずれか１項に記載さ
れた湿度調節積層袋。 ５． ｄ．吸湿層の吸湿剤が平均粒度５〜７０μｍであ
る、１項ないし４項のいずれか１項に記載された湿度調
節積層袋。」に関する。Means for Solving the Problems The present invention provides a sandwich comprising: a. A. Polyester resin layer, b. Aluminum foil, c. A moisture absorption layer made of a blend of a polyolefin and a moisture absorbent, sandwiched between heat-sealable film layers. -Like inner surface material layer is sequentially laminated, and a laminated film is a humidity control laminated bag having a polyester resin layer as an outermost layer and an inner surface material layer as an innermost layer 2. c. A humidity control laminated bag according to item 1, which is a laminate layer formed by co-extruding a moisture-absorbing layer made of a blend of agents with a sheet-sealing film layer, and 3. The heat-sealing film layer. , Low density polyethylene, linear low density polyethylene, ethylene-vinyl oxide copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, ethylene-acrylic A humidity control laminated bag according to item 1 or 2, which is a kind selected from acid ester copolymers and ionomers 4. d. The moisture absorbing layer is a layer containing 0.1 to 50% by weight of a moisture absorbing agent. The humidity control laminated bag according to any one of items 1 to 3. 5. The moisture absorbent of the hygroscopic layer has an average particle size of 5 to 70 μm. The described humidity control laminated bag. "
【０００５】[0005]
【作用】本発明は特別な積層フイルムを用いたことによ
り格別の湿度調節作用を奏する。本発明の湿度調節積層
袋は、最外層に、ポリエステル樹脂（以下ＰＥＴとい
う）層を設ける。ポリエステル樹脂層はガスバリヤ性も
良く、印刷性に優れており、強度も大きいので最外層に
好適である。The present invention exerts a special humidity control action by using a special laminated film. In the humidity control laminated bag of the present invention, a polyester resin (hereinafter referred to as PET) layer is provided as the outermost layer. The polyester resin layer has good gas barrier properties, excellent printability, and high strength, and is suitable for the outermost layer.
【０００６】ポリエステル樹脂層の次にアルミ（以下Ａ
Ｌという）箔を配置する。ＡＬ箔はガスバリヤ性が良好
で水蒸気の通過を遮断する作用があり、袋内に外部の湿
気が侵入するのを防止する。Next to the polyester resin layer, aluminum (hereinafter referred to as A
Lay the foil). The AL foil has a good gas barrier property and acts to block the passage of water vapor, and prevents external moisture from entering the bag.
【０００７】ＡＬ箔の内側には吸湿層を設ける。吸湿層
はポリオレフィンと吸湿剤のブレンド物で形成する。ポ
リオレフィンとしてはＬＰＥ、ＬＬＤＰ、ＥＡＡ、ＥＡ
Ｅ、アイオノマー、ＥＭＡＡ等が使用される。吸湿剤と
しては、ゼオライト、硫酸マグネシウム、石膏、塩化カ
ルシウムなどの微粉が使用される。A moisture absorption layer is provided inside the AL foil. The moisture absorption layer is formed of a blend of polyolefin and a moisture absorbent. As polyolefin, LPE, LLDP, EAA, EA
E, ionomer, EMAA, etc. are used. As the hygroscopic agent, fine powder of zeolite, magnesium sulfate, gypsum, calcium chloride or the like is used.
【０００８】吸湿剤は平均粒径が５〜７０μｍであるこ
とが好ましく、５μｍ以下では粒径が小さいため凝集が
生じ易く径の大きい二次粒子が生成し表面積が小さくな
って吸湿性が悪くなり、７０μｍ以上では表面積が小さ
くなり吸湿作用が少くなるので好ましくない。また吸湿
剤の配合量は０．１〜５０重量％であって、０．１重量
％以下では吸湿効果が小さく、５０重量％以上では吸湿
が大きすぎて発泡し易くまたフイルムの粗度が大きくな
るので好ましくない。The hygroscopic agent preferably has an average particle size of 5 to 70 μm, and if the average particle size is 5 μm or less, agglomeration is likely to occur and secondary particles having a large diameter are formed, resulting in a small surface area and poor hygroscopicity. , 70 μm or more is not preferable because the surface area is small and the hygroscopic effect is small. The content of the hygroscopic agent is 0.1 to 50% by weight. When it is 0.1% by weight or less, the hygroscopic effect is small, and when it is 50% by weight or more, the hygroscopicity is too large and foaming easily occurs, and the roughness of the film is large. Therefore, it is not preferable.
【０００９】吸湿層は吸湿剤を配合したフイルムをその
まま使用するのではなく、ヒートシール性のフイルム層
で両面を挟んで共押出したサンドイッチ構造の内面材と
して配置される。このように共押出しによるサンドイッ
チ構造としたのは吸湿度の調整とフイルムの粗面を覆う
ためであるからである。内面材はシートシール性フイル
ム層／吸湿層／シートシール性フイルム層の構造であ
る。こうして最内面にシートシール性のフイルム層を配
置したのは、包装時にヒートシールして密封出来るほ
か、このフイルム層は毒性がないので被包装物に触れて
も危険がないからである。本発明におけるヒートシール
性のフイルム層としてはとしては低密度ポリエチレン
（以下ＬＤＰＥという）線状低密度ポリエチレン（以下
ＬＬＤＰＥという）、エチレン−ビニルアルコール共重
合体（以下ＥＶＡという）、エチレン−アクリル酸共重
合体（以下ＥＡＡという）、エチレン−アクリル酸エス
テル共重合体（ＥＡＥ）、アイオノマー、エチレン−メ
タアクリル酸共重合体（ＥＭＡＡ）から選んだ重合体の
フイルム層が使用される。これ等の重合体は毒性もな
く、ヒートシール性も優れているので袋の最内面層とし
て適している。The moisture absorbing layer is not used as it is for the film containing the moisture absorbing agent, but is disposed as an inner surface material of a sandwich structure in which both sides are sandwiched by a heat sealable film layer and coextruded. The reason why the sandwich structure is formed by coextrusion is to adjust the moisture absorption and cover the rough surface of the film. The inner surface material has a structure of sheet sealable film layer / moisture absorption layer / sheet sealable film layer. The sheet-sealing film layer is disposed on the innermost surface in this manner because it can be heat-sealed at the time of packaging and can be hermetically sealed, and since this film layer is not toxic, there is no danger of touching an object to be packaged. Examples of the heat-sealable film layer in the present invention include low density polyethylene (hereinafter referred to as LDPE) linear low density polyethylene (hereinafter referred to as LLDPE), ethylene-vinyl alcohol copolymer (hereinafter referred to as EVA), and ethylene-acrylic acid copolymer. A polymer film layer selected from a polymer (hereinafter referred to as EAA), an ethylene-acrylic acid ester copolymer (EAE), an ionomer, and an ethylene-methacrylic acid copolymer (EMAA) is used. These polymers are suitable as an innermost layer of the bag because they have no toxicity and excellent heat sealability.
【００１０】本発明の温度調節積層袋を形成する積層フ
イルムの積層フイルムの基本的構成は、１２μｍＰＥＴ
／７μｍＡＬ／７０μｍ共押出し層でありこの他ＰＥＴ
の次にＬＤＰＥを配置した１２μｍＰＥＴ／１５μｍＬ
ＤＰＥ／７μＡＬ／７０μｍ共押出し層も良好な性能を
示す。本発明の積層袋は、ＡＬ箔層が吸湿層の外側に配
置されているので、外部の湿気が袋内に侵入しないか
ら、吸湿層はもっぱら袋内の湿気を吸収するので吸湿性
が長時間持続されるため食品等の保存寿命が従来の包装
より著しく長くなる。またフイルム自体が吸湿作用を有
するので乾燥剤の誤食の問題も起きず、食品等に乾燥剤
が混在する不快感もない。The basic constitution of the laminated film of the laminated film forming the temperature control laminated bag of the present invention is 12 μm PET.
/ 7μm AL / 70μm coextrusion layer and other PET
Next to LDPE, 12 μm PET / 15 μmL
The DPE / 7 μAL / 70 μm coextrusion layer also shows good performance. In the laminated bag of the present invention, since the AL foil layer is arranged outside the hygroscopic layer, external moisture does not enter into the bag. Therefore, the hygroscopic layer absorbs moisture in the bag exclusively, so that the hygroscopic property is long. Since it is maintained, the shelf life of foods etc. is significantly longer than that of conventional packaging. Further, since the film itself has a hygroscopic effect, the problem of erroneous eating of the desiccant does not occur, and there is no discomfort when the desiccant is mixed in food or the like.
【００１１】[0011]
【実施例】次に実施例にあげて本発明を具体的に説明す
る。EXAMPLES Next, the present invention will be specifically described with reference to Examples.
【００１２】実施例１ 最外層に１２μｍのＰＥＴ、その次に７μｍのＡＬ箔、
次に７０μｍの共押出し層、を配置した積層フイルムを
用いて袋を形成した。共押出し層は、１０μｍＬＤＰＥ
／５０μｍ吸湿剤層／１０μｍＬＤＰＥであり、吸湿剤
層は粒径１０μｍのゼオライトを１重量％ＬＤＰＥに配
合した層である。Example 1 PET of 12 μm was formed on the outermost layer, and then AL foil of 7 μm,
Next, a bag was formed using the laminated film on which a 70 μm coextrusion layer was arranged. Coextrusion layer is 10 μmL DPE
/ 50 μm hygroscopic agent layer / 10 μL DPE, and the hygroscopic agent layer is a layer in which 1 wt% LDPE is mixed with zeolite having a particle size of 10 μm.
【００１３】実施例２〜３ 積層フイルムの構成を表１に示すＮｏ．２〜３とした他
は実施例１と同様にして積層袋とした。Examples 2 to 3 Nos. 1 and 2 shown in Table 1 show the structure of the laminated film. A laminated bag was prepared in the same manner as in Example 1 except that the number was 2-3.
【００１４】比較例１〜８ 積層フイルムの構成を表１に示すＮｏ．４〜１４にした
他は実施例１と同様にして積層袋とした。フイルム構成
と性能を表１に示す。Comparative Examples 1 to 8 No. 1 shown in Table 1 shows the structure of the laminated film. A laminated bag was made in the same manner as in Example 1 except that the number was changed to 4 to 14. The film structure and performance are shown in Table 1.
【００１５】[0015]
【表１】 [Table 1]
【００１６】 （註） 評価の欄の〜×は次の意味である。 ： 良好 Δ ： 劣る × ： 悪い 比較例の説明 Ｎｏ．４；平均粒径が大きく、吸着する表面積が小さ
く、吸湿性が悪くなる。 Ｎｏ．５；平均粒径が小さく、凝集力が働き、結果的に
粒径が大きくなる。 Ｎｏ．６；吸湿層が薄く、吸湿性能が小さい。 Ｎｏ．７；シーラント層が厚く、水分の透過が小さいた
め、吸湿能力が劣る。 Ｎｏ．８；アルミニウム箔が積層されていないため、外
部からの水分透過が大きい。 Ｎｏ．９；同上 表中のＩはアイオノマーの略である。(Note) “×” in the evaluation column means the following. : Good Δ: Poor ×: Poor Explanation of Comparative Example No. 4; Large average particle size, small surface area for adsorption, and poor hygroscopicity. No. 5: The average particle size is small, the cohesive force works, and as a result, the particle size becomes large. No. 6: The moisture absorption layer is thin and the moisture absorption performance is small. No. 7: Since the sealant layer is thick and moisture permeation is small, the hygroscopic ability is poor. No. 8: Since aluminum foil is not laminated, moisture permeation from the outside is large. No. 9; Id in the above table is an abbreviation for ionomer.
【００１７】[0017]
【発明の効果】本発明の湿度調節積層袋は袋内の吸湿性
が長時間維持され、乾燥剤の包装物への混入がなく、誤
食、不快感等の問題がない。EFFECTS OF THE INVENTION The humidity control laminated bag of the present invention maintains the hygroscopicity in the bag for a long time, does not mix the desiccant into the package, and has no problems such as erroneous eating and discomfort.
Claims (5)
層をヒートシール性フイルム層で挾んだサンドイッチ状
の内面材層と、を順次積層した、積層フイルムをポリエ
ステル樹脂層を最外層とし、内面材層を最内層として袋
とした、湿度調節積層袋。1. A method comprising: a. A polyester resin layer, b. Aluminum foil, c. A sandwich-shaped inner surface material layer in which a hygroscopic layer made of a blend of polyolefin and a hygroscopic agent is sandwiched by heat-sealable film layers is sequentially laminated.The laminated film has a polyester resin layer as the outermost layer and an inner surface material layer as the outermost layer. A humidity-controlled laminated bag that is used as an inner layer.
のブレンド物からなる吸湿層をシートシール性フイルム
層で挾んで共押出して形成された積層体層である、請求
項１に記載された湿度調節積層袋。2. c. The humidity control laminated bag according to claim 1, wherein the inner surface material layer is a laminate layer formed by coextruding a hygroscopic layer made of a blend of polyolefin and a hygroscopic agent with a sheet-sealable film layer.
度ポリエチレン、線状低密度ポリエチレン、エチレン−
酸化ビニル共重合体、エチレン−アクリル酸共重合体、
エチレン−メタクリル酸共重合体、エチレン−アクリル
酸エステル共重合体、アイオノマーから選んだ一種であ
る、請求項１または２に記載された湿度調節積層袋。3. d. The heat-sealable film layer is made of low density polyethylene, linear low density polyethylene, ethylene-
Vinyl oxide copolymer, ethylene-acrylic acid copolymer,
The humidity control laminated bag according to claim 1 or 2, which is one selected from an ethylene-methacrylic acid copolymer, an ethylene-acrylic acid ester copolymer, and an ionomer.
量％配合した層である、請求項１ないし３のいずれか１
項に記載された湿度調節積層袋。4. The d. The hygroscopic layer is a layer containing a hygroscopic agent in an amount of 0.1 to 50% by weight.
The humidity control laminated bag described in the item.
μｍである、請求項１ないし４のいずれか１項に記載さ
れた湿度調節積層袋。5. The d. The hygroscopic agent in the hygroscopic layer has an average particle size of 5 to 70.
The humidity control laminated bag according to any one of claims 1 to 4, which has a thickness of μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6189763A JP2885079B2 (en) | 1994-07-11 | 1994-07-11 | Humidity control laminated bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6189763A JP2885079B2 (en) | 1994-07-11 | 1994-07-11 | Humidity control laminated bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0826348A true JPH0826348A (en) | 1996-01-30 |
| JP2885079B2 JP2885079B2 (en) | 1999-04-19 |
Family
ID=16246780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6189763A Expired - Fee Related JP2885079B2 (en) | 1994-07-11 | 1994-07-11 | Humidity control laminated bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2885079B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060429A1 (en) * | 1999-04-01 | 2000-10-12 | Coverall Limited | Controlled humidity container |
| US6605476B2 (en) | 1996-05-02 | 2003-08-12 | Abbott Laboratories | Immunochromatographic assay device |
| JP2004210392A (en) * | 2003-01-09 | 2004-07-29 | Toppan Printing Co Ltd | Moisture absorbing packaging container |
| JP2012116488A (en) * | 2010-11-29 | 2012-06-21 | Union Showa Kk | Water-absorbing packaging material, method of manufacturing the same, and reproducing method |
| CN102970959A (en) * | 2012-03-01 | 2013-03-13 | 共同印刷株式会社 | Medicine packaging |
| JP2014221666A (en) * | 2013-05-14 | 2014-11-27 | スタープラスチック工業株式会社 | Film roll package |
| JP2015217987A (en) * | 2014-05-21 | 2015-12-07 | 共同印刷株式会社 | Laminate for packing extracorporeal diagnostic agent and packed extracorporeal diagnostic agent |
| JP2023053109A (en) * | 2018-01-31 | 2023-04-12 | 東洋製罐株式会社 | packaging bag |
| CN117429128A (en) * | 2023-12-20 | 2024-01-23 | 杭州神彩包装印业有限公司 | Self-moisture-absorbing packaging bag and manufacturing process thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012006651A (en) * | 2010-06-28 | 2012-01-12 | Toppan Printing Co Ltd | Container for blood sugar level test chip |
| KR101508926B1 (en) * | 2013-12-06 | 2015-04-07 | 김준열 | The packing materials with the function of dehumidification |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01144345U (en) * | 1988-03-30 | 1989-10-04 | ||
| JPH05257238A (en) * | 1992-03-12 | 1993-10-08 | Fuji Photo Film Co Ltd | Package for photographic sensitive material |
-
1994
- 1994-07-11 JP JP6189763A patent/JP2885079B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01144345U (en) * | 1988-03-30 | 1989-10-04 | ||
| JPH05257238A (en) * | 1992-03-12 | 1993-10-08 | Fuji Photo Film Co Ltd | Package for photographic sensitive material |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6605476B2 (en) | 1996-05-02 | 2003-08-12 | Abbott Laboratories | Immunochromatographic assay device |
| WO2000060429A1 (en) * | 1999-04-01 | 2000-10-12 | Coverall Limited | Controlled humidity container |
| JP2004210392A (en) * | 2003-01-09 | 2004-07-29 | Toppan Printing Co Ltd | Moisture absorbing packaging container |
| JP2012116488A (en) * | 2010-11-29 | 2012-06-21 | Union Showa Kk | Water-absorbing packaging material, method of manufacturing the same, and reproducing method |
| CN102970959A (en) * | 2012-03-01 | 2013-03-13 | 共同印刷株式会社 | Medicine packaging |
| JP2014221666A (en) * | 2013-05-14 | 2014-11-27 | スタープラスチック工業株式会社 | Film roll package |
| JP2015217987A (en) * | 2014-05-21 | 2015-12-07 | 共同印刷株式会社 | Laminate for packing extracorporeal diagnostic agent and packed extracorporeal diagnostic agent |
| JP2023053109A (en) * | 2018-01-31 | 2023-04-12 | 東洋製罐株式会社 | packaging bag |
| CN117429128A (en) * | 2023-12-20 | 2024-01-23 | 杭州神彩包装印业有限公司 | Self-moisture-absorbing packaging bag and manufacturing process thereof |
| CN117429128B (en) * | 2023-12-20 | 2024-03-12 | 杭州神彩包装印业有限公司 | Self-moisture-absorbing packaging bag and manufacturing process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2885079B2 (en) | 1999-04-19 |
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