JP2885079B2 - Humidity control laminated bag - Google Patents
Humidity control laminated bagInfo
- Publication number
- JP2885079B2 JP2885079B2 JP6189763A JP18976394A JP2885079B2 JP 2885079 B2 JP2885079 B2 JP 2885079B2 JP 6189763 A JP6189763 A JP 6189763A JP 18976394 A JP18976394 A JP 18976394A JP 2885079 B2 JP2885079 B2 JP 2885079B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- ethylene
- moisture
- zeolite
- 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.)
- Expired - Fee Related
Links
- 229910021536 Zeolite Inorganic materials 0.000 claims description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 14
- 239000010457 zeolite Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 7
- 239000004702 low-density polyethylene Substances 0.000 claims description 7
- 229920001225 polyester resin Polymers 0.000 claims description 7
- 239000004645 polyester resin Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920006242 ethylene acrylic acid 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
- 239000000203 mixture Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000002274 desiccant Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 229920006228 ethylene acrylate copolymer Polymers 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003230 hygroscopic agent Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- DEXFNLNNUZKHNO-UHFFFAOYSA-N 6-[3-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-3-oxopropyl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)C(CCC1=CC2=C(NC(O2)=O)C=C1)=O DEXFNLNNUZKHNO-UHFFFAOYSA-N 0.000 description 1
- 208000032484 Accidental exposure to product Diseases 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009472 formulation Methods 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
- 239000005001 laminate film Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Bag Frames (AREA)
- Packages (AREA)
- Wrappers (AREA)
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 which loses its practical value when it absorbs moisture, and is effective for packaging so-called moisture-insensitive foods.
【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、袋内の湿度を調節す
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 humid, but the problem of erroneously eating the desiccant still remains. Is the current situation. Moreover, since the desiccant is used as a package, it is present as a dot in the container, so it is difficult to uniformly dehumidify the entire interior of the container. . Also, even if the moisture in the container is dehumidified with a desiccant, the moisture that passes through the container and does not block the moisture will increase over time, even if many desiccants are used. Can not. Also,
Films with an oxygen barrier layer laminated are widely used because the inclusions that oxygen penetrates and penetrates the bag are deteriorated, but ethylene-vinyl alcohol copolymer, a typical oxygen barrier material, is highly water sensitive. In addition, when water 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 which dislikes moisture and protect the oxygen barrier layer from water. For example, Japanese Patent Publication No. 61-34392 discloses a laminate of a polyolefin base film and an ethylene-vinyl alcohol film, and 20% by weight of silica gel in an adhesive for bonding the two.
It is described that the degree is added. Japanese Patent Application Laid-Open No.
Almost the same matters are described in JP-A-49750. In addition, Japanese Patent Application Laid-Open No. 64-384 discloses a method in which a superabsorbent resin film layer is laminated to contain water, and the water is used to react a substance contained in the laminated film to lower the temperature.
No. 60 is proposed. Further, a desiccant formed by kneading a desiccant into a synthetic resin to form a sheet is also disclosed in Japanese Patent Application Laid-Open No. 2-1073.
No. 1 discloses that lamination with a polyethylene film is used as an inner lining of a packaging can. However, none of the proposals describes that in order to adjust the humidity in the bag, moisture from the outside is shut off, and the moisture in the bag is removed by a moisture absorbent existing in the laminated film.
【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。SUMMARY OF THE INVENTION According to the present invention, the moisture absorption in a bag is fundamentally prevented by the moisture absorption in the bag by the film constituting the bag, and the moisture in the bag is eliminated by performing the dehumidification on the entire surface of the bag. And maintain the optimal temporal humidity stability over time by blocking the intrusion of moisture from the outside.
【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．ポリオレフィンとゼオライト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共押し出しにより
サンドイッチ状に積層した内面材層と、 をポリエステル樹脂層を最外層とし、内面材層を最内層
として積層して形成した袋であって、内面材層を構成す
る最内層のヒートシール性樹脂層（シーラント層）の厚
みが吸湿層の厚みより薄肉であり、かつ、吸湿層中のゼ
オライトの平均粒径が５〜７０μｍであり、ゼオライト
の配合割合が０．１〜５０重量％であることを特徴とす
る湿度調節積層袋。 ２． 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 method comprising: sandwiching a heat absorbing film layer by co-extruding a moisture absorbing layer composed of a blend of a polyester resin layer, an aluminum foil, and a polyolefin and a zeolite; A bag formed by laminating an inner surface material layer and a polyester resin layer as an outermost layer and an inner surface material layer as an innermost layer, wherein the innermost heat-sealable resin layer ( The thickness of the sealant layer is smaller than the thickness of the moisture-absorbing layer, the average particle size of the zeolite in the moisture-absorbing layer is 5 to 70 μm, and the blending ratio of the zeolite is 0.1 to 50% by weight. 2. The heat-sealing film layer is made of low-density polyethylene, linear low-density polyethylene, ethylene-vinyl oxide copolymer, ethylene-acrylic acid copolymer. The humidity-controlling laminated bag according to item 1, which is one selected from a polymer, an ethylene-methacrylic acid copolymer, an ethylene-acrylate copolymer, and an ionomer. "
【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。According to the present invention, the use of a special laminated film provides a special humidity control effect. The humidity control laminated bag of the present invention is provided with a polyester resin (hereinafter referred to as PET) layer as the outermost layer. The polyester resin layer is suitable for the outermost layer because it has good gas barrier properties, excellent printability, and high strength.
【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 A)
L). The AL foil has a good gas barrier property, has an action of blocking 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ゼオライトのブレンド物で形成す
る。ポリオレフィンとしては低密度ポリエチレン（ＬＤ
ＰＥ）、線状低密度ポリエ チレン（ＬＬＤＰＥ）、エチ
レン−アクリル酸共重合体（ＥＡＡ）、エチレン−アク
リル酸エステル共重合体（ＥＡＥ）、アイオノマー
（Ｉ）、エチレン−メタクリル酸共重合体（ＥＭＡＡ）
等が使用される。吸湿剤としてはゼオライトが吸湿性と
フイルム性状が最も好ましい。A moisture absorbing layer is provided inside the AL foil. The moisture absorbing layer is formed of a blend of polyolefin and zeolite . The polyolefin low density polyethylene (L D
PE), linear low density polyethylene having (LLDP E), ethyl
Styrene-acrylic acid copolymer ( EAA ) , ethylene -acrylic acid
Lylic acid ester copolymer ( EAE ) , ionomer (I), ethylene-methacrylic acid copolymer (EMAA)
Etc. are used. As the hygroscopic agent, zeolite is most preferable because of its hygroscopicity and film properties.
【０００８】ゼオライトは平均粒径が５〜７０μである
ことが好ましく、５μ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、７０μ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。またゼオラ
イトの配合量は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 average particle size of the zeolite is preferably 5 to 70 μm, and if it is 5 μm or less, secondary particles having a large diameter tend to be formed due to agglomeration due to small particle size, the surface area becomes small, and the hygroscopicity becomes poor. If it is 70 μm or more, the surface area becomes small and the hygroscopic action becomes small, which is not preferable. Also Zeola
The amount of site is a 0.1 to 50 wt%, less hygroscopic effect is 0.1 wt% or less, since the foam to facilitate also the roughness of the film by moisture absorption is too large increases in 50 wt% or more Not preferred.
【０００９】吸湿層はゼオライト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
ム層で両面を挾んで共押出したサンドイッチ構造の内面
材層として最内層に配置される。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ゼオラ
イト配合によるフイルムの粗面を覆うと共に、使用前に
吸湿能力を失わないようにして生産の安定化を図るため
である。そのために、内面材はヒートシール性樹脂層／
吸湿層／ヒートシール性樹脂層の構造になっている。こ
うして最内面にヒ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（ＬＤＰ
Ｅ）線状低密度ポリエチレン（ＬＬＤＰＥ）、エチレン
−酢酸ビニル共重合体（ＥＶＡ）、エチレン−アクリル
酸共重合体（ＥＡＡ）、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 the film containing zeolite as it is, but is disposed on the innermost layer as an inner surface material layer of a sandwich structure in which both surfaces are sandwiched and co-extruded with a heat-sealing film layer. Thus adjustment of the hygroscopic degree of the sandwich structure by coextrusion and zeolite
It covers the rough surface of the film by site formulation, prior to use
To stabilize production without losing moisture absorption capacity
It is. Therefore, the inner surface material is a heat-sealable resin layer /
It has a structure of a moisture absorbing layer / heat sealing resin layer . In this way was to place the human Toshiru of the film layer to the innermost surface, in addition that can be sealed and heat-sealed at the time of packaging, this film layer is because there is no danger to the touch to be packaged because there is no toxicity. The heat-sealable film layer in the present invention may be a low-density polyethylene (LDP).
E) Linear low density polyethylene (LLDPE), ethylene- vinyl acetate copolymer (EVA), ethylene-acrylic acid copolymer (EAA), ethylene-acrylate copolymer (EAE), ionomer, ethylene-meta A film layer of a polymer selected from acrylic acid copolymer (EMAA) is used. These polymers are suitable for the innermost layer of bags because they are non-toxic and have excellent heat sealing properties.
【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、１２μＰＥＴ／
７μＡＬ／７０μ共押出し層でありこの他ＰＥＴの次に
ＬＤＰＥを配置した１２μＰＥＴ／１５μＬＤＰＥ／７
μＡＬ／７０μ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 structure of the laminated film forming the temperature-controlled laminated bag of the present invention is 12 μPET /
7 μAL / 70 μ coextruded layer and 12 μPET / 15 μLDPE / 7 with LDPE placed next to PET
The μAL / 70μ coextruded layer also shows good performance. In the laminated bag of the present invention, since the AL foil layer is disposed outside the moisture-absorbing layer, external moisture does not enter the bag. Therefore, the moisture-absorbing layer exclusively absorbs the moisture in the bag, and thus has a long hygroscopic property. Because it is sustained, the shelf life of foods and the like is significantly longer than conventional packaging. Further, since the film itself has a moisture absorbing action, there is no problem of accidental ingestion of the desiccant, and there is no discomfort when the desiccant is mixed in the 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。Next, the present invention will be described in detail with reference to examples.
【００１２】実施例１ 最外層に１２μのＰＥＴ、その次に７μのＡＬ箔、次に
７０μ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、１０μＬＤＰＥ／５０μ
ゼオライト層／１０μＬＤＰＥであり、ゼオライト層は
粒径１０μのゼオライトを１重量％ＬＤＰＥに配合した
層である。Example 1 A bag was formed using a laminated film in which 12 μm PET was placed on the outermost layer, followed by 7 μm AL foil, and then 70 μm co-extruded layer. The co-extruded layer is 10μLDPE / 50μ
It is a zeolite layer / 10 μLDPE, and the zeolite layer is a layer in which zeolite having a particle size of 10 μ is blended with 1% by weight LDPE.
【００１３】実施例２〜５ 積層フイルムの構成を表１に示すＮｏ．２、９、１０、
１１とした他は実施例１と同様にして積層袋とした。[0013] The configuration of Example 2-5 laminate film No. shown in Table 1 2 , 9, 10,
A laminated bag was made in the same manner as in Example 1 except that the bag was 11.
【００１４】比較例１〜７ 積層フイルムの構成を表１に示すＮｏ．３〜８及び１２
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 7 3-8 and 12
A laminated bag was made in the same manner as in Example 1 except for the above. Table 1 shows the film configuration and performance.
【００１５】[0015]
【表１】 [Table 1]
【００１６】 （註） 評価の欄の○〜×は次の意味である。 ○ ： 良好 △ ： 劣る × ： 悪い 比較例の説明 Ｎｏ．３；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．４；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．５；吸湿層が薄く、吸湿性能が小さい。 Ｎｏ．６；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．７；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．８；同上Ｎｏ．１２；吸湿剤としてシリカゲルを用いるため粒径
が大きく、フイルム性状が悪い。 表中のＩはアイオノマーの略である。(Note) O to X in the column of evaluation have the following meanings. : Good △: inferior ×: bad Explanation of Comparative Example 3: The average particle size is large, the surface area to be adsorbed is small, and the hygroscopicity is deteriorated. No. 4: The average particle size is small and the cohesive force acts, resulting in a large particle size. No. 5: The moisture absorption layer is thin and the moisture absorption performance is small. No. 6: Since the sealant layer is thick and has low moisture permeability, the hygroscopic ability is inferior. No. 7: Moisture permeation from outside is large because no aluminum foil is laminated. No. No. 8; 12: Particle size because silica gel is used as a hygroscopic agent
But the film properties are poor. I in the 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。As described above, the humidity-controlling laminated bag of the present invention maintains the moisture absorption in the bag for a long time, does not mix the desiccant into the package, and has no problems such as accidental eating and discomfort.
Claims (2)
吸湿層をヒートシール性フイルム層で共押し出しにより
サンドイッチ状に積層した内面材層と、 をポリエステル樹脂層を最外層とし、内面材層を最内層
として積層して形成した袋であって、内面材層を構成す
る最内層のヒートシール性樹脂層（シーラント層）の厚
みが吸湿層の厚みより薄肉であり、かつ、吸湿層中のゼ
オライトの平均粒径が５〜７０μｍであり、ゼオライト
の配合割合が０．１〜５０重量％であることを特徴とす
る湿度調節積層袋。1. A method comprising: a. A polyester resin layer; b. Aluminum foil; c. An inner surface material layer in which a moisture absorbing layer composed of a blend of polyolefin and zeolite is laminated in the form of a sandwich by co-extrusion with a heat-sealing film layer, and a layer formed by laminating a polyester resin layer as the outermost layer and an inner surface material layer as the innermost layer The thickness of the innermost heat-sealable resin layer (sealant layer) constituting the inner surface material layer is thinner than the thickness of the moisture absorbing layer, and the average particle size of zeolite in the moisture absorbing layer is 5 to 5. A humidity-controlling laminated bag having a thickness of 70 µm and a blending ratio of zeolite of 0.1 to 50% by weight.
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に記載された湿度調節積層袋。2. The heat-sealing film layer is made of low-density polyethylene, linear low-density polyethylene, ethylene-vinyl oxide copolymer, ethylene-acrylic acid copolymer, ethylene-methacrylic acid copolymer, ethylene-acrylic acid. It is a kind selected from ester copolymers and ionomers.
The humidity control laminated bag according to claim 1.
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 JPH0826348A (en) | 1996-01-30 |
| JP2885079B2 true 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 (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 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3026549B2 (en) | 1996-05-02 | 2000-03-27 | ダイナボット株式会社 | Manufacturing method of chromatography immunoanalyzer |
| GB9907718D0 (en) * | 1999-04-01 | 1999-05-26 | Tunstall Behrens Martin H | Controlled humidity container |
| JP4225062B2 (en) * | 2003-01-09 | 2009-02-18 | 凸版印刷株式会社 | Moisture absorption 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 |
| CN102970959B (en) * | 2012-03-01 | 2014-07-30 | 共同印刷株式会社 | Medicine packaging |
| JP6226557B2 (en) * | 2013-05-14 | 2017-11-08 | 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01144345U (en) * | 1988-03-30 | 1989-10-04 | ||
| JP2867091B2 (en) * | 1992-03-12 | 1999-03-08 | 富士写真フイルム株式会社 | Photosensitive material packaging |
-
1994
- 1994-07-11 JP JP6189763A patent/JP2885079B2/en not_active Expired - Fee Related
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0826348A (en) | 1996-01-30 |
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