JPH08192858A - Engaging device and wrapping bag having the same - Google Patents
Engaging device and wrapping bag having the sameInfo
- Publication number
- JPH08192858A JPH08192858A JP1837395A JP1837395A JPH08192858A JP H08192858 A JPH08192858 A JP H08192858A JP 1837395 A JP1837395 A JP 1837395A JP 1837395 A JP1837395 A JP 1837395A JP H08192858 A JPH08192858 A JP H08192858A
- Authority
- JP
- Japan
- Prior art keywords
- butene
- ethylene
- weight
- engaging device
- crystalline propylene
- 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
Landscapes
- Bag Frames (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、咬合具（凹凸咬合具）
及び咬合具付包装用袋に関し、詳しくは従来のポリプロ
ピレン製咬合具に比べて、低温ヒートシール性，柔軟性
等に優れ、しかも充分な溶着強度を有する咬合具及び咬
合具付包装用袋に関する。本発明の咬合具付包装用袋
は、乾燥食品，菓子等の食品の包装や、シャツ，ニット
ウエア等の衣料品の包装、その他各種雑貨の包装などに
有効に利用することができる。FIELD OF THE INVENTION The present invention relates to an articulation device (concave / concave device).
The present invention also relates to a packaging bag with an articulation device, and more particularly to an articulation device and a packaging bag with an articulation device that are excellent in low-temperature heat-sealing property, flexibility, and the like and have sufficient welding strength as compared with a conventional polypropylene articulation device. INDUSTRIAL APPLICABILITY The packaging bag with an engaging device of the present invention can be effectively used for packaging foods such as dried foods and confectionery, clothings such as shirts and knitwear, and other miscellaneous goods.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】結晶性
プロピレン樹脂からなる咬合具は既知である。また、咬
合具付包装用袋（いわゆるチャック袋）の製造方法とし
ては、咬合具付のフィルムを同時押出成形する方法や、
フィルム上に咬合具を押出溶着する方法があるが、ハン
ドリングのしにくさや、コストの面から、咬合具のみを
製造し、これを袋本体フィルムに溶着する方法が採用さ
れている。2. Description of the Related Art An engaging device made of a crystalline propylene resin is known. In addition, as a method of manufacturing a packaging bag with an engaging device (so-called zipper bag), a method of coextrusion molding a film with an engaging device,
There is a method of extrusion-welding an engaging device on a film, but in view of difficulty in handling and cost, a method of manufacturing only the engaging device and welding it to the bag body film is adopted.
【０００３】しかしながら、従来の結晶性プロピレン樹
脂からなる咬合具は、必ずしも低温のヒートシール性が
充分でないなどの問題があり、さらに柔軟性も充分でな
いため、低温ヒートシール性，柔軟性，易潰し性に優れ
た咬合具が要望されていた。[0003] However, the conventional bite made of crystalline propylene resin has problems such as not always having sufficient heat sealability at low temperature, and further, since it has insufficient flexibility, it has low temperature heat sealability, flexibility and crushability. There has been a demand for an articulating tool having excellent properties.
【０００４】本発明は、従来の問題を解消し、低温ヒー
トシール性，柔軟性，易潰し性等に優れた咬合具と、こ
のような咬合具を有する咬合具付包装用袋とを提供する
ことを目的とするものである。The present invention solves the problems of the prior art, and provides an articulating device which is excellent in low-temperature heat sealability, flexibility, crushability and the like, and a packaging bag with an articulating device which has such an articulating device. That is the purpose.
【０００５】[0005]
【課題を解決するための手段】すなわち本発明は第１
に、結晶性プロピレン・エチレン・ブテン−１ランダム
三元共重合体で形成されてなる咬合具を提供するもので
ある。That is, the first aspect of the present invention is
In addition, the present invention provides an occlusion tool made of a crystalline propylene / ethylene / butene-1 random terpolymer.
【０００６】次に、本発明は第２に、結晶性プロピレン
・エチレン・ブテン−１ランダム三元共重合体６０重量
％以上と、エチレン・ブテン−１共重合体及び／又は低
密度ポリエチレン４０重量％以下との混合物で形成され
てなる咬合具を提供するものである。Secondly, the present invention secondly comprises 60% by weight or more of a crystalline propylene / ethylene / butene-1 random terpolymer and 40% by weight of an ethylene / butene-1 copolymer and / or low density polyethylene. %, And an occlusion tool formed of a mixture with the same.
【０００７】本発明の第１の咬合具は、結晶性プロピレ
ン・エチレン・ブテン−１ランダム三元共重合体で形成
されてなるものである。結晶性プロピレン・エチレン・
ブテン−１ランダム三元共重合体としては、メルトイン
デックス（ＭＩ）が０．５〜２０ｇ／１０分、好ましく
は３〜１０ｇ／１０分のものが用いられる。ここでＭＩ
が前記値よりも小さいものであると、表面肌荒れが出や
すく、生産速度が遅くなるため好ましくない。また、Ｍ
Ｉが前記値よりも大きいものであると、咬合具の形状保
持がしにくくなるため好ましくない。The first engaging device of the present invention is formed of a crystalline propylene / ethylene / butene-1 random terpolymer. Crystalline propylene / ethylene /
As the butene-1 random terpolymer, one having a melt index (MI) of 0.5 to 20 g / 10 minutes, preferably 3 to 10 g / 10 minutes is used. MI here
Is less than the above value, the surface roughness is likely to occur and the production rate becomes slow, which is not preferable. Also, M
When I is larger than the above value, it becomes difficult to maintain the shape of the occlusion device, which is not preferable.
【０００８】この結晶性プロピレン・エチレン・ブテン
−１ランダム三元共重合体は、プロピレンを主体とする
三元のランダム共重合体であり、通常、エチレン含量
１．０〜９．０重量％、ブテン−１含量０．５〜９．０
重量％のもの、好ましくはエチレン含量１．５〜７．０
重量％、ブテン−１含量１．５〜７．０重量％のもので
ある。ここで結晶性プロピレン・エチレン・ブテン−１
ランダム三元共重合体の代わりに、結晶性ポリプロピレ
ンからなるものや、エチレン・プロピレンゴムなどを用
いたとしても、本発明の目的を達成することはできな
い。This crystalline propylene / ethylene / butene-1 random terpolymer is a ternary random copolymer mainly composed of propylene and usually has an ethylene content of 1.0 to 9.0% by weight, Butene-1 content 0.5-9.0
% By weight, preferably 1.5 to 7.0 ethylene content
% By weight, butene-1 content: 1.5 to 7.0% by weight. Where crystalline propylene / ethylene / butene-1
Even if a crystalline polypropylene or ethylene / propylene rubber is used instead of the random terpolymer, the object of the present invention cannot be achieved.
【０００９】次に、本発明の第２の咬合具は、結晶性プ
ロピレン・エチレン・ブテン−１ランダム三元共重合体
６０重量％以上と、エチレン・ブテン−１共重合体及び
／又は低密度ポリエチレン４０重量％以下との混合物で
形成されてなるものである。結晶性プロピレン・エチレ
ン・ブテン−１ランダム三元共重合体は、上記本発明の
第１において述べた通りである。Next, the second engaging device of the present invention comprises 60% by weight or more of a crystalline propylene / ethylene / butene-1 random terpolymer, an ethylene / butene-1 copolymer and / or a low density. It is formed of a mixture with 40% by weight or less of polyethylene. The crystalline propylene / ethylene / butene-1 random terpolymer is as described in the first aspect of the present invention.
【００１０】本発明の第２においては、この結晶性プロ
ピレン・エチレン・ブテン−１ランダム三元共重合体を
主成分とし、これとエチレン・ブテン−１共重合体及び
／又は低密度ポリエチレンとを併用することが必要であ
る。In the second aspect of the present invention, the crystalline propylene / ethylene / butene-1 random terpolymer is the main component, and the ethylene / butene-1 copolymer and / or low density polyethylene are It is necessary to use together.
【００１１】ここでエチレン・ブテン−１共重合体の密
度は、通常、０．８７〜０．８９ｇ／ｃｍ3 である。エ
チレン・ブテン−１共重合体としては、ＭＩが０．４〜
４０ｇ／１０分、好ましくは１〜２０ｇ／１０分のもの
が用いられる。ここでＭＩが前記値よりも小さいもので
あると、混合物としての分散性が低下するため好ましく
ない。また、ＭＩが前記値よりも大きいものであると、
ペレット化しづらくて、取扱いにくくなるため好ましく
ない。このエチレン・ブテン−１共重合体としては、通
常、ブテン−１含量５〜３５重量％、好ましくは１５〜
２５重量％のものが用いられる。Here, the density of the ethylene-butene-1 copolymer is usually 0.87 to 0.89 g / cm 3 . The ethylene / butene-1 copolymer has an MI of 0.4 to
The one used is 40 g / 10 min, preferably 1 to 20 g / 10 min. If the MI is smaller than the above value, the dispersibility as a mixture is lowered, which is not preferable. If MI is larger than the above value,
It is not preferable because it is difficult to pelletize and it becomes difficult to handle. The ethylene / butene-1 copolymer usually has a butene-1 content of 5 to 35% by weight, preferably 15 to
25% by weight is used.
【００１２】一方、低密度ポリエチレンとしては、密度
が０．９００〜０．９３５ｇ／ｃｍ3 の範囲のものであ
れば、エチレンの単独重合体であってもよいし、直鎖状
低密度ポリエチレン（ＬＬＤＰＥ）などであってもよ
い。このような低密度ポリエチレンとしては、ＭＩが１
〜２０ｇ／１０分、好ましくは２〜１２ｇ／１０分のも
のが用いられる。ここでＭＩが前記値よりも小さいもの
であると、分散性が悪くなるため好ましくない。また、
ＭＩが前記値よりも大きいものであると、低分子量成分
が増えて、ヒートシール性向上に寄与しないため好まし
くない。On the other hand, the low-density polyethylene may be a homopolymer of ethylene or a linear low-density polyethylene (so long as it has a density in the range of 0.900 to 0.935 g / cm 3 ). LLDPE) or the like. MI is 1 for such low-density polyethylene.
-20 g / 10 minutes, preferably 2-12 g / 10 minutes are used. If the MI is smaller than the above value, the dispersibility is deteriorated, which is not preferable. Also,
When the MI is larger than the above value, the amount of low molecular weight components increases, which does not contribute to the improvement of heat sealability, which is not preferable.
【００１３】本発明の第２においては、主成分である結
晶性プロピレン・エチレン・ブテン−１ランダム三元共
重合体に配合する成分として、上記したエチレン・ブテ
ン−１共重合体と低密度ポリエチレンのいずれか一方を
用いてもよいし、或いは両者を混合して用いてもよい。In the second aspect of the present invention, the above-mentioned ethylene / butene-1 copolymer and low-density polyethylene are used as components to be added to the crystalline propylene / ethylene / butene-1 random terpolymer which is the main component. Either one of them may be used, or both may be mixed and used.
【００１４】本発明の第２における結晶性プロピレン・
エチレン・ブテン−１ランダム三元共重合体と、エチレ
ン・ブテン−１共重合体及び／又は低密度ポリエチレン
との配合割合は、前者６０重量以上％に対し、後者４０
重量％以下、好ましくは前者９５〜６０重量％に対し、
後者５〜４０重量％、より好ましくは前者９５〜７５重
量％に対し、後者５〜２５重量％である。但し、エチレ
ン・ブテン−１共重合体を用いず、低密度ポリエチレン
を単独で用いる場合は、通常、エチレン・ブテン−１共
重合体９５〜８０重量％に対し、低密度ポリエチレン５
〜２０重量％とする。The crystalline propylene according to the second aspect of the present invention
The mixing ratio of the ethylene / butene-1 random terpolymer and the ethylene / butene-1 copolymer and / or the low density polyethylene is 60% by weight or more in the former and 40 in the latter.
% Or less, preferably 95 to 60% by weight,
The latter is 5 to 40% by weight, more preferably the former is 95 to 75% by weight, and the latter is 5 to 25% by weight. However, when the low density polyethylene is used alone without using the ethylene / butene-1 copolymer, the low density polyethylene is usually 5 to 80% by weight of the ethylene / butene-1 copolymer.
To 20% by weight.
【００１５】ここで結晶性プロピレン・エチレン・ブテ
ン−１ランダム三元共重合体の配合割合が６０重量％未
満であると、換言すればエチレン・ブテン−１共重合体
及び／又は低密度ポリエチレンの配合割合が４０重量％
を超えると、このエチレン・ブテン−１共重合体及び／
又は低密度ポリエチレンを配合したことによる効果、す
なわち柔軟性の向上に対して、柔軟性があり過ぎるため
好ましくない。Here, the mixing ratio of the crystalline propylene / ethylene / butene-1 random terpolymer is less than 60% by weight, in other words, the ethylene / butene-1 copolymer and / or the low density polyethylene. 40% by weight
When it exceeds, the ethylene / butene-1 copolymer and /
Alternatively, the effect of blending low-density polyethylene, that is, improvement in flexibility, is not preferable because it is too flexible.
【００１６】本発明の第２において、結晶性プロピレン
・エチレン・ブテン−１ランダム三元共重合体と併用す
るエチレン・ブテン−１共重合体及び／又は低密度ポリ
エチレンの代わりに、エチレン・プロピレンゴムなどを
用いたとしても、柔軟性は向上するが、ヒートシール強
度が低く、しかも１ｋｇ時のヒートシール温度が高くな
るなどして、本発明の目的を達成することはできない。In the second aspect of the present invention, instead of the ethylene / butene-1 copolymer and / or the low density polyethylene used in combination with the crystalline propylene / ethylene / butene-1 random terpolymer, ethylene / propylene rubber is used. Even if the above is used, the flexibility is improved, but the heat-sealing strength is low, and the heat-sealing temperature at 1 kg is high, so that the object of the present invention cannot be achieved.
【００１７】なお、本発明の第１の咬合具や第２の咬合
具においては、スリップ剤は必須であるが、本発明の目
的を損なわない範囲内において、必要により、帯電防止
剤，顔料などを添加することもできる。Although a slip agent is essential in the first and second articulation tools of the present invention, an antistatic agent, a pigment, etc. may be added as necessary within the range not impairing the object of the present invention. Can also be added.
【００１８】上記した如き結晶性プロピレン・エチレン
・ブテン−１ランダム三元共重合体や、結晶性プロピレ
ン・エチレン・ブテン−１ランダム三元共重合体とエチ
レン・ブテン−１共重合体及び／又は低密度ポリエチレ
ンとの混合物より、咬合具を製造する方法については特
に制限はなく、常法により製造することができるが、通
常は押出成形により製造することができる。また、咬合
具の大きさや形状等についても特に制限はなく、この咬
合具を付ける袋の用途，大きさ等に応じて適宜決定すれ
ばよい。第１図は、このようにして得られた本発明の第
１及び第２の咬合具の一態様を示す断面図である。The crystalline propylene / ethylene / butene-1 random terpolymer as described above, the crystalline propylene / ethylene / butene-1 random terpolymer and the ethylene / butene-1 copolymer and / or There is no particular limitation on the method for producing an articulating device from a mixture with low-density polyethylene, and it can be produced by a conventional method, but usually it can be produced by extrusion molding. Further, there is no particular limitation on the size or shape of the articulation device, and it may be appropriately determined according to the application, size, etc. of the bag to which the articulation device is attached. FIG. 1 is a cross-sectional view showing one embodiment of the first and second articulation tools of the present invention obtained in this way.
【００１９】さらに、本発明は第３に、上記した本発明
の第１の結晶性プロピレン・エチレン・ブテン−１ラン
ダム三元共重合体で形成されてなる咬合具を有する咬合
具付包装用袋を提供するものである。Further, the present invention thirdly provides a packaging bag with an engaging device, which has an engaging device formed from the above-mentioned first crystalline propylene / ethylene / butene-1 random terpolymer of the present invention. Is provided.
【００２０】また、本発明は第４に、上記した本発明の
第２の結晶性プロピレン・エチレン・ブテン−１ランダ
ム三元共重合体６０重量％以上と、エチレン・ブテン−
１共重合体及び／又は低密度ポリエチレン４０重量％以
下との混合物で形成されてなる咬合具を有する咬合具付
包装用袋を提供するものである。In a fourth aspect of the present invention, 60% by weight or more of the above-mentioned second crystalline propylene / ethylene / butene-1 random terpolymer of the present invention and ethylene / butene-
The present invention provides a packaging bag with an engaging device having an engaging device formed of a mixture of 1 copolymer and / or 40% by weight or less of low-density polyethylene.
【００２１】本発明の第３及び第４における咬合具付包
装用袋は、上記した如き本発明の第１或いは第２の咬合
具を袋内部に有するものであればよく、袋自体は既知の
ものを使用することができる。袋の材質や大きさ，厚み
等については特に制限はなく、袋の用途等に応じて適宜
決定すればよい。食品や雑貨等の用途に使用する場合に
は、通常は、袋を構成するフィルムとしては、ＰＥＴ／
ＣＰＰ（二軸延伸ポリエステル／ポリプロピレン）の積
層フィルムなどが用いられる。また、咬合具を袋に取付
ける方法としては、通常、まず咬合具のみを製造し、こ
れを袋本体フィルムに溶着する既知の方法を採用すれば
よい。第２図は、このようにして得られた本発明の第３
及び第４の咬合具付包装用袋の一態様を示す正面図であ
り、第３図はそのＡ−Ａ線断面図（中央部縦断面図）で
ある。図中、符号１が咬合具であり、符号２はヒートシ
ール部である。The packing bag with an engaging device according to the third and fourth aspects of the present invention may be any bag having the first or second engaging device according to the present invention as described above, and the bag itself is known. Things can be used. There are no particular restrictions on the material, size, thickness, etc. of the bag, which may be appropriately determined depending on the application of the bag and the like. When used for food or miscellaneous goods, PET /
A laminated film of CPP (biaxially oriented polyester / polypropylene) or the like is used. In addition, as a method for attaching the articulation tool to the bag, generally, a known method in which only the articulation tool is first manufactured and then welded to the bag body film may be adopted. FIG. 2 shows the third embodiment of the present invention thus obtained.
FIG. 4 is a front view showing an aspect of a fourth packaging bag with an engaging device, and FIG. 3 is a cross-sectional view (a vertical cross-sectional view of a central portion) taken along the line AA. In the figure, reference numeral 1 is an engaging device, and reference numeral 2 is a heat seal portion.
【００２２】このようにして本発明の第３及び第４の咬
合具付包装用袋を得ることができる。一般的には、ヒー
トシール，超音波シール等によって、咬合具付包装用袋
ができる。In this way, the third and fourth packaging bags with an engaging device of the present invention can be obtained. Generally, a heat-sealing, ultrasonic sealing or the like can be used to form a packaging bag with an articulating device.
【００２３】[0023]
【実施例】次に、本発明を実施例により詳しく説明す
る。 製造例１（咬合具Ａの製造） ＭＩが６．５ｇ／１０分であり、エチレン含量が２．４
重量％であって、ブテン−１含量が３．４重量％の結晶
性プロピレン・エチレン・ブテン−１ランダム三元共重
合体を用い、これを２００℃で押出成形し、水冷するこ
とにより第１図に示す如き咬合具Ａを得た。EXAMPLES Next, the present invention will be described in detail with reference to Examples. Production Example 1 (Production of Occlusal A) MI is 6.5 g / 10 minutes and ethylene content is 2.4.
A crystalline propylene / ethylene / butene-1 random terpolymer having a butene-1 content of 3.4% by weight is used, which is extruded at 200 ° C. and cooled with water to obtain a first An obturator A as shown in the figure was obtained.
【００２４】製造例２〜６（咬合具Ｂ〜Ｆの製造）及び
比較製造例１（咬合具Ｇの製造） ＭＩが６．５ｇ／１０分であり、エチレン含量が２．４
重量％であって、ブテン−１含量が３．４重量％の結晶
性プロピレン・エチレン・ブテン−１ランダム三元共重
合体に、ＭＩが３．５ｇ／１０分であって、ブテン−１
含量が２０重量％のエチレン・ブテン−１共重合体を第
１表に示す割合で配合したものを用い、これらをそれぞ
れ２００℃で押出成形し、水冷することにより第１図に
示す如き咬合具Ｂ〜Ｇを得た。Manufacturing Examples 2 to 6 (manufacture of occlusal tools B to F) and Comparative manufacturing example 1 (manufacture of occlusal tool G) MI is 6.5 g / 10 minutes and ethylene content is 2.4.
% Of butene-1 content of 3.4% by weight of crystalline propylene / ethylene / butene-1 random terpolymer, MI of 3.5 g / 10 min.
An ethylene / butene-1 copolymer having a content of 20% by weight was blended in a ratio shown in Table 1, and each of these was extruded at 200 ° C. and water-cooled to produce an engaging device as shown in FIG. BG was obtained.
【００２５】比較製造例２（咬合具Ｈの製造） ＭＩが７．０ｇ／１０分であり、エチレン含量が３．５
重量％のポリプロピレンを用い、これを２００℃で押出
成形し、水冷することにより第１図に示す如き咬合具Ｈ
を得た。Comparative Production Example 2 (Production of Occlusal Device H) MI is 7.0 g / 10 min and ethylene content is 3.5.
A weight% polypropylene is used, which is extruded at 200 ° C. and water-cooled to produce an engaging device H as shown in FIG.
I got
【００２６】比較製造例３（咬合具Ｉの製造） ＭＩが６．５ｇ／１０分であり、エチレン含量が２．４
重量％であって、ブテン−１含量が３．４重量％の結晶
性プロピレン・エチレン・ブテン−１ランダム三元共重
合体に、ＭＩが８．６ｇ／１０分であり、プロピレン含
量が２２重量％のエチレン・プロピレンゴム（ＥＰＲ）
を２５重量％配合したものを用い、これを２００℃で押
出成形し、水冷することにより第１図に示す如き咬合具
Ｉを得た。Comparative Production Example 3 (Production of Occlusion Device I) MI is 6.5 g / 10 minutes and ethylene content is 2.4.
% By weight, butene-1 content is 3.4% by weight, and crystalline propylene / ethylene / butene-1 random terpolymer has MI of 8.6 g / 10 minutes and propylene content of 22% by weight. % Ethylene Propylene Rubber (EPR)
25% by weight was used, and this was extruded at 200 ° C. and water-cooled to obtain an occlusal tool I as shown in FIG.
【００２７】実施例１〜６ 製造例１〜６で得られた咬合具Ａ〜Ｆを、ＰＥＴ／ＣＰ
Ｐ（二軸延伸ポリエステル／ポリプロピレン、全厚み５
３μｍ）フィルムのＣＰＰ側に熱溶着して、第２図及び
第３図に示す如き７種の咬合具付包装用袋を得た。得ら
れた咬合具付包装用袋について、ヒートシール温度、ヒ
ートシール強度、オルゼン剛性を測定した。オルゼン剛
性としては、用途によって異なるが、通常、３０００〜
７０００ｋｇ／ｃｍ2 程度のものが良い。結果を第１表
に示す。なお、ヒートシール温度は、熱傾斜試験機によ
り、３００ｇ／１５ｍｍ幅、１ｋｇ／１５ｍｍ幅の強度
を示す温度とした。また、ヒートシール強度について
は、ヒートシール強度が１５ｍｍ幅で２ｋｇ以上あると
きを○とし、２ｋｇ未満であるときは×とした。第１表
に示すように、これらのものは、容易に溶着できるとと
もに、強い溶着力を示し、しかも咬合具の開封性、再封
性に優れ、外観も良好なものであった。特に低温ヒート
シール性、柔軟性、易潰し性に優れたものであった。な
お、原料樹脂には、必要量のスリップ剤を配合しておい
た。これは、比較例１〜３においても同様である。Examples 1 to 6 The articulation tools A to F obtained in Production Examples 1 to 6 were subjected to PET / CP.
P (biaxially oriented polyester / polypropylene, total thickness 5
3 μm) The film was heat-welded to the CPP side to obtain 7 types of packaging bags with an engaging device as shown in FIGS. 2 and 3. The heat-sealing temperature, heat-sealing strength, and Olsen rigidity of the obtained packaging bag with an engaging device were measured. The Olsen rigidity varies depending on the use, but is usually 3000 to
It is preferably about 7,000 kg / cm 2 . The results are shown in Table 1. The heat-sealing temperature was set to a temperature showing a strength of 300 g / 15 mm width and 1 kg / 15 mm width by a heat gradient tester. Regarding the heat-sealing strength, the heat-sealing strength of 2 mm or more in the width of 15 mm was evaluated as ◯, and the heat-sealing strength of less than 2 kg was evaluated as x. As shown in Table 1, these materials were easily welded and showed a strong welding force, and the openability and resealability of the occlusion tool were excellent, and the appearance was also good. In particular, it was excellent in low-temperature heat sealability, flexibility and crushability. The raw material resin was mixed with a necessary amount of slip agent. This is the same in Comparative Examples 1 to 3.
【００２８】比較例１ 実施例１において、製造例１で得られた咬合具Ａの代わ
りに、比較製造例１で得られた咬合具Ｇを用いたこと以
外は、実施例１と同様にして行ない、咬合具付包装用袋
を得て物性を測定した。結果を第１表に示す。この比較
例１で得られた咬合具付包装用袋は、３００ｇ時のヒー
トシール温度は良好であったものの、１ｋｇ時のヒート
シール温度が高く、しかもヒートシール強度が２ｋｇ未
満であり、低いものであった。Comparative Example 1 In the same manner as in Example 1 except that the obturator A obtained in Comparative Example 1 was used in place of the obturator A obtained in Comparative Example 1. After that, a packaging bag with an articulating device was obtained and the physical properties were measured. The results are shown in Table 1. The packaging bag with an engaging device obtained in Comparative Example 1 had a good heat-sealing temperature at 300 g, but had a high heat-sealing temperature at 1 kg and a heat-sealing strength of less than 2 kg, which was low. Met.
【００２９】比較例２ 実施例１において、製造例１で得られた咬合具Ａの代わ
りに、比較製造例２で得られた咬合具Ｈを用いたこと以
外は、実施例１と同様にして行ない、咬合具付包装用袋
を得て物性を測定した。結果を第１表に示す。この比較
例２で得られた咬合具付包装用袋は、ヒートシール強度
は良好であったものの、３００ｇ時及び１ｋｇ時のヒー
トシール温度が高いものであった。Comparative Example 2 In the same manner as in Example 1 except that the obturator A obtained in Comparative Example 1 was used in place of the obturator A obtained in Comparative Example 1 in Example 1. After that, a packaging bag with an articulating device was obtained and the physical properties were measured. The results are shown in Table 1. The packaging bag with an engaging device obtained in Comparative Example 2 had good heat-sealing strength, but the heat-sealing temperature at 300 g and 1 kg was high.
【００３０】比較例３ 実施例１において、製造例１で得られた咬合具Ａの代わ
りに、比較製造例３で得られた咬合具Ｉを用いたこと以
外は、実施例１と同様にして行ない、咬合具付包装用袋
を得て物性を測定した。結果を第１表に示す。この比較
例３で得られた咬合具付包装用袋は、３００ｇ時のヒー
トシール温度は良好であったものの、１ｋｇ時のヒート
シール温度が非常に高く、しかもヒートシール強度が低
いものであった。Comparative Example 3 In the same manner as in Example 1 except that the obturator A obtained in Comparative Example 3 was used in place of the obturator A obtained in Example 1 in Example 1. After that, a packaging bag with an articulating device was obtained and the physical properties were measured. The results are shown in Table 1. The packaging bag with an engaging device obtained in Comparative Example 3 had a good heat seal temperature at 300 g, but had a very high heat seal temperature at 1 kg and a low heat seal strength. .
【００３１】製造例７（咬合具Ｊの製造） 製造例２〜６において、ＭＩが３．５ｇ／１０分であっ
て、ブテン−１含量が２０重量％のエチレン・ブテン−
１共重合体の代わりに、ＭＩが８ｇ／１０分であって、
密度が０．９１ｇ／ｃｍ3 の直鎖状低密度ポリエチレン
（出光石油化学株式会社製、モアテック １０１８Ｇ）
を５重量％の割合で用いたこと以外は、製造例２〜６と
同様にして行ない、第１図に示す如き咬合具Ｊを得た。Production Example 7 (Production of Occlusal Device J) In Production Examples 2 to 6, ethylene butene-containing MI of 3.5 g / 10 min and butene-1 content of 20% by weight.
Instead of 1 copolymer, MI was 8 g / 10 min,
Linear low-density polyethylene with a density of 0.91 g / cm 3 (Idemitsu Petrochemical Co., Ltd., Moretech 1018G)
Was carried out in the same manner as in Production Examples 2 to 6 except that 5% by weight was used to obtain an articulation tool J as shown in FIG.
【００３２】製造例８（咬合具Ｋの製造） 製造例２〜６において、ＭＩが３．５ｇ／１０分であっ
て、ブテン−１含量が２０重量％のエチレン・ブテン−
１共重合体の代わりに、該共重合体と、ＭＩが８ｇ／１
０分であって、密度が０．９１ｇ／ｃｍ3 の直鎖状低密
度ポリエチレン（出光石油化学株式会社製、モアテック
１０１８Ｇ）とをそれぞれ１０重量％ずつ用いたこと
以外は、製造例２〜６と同様にして行ない、第１図に示
す如き咬合具Ｋを得た。Production Example 8 (Production of Bite K) In Production Examples 2 to 6, ethylene butene-having a MI of 3.5 g / 10 minutes and a butene-1 content of 20% by weight.
1 copolymer, instead of the copolymer, MI was 8 g / 1
Production Examples 2 to 6 except that each of the linear low-density polyethylene having a density of 0.91 g / cm 3 (Moretec 1018G, manufactured by Idemitsu Petrochemical Co., Ltd.) was used for 10 minutes by weight. In the same manner as described above, an occlusion tool K as shown in FIG. 1 was obtained.
【００３３】実施例７ 実施例１において、製造例１で得られた咬合具Ａの代わ
りに、製造例７で得られた咬合具Ｊを用いたこと以外
は、実施例１と同様にして行ない、咬合具付包装用袋を
得て物性を測定した。結果を第１表に示す。Example 7 The same procedure as in Example 1 was carried out except that the articulation tool J obtained in Production Example 7 was used instead of the articulation tool A obtained in Production Example 1. , A packaging bag with an articulator was obtained and the physical properties were measured. The results are shown in Table 1.
【００３４】実施例８ 実施例１において、製造例１で得られた咬合具Ａの代わ
りに、製造例８で得られた咬合具Ｋを用いたこと以外
は、実施例１と同様にして行ない、咬合具付包装用袋を
得て物性を測定した。結果を第１表に示す。Example 8 The same procedure as in Example 1 was carried out except that the articulation tool K obtained in Production Example 8 was used in place of the articulation tool A obtained in Production Example 1 in Example 1. , A packaging bag with an articulator was obtained and the physical properties were measured. The results are shown in Table 1.
【００３５】[0035]
【表１】 [Table 1]
【００３６】[0036]
【発明の効果】本発明の咬合具は、低温ヒートシール性
に優れたものであって、包装用袋への溶着の際のヒート
シール温度を低くすることができる。しかも本発明の咬
合具であって、特定のエチレン・ブテン−１共重合体を
配合したものは、柔軟性がより向上したものである。ま
た、本発明の咬合具は、易潰し性に優れたものである。
さらに、本発明の咬合具は、容易に溶着できるととも
に、強い溶着力を示し、しかも咬合具の開封性、再封性
に優れ、外観も良好なものである。EFFECT OF THE INVENTION The interlocking device of the present invention is excellent in low-temperature heat-sealing property and can lower the heat-sealing temperature at the time of welding to the packaging bag. Moreover, the occlusion device of the present invention, in which the specific ethylene / butene-1 copolymer is blended, has further improved flexibility. Moreover, the occlusion tool of the present invention has excellent crushability.
Further, the engaging device of the present invention can be easily welded, exhibits a strong welding force, and has excellent openability and resealing property of the engaging device and a good appearance.
【００３７】なお、本発明の各種態様を示すと、以下の
通りである。 （１）．結晶性プロピレン・エチレン・ブテン−１ラン
ダム三元共重合体で形成されてなる咬合具。The various aspects of the present invention are as follows. (1). An occlusion tool made of a crystalline propylene / ethylene / butene-1 random terpolymer.
【００３８】（２）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体が、ＭＩ０．５〜２０ｇ
／１０分、エチレン含量１．０〜９．０重量％、ブテン
−１含量０．５〜９．０重量％である、前記（１）記載
の咬合具。(2). The crystalline propylene / ethylene / butene-1 random terpolymer has an MI of 0.5 to 20 g.
/ 10 minutes, ethylene content 1.0 to 9.0% by weight, butene-1 content 0.5 to 9.0% by weight, The occlusion tool according to the above (1).
【００３９】（３）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体６０重量％以上と、エチ
レン・ブテン−１共重合体及び／又は低密度ポリエチレ
ン４０重量％以下との混合物で形成されてなる咬合具。(3). An occlusion device formed of a mixture of 60% by weight or more of a crystalline propylene / ethylene / butene-1 random terpolymer and 40% by weight or less of an ethylene / butene-1 copolymer and / or low density polyethylene.
【００４０】（４）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体が、ＭＩ０．５〜２０ｇ
／１０分、エチレン含量１．０〜９．０重量％、ブテン
−１含量０．５〜９．０重量％であり、かつ、エチレン
・ブテン−１共重合体が、ＭＩ０．４〜４０ｇ／１０
分、ブテン−１含量５〜３５重量％である、前記（３）
記載の咬合具。(4). The crystalline propylene / ethylene / butene-1 random terpolymer has an MI of 0.5 to 20 g.
/ 10 minutes, the ethylene content is 1.0 to 9.0% by weight, the butene-1 content is 0.5 to 9.0% by weight, and the ethylene / butene-1 copolymer has an MI of 0.4 to 40 g / 10
Minutes, butene-1 content is 5 to 35% by weight, (3)
The described articulator.
【００４１】（５）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体で形成されてなる咬合具
を有する咬合具付包装用袋。(5). A packaging bag with an engaging device having an engaging device formed of a crystalline propylene / ethylene / butene-1 random terpolymer.
【００４２】（６）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体が、ＭＩ０．５〜２０ｇ
／１０分、エチレン含量１．０〜９．０重量％、ブテン
−１含量０．５〜９．０重量％である、前記（５）記載
の咬合具付包装用袋。(6). The crystalline propylene / ethylene / butene-1 random terpolymer has an MI of 0.5 to 20 g.
/ 10 minutes, the ethylene content is 1.0 to 9.0% by weight, the butene-1 content is 0.5 to 9.0% by weight, and the packaging bag with an engaging device according to (5) above.
【００４３】（７）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体６０重量％以上と、エチ
レン・ブテン−１共重合体及び／又は低密度ポリエチレ
ン４０重量％以下との混合物で形成されてなる咬合具を
有する咬合具付包装用袋。(7). An occlusion device formed of a mixture of 60% by weight or more of a crystalline propylene / ethylene / butene-1 random terpolymer and 40% by weight or less of an ethylene / butene-1 copolymer and / or low density polyethylene. A packaging bag that has an articulating device.
【００４４】（８）．結晶性プロピレン・エチレン・ブ
テン−１ランダム三元共重合体が、ＭＩ０．５〜２０ｇ
／１０分、エチレン含量１．０〜９．０重量％、ブテン
−１含量０．５〜９．０重量％であり、かつ、エチレン
・ブテン−１共重合体が、ＭＩ０．４〜４０ｇ／１０
分、ブテン−１含量５〜３５重量％である、前記（７）
記載の咬合具付包装用袋。(8). The crystalline propylene / ethylene / butene-1 random terpolymer has an MI of 0.5 to 20 g.
/ 10 minutes, the ethylene content is 1.0 to 9.0% by weight, the butene-1 content is 0.5 to 9.0% by weight, and the ethylene / butene-1 copolymer has a MI of 0.4 to 40 g / 10
Minutes, butene-1 content is 5 to 35% by weight, (7)
The packaging bag with the above-mentioned articulation device.
【図１】第１図は、本発明の第１及び第２の咬合具の一
態様を示す断面図である。FIG. 1 is a cross-sectional view showing one embodiment of first and second articulating devices of the present invention.
【図２】第２図は、本発明の第３及び第４の咬合具付包
装用袋の一態様を示す正面図である。FIG. 2 is a front view showing an embodiment of the third and fourth packaging bags with an engaging device of the present invention.
【図３】第３図は、第２図のＡ−Ａ線断面図である。FIG. 3 is a sectional view taken along line AA of FIG.
１ 咬合具 ２ ヒートシール部 1 Articulator 2 Heat seal part
Claims (4)
１ランダム三元共重合体で形成されてなる咬合具。1. Crystalline propylene-ethylene-butene-
1 An occlusal device formed of a random terpolymer.
１ランダム三元共重合体６０重量％以上と、エチレン・
ブテン−１共重合体及び／又は低密度ポリエチレン４０
重量％以下との混合物で形成されてなる咬合具。2. A crystalline propylene-ethylene-butene-
60% by weight or more of 1 random terpolymer, ethylene
Butene-1 copolymer and / or low density polyethylene 40
An articulation tool formed of a mixture with less than or equal to wt%.
１ランダム三元共重合体で形成されてなる咬合具を有す
る咬合具付包装用袋。3. Crystalline propylene-ethylene-butene-
1. A packaging bag with an engaging device, which has an engaging device formed of a random terpolymer.
１ランダム三元共重合体６０重量％以上と、エチレン・
ブテン−１共重合体及び／又は低密度ポリエチレン４０
重量％以下との混合物で形成されてなる咬合具を有する
咬合具付包装用袋。4. Crystalline propylene / ethylene / butene-
60% by weight or more of 1 random terpolymer, ethylene
Butene-1 copolymer and / or low density polyethylene 40
A packaging bag with an articulator, which has an articulator formed of a mixture with a weight% or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01837395A JP3773279B2 (en) | 1995-01-11 | 1995-01-11 | Occlusion device and packaging bag with occlusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01837395A JP3773279B2 (en) | 1995-01-11 | 1995-01-11 | Occlusion device and packaging bag with occlusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08192858A true JPH08192858A (en) | 1996-07-30 |
| JP3773279B2 JP3773279B2 (en) | 2006-05-10 |
Family
ID=11969914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01837395A Expired - Lifetime JP3773279B2 (en) | 1995-01-11 | 1995-01-11 | Occlusion device and packaging bag with occlusion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3773279B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8481135B2 (en) | 2005-06-27 | 2013-07-09 | C.I. Kasei Company, Limited | Engaging member and packing bag with engaging member |
-
1995
- 1995-01-11 JP JP01837395A patent/JP3773279B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8481135B2 (en) | 2005-06-27 | 2013-07-09 | C.I. Kasei Company, Limited | Engaging member and packing bag with engaging member |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3773279B2 (en) | 2006-05-10 |
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