JPH0468143B2 - - Google Patents
Info
- Publication number
- JPH0468143B2 JPH0468143B2 JP58100029A JP10002983A JPH0468143B2 JP H0468143 B2 JPH0468143 B2 JP H0468143B2 JP 58100029 A JP58100029 A JP 58100029A JP 10002983 A JP10002983 A JP 10002983A JP H0468143 B2 JPH0468143 B2 JP H0468143B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- ionomer resin
- ethylene
- film
- vinyl acetate
- 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 - Lifetime
Links
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 19
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 19
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 229920000554 ionomer Polymers 0.000 claims description 15
- 239000005022 packaging material Substances 0.000 claims description 11
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 7
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 18
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 229920012753 Ethylene Ionomers Polymers 0.000 description 4
- -1 polypropylene Polymers 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920001959 vinylidene polymer Polymers 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ハム、焼ぶた、魚などの食料品を真
空密着包装するスキンパツク用包装材の製造方法
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for manufacturing a packaging material for skin packs for vacuum tight packaging of food products such as ham, grilled pork, and fish.
従来、アイオノマー樹脂にエチレン・酢酸ビニ
ル共重合物（EVA）を積層したフイルムのアイ
オノマー樹脂面に、塩化ビニリデンコートを施し
たスキンパツク用包装材が用いられていた。
Conventionally, packaging materials for skin packs have been used, in which a vinylidene chloride coating is applied to the ionomer resin surface of a film made by laminating ethylene-vinyl acetate copolymer (EVA) onto an ionomer resin.
また、アイオノマー樹脂／塩化ビニリデン層／
EVAの構成のスキンパツク用包装材が提供され
ていた。 In addition, ionomer resin/vinylidene chloride layer/
Packaging materials for skin packs composed of EVA were provided.
また、特公昭50−7101号公報には、ポリオレフ
イン基質層と、この基質層の片面に接合されたビ
ニリデン重合体の連続薄層と、このビニリデン重
合体層に接合された10重量％より多い酢酸ビニル
含有量を有する第一のエチレン／酢酸ビニル共重
合体の連続薄層と、この第一のエチレン／酢酸ビ
ニル共重合体層に接合された10重量％より少ない
酢酸ビニル含有量を有する第二のエチレン／酢酸
ビニル共重合体の表面層とからなる熱封かん性積
層フイルムが記載されている。 Japanese Patent Publication No. 50-7101 also discloses a polyolefin substrate layer, a continuous thin layer of vinylidene polymer bonded to one side of the substrate layer, and a polyolefin polymer layer with an amount of more than 10% by weight of acetic acid bonded to the vinylidene polymer layer. a first continuous thin layer of ethylene/vinyl acetate copolymer having a vinyl content and a second continuous layer having a vinyl acetate content of less than 10% by weight joined to this first ethylene/vinyl acetate copolymer layer; A heat-sealable laminated film comprising a surface layer of an ethylene/vinyl acetate copolymer is described.
しかし、上記従来のアイオノマー樹脂にEVA
を積層したフイルムのアイオノマー樹脂面に、塩
化ビニリデンコートを施したスキンパツク用包装
材は、塩化ビニリデンコート時に、アイオノマー
樹脂とEVAとからなるフイルムの耐熱性が低い
ために、充分な熱がかけられず塩化ビニリデンコ
ートが困難であり、このため高いバリヤ性を得る
ことができず、また巻取り時の巻硬さによつて
は、巻取りのブロツキングとなり、また適正硬さ
に巻いても使用までの時間が長い場合、フイルム
の自然収縮によりブロツキングで使用不能になる
という問題点があつた。さらにEVAはタツキー
で、ロール状に巻き上げたものを、使用時に巻き
戻すときにタツク性をもつて、巻き戻しの作業が
困難となり、効率が悪い。
However, EVA is added to the conventional ionomer resin mentioned above.
The packaging material for skin packs is made by applying a vinylidene chloride coating to the ionomer resin surface of a laminated film.Due to the low heat resistance of the film made of ionomer resin and EVA, sufficient heat is not applied during the vinylidene chloride coating, and the ionomer resin surface is coated with vinylidene chloride. Vinylidene coating is difficult, so high barrier properties cannot be obtained, and depending on the hardness at the time of winding, it may cause blocking, and even if it is wound to the appropriate hardness, it will take a long time to use. When the length is long, there is a problem that the film becomes unusable due to blocking due to natural shrinkage. Furthermore, EVA has a tackiness, so when it is rolled up into a roll and unwound during use, it has tackiness, making the unwinding process difficult and inefficient.
また、アイオノマー樹脂／塩化ビニリデン層
EVAの構成のスキンパツク用包装材は、共押出
ラミネートしたものであるので、価格が嵩み、マ
ツト加工していないのでブロツキングが生じると
いう問題点があつた。 In addition, the ionomer resin/vinylidene chloride layer
Packaging materials for skin packs made of EVA are coextruded and laminated, so they are expensive, and since they are not matted, they suffer from blocking.
また、特公昭50−7101号公報記載の積層フイル
ムは、マツト加工していないのでブロツキングが
生じ、巻き戻しの作業が困難で効率が悪いという
問題点があつた。そしてフイルムの構成にアイオ
ノマー樹脂は用いられていない。 Furthermore, the laminated film described in Japanese Patent Publication No. 50-7101 has the problem that blocking occurs because it is not matted, making rewinding difficult and inefficient. And no ionomer resin is used in the film construction.
本発明は上記の問題点を解決するために、不透
明なマツト加工部がシユリンク包装の熱により透
明になることに着目してなされたもので、熱可塑
性プラスチツクフイルムに塩化ビニリデンコート
を施して従来品より高いバリヤ性を容易に付与
し、その後、EVAとアイオノマー樹脂とをマツ
ト加工でラミネートすることにより、ブロツキン
グしないため使用ロールから巻き戻し易く、製造
が容易で品質が安定し、安価で高いバリヤ性を有
するスキンパツク用包装材の製造方法を提供する
ことを目的とするものである。 In order to solve the above-mentioned problems, the present invention was made by focusing on the fact that the opaque matted part becomes transparent due to the heat of shrink packaging. Easily imparts higher barrier properties, and then laminates EVA and ionomer resin using a matte process, which prevents blocking and is easy to unwind from the roll used. Easy to manufacture, stable quality, low cost, and high barrier properties. An object of the present invention is to provide a method for producing a packaging material for skin packs having the following properties.
上記の目的を達成するために、本発明のスキン
パツク用包装材の製造方法は、第１図を参照して
説明すれば、熱可塑性プラスチツクフイルム１
に、ポリ塩化ビニリデンのエマルジヨンを塗布し
熱処理成膜してポリ塩化ビニリデン膜２を形成
し、ついでこのポリ塩化ビニリデン膜２上に
EVAおよびアイオノマー樹脂をEVAが外側を向
くように共押出ラミネートしてEVA層３および
アイオノマー樹脂層５を形成すると同時に、
EVA層３の表面に凹凸のあるロールでマツト加
工（表面が艶消しになつた状態）を施すことを特
徴としている。４はマツト加工部である。フイル
ム１の厚さは20〜60μ、EVA層３の厚さは20〜
100μ、EVA層３とアイオノマー樹脂層５の厚さ
は合計で30〜150μである。
In order to achieve the above object, the method for manufacturing a skin pack packaging material of the present invention will be described with reference to FIG.
Then, a polyvinylidene chloride film 2 is formed by applying an emulsion of polyvinylidene chloride and forming a film by heat treatment, and then on this polyvinylidene chloride film 2.
At the same time, EVA and ionomer resin are coextruded and laminated with EVA facing outward to form EVA layer 3 and ionomer resin layer 5.
The feature is that the surface of the EVA layer 3 is given a matte finish (the surface becomes matte) using a roll with unevenness. 4 is a pine processing section. The thickness of film 1 is 20~60μ, the thickness of EVA layer 3 is 20~
The total thickness of the EVA layer 3 and the ionomer resin layer 5 is 30-150μ.
本発明において用いる熱可塑性プラスチツクフ
イルムとして、ポリプロピレン、ポリエチレンな
どのオレフイン系フイルム、アイオノマー樹脂、
EVAなどのエチレン共重合物系フイルム、未延
伸ナイロン、未延伸ポリエステル、ポリスチレン
フイルム、スチレン・ブタジエンフイルム、また
はこれらの複合フイルムを挙げることができる。 The thermoplastic plastic film used in the present invention includes olefin films such as polypropylene and polyethylene, ionomer resins,
Examples include ethylene copolymer films such as EVA, unstretched nylon, unstretched polyester, polystyrene films, styrene-butadiene films, and composite films thereof.
以下、本発明の実施例を第１図に基づいて説明
する。
Embodiments of the present invention will be described below with reference to FIG.
厚さが40μの無延伸ポリプロピレンフイルム
に、塩化ビニリデンコートを施してバリヤ性を付
与し、さらに塩化ビニリデンコート面にEVAと
アイオノマー樹脂を合計で80μの厚さでマツト加
工の押出ラミネートを施して包装材を製造した。 A 40μ thick unstretched polypropylene film is coated with vinylidene chloride to provide barrier properties, and the vinylidene chloride coated surface is then laminated with matte extrusion laminate of EVA and ionomer resin to a total thickness of 80μ. manufactured the material.
本発明の方法により得た包装材でスキンパツク
する場合は、まず２枚の包装材をマツト加工部４
が対向するようにし、マツト加工部４、４間に被
包装物を入れ、加熱し真空に引いて密着させる。 When skin packing is performed using the packaging material obtained by the method of the present invention, firstly, two packaging materials are placed in the mat processing section 4.
The objects to be packaged are placed between the mat processing parts 4 and 4, and heated and evacuated to bring them into close contact.
EVAとアイオノマー樹脂とをマツト加工でラ
ミネートすることにより、何の抵抗もなく巻き戻
すことができ、作業が容易となる。ところでマツ
ト加工するとフイルムが半透明になつて内容物が
見えにくくなるが、スキンパツクするときの加熱
により、加熱箇所のマツトは消えて透明になるの
で、従来のマツト加工をしたものとは異なり、食
料品の真空包装のような内容物を見せたい用途に
も適している。 By laminating EVA and ionomer resin using matte processing, it can be rewound without any resistance, making the work easier. By the way, matte processing makes the film translucent and makes it difficult to see the contents, but when skin packs are heated, the pine disappears in the heated areas and becomes transparent, so unlike the conventional matte processing, it is difficult to see the contents. It is also suitable for applications where you want to show the contents, such as when vacuum packaging products.
以上説明したように本発明によれば、マツト加
工することによりブロツキングが生じなくなるの
で使用し易くなり、また塩化ビニリデンコートが
容易にできるので高いバリヤ性を有し、かつ、半
透明のマツト加工部はスキンパツクするときの加
熱により透明になるので、内容物がよく見え、し
かも製造が容易で低コスト化を図ることができ、
品質も安定するなどの効果を奏する。
As explained above, according to the present invention, matte processing eliminates blocking, making it easier to use, and since vinylidene chloride coating can be easily applied, it has high barrier properties, and the translucent matte processing part It becomes transparent when heated during skin packing, so you can clearly see the contents, and it is easy to manufacture, reducing costs.
This has the effect of stabilizing quality.
第１図は本発明の方法により製造したスキンパ
ツク用包装材の一例を示す断面図である。
１……熱可塑性プラスチツクフイルム、２……
ポリ塩化ビニリデン膜、３……EVA層、４……
マツト加工部、５……アイオノマー樹脂層。
FIG. 1 is a sectional view showing an example of a skin pack packaging material manufactured by the method of the present invention. 1...Thermoplastic plastic film, 2...
Polyvinylidene chloride film, 3... EVA layer, 4...
Mat processing part, 5... Ionomer resin layer.
Claims (1)
化ビニリデンのエマルジヨンを塗布し熱処理成膜
してポリ塩化ビニリデン膜２を形成し、ついでこ
のポリ塩化ビニリデン膜２上にエチレン・酢酸ビ
ニル共重合物およびアイオノマー樹脂をエチレ
ン・酢酸ビニル共重合物が外側を向くように共押
出ラミネートしてエチレン・酢酸ビニル共重合物
層３およびアイオノマー樹脂層５を形成すると同
時に、エチレン・酢酸ビニル共重合物層３の表面
にマツト加工を施すことを特徴とするスキンパツ
ク用包装材の製造方法。1 A thermoplastic plastic film 1 is coated with an emulsion of polyvinylidene chloride and subjected to heat treatment to form a polyvinylidene chloride film 2, and then an ethylene-vinyl acetate copolymer and an ionomer resin are coated on the polyvinylidene chloride film 2. The ethylene/vinyl acetate copolymer layer 3 and the ionomer resin layer 5 are formed by coextrusion lamination so that the ethylene/vinyl acetate copolymer layer 3 faces outward, and at the same time, matte is applied to the surface of the ethylene/vinyl acetate copolymer layer 3. A method for producing a packaging material for skin packs, which is characterized by subjecting it to processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10002983A JPS59224342A (en) | 1983-06-03 | 1983-06-03 | Manufacture of packing material for packing "condom" |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10002983A JPS59224342A (en) | 1983-06-03 | 1983-06-03 | Manufacture of packing material for packing "condom" |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59224342A JPS59224342A (en) | 1984-12-17 |
| JPH0468143B2 true JPH0468143B2 (en) | 1992-10-30 |
Family
ID=14263105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10002983A Granted JPS59224342A (en) | 1983-06-03 | 1983-06-03 | Manufacture of packing material for packing "condom" |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59224342A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH051388Y2 (en) * | 1986-01-28 | 1993-01-14 | ||
| JPS62260677A (en) * | 1986-04-30 | 1987-11-12 | 旭化成ポリフレツクス株式会社 | Easily sealable discriminating packaging material |
| JP6589590B2 (en) * | 2015-11-17 | 2019-10-16 | 三菱ケミカル株式会社 | Multilayer sheet for PTP and PTP package using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507101A (en) * | 1972-12-28 | 1975-01-24 |
-
1983
- 1983-06-03 JP JP10002983A patent/JPS59224342A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507101A (en) * | 1972-12-28 | 1975-01-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59224342A (en) | 1984-12-17 |
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