JPH03199046A - Locally shrinkable packaging material and manufacture thereof - Google Patents
Locally shrinkable packaging material and manufacture thereofInfo
- Publication number
- JPH03199046A JPH03199046A JP1344720A JP34472089A JPH03199046A JP H03199046 A JPH03199046 A JP H03199046A JP 1344720 A JP1344720 A JP 1344720A JP 34472089 A JP34472089 A JP 34472089A JP H03199046 A JPH03199046 A JP H03199046A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- shrinkable film
- pattern
- laminated
- packaging material
- 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.)
- Pending
Links
- 239000005022 packaging material Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000010410 layer Substances 0.000 claims abstract description 86
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 239000011888 foil Substances 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000004840 adhesive resin Substances 0.000 claims abstract description 11
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 238000010030 laminating Methods 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000006082 mold release agent Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000018999 crinkle Diseases 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、筒状や袋状の包装材として用いられる部分収
縮性包装材料およびその製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a partially shrinkable packaging material used as a cylindrical or bag-shaped packaging material, and a method for producing the same.
（従来の技術）
従来、収縮性フィルムよりなる包装材を用いて例えば食
品等の包装を行う場合、上記包装材を筒状あるいは袋状
にしてその中に内容物を入れた後、該包装材を加熱する
ことにより収縮させて内容物を包装するという方法が一
般に知られている。(Prior Art) Conventionally, when packaging, for example, food products using a packaging material made of a shrinkable film, the packaging material is shaped into a cylinder or a bag and the contents are placed inside the packaging material. A commonly known method is to shrink the contents by heating them.
（発明が解決しようとする課題）
上記従来の包装方法では、包装材の表面に印刷された絵
柄模様が該包装材の収縮によって鼓状になったり、弛ん
だりして製品の外観を損ねてしまうという不都合があっ
た。(Problem to be Solved by the Invention) In the conventional packaging method described above, the pattern printed on the surface of the packaging material becomes drum-shaped or loosens due to shrinkage of the packaging material, which impairs the appearance of the product. There was this inconvenience.
本発明は、上記問題点を解決するためになされたもので
あって、収縮性フィルムの収縮時にできる皺を利用して
包装材の意匠効果を向上させるとともに、その皺によっ
て包装材にクッソヨン効果を持たせて製品の保護を図る
ことのできる部分収縮性包装材料およびその製造方法を
得ることを目的とする。The present invention has been made in order to solve the above-mentioned problems.The present invention improves the design effect of packaging materials by making use of the wrinkles formed when the shrinkable film shrinks, and also imparts a crinkle effect to the packaging material using the wrinkles. An object of the present invention is to obtain a partially shrinkable packaging material that can be used to protect products, and a method for producing the same.
（課題を解決するための手段）
上記目的を達成するために、本発明に係る部分収縮性包
装材料は、アルミ箔の片面に非収縮性フィルムを積層す
るとともに他面に柄状の離型剤層を介して収縮性フィル
ムを接着剤により積層するよう構成した。(Means for Solving the Problems) In order to achieve the above object, the partially shrinkable packaging material according to the present invention has a non-shrinkable film laminated on one side of aluminum foil, and a patterned release agent on the other side. The structure was such that the shrinkable film was laminated with an adhesive between the layers.
前記非収縮性フィルムの表面には、前記離型剤層の柄に
対応する絵柄層を設けることができる。A pattern layer corresponding to the pattern of the release agent layer can be provided on the surface of the non-shrinkable film.
また、前記非収縮性フィルムの表面に絵柄層を介して熱
接着性樹脂層を設けるようにすることもできる。Furthermore, a heat-adhesive resin layer may be provided on the surface of the non-shrinkable film via a pattern layer.
一方、本発明に係る部分収縮性包装材料の製造方法は、
アルミ箔の片面に接着剤により非収縮性フィルムを積層
した後、該非収縮性フィルムの表面に印刷による絵柄層
、保護層および熱接着性樹脂層を順次積層するとともに
、前記アルミ箔の他面の前記絵柄層の絵柄に対応する位
置に柄状に離型剤層を印刷により積層し、その後、前記
アルミ箔の前記離型剤層側に接着剤により収縮性フィル
ムを積層するようにした。On the other hand, the method for producing a partially shrinkable packaging material according to the present invention includes:
After laminating a non-shrinkable film on one side of the aluminum foil with an adhesive, a printed pattern layer, a protective layer, and a heat-adhesive resin layer are sequentially laminated on the surface of the non-shrinkable film, and the other side of the aluminum foil is A release agent layer was laminated in a pattern shape by printing at a position corresponding to the pattern of the pattern layer, and then a shrinkable film was laminated with an adhesive on the side of the release agent layer of the aluminum foil.
（作用）
本発明に係る包装材料は、アルミ箔の片面に非収縮性フ
ィルムが積層され他面に柄状の離型剤層を介して収縮性
フィルムが接着剤により積層されているため、この包装
材料により収縮性フィルムを内面にして内容物を包装し
て加熱すると、柄状の離型剤が塗布されている部分のみ
収縮性フィルムが収縮し、離型剤の塗布されていない部
分は収縮しない。したがって、離型剤が塗布されている
部分に対応する非収縮性フィルムが弛み皺となって凸状
部を形成する。すなわち、包装材の表面は、弛み皺ので
きる部分とできない部分とに区分されることとなる。(Function) The packaging material according to the present invention has a non-shrinkable film laminated on one side of aluminum foil and a shrinkable film laminated with an adhesive on the other side via a patterned release agent layer. When the contents are packaged with a shrinkable film on the inside using packaging material and heated, the shrinkable film will shrink only in the part where the patterned release agent is applied, and the part where the release agent is not applied will shrink. do not. Therefore, the non-shrinkable film corresponding to the part to which the mold release agent is applied loosens and wrinkles to form a convex portion. That is, the surface of the packaging material is divided into areas where wrinkles can be formed and areas where wrinkles cannot be formed.
そして、非収縮性フィルム面に柄状の離型剤に対応した
絵柄層を設けておき、その絵柄模様を工夫することによ
り、包装材の意匠効果を向上させることができる。By providing a patterned pattern layer corresponding to the release agent on the surface of the non-shrinkable film and devising the pattern, the design effect of the packaging material can be improved.
上記のような包装材料は、非収縮性フィルムの表面に絵
柄層を介して設けられた熱接着性樹脂層の部分を背シー
ル部として重ね貼りで筒状の包装体を形成するか、もし
くは、収縮性フィルム面同士のヒートシールにより袋状
包装体を形成して使用される。The above-mentioned packaging material can be laminated to form a cylindrical packaging by using the heat-adhesive resin layer provided on the surface of the non-shrinkable film via the pattern layer as the back seal part, or It is used by forming a bag-like package by heat-sealing the shrinkable film surfaces together.
（実施例） 以下、実施例を図面に基づいて説明する。(Example) Examples will be described below based on the drawings.
第１図は本発明の一実施例に係る包装材料としての積層
ンート１の積層構造を示し、第２図は同実施例の積層シ
ートＩの製造工程を示す。FIG. 1 shows the laminated structure of a laminated sheet I as a packaging material according to an embodiment of the present invention, and FIG. 2 shows the manufacturing process of the laminated sheet I of the same embodiment.
この実施例において、積層シートｌは、厚さ７μのアル
ミ箔２の片面（図中下方側）に、ウレタン系２液硬化型
の接着剤３を介して２軸延伸ポリエステル（Ｐ Ｅ Ｔ
”）からなる非収縮性フィルム層４を積層し、さらに
、その表面に、絵柄層５を介して保護層６および該保護
層６の表面に部分的に後述の収縮性フィルム層９とヒー
トシール可能な樹脂であるアクリル系樹脂を用いた熱接
着性樹脂層７を積層し、また、上記アルミ箔２の他面に
、柄状に離型剤層８を形成し、その上に、同上の接着剤
３を介して厚さ３０μの収縮ポリ塩化ビニル（ＰＶＣ）
よりなる収縮性フィルム層９を積層したものである。In this example, the laminated sheet 1 is made of biaxially oriented polyester (P E T
A non-shrinkable film layer 4 is laminated on the surface of the non-shrinkable film layer 4 made of A heat-adhesive resin layer 7 made of acrylic resin, which is a possible resin, is laminated, and a release agent layer 8 is formed in the shape of a pattern on the other side of the aluminum foil 2, and on top of that, the same 30μ thick shrink polyvinyl chloride (PVC) via adhesive 3
This is a lamination of shrinkable film layers 9 consisting of:
上記のような積層シートｌの製造工程は以下のとおりで
ある。The manufacturing process of the laminated sheet 1 as described above is as follows.
まず、アルミ箔２の片面に非収縮性フィルム層４を接着
剤３により積層しく第２図（ａ））、次いで、上記非収
縮性フィルム層４の表面に印刷による絵柄層５．保護層
６および熱接着性樹脂層７を順次形成すると同時に、ア
ルミ箔２の他面の上記絵柄層５の絵柄に対応した所定位
置に該絵柄層５と見当を合わせて離型剤層８を柄状に印
刷する（第２図（ｂ））。そして、その後、前記アルミ
箔２の前記離型剤層８側に接着剤３により収縮性フィル
ム層９を積層して積層シートｌを形成する。First, a non-shrinkable film layer 4 is laminated on one side of the aluminum foil 2 using an adhesive 3 (FIG. 2(a)), and then a pattern layer 5 is printed on the surface of the non-shrinkable film layer 4. At the same time as the protective layer 6 and the thermoadhesive resin layer 7 are sequentially formed, a release agent layer 8 is formed on the other side of the aluminum foil 2 at a predetermined position corresponding to the pattern of the pattern layer 5 and in register with the pattern layer 5. It is printed in a pattern (Fig. 2(b)). Thereafter, a shrinkable film layer 9 is laminated on the release agent layer 8 side of the aluminum foil 2 using an adhesive 3 to form a laminated sheet 1.
この積層シートＩは、収縮性フィルム層９の面を内側に
して筒状にされ、該収縮性フィルム層９と表面の熱接着
性樹脂層７とを重ねてヒートシールすることにより筒状
包装体となる。そして、このように形成された包装体に
内容物を収納して加熱すると、収縮性フィルム層９が収
縮しようとするが、離型剤層８と接触しているアルミ箔
２および非収縮性フィルム層４の部分のみがその収縮を
許すため、この離型剤層８に対応する収縮性フィルム層
９のみが収縮し、それ以外の部分の収縮性フィルム層９
は収縮しない。このため、離型剤層８に対応する非収縮
性フィルム層４が弛み皺となって凸状部を形成する。す
なわち、包装材の表面は、弛み皺のできる部分とできな
い部分とに区分されることとなる。このとき、非収縮性
フィルム層４の表面に印刷された絵柄層５の絵柄が離型
剤層８の柄と対応して形成されているので、その絵柄模
様を工夫することにより、種々の意匠を得ることができ
る。例えば、離型剤層８を格子状に形成することにより
恰も縄で縛って包装した感じにしたすすることができ、
包装体の意匠効果の向上が図れる。また、上記のように
弛み皺になった部分がクツションの役目を果すため、包
装された製品の保護にも効果的である。This laminated sheet I is formed into a cylinder with the shrinkable film layer 9 facing inside, and the shrinkable film layer 9 and the heat-adhesive resin layer 7 on the surface are stacked and heat-sealed to form a cylindrical package. becomes. When the contents are stored in the package formed in this way and heated, the shrinkable film layer 9 tries to shrink, but the aluminum foil 2 and the non-shrinkable film in contact with the release agent layer 8 tend to shrink. Since only the layer 4 is allowed to shrink, only the shrinkable film layer 9 corresponding to the release agent layer 8 shrinks, and the other parts of the shrinkable film layer 9
does not shrink. Therefore, the non-shrinkable film layer 4 corresponding to the mold release agent layer 8 becomes loose and wrinkled to form a convex portion. That is, the surface of the packaging material is divided into areas where wrinkles can be formed and areas where wrinkles cannot be formed. At this time, since the pattern of the pattern layer 5 printed on the surface of the non-shrinkable film layer 4 is formed in correspondence with the pattern of the mold release agent layer 8, various designs can be created by devising the pattern. can be obtained. For example, by forming the mold release agent layer 8 in a lattice shape, it is possible to make it look like it was tied with a rope and wrapped.
The design effect of the package can be improved. Furthermore, since the loose and wrinkled portions as mentioned above act as cushions, they are effective in protecting the packaged product.
第３図は本発明の他の実施例に係る包装１料としての積
層シートｌの積層構造を示す。FIG. 3 shows a laminated structure of a laminated sheet 1 as a packaging material according to another embodiment of the present invention.
この実施例は、袋状の包装材に用いる場合の積層シート
ｌの応用例を示しており、第１図の実施例と異なるのは
、保護層６の表面（図中下方側）に熱接着性樹脂層を有
していない点である。なお、第１図の実施例と同様の構
成については、同一番号を付すに留めその説明は省略す
る。This example shows an example of the application of the laminated sheet 1 when used for bag-shaped packaging materials, and is different from the example shown in FIG. This is because it does not have a synthetic resin layer. Note that the same components as those in the embodiment shown in FIG. 1 are given the same reference numerals and their explanations will be omitted.
この実施例において、積層シートｌは、収縮性フィルム
層９の面を内側にして同シート１を２枚重ね合わせ、こ
れらの収縮性フィルム層９同士をヒートシールすること
により袋状包装体に製袋される。In this example, the laminated sheet 1 is manufactured into a bag-like package by stacking two sheets 1 with the shrinkable film layer 9 facing inside and heat-sealing the shrinkable film layers 9 together. Being sacked.
上記各実施例において、収縮性フィルム層９はＰＶＣに
より構成するようにしたが、この他に、例えば、厚さ１
０〜４０μのポリプロピレン（ＰＰ）やポリエチレン（
ＰＥ）あるいはポリスチレン（ＰＳ）により構成するこ
ともできる。また、非収縮性フィルム層４の構成として
は、上記以外に、例えば、厚さ５〜２０μの２軸延伸ポ
リプロピレンや２軸延伸ナイロン、もしくは、ポリ塩化
ビニリデン（ＰＶＤＣ）コートした２軸延伸ポリエステ
ル、２軸延伸ポリプロピレン、２軸延伸ナイロンや、そ
の他、２軸延伸エチレン−ビニルアルコール共重合体（
Ｅｔ−Ｖａｌ）などを用いることができる。また、熱接
着性樹脂層７の構成としては、上記のアクリル系樹脂以
外に、例えば、塩素化ポリプロピレンや変成ポリエステ
ル等を用いることがてき、これは、上記のように部分的
に設ける代わりに全面に設けるようにしてもよい。In each of the above embodiments, the shrinkable film layer 9 was made of PVC, but in addition to this, for example, the shrinkable film layer 9 may have a thickness of 1
0~40μ polypropylene (PP) or polyethylene (
It can also be constructed from PE) or polystyrene (PS). In addition to the above, the non-shrinkable film layer 4 may be made of, for example, biaxially oriented polypropylene or biaxially oriented nylon having a thickness of 5 to 20 μm, or biaxially oriented polyester coated with polyvinylidene chloride (PVDC). Biaxially oriented polypropylene, biaxially oriented nylon, and other biaxially oriented ethylene-vinyl alcohol copolymers (
Et-Val), etc. can be used. In addition, in addition to the above-mentioned acrylic resin, for example, chlorinated polypropylene, modified polyester, etc. can be used for the structure of the thermally adhesive resin layer 7. It may also be provided.
さらに、接着剤３としては、上記以外に、ポリオレフィ
ン系樹脂接着剤等を用いることができる。Furthermore, as the adhesive 3, in addition to the above, a polyolefin resin adhesive or the like can be used.
本発明は、その他、いろいろな形の実施態様が可能であ
る。The present invention can be implemented in various other forms.
（発明の効果）
本発明は以上のように構成されているのて、部分収縮性
包装材料において、収縮性フィルムの収縮時にできる皺
を利用して包装材の意匠効果を向上させることができる
とともに、その皺によって包装材にクツション効果を持
たせて製品の保護を図ることができる。また、このよう
な包装材料の製造においても、アルミ箔の他面への離型
剤層の形成と、非収縮性フィルム層の表面への絵柄層。(Effects of the Invention) With the present invention configured as described above, in a partially shrinkable packaging material, it is possible to improve the design effect of the packaging material by utilizing the wrinkles formed when the shrinkable film shrinks. The wrinkles can provide a cushioning effect to the packaging material to protect the product. Also, in the production of such packaging materials, a release agent layer is formed on the other side of the aluminum foil, and a pattern layer is formed on the surface of the non-shrinkable film layer.
保護層および熱接着性樹脂層の形成とを一工程で行うこ
とができるので、工程数も少なくてすむという効果を有
する。Since the formation of the protective layer and the heat-adhesive resin layer can be performed in one step, there is an advantage that the number of steps can be reduced.
第１図は本発明の一実施例に係る積層シートの構成図、
第２図は同積層シートの製造工程を示す説明図、第３図
は本発明の他の実施例に係る積層ソートの構成図である
。
ｌ：積層ソート、２ニアルミ箔、３二接着剤、４：非収
縮性フィルム層、５：絵柄層、６：保護層、７：熱接着
性樹脂層、８：離型剤層、９：収縮性フィルム層。
第３
図
第
図FIG. 1 is a configuration diagram of a laminated sheet according to an embodiment of the present invention,
FIG. 2 is an explanatory diagram showing the manufacturing process of the laminated sheet, and FIG. 3 is a configuration diagram of a laminated sort according to another embodiment of the present invention. l: lamination sorting, 2 aluminum foil, 32 adhesive, 4: non-shrinkable film layer, 5: pattern layer, 6: protective layer, 7: thermoadhesive resin layer, 8: mold release agent layer, 9: shrinkage sexual film layer. Figure 3
Claims (4)
ともに他面に柄状の離型剤層を介して収縮性フィルムを
接着剤により積層したことを特徴とする部分収縮性包装
材料。(1) A partially shrinkable packaging material characterized by laminating a non-shrinkable film on one side of aluminum foil and laminating a shrinkable film on the other side with an adhesive via a patterned release agent layer.
に対応する絵柄層を設けた請求項１記載の部分収縮性包
装材料。(2) The partially shrinkable packaging material according to claim 1, wherein a pattern layer corresponding to the pattern of the release agent layer is provided on the surface of the non-shrinkable film.
接着性樹脂層を設けた請求項１記載の部分収縮性包装材
料。(3) The partially shrinkable packaging material according to claim 1, wherein a heat-adhesive resin layer is provided on the surface of the non-shrinkable film via a pattern layer.
を積層した後、該非収縮性フィルムの表面に印刷による
絵柄層、保護層および熱接着性樹脂層を順次積層すると
ともに、前記アルミ箔の他面の前記絵柄層の絵柄に対応
する位置に柄状に離型剤層を印刷により積層し、その後
、前記アルミ箔の前記離型剤層側に接着剤により収縮性
フィルムを積層したことを特徴とする部分収縮性包装材
料の製造方法。(4) After laminating a non-shrinkable film on one side of the aluminum foil with an adhesive, a printed pattern layer, a protective layer and a heat-adhesive resin layer are sequentially laminated on the surface of the non-shrinkable film, and A release agent layer was laminated in a pattern shape by printing at a position corresponding to the pattern of the pattern layer on the other side, and then a shrinkable film was laminated with an adhesive on the release agent layer side of the aluminum foil. A method for producing a featured partially shrinkable packaging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1344720A JPH03199046A (en) | 1989-12-27 | 1989-12-27 | Locally shrinkable packaging material and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1344720A JPH03199046A (en) | 1989-12-27 | 1989-12-27 | Locally shrinkable packaging material and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03199046A true JPH03199046A (en) | 1991-08-30 |
Family
ID=18371458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1344720A Pending JPH03199046A (en) | 1989-12-27 | 1989-12-27 | Locally shrinkable packaging material and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03199046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881602A (en) * | 2014-04-09 | 2014-06-25 | 太仓泰邦电子科技有限公司 | Easy-to-paste decorative copper foil |
-
1989
- 1989-12-27 JP JP1344720A patent/JPH03199046A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881602A (en) * | 2014-04-09 | 2014-06-25 | 太仓泰邦电子科技有限公司 | Easy-to-paste decorative copper foil |
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