JPH0340597Y2 - - Google Patents
Info
- Publication number
- JPH0340597Y2 JPH0340597Y2 JP1986138475U JP13847586U JPH0340597Y2 JP H0340597 Y2 JPH0340597 Y2 JP H0340597Y2 JP 1986138475 U JP1986138475 U JP 1986138475U JP 13847586 U JP13847586 U JP 13847586U JP H0340597 Y2 JPH0340597 Y2 JP H0340597Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- foamed
- film
- shrinkable film
- shrinkable
- 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
Links
- 229920006257 Heat-shrinkable film Polymers 0.000 claims description 39
- 238000007639 printing Methods 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 229920006300 shrink film Polymers 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 10
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は例えば瓶等のラベル包装に好適な複合
収縮フイルムに関するものであり、かかる複合収
縮フイルムを提示することにより、もつて当該産
業上の利用に供さんとするものである。[Detailed description of the invention] <Industrial application field> The present invention relates to a composite shrink film suitable for label packaging of bottles, etc. By presenting such a composite shrink film, it will be possible to improve the industrial application. It is intended for use as a companion.
〈従来の技術〉
従来より発泡熱収縮性フイルムは瓶等の破裂の
際の飛散防止用ラベルとして多用されているが、
これら発泡熱収縮性フイルムに印刷を施す場合、
発泡フイルムの不透明性に起因して裏印刷の行わ
れることがなく、通常表印刷が行われていた。と
ころが、表印刷はどうしても光沢性に不足するケ
ースが多く、人目を引く美しい印刷効果が付与さ
れにくい傾向にあつた。更に、発泡フイルムは一
般にその発泡粒子に起因して張力のかかる方向に
伸び易い傾向があり、このため高度な多色印刷を
連続的に行いにくい傾向を有していた。<Conventional technology> Foamed heat-shrinkable films have traditionally been widely used as labels to prevent scattering when bottles etc. burst.
When printing on these foamed heat-shrinkable films,
Due to the opacity of the foamed film, back printing was not performed, and front printing was usually performed. However, surface printing often lacks gloss, making it difficult to provide eye-catching and beautiful printing effects. Furthermore, foamed films generally tend to stretch in the direction of tension due to their foamed particles, making it difficult to perform continuous high-level multicolor printing.
〈問題点を解決するための手段〉
こうした点に鑑み、本発明者らは発泡熱収縮性
フイルムに対し、光沢ある印刷及び高度な多色印
刷を施すべく種々検討した結果、ついに本発明に
到達したもので、その特徴とするところはエチレ
ン・プロピレン共重合体50重量％以上およびエチ
レン・プロピレン共重合体を除いた他のポリオレ
フイン系重合体を含む樹脂成分からなる発泡熱収
縮性フイルム２と、印刷４の施されたポリエステ
ル系重合体の熱収縮性フイルム３とを、前記印刷
面が前記発泡熱収縮性フイルム２と対するように
接着剤を介してラミネートしてなる点にある。<Means for Solving the Problems> In view of these points, the present inventors conducted various studies in order to perform glossy printing and advanced multicolor printing on foamed heat-shrinkable films, and finally arrived at the present invention. It is characterized by a foamed heat-shrinkable film 2 made of a resin component containing 50% by weight or more of an ethylene/propylene copolymer and other polyolefin polymers other than the ethylene/propylene copolymer; A heat-shrinkable film 3 made of a polyester polymer with printing 4 applied thereto is laminated with an adhesive so that the printed surface faces the foamed heat-shrinkable film 2.
次に、問題点を解決するための手段を更に具体
的に述べることにする。 Next, the means for solving the problem will be described in more detail.
本考案に係る発泡熱収縮性フイルム２とは一
軸、二軸等に延伸されて、少なくとも一方方向に
熱収縮性を有する発泡フイルムのことであり、好
ましくは押出方向と直角方向（横方向）に一軸延
伸された横方向に大なる熱収縮性を有し、縦方向
にも必要ならば若干熱収縮性を有するフイルムが
好適である。こうした発泡熱収縮性フイルム２の
樹脂成分（素材）としてはポリエチレン、ポリプ
ロピレン、エチレン・プロピレン共重合体、エチ
レン・酢酸ビニル共重合体等のポリオレフイン系
重合体を用いればよく、特にエチレン・プロピレ
ン共重合体を50重量％以上含み、かつ例えばポリ
エチレン、ポリプロピレン、エチレン・酢酸ビニ
ル共重合体等のエチレン・プロピレン共重合体以
外のポリオレフイン系重合体が適宜に添加されて
なる混合物が好適である。この際、エチレン・プ
ロピレン共重合体としては、エチレン含有量10モ
ル％以下の共重合体が好ましいものとして例示で
き、また使用される発泡剤としては周知のものを
例示できる。こうした発泡熱収縮性フイルム２は
単膜のものであつても、その表面に熱収縮性を有
する通常の無発泡フイルム層５が積層された複合
構造を取るものであつてもよく、この際、熱収縮
性を有する通常の無発泡フイルム層５としてはポ
リオレフイン系重合体ならば特に制限はないが、
例えば熱収縮性を有する発泡フイルム層１２と同
素材のものを例示することができる。 The foamed heat-shrinkable film 2 according to the present invention is a foamed film that is stretched uniaxially, biaxially, etc. and has heat-shrinkable properties in at least one direction, preferably in a direction perpendicular to the extrusion direction (lateral direction). A uniaxially stretched film that has great heat shrinkability in the transverse direction and, if necessary, some heat shrinkability in the machine direction, is suitable. As the resin component (material) of the foamed heat-shrinkable film 2, polyolefin polymers such as polyethylene, polypropylene, ethylene/propylene copolymer, ethylene/vinyl acetate copolymer, etc. may be used, especially ethylene/propylene copolymer. Preferably, the mixture contains 50% by weight or more of a copolymer, and a polyolefin polymer other than the ethylene/propylene copolymer, such as polyethylene, polypropylene, or ethylene/vinyl acetate copolymer, is appropriately added. In this case, as the ethylene/propylene copolymer, a copolymer having an ethylene content of 10 mol % or less can be exemplified as a preferable one, and as the blowing agent to be used, well-known ones can be exemplified. Such foamed heat-shrinkable film 2 may be a single film, or may have a composite structure in which a normal non-foamed film layer 5 having heat-shrinkable properties is laminated on its surface. There are no particular restrictions on the heat-shrinkable normal non-foamed film layer 5 as long as it is a polyolefin polymer.
For example, a material made of the same material as the foamed film layer 12 having heat shrinkability can be used.
以上のような発泡熱収縮性フイルム２とラミネ
ートする熱収縮性フイルム３としてはポリエステ
ル系重合体を主成分とするものである。こうした
熱収縮性フイルムも一軸、二軸等に延伸されて、
少なくとも一方方向に熱収縮性を有するものであ
り、好ましくは押出方向と直角方向（横方向）に
一軸延伸された横方向に大なる熱収縮性を有し、
縦方向にも必要ならば若干熱収縮性を有するフイ
ルムを例示することができる。更に、特に制限を
受けるものでないが、例えば発泡収縮フイルム２
と同程度の熱収縮性を有し、同程度の熱収縮温度
特性を有するものが一層適応し易い。かかる熱収
縮性フイルム３はその表面に適宜の印刷４が施さ
れており、この印刷面が図面に示す如く、発泡熱
収縮性フイルム２と対面するのである。尚、発泡
熱収縮性フイルム２として前記した複合構造のも
のを用いる場合は、かかる複合構造物における無
発泡フイルム層５と熱収縮性フイルム３の印刷面
とが対面するように配置することが望ましいが、
このことは特に制限を受けるものでない。 The heat-shrinkable film 3 to be laminated with the foamed heat-shrinkable film 2 as described above has a polyester polymer as its main component. These heat-shrinkable films are also stretched uniaxially, biaxially, etc.
It has heat shrinkability in at least one direction, preferably has large heat shrinkability in the transverse direction when uniaxially stretched in a direction perpendicular to the extrusion direction (transverse direction),
If necessary, a film having some heat shrinkability in the longitudinal direction can also be used. Furthermore, although not particularly limited, for example, foamed shrink film 2
It is easier to apply a material that has the same level of heat shrinkage and the same level of heat shrinkage temperature characteristics. The heat-shrinkable film 3 has a suitable print 4 applied to its surface, and this printed surface faces the foamed heat-shrinkable film 2 as shown in the drawing. In addition, when using the above-described composite structure as the foamed heat-shrinkable film 2, it is desirable to arrange the non-foamed film layer 5 of the composite structure so that the printed surface of the heat-shrinkable film 3 faces each other. but,
This is not particularly restricted.
この際、発泡フイルムは一般に前記した通り縦
方向に伸び易く、発泡熱収縮性フイルムもこの傾
向を有するため、例えば写真印刷の様な多色で高
度の印刷が不向きであり、こうした面を補うた
め、縦方向に伸びにくいポリエステル系重合体の
例えば多色印刷物をラミネートすることにより、
一般に行われている例えば写真印刷の様な高度な
多色印刷が可能となるなどの効果も期待できるの
である。 At this time, as mentioned above, foamed films generally tend to stretch in the vertical direction, and foamed heat-shrinkable films also have this tendency, making them unsuitable for multi-color, high-quality printing such as photo printing. By laminating, for example, multicolored printed materials made of polyester polymers that are difficult to stretch in the vertical direction,
It is also possible to expect effects such as the ability to perform advanced multi-color printing, such as photo printing, which is commonly performed.
本考案に係る複合収縮フイルムの熱収縮率は特
に制限はなく用途に応じ適宜に定めればよいが、
好ましくはグリセリン浴100℃×30秒における熱
収縮率が横方向に10〜35％、更に好ましくは20〜
30％、縦方向に０〜35％、更に好ましくは０〜20
％程度のものでよい。 The heat shrinkage rate of the composite shrink film according to the present invention is not particularly limited and may be determined as appropriate depending on the application.
Preferably, the heat shrinkage rate in a glycerin bath at 100°C for 30 seconds is 10 to 35% in the transverse direction, more preferably 20 to 35%.
30%, longitudinally 0-35%, more preferably 0-20
% is sufficient.
本考案に係る発泡熱収縮性フイルム２と印刷４
を施された熱収縮性フイルム３とを接着剤を介し
てラミネートするにはドライラミネート法等を例
示でき、その他周知の方法により行われる。この
際、ドライラミネートを行うには例えば熱収縮性
フイルム３の印刷面に溶剤型の接着剤を付与し、
乾燥せしめた後、発泡熱収縮性フイルム２とラミ
ネートするものであり、接着剤としては接着性の
あるものならば何でもよいが、フイルム１の熱収
縮性能に大きな影響を及ぼさないような接着剤
や、その塗布方法を検討することが望ましい。 Foamed heat-shrinkable film 2 and printing 4 according to the present invention
To laminate the heat-shrinkable film 3 with the heat-shrinkable film 3 using an adhesive, a dry laminating method or the like may be used, or other well-known methods may be used. At this time, to perform dry lamination, for example, a solvent-based adhesive is applied to the printed surface of the heat-shrinkable film 3,
After drying, it is laminated with the foamed heat-shrinkable film 2. Any adhesive may be used as long as it has adhesive properties, but adhesives or adhesives that do not significantly affect the heat-shrinkable performance of the film 1 may be used. , it is desirable to consider its application method.
第１図、第２図に示すは本考案に係る複合収縮
フイルムの１例であり、第３図はかかる複合収縮
フイルム１を筒状のスリーブとして用い、発泡熱
収縮性フイルム２側が瓶壁と接するようにガラス
瓶１０に熱収縮被覆せしめた１例を示すもので、
こうした用途には、破瓶時の飛散防止効果等もあ
つて極めて有用である。また、このような容器類
のラベル包装としては、例えば前記した横一軸延
伸されたものが望ましく、一般にその延伸方向が
スリーブの円周方向に用いられるケースが多い。 Figures 1 and 2 show an example of the composite shrink film according to the present invention, and Figure 3 shows the composite shrink film 1 used as a cylindrical sleeve, with the foamed heat shrink film 2 side facing the bottle wall. This shows an example in which a glass bottle 10 is heat-shrinkable coated so as to be in contact with the glass bottle 10.
It is extremely useful for such uses, as it also has the effect of preventing scattering when the bottle breaks. In addition, as label packaging for such containers, for example, it is desirable that the label is uniaxially stretched horizontally as described above, and the stretching direction is generally used in the circumferential direction of the sleeve in many cases.
本考案に係る複合収縮フイルムの用途としては
特に制限はなく、適宜に必要な用途に適応される
が、一般的には前記した如き、ガラス瓶の破裂時
の飛散防止用ラベル、金属製等の缶容器の外装用
ラベル、プラスチツク容器の外装用ラベル等に用
いられるケースが多い。 There are no particular restrictions on the use of the composite shrink film according to the present invention, and it may be applied to any necessary use, but generally, it is used for labels such as those mentioned above to prevent scattering when glass bottles burst, and for metal cans. It is often used for the exterior labels of containers, plastic containers, etc.
〈考案の効果〉
本考案は、その構成により、
発泡熱収縮性フイルムの発泡状態が密になつ
て微細な発泡構造となり、延伸を行つても発泡
状態が著しく破壊されず、表面状態の美しいも
のが得られる。<Effects of the invention> Due to the structure of the present invention, the foamed heat-shrinkable film becomes densely foamed to form a fine foamed structure, and even when stretched, the foamed state is not significantly destroyed and the surface is beautiful. is obtained.
発泡熱収縮性フイルム及び熱収縮性フイルム
ともに耐光性、耐溶剤性、耐熱性が良好のため
使用範囲が極めて広くなり、かつ強度的にも優
れたものとなる。 Both the foamed heat-shrinkable film and the heat-shrinkable film have good light resistance, solvent resistance, and heat resistance, so they can be used in a very wide range of applications, and they also have excellent strength.
接着剤を介してラミネートされるので、発泡
熱収縮性フイルムと熱収縮性フイルムとの樹脂
成分が異質なものであつても、良好な接着強度
が確保され、更に例えば相互に熱収縮率の異な
る発泡熱収縮性フイルムと熱収縮性フイルムと
をラミネートしたとしても剥離現象が生ずるこ
ともない。 Since the foamed heat-shrinkable film and the heat-shrinkable film are laminated using an adhesive, good adhesive strength can be ensured even if the resin components of the foamed heat-shrinkable film and the heat-shrinkable film are different. Even when a foamed heat-shrinkable film and a heat-shrinkable film are laminated, no peeling phenomenon occurs.
従来不十分な傾向にあつた発泡熱収縮性フイ
ルムの印刷効果が大幅に改善され、光沢ある美
しい多色印刷の提供も可能である。 The printing effect of foamed heat-shrinkable film, which has tended to be insufficient in the past, has been greatly improved, and it is now possible to provide glossy and beautiful multicolor printing.
等の格別顕著な効果を奏するものである。It has particularly remarkable effects such as.
第１図は本考案の１実施例を示す複合収縮フイ
ルムの断面図であり、第２図は他の実施例を示す
断面図であり、第３図は本考案に係る複合収縮フ
イルムの１用途を示す断面図及び側面図である。
１……複合収縮フイルム、２……発泡熱収縮性
フイルム、３……熱収縮性フイルム、４……印刷
部。
FIG. 1 is a cross-sectional view of a composite shrink film showing one embodiment of the present invention, FIG. 2 is a cross-sectional view showing another embodiment, and FIG. 3 is one use of the composite shrink film according to the present invention. FIG. 1... Composite shrink film, 2... Foamed heat-shrinkable film, 3... Heat-shrinkable film, 4... Printing section.
Claims (1)
およびエチレン・プロピレン共重合体を除いた
他のポリオレフイン系重合体を含む樹脂成分か
らなる発泡熱収縮性フイルム２と、印刷４の施
されたポリエステル系重合体の熱収縮性フイル
ム３とを、前記印刷面が前記発泡熱収縮性フイ
ルム２と対するように接着剤を介してラミネー
トしてなる複合収縮フイルム。 (2) 発泡熱収縮性フイルム２が、エチレン・プロ
ピレン共重合体50重量％以上およびエチレン・
プロピレン共重合体を除いた他のポリオレフイ
ン系重合体を含む樹脂成分からなる発泡フイル
ム層１２と、ポリオレフイン系重合体の無発泡
フイルム層５とからなる実用新案登録請求の範
囲第１項記載の複合収縮フイルム。 (3) 発泡熱収縮性フイルム２の無発泡フイルム層
５が印刷面と対するように接着剤を介してラミ
ネートしてなる実用新案登録請求の範囲第２項
記載の複合収縮フイルム。[Scope of Claim for Utility Model Registration] (1) A foamed heat-shrinkable film 2 consisting of a resin component containing 50% by weight or more of an ethylene-propylene copolymer and another polyolefin polymer other than the ethylene-propylene copolymer; , a heat-shrinkable film 3 made of a polyester polymer having a printing 4 applied thereto, and laminated with an adhesive so that the printed surface faces the foamed heat-shrinkable film 2. (2) The foamed heat-shrinkable film 2 contains 50% by weight or more of ethylene/propylene copolymer and ethylene/propylene copolymer.
The composite according to claim 1 of the utility model registration claim, comprising a foamed film layer 12 made of a resin component containing a polyolefin polymer other than the propylene copolymer, and an unfoamed film layer 5 made of a polyolefin polymer. shrink film. (3) A composite shrink film according to claim 2, which is obtained by laminating the non-foamed film layer 5 of the foamed heat-shrinkable film 2 with an adhesive so as to face the printed surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138475U JPH0340597Y2 (en) | 1986-09-09 | 1986-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138475U JPH0340597Y2 (en) | 1986-09-09 | 1986-09-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6343722U JPS6343722U (en) | 1988-03-24 |
| JPH0340597Y2 true JPH0340597Y2 (en) | 1991-08-27 |
Family
ID=31043492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986138475U Expired JPH0340597Y2 (en) | 1986-09-09 | 1986-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340597Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925825A (en) * | 1982-08-03 | 1984-02-09 | Gunze Ltd | Expanded material having heat sherinkability in crosswise direction |
| JPS5926245A (en) * | 1982-08-03 | 1984-02-10 | グンゼ株式会社 | Composite foamed material having heat shrinkability in lateral direction |
| JPS59230720A (en) * | 1983-06-14 | 1984-12-25 | Mitsubishi Plastics Ind Ltd | Covering method of heat shrinking label |
| JPS6016341A (en) * | 1983-07-05 | 1985-01-28 | Mitsubishi Heavy Ind Ltd | Indexing device |
| JPS6036132A (en) * | 1983-08-09 | 1985-02-25 | Sekisui Plastics Co Ltd | Sheet for formation of shrinkable sleeve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5891538U (en) * | 1981-12-15 | 1983-06-21 | グンゼ株式会社 | Containers |
| JPS6062936U (en) * | 1983-10-07 | 1985-05-02 | 大日本印刷株式会社 | Shrinkable sheet |
| JPS60152428U (en) * | 1984-03-23 | 1985-10-11 | 山陽国策パルプ株式会社 | Shrinkable composite sheet for sleeve formation |
-
1986
- 1986-09-09 JP JP1986138475U patent/JPH0340597Y2/ja not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925825A (en) * | 1982-08-03 | 1984-02-09 | Gunze Ltd | Expanded material having heat sherinkability in crosswise direction |
| JPS5926245A (en) * | 1982-08-03 | 1984-02-10 | グンゼ株式会社 | Composite foamed material having heat shrinkability in lateral direction |
| JPS59230720A (en) * | 1983-06-14 | 1984-12-25 | Mitsubishi Plastics Ind Ltd | Covering method of heat shrinking label |
| JPS6016341A (en) * | 1983-07-05 | 1985-01-28 | Mitsubishi Heavy Ind Ltd | Indexing device |
| JPS6036132A (en) * | 1983-08-09 | 1985-02-25 | Sekisui Plastics Co Ltd | Sheet for formation of shrinkable sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6343722U (en) | 1988-03-24 |
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