JPS5940221Y2 - Heat adhesive aluminum foil composite - Google Patents
Heat adhesive aluminum foil compositeInfo
- Publication number
- JPS5940221Y2 JPS5940221Y2 JP8235279U JP8235279U JPS5940221Y2 JP S5940221 Y2 JPS5940221 Y2 JP S5940221Y2 JP 8235279 U JP8235279 U JP 8235279U JP 8235279 U JP8235279 U JP 8235279U JP S5940221 Y2 JPS5940221 Y2 JP S5940221Y2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- layer
- aluminum foil
- composite material
- resin layer
- 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
Landscapes
- Wrappers (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
本考案は熱接着性を有するアルミニウム箔複合材に関す
る。[Detailed Description of the Invention] The present invention relates to an aluminum foil composite material having thermal adhesive properties.
従来よりケチャツプ、マヨネーズ、しよう油、食用油脂
類等の充填容器や、機械部品、医薬等の包装容器等の蓋
材等としてはアルミニウム箔に接着剤層を形成させた複
合材が利用されている。Composite materials made of aluminum foil with an adhesive layer formed thereon have traditionally been used as filling containers for ketchup, mayonnaise, soybean oil, edible oils and fats, etc., as well as lids for packaging containers for mechanical parts, pharmaceuticals, etc. .
したしながら之等の複合材は、容器本体として慣用され
るポリエチレンテレフタレート樹脂やその他の樹脂例え
ばポリ塩化ビニル、ポリスチレン、ポリカーボネート等
との接着力をはじめとして耐蝕性、複合材自体のデラミ
ネーション、耐内容物性（耐油性、耐溶剤性、耐薬品性
）等において尚改善されるべき種々の難点を有している
。However, such composite materials have excellent adhesive strength with polyethylene terephthalate resin commonly used for container bodies and other resins such as polyvinyl chloride, polystyrene, and polycarbonate, as well as corrosion resistance, delamination of the composite material itself, and resistance. It has various drawbacks that still need to be improved in terms of content properties (oil resistance, solvent resistance, chemical resistance), etc.
本考案は上記食品等の充填容器や包装容器等の蓋材等と
して容器内容物を完全密刺可能な優れた接着力と共に容
易に開側可能な突き破り性を有ししかも耐蝕性、耐内容
物性の改善された新しいアルミニウム箔複合材を提供す
るものである。The present invention is used as a lid material for filling containers and packaging containers for the above-mentioned foods, etc. It has excellent adhesive strength that can completely penetrate the contents of the container, punctureability that allows easy opening, and corrosion resistance and content resistance. The present invention provides a new and improved aluminum foil composite material.
即ち、本考案は、アルミニウム箔１０片面に熱硬化性樹
脂と熱可塑性樹脂とのブレンド樹脂層２を形成し、該ブ
レンド樹脂層２上に変性ポリエチレンテレフタレート樹
脂層３を形成し、更に該樹脂層３上に熱溶融性樹脂フィ
ルム層４を形成してなる熱接着性アルミニウム箔複合材
に係る。That is, in the present invention, a blended resin layer 2 of a thermosetting resin and a thermoplastic resin is formed on one side of an aluminum foil 10, a modified polyethylene terephthalate resin layer 3 is formed on the blended resin layer 2, and a modified polyethylene terephthalate resin layer 3 is further formed on the blended resin layer 2. The present invention relates to a heat-adhesive aluminum foil composite material in which a heat-fusible resin film layer 4 is formed on a heat-adhesive aluminum foil composite material.
本考案の複合材は、アルミニウム箔１と変性ポリエチレ
ンテレフタレー・ト樹脂層３との間に介在させた所定の
ブレンド樹脂層２が上記第及び樹脂層の密着性を高め、
層間剥離のおそれを解消する。In the composite material of the present invention, a predetermined blend resin layer 2 interposed between the aluminum foil 1 and the modified polyethylene terephthalate resin layer 3 increases the adhesion of the first resin layer,
Eliminates the risk of delamination.
また上記ブレンド樹脂層２上に形成された変性ポリエチ
レンテレフタレート樹脂層３は、耐蝕性に優れ且つ食品
衛生上無害であるに加え、該層３上に更に形成される熱
溶融性樹脂フィルム層４の優れた接着剤としても作用し
、このフィルム層４と強固に一体化する。Furthermore, the modified polyethylene terephthalate resin layer 3 formed on the blended resin layer 2 has excellent corrosion resistance and is harmless from a food hygiene perspective. It also acts as an excellent adhesive and is firmly integrated with this film layer 4.
そしてこの一体化された樹脂層３及びフィルム層４は、
上記ブレンド樹脂層２中の熱硬化性樹脂と共に、得られ
る複合材の耐蝕及び耐内容物性を一層優れたものとする
。The integrated resin layer 3 and film layer 4 are
Together with the thermosetting resin in the blended resin layer 2, the resulting composite material has even better corrosion resistance and content resistance.
殊に、上記熱溶融性樹脂フィルム層４を容器本体と同一
樹脂製フィルム層とする時には、これは本考案の複合材
と容器本体との完全融着を保証し、しかも指圧等により
容易に突き破りのできる簡便で有効な蓋材を提供可能と
する。In particular, when the hot-melt resin film layer 4 is the same resin film layer as the container body, this ensures complete fusion between the composite material of the present invention and the container body, and can be easily penetrated by finger pressure or the like. To provide a simple and effective lid material that can be used.
以下本考案の複合材を図面により説明する。The composite material of the present invention will be explained below with reference to the drawings.
第１図は上記複合材の断面図であり、１はアルミニウム
箔、２はブレンド樹脂層、２は変性ポリエチレンテレフ
タレート樹脂層及び４は熱溶融性樹脂フィルム層を夫々
示す。FIG. 1 is a cross-sectional view of the composite material, in which 1 is an aluminum foil, 2 is a blended resin layer, 2 is a modified polyethylene terephthalate resin layer, and 4 is a hot-melt resin film layer.
上記アルミニウム箔１としては通常０．００７〜０．１
ｒｒａ厚程度の各種のアルミニウム箔を使用できる。The above aluminum foil 1 is usually 0.007 to 0.1
Various types of aluminum foils having a thickness of approximately 100 mm can be used.
ブレンド樹脂層２を構成する熱硬化性樹脂としては、例
えばウレタン系樹脂、フェノール系樹脂、尿素系樹脂、
メラミン系樹脂、ホルムアルデヒド系樹脂、エポキシ系
樹脂等を、また熱可塑性樹脂としては例えばアクリル系
樹脂、スチレン樹脂、エチレン−酢酸ビニル共重合樹脂
、塩化ビニル−酢酸ビニル共重合樹脂、ビニル系樹脂、
ポリエステル系樹脂等を夫々例示できる。Examples of the thermosetting resin constituting the blended resin layer 2 include urethane resin, phenol resin, urea resin,
Melamine resins, formaldehyde resins, epoxy resins, etc., and thermoplastic resins such as acrylic resins, styrene resins, ethylene-vinyl acetate copolymer resins, vinyl chloride-vinyl acetate copolymer resins, vinyl resins,
Examples include polyester resins and the like.
その配合割合は熱硬化性樹脂が多くなる程得られるブレ
ンド樹脂層の耐蝕性が向上し、また熱可塑性樹脂の配合
量が多くなる程アルミニウム箔との密着性及び変性ポリ
エチレンテレフタレート樹脂との接着性が向上し、適宜
に選択できる。The more the thermosetting resin is added, the better the corrosion resistance of the resulting blended resin layer is, and the more the thermoplastic resin is added, the better the adhesion to aluminum foil and the modified polyethylene terephthalate resin. can be selected appropriately.
通常熱硬化性樹脂１０〜９９重量部好ましくは６０〜７
５重量部及び熱可塑性樹脂１〜９０重量部好ましくは２
５〜４０重量部とするのがよい。Usually 10 to 99 parts by weight of thermosetting resin, preferably 60 to 7 parts by weight
5 parts by weight and 1 to 90 parts by weight of thermoplastic resin, preferably 2
The amount is preferably 5 to 40 parts by weight.
該ブレンド樹脂層は通常の方法例えば上記２種の樹脂を
適当な溶剤溶液の形態で、アルミニウム箔上に塗付する
ことにより形成される。The blended resin layer is formed by a conventional method, for example, by applying the above two resins in the form of a suitable solvent solution onto an aluminum foil.
塗付量は形成される層の接着力、密着力、耐蝕性及び得
られる複合材の価格を考慮して通常１〜１０１／ｒｒ？
程度とするのが好ましＶ＼また上記ブレンド樹脂層上に
形成される変性ポリエチレンテレフタレート樹脂層３を
構成する樹脂としては例えばポリエチレンテレフタレー
トを出発物質とし、これにトリエチレングリコールその
他のジオール類を添加してエステル交換反応による解重
合と再縮合反応を行なわせることにより製造される通常
のものをいずれも使用できる。The coating amount is usually 1 to 101/rr, taking into consideration the adhesion, adhesion, and corrosion resistance of the layer to be formed and the price of the resulting composite material.
It is preferable that the resin constituting the modified polyethylene terephthalate resin layer 3 formed on the blended resin layer is, for example, polyethylene terephthalate as a starting material, to which triethylene glycol and other diols are added. Any conventional product produced by depolymerization by transesterification and recondensation reaction can be used.
上記変性ポリエチレンテレフタレート樹脂層３＋−４該
樹脂の適当な有機溶媒溶液を常法に従い塗付することに
より形成される。The modified polyethylene terephthalate resin layer 3+-4 is formed by applying a solution of the resin in a suitable organic solvent according to a conventional method.
塗付量は均一な層が形成される限り制限はないが、好ま
しくは約２〜５１／ｒｒｔ’程度とすればよい。The amount of coating is not limited as long as a uniform layer is formed, but it is preferably about 2 to 51/rrt'.
本考案の複合材は上記変性ポリエチレンテレフタレート
樹脂層３上に、熱溶融性樹脂フィルムを通常の方法で加
熱圧着することにより製造される。The composite material of the present invention is manufactured by hot-pressing a hot-melt resin film onto the modified polyethylene terephthalate resin layer 3 using a conventional method.
上記熱溶融性樹脂としてはポリエチレンテレフタレート
、ポリ塩化ビニル、ポリスチレン、又はポリカーボネー
ト等が適当である。Suitable examples of the heat-melting resin include polyethylene terephthalate, polyvinyl chloride, polystyrene, and polycarbonate.
殊にこの樹脂として本考案の複合材を容器の蓋材として
用いる際の容器と同一樹脂製フィルムとする時には、容
器との完全融着による密封が可能である。In particular, when the composite material of the present invention is used as a lid material for a container, the same resin film as that of the container is used as the resin, and sealing can be achieved by complete fusion with the container.
フィルム厚は特に制限はなく市販の数□クロンから数十
ミクロンのものを有利に利用できる。The film thickness is not particularly limited, and commercially available films ranging from several square meters to several tens of microns can be advantageously used.
かくして得られる本考案の複合材は更に必要に応じてア
ルミニウム箔の他面上に常法に従い合成樹脂フィルムや
紙製のオーバーコート層を形成されてもよく、また該オ
ーバーコート層は適宜に印刷されていてもよい。The thus obtained composite material of the present invention may further have an overcoat layer made of a synthetic resin film or paper formed on the other side of the aluminum foil according to a conventional method, if necessary, and the overcoat layer may be appropriately printed. may have been done.
本考案の複合材は、ポリエチレンテレフタレート、ポリ
塩化ビニル、ポリスチレン、ポリカーボネート等の各種
樹脂製の容器殊に食品等の充填用及び包装用容器の開封
可能な蓋材としてまたその他の用途に有用なものである
。The composite material of the present invention is useful as an openable lid material for containers made of various resins such as polyethylene terephthalate, polyvinyl chloride, polystyrene, polycarbonate, etc., especially containers for filling and packaging foods, etc., and for other uses. It is.
以下本考案の実施例を挙げる。Examples of the present invention will be described below.
実施例
４０μ厚の軟しアルミニウム箔の片面にエポキシ樹脂と
線状ポリエステル樹脂との混合物の溶剤溶液を２１７／
ｒｒ？の塗布量でグラビアコート後乾燥し、次いで該樹
脂層上に変性ポリエチレンテレフタレート樹脂の溶剤溶
液を４ Ｐ／ｌｒｉ’の割合となるようにグラビアコー
ト後更に該塗膜上に厚さ２５μのポリエチレンテレフタ
レート樹脂フィルムを１５０℃で加圧接着して本考案の
複合材を得る。Example 4 A solvent solution of a mixture of epoxy resin and linear polyester resin was applied to one side of a softened aluminum foil having a thickness of 217 μm.
rr? After gravure coating with a coating amount of The resin film is bonded under pressure at 150° C. to obtain the composite material of the present invention.
得られた複合材を、ポリエチレンテレフタレートフィル
ムを基材とし、これに１ｋｇ・／ｃＪ、１８０℃で１秒
間ヒートシールして試料を作成する。The obtained composite material is heat-sealed to a polyethylene terephthalate film for 1 second at 1 kg·/cJ and 180° C. to prepare a sample.
この試料の基材との接着力及び試料を市販サラダ油に４
０℃で１ケ月間浸漬後の同様の接着力を調べた所、いず
れも基材破断が起り、充分な接着性を有することが判っ
た。The adhesive strength of this sample to the base material and the sample was added to commercially available salad oil for 4 hours.
When similar adhesive strength was examined after being immersed at 0°C for one month, the base material broke in all cases, and it was found that the adhesive strength was sufficient.
また上記複合材を市販サラダ油を充填したポリエチレン
テレフタレート製ボルトの蓋材として用いヒートシール
後、蓋部を下側にして４０℃で１ケ月放置した所、内容
物のもれは全く認められなかった。Furthermore, when the above composite material was used as a lid material for a polyethylene terephthalate bolt filled with commercially available salad oil, and after heat-sealing, it was left at 40°C with the lid facing down for one month, and no leakage of the contents was observed. .
また被蓋は上記試験の前後にかいて共に指圧により容易
に突きやふることができｔもIn addition, the cap can be easily pushed and shaken with acupressure both before and after the above test.
稟１図は本考案に係る複合材の断面図である。
１・・・・・・アルミニウム箔、２・・・・・・ブレン
ド樹脂層３・・・・・・変性ポリエチレンテレフタレー
ト樹脂層、４・・・・・・熱溶融性樹脂フィルム層。Figure 1 is a cross-sectional view of the composite material according to the present invention. 1...Aluminum foil, 2...Blend resin layer 3...Modified polyethylene terephthalate resin layer, 4...Thermofusible resin film layer.
Claims (1)
性樹脂とのブレンド樹脂層２を形成し、該ブレンド樹脂
層２上に変性ポリエチレンテレフタレート樹脂層３を形
成し、更に該樹脂層３上に熱溶融性樹脂フィルム＠４を
形成してなる熱接着性アルミニウム箔複合材。 ２、ブレンド樹脂層２が、熱硬化性樹脂１０〜９９重量
部と熱可塑性樹脂１〜９０重量部とからなるものである
実用新案登録請求の範囲第１項記載の複合材。 ３、熱溶融性樹脂フィルム層４がポリエチレンテレフタ
レート、ポリ塩化ビニル、ポリスチレン及びポリカーボ
ネートから選ばれた樹脂フィルム層である実用新案登録
請求わ範囲第１項記載の複合材。1. A blend resin layer 2 of a thermosetting resin and a thermoplastic resin is formed on one side of the aluminum foil 1, a modified polyethylene terephthalate resin layer 3 is formed on the blend resin layer 2, and a heat treatment layer is further formed on the resin layer 3. A heat-adhesive aluminum foil composite material formed by forming a meltable resin film@4. 2. The composite material according to claim 1, wherein the blended resin layer 2 comprises 10 to 99 parts by weight of a thermosetting resin and 1 to 90 parts by weight of a thermoplastic resin. 3. The composite material according to claim 1, wherein the heat-melting resin film layer 4 is a resin film layer selected from polyethylene terephthalate, polyvinyl chloride, polystyrene, and polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8235279U JPS5940221Y2 (en) | 1979-06-15 | 1979-06-15 | Heat adhesive aluminum foil composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8235279U JPS5940221Y2 (en) | 1979-06-15 | 1979-06-15 | Heat adhesive aluminum foil composite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56533U JPS56533U (en) | 1981-01-06 |
| JPS5940221Y2 true JPS5940221Y2 (en) | 1984-11-13 |
Family
ID=29315584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8235279U Expired JPS5940221Y2 (en) | 1979-06-15 | 1979-06-15 | Heat adhesive aluminum foil composite |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5940221Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57163561A (en) * | 1981-04-01 | 1982-10-07 | Kishimoto Akira | Laminate |
-
1979
- 1979-06-15 JP JP8235279U patent/JPS5940221Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56533U (en) | 1981-01-06 |
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