JPH11138684A - Self-adhering film - Google Patents

Self-adhering film

Info

Publication number
JPH11138684A
JPH11138684A JP31026297A JP31026297A JPH11138684A JP H11138684 A JPH11138684 A JP H11138684A JP 31026297 A JP31026297 A JP 31026297A JP 31026297 A JP31026297 A JP 31026297A JP H11138684 A JPH11138684 A JP H11138684A
Authority
JP
Japan
Prior art keywords
layer
deposited
adhesive
film
self
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
Application number
JP31026297A
Other languages
Japanese (ja)
Other versions
JP3482843B2 (en
Inventor
Kenichi Kaneko
健一 金子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP31026297A priority Critical patent/JP3482843B2/en
Publication of JPH11138684A publication Critical patent/JPH11138684A/en
Application granted granted Critical
Publication of JP3482843B2 publication Critical patent/JP3482843B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Adhesive Tapes (AREA)
  • Laminated Bodies (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a transparent film having excellent gas barrier properties and to prevent generation of chlorine gas at the time of incinerating by providing a coated layer composed of an aqueous coating agent on a deposited layer of deposited film, where a metallic oxide deposited layer is formed on a base, and providing a self-adhering layer on the coated layer surface. SOLUTION: A deposited film 3 is composed by forming a metallic oxide deposited layer 2 on one side of a base 1, where a coated layer 4 composed of an aqueous coating agent is provided on the deposited layer 2. A self-adhering agent layer 5 is provided on the coated layer 4. High-molecular film is preferable for the base 1, and a simple or mixed composition of various metallic oxide is preferable for the deposited layer 2. Polyvinyl alcohol is specially preferable for water-soluble high polymer molecules of the coating agent layer 4 for improving gas barrier properties. And the self-adhering agent layer 5 is composed of one of a solvent type self-adhesive having main component of rubber or acrylic resin, an emulsion type self-adhesive having main component of acrylic resin, or a hot-melt type self-adhesive.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、透明で、しかもガ
スバリア性が優れた粘着性フィルムに関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent adhesive film having excellent gas barrier properties.

【0002】[0002]

【従来の技術】ラベルやテープでガスバリア性を良好に
するには、プラスチックフィルムにアルミニウム蒸着フ
ィルムや、アルミニウム箔と紙を積層した積層フィルム
を基材としたものや、ポリ塩化ビニリデンやエチレンー
ビニルアルコール共重合体のようなガスバリア性プラス
チックフィルムを基材としたものがある。しかし、前述
の蒸着フィルムやアルミニウム箔を含む基材を用いた場
合、不透明であるため、内容物を確認できない。また、
ガスバリア性プラスチックフィルムを含む基材を用いた
場合、内容物の確認はできるものの、ポリ塩化ビニリデ
ンフィルムの場合、使用後の廃棄で焼却すると、塩素ガ
スが発生する問題がある。また、エチレンービニルアル
コール共重合体の場合、湿度依存性が高いので、水蒸気
のバリア性が不十分である問題があった。
2. Description of the Related Art In order to improve the gas barrier properties of labels and tapes, plastic films made of aluminum vapor-deposited films, laminated films of aluminum foil and paper as a base material, polyvinylidene chloride and ethylene-vinyl There is a material based on a gas barrier plastic film such as an alcohol copolymer. However, when the above-described base material including the vapor-deposited film or the aluminum foil is used, the content cannot be confirmed because the base material is opaque. Also,
When a substrate containing a gas barrier plastic film is used, the contents can be confirmed, but in the case of a polyvinylidene chloride film, there is a problem that chlorine gas is generated when incinerated by disposal after use. Further, in the case of the ethylene-vinyl alcohol copolymer, there is a problem that the barrier property against water vapor is insufficient because of high humidity dependency.

【0003】一方、最近プラスチックフィルムに酸化珪
素、酸化アルミニウム等の金属酸化物蒸着層を設けた蒸
着フィルムが、透明で、防湿性等が優れるガスバリア性
フィルムとして実用化されている。しかし、この蒸着フ
ィルムは、蒸着層に直接粘着剤層を設けると、粘着剤層
に含む成分により、蒸着層が劣化し、ガスバリア性が低
下してしまし問題があった。
On the other hand, recently, a vapor-deposited film having a plastic film provided with a vapor-deposited layer of a metal oxide such as silicon oxide or aluminum oxide has been put to practical use as a gas barrier film which is transparent and has excellent moisture-proof properties. However, when the pressure-sensitive adhesive layer is provided directly on the vapor-deposited film, the vapor-deposited layer is deteriorated by the components contained in the pressure-sensitive adhesive layer, and the gas barrier property is reduced.

【0004】[0004]

【発明が解決しようとする課題】本発明は、透明で、ガ
スバリア性が優れた金属酸化物蒸着層を設けた蒸着フィ
ルムを用いた粘着性フィルムで、粘着剤層を設けても、
蒸着層の劣化が生じない、粘着性フィルムを提供するこ
とを目的とする。
SUMMARY OF THE INVENTION The present invention is directed to an adhesive film using a vapor-deposited film provided with a metal oxide vapor-deposited layer which is transparent and has excellent gas barrier properties.
An object of the present invention is to provide an adhesive film that does not cause deterioration of a deposited layer.

【0005】[0005]

【課題を解決するための手段】本発明は、基材に金属酸
化物蒸着層を形成した蒸着フィルムの、前記蒸着層に水
性コーティング剤からなる被覆層を設け、この被覆層面
に粘着剤層を設けたことを特徴とする、粘着性フィルム
である。また、本発明は、被覆層面にアンカーコーティ
ング層を介して粘着剤層を設けたことを特徴とする、粘
着性フィルムである。
According to the present invention, there is provided a vapor-deposited film having a metal oxide vapor-deposited layer formed on a substrate, wherein the vapor-deposited layer is provided with a coating layer comprising an aqueous coating agent, and the pressure-sensitive adhesive layer is coated on the surface of the coating layer. An adhesive film characterized by being provided. Further, the present invention is an adhesive film, wherein an adhesive layer is provided on the coating layer surface via an anchor coating layer.

【0006】また、本発明は、前記被覆層面に印刷層を
設けたことを特徴とする粘着性フィルムである。また、
本発明は、前記水性コーティング剤からなる被覆層を、
水溶性高分子と金属アルコキシドまたはその加水分解物
を含む組成としたことを特徴とする粘着性フィルムであ
る。また、前記粘着性フィルムを所定の幅、または所定
の形状とした、粘着性テープ、または粘着性ラベルであ
る。
Further, the present invention is an adhesive film characterized in that a printing layer is provided on the surface of the coating layer. Also,
The present invention provides a coating layer comprising the aqueous coating agent,
An adhesive film having a composition containing a water-soluble polymer and a metal alkoxide or a hydrolyzate thereof. Further, the present invention is an adhesive tape or an adhesive label in which the adhesive film has a predetermined width or a predetermined shape.

【0007】[0007]

【発明の実施の形態】本発明の粘着性フィルムは、図1
に示すように、基材1の片面に金属酸化物の蒸着層2が
形成された蒸着フィルム3の、前記蒸着層2に、水性コ
ーティング剤からなる被覆層4を設け、さらに粘着剤層
5を設けた粘着性フィルムである。また、図2に示すよ
うに、図1に示した積層フィルムの、水性コーティング
剤からなる被覆層4の面に印刷層7を設けた、粘着性フ
ィルムである。さらに、図3に示すように、図1に示し
た粘着性フィルムの、水性コーティング剤からなる被覆
層4の面にアンカーコート層8を介して粘着剤層5を設
けた、粘着性フィルムである。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The adhesive film of the present invention is shown in FIG.
As shown in the figure, a coating layer 4 made of an aqueous coating agent is provided on the vapor deposition layer 2 of the vapor deposition film 3 in which a metal oxide vapor deposition layer 2 is formed on one surface of a substrate 1, and a pressure-sensitive adhesive layer 5 It is an adhesive film provided. Further, as shown in FIG. 2, it is an adhesive film in which a printed layer 7 is provided on the surface of the coating layer 4 made of an aqueous coating agent of the laminated film shown in FIG. Further, as shown in FIG. 3, the adhesive film shown in FIG. 1 is provided with an adhesive layer 5 via an anchor coat layer 8 on the surface of a coating layer 4 made of an aqueous coating agent. .

【0008】ここで、基材1は、高分子フィルムが好適
で、ポリエチレン、ポリプロピレン等のポリオレフィ
ン、ポリエチレンテレフタレート等のポリエステル、ナ
イロン、ポリカーボネート、エチレン−ビニルアルコー
ル共重合体、ポリビニルアルコール等が使用できる。
Here, the substrate 1 is preferably a polymer film, and polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate, nylon, polycarbonate, ethylene-vinyl alcohol copolymer, polyvinyl alcohol and the like can be used.

【0009】そして、蒸着層2は、酸化珪素、酸化アル
ミニウム、酸化マグネシウム等の金属酸化物からなり、
前記化合物単体、またはこれらを混合物した組成からな
る。この蒸着層の厚さは、100Å〜2000Åの範
囲、特に100Å〜800Åの範囲が好適である。蒸着
層2に設ける水性コーティング剤からなる被覆層4は、
表面に一定の薄膜を形成する物質であればよく、特に水
溶性高分子、または水溶性高分子と金属アルコキシドあ
るいはその加水分解物を含む組成が好ましい。
The deposition layer 2 is made of a metal oxide such as silicon oxide, aluminum oxide and magnesium oxide.
It is composed of the above compound alone or a mixture thereof. The thickness of the deposited layer is preferably in the range of 100 ° to 2000 °, particularly preferably in the range of 100 ° to 800 °. The coating layer 4 made of an aqueous coating agent provided on the vapor deposition layer 2
Any substance can be used as long as it forms a certain thin film on the surface, and a composition containing a water-soluble polymer or a metal alkoxide or a hydrolyzate thereof is particularly preferable.

【0010】コーティング剤層に含まれる各成分につい
て以下に詳述する。本発明でコーティング剤に用いられ
る水溶性高分子はポリビニルアルコール、ポリビニルピ
ロリドン、デンプン、メチルセルロース、カルボキシメ
チルセルロース、アルギン酸ナトリウムなどが挙げられ
る。特にポリビニルアルコール(PVA)を本発明のガ
スバリア性積層体のコーティング剤に用いた場合にガス
バリア性が最も優れる。ここでいうPVAは、一般にポ
リ酢酸ビニルをけん化して得られるもので、酢酸基が数
十%残存している、いわゆる部分けん化PVAから、酢
酸基が数%しか残存していない完全けん化PVAまでを
含み、特に限定されるものではない。
Each component contained in the coating agent layer will be described in detail below. The water-soluble polymer used for the coating agent in the present invention includes polyvinyl alcohol, polyvinyl pyrrolidone, starch, methyl cellulose, carboxymethyl cellulose, sodium alginate and the like. In particular, when polyvinyl alcohol (PVA) is used as the coating agent for the gas barrier laminate of the present invention, the gas barrier properties are most excellent. The PVA referred to here is generally obtained by saponifying polyvinyl acetate, and ranges from so-called partially saponified PVA in which acetic acid groups remain tens of percent to fully saponified PVA in which only a few percent of acetic acid groups remain. And is not particularly limited.

【0011】また、前記水溶性高分子と共に用いる金属
アルコキシドは、テトラエトキシシラン〔Si(OC2
5 4 〕、トリイソプロポキシアルミニウム〔Al
(O−2’−C3 7 3 〕などの一般式、 M(OR)n (M:Si、Ti、Ai、Zr等の金属、R:CH3
2 5 等のアルキル基)で表せるものである。中で
も、テトラエトキシシラン、トリイソプロポキシアルミ
ニウムが加水分解後、水系の溶媒中において比較的安定
であるので好ましい。
The metal alkoxide used together with the water-soluble polymer is tetraethoxysilane [Si (OC 2
H 5 ) 4 ], triisopropoxy aluminum [Al
(O-2′-C 3 H 7 ) 3 ], M (OR) n (M: metal such as Si, Ti, Ai, Zr, R: CH 3 ,
(An alkyl group such as C 2 H 5 ). Among them, tetraethoxysilane and triisopropoxyaluminum are preferable because they are relatively stable in an aqueous solvent after hydrolysis.

【0012】上述した各成分を単独またはいくつかを組
み合わせてコーティング剤に加えることができ、さらに
コーティング剤のバリア性を損なわない範囲で、イソシ
アネート化合物、シランカップリング剤、あるいは分散
剤、安定化剤、粘度調整剤、着色剤など公知の添加剤を
加えることができる。
Each of the above-mentioned components can be added to the coating agent alone or in a combination of several components. Further, as long as the barrier properties of the coating agent are not impaired, isocyanate compounds, silane coupling agents, dispersants, and stabilizers Known additives such as a viscosity modifier and a colorant can be added.

【0013】例えばコーティング剤に加えられるイソシ
アネート化合物は、その分子中に2個以上のイソシアネ
ート基(NCO基)を有するものであり、例えばトリレ
ンジイソシアネート(TDI)、トリフェニルメタント
リイソシアネート(TTI)、テトラメチルキシレンジ
イソシアネート(TMXDI)などのモノマー類と、こ
れらの重合体、誘導体などがある。
For example, an isocyanate compound to be added to a coating agent has two or more isocyanate groups (NCO groups) in its molecule, such as tolylene diisocyanate (TDI), triphenylmethane triisocyanate (TTI), There are monomers such as tetramethylxylene diisocyanate (TMXDI), and polymers and derivatives thereof.

【0014】コーティング剤の塗布方法には、通常用い
られる、ディッピング法、ロールコーティング法、スク
リーン印刷法、スプレー法など従来公知の手段が用いら
れる。皮膜の厚さはコーティング剤の種類によって異な
るが、乾燥後の厚さが約0.01〜100μmの範囲で
あればよいが、50μm以上では、膜にクラックが生じ
やすくなるため、0.01〜50μmとすることが望ま
しい。
As a method for applying the coating agent, conventionally known means such as a dipping method, a roll coating method, a screen printing method and a spraying method are used. The thickness of the film varies depending on the type of the coating agent, but the thickness after drying may be in the range of about 0.01 to 100 μm. When the thickness is 50 μm or more, cracks are easily generated in the film. It is desirable that the thickness be 50 μm.

【0015】そして、印刷層7は、図2に示すように、
全面、または部分的に設けてもよく、特に、ウレタン基
を有する硬化型のインキが、被覆層4への印刷適性が優
れている。一方、アンカーコート層9は、ウレタン系樹
脂、またはウレタン系樹脂を主成分とした接着剤からな
り、厚さは、0.1g/m2 〜1.5g/m2 (乾燥
時)の範囲が適している。
The printing layer 7 is, as shown in FIG.
It may be provided entirely or partially, and in particular, a curable ink having a urethane group has excellent printability on the coating layer 4. On the other hand, the anchor coat layer 9 is made of a urethane-based resin or an adhesive containing a urethane-based resin as a main component, and has a thickness of 0.1 g / m 2 to 1.5 g / m 2 (when dried). Are suitable.

【0016】粘着剤層5は、ゴム系あるいはアクリル系
の樹脂を主成分とする溶剤型粘着剤、アクリル系樹脂を
主成分とするエマルジョン型粘着剤、またはホットメル
ト型粘着剤のいずれかからなる。また、前記粘着剤にロ
ジン系樹脂、脂肪族系樹脂、芳香族系樹脂、テルペン系
樹脂等の粘着付与剤を添加してもよい。
The pressure-sensitive adhesive layer 5 is made of any one of a solvent-type pressure-sensitive adhesive mainly composed of a rubber or acrylic resin, an emulsion-type pressure-sensitive adhesive mainly composed of an acrylic resin, and a hot-melt type pressure-sensitive adhesive. . Further, a tackifier such as a rosin-based resin, an aliphatic-based resin, an aromatic-based resin, or a terpene-based resin may be added to the pressure-sensitive adhesive.

【0017】そして、前記粘着性フィルムを使用する形
態としては、粘着性フィルムを所定の幅に断才してテー
プ状として用いる、または所定の形状に打抜してラベル
状として用いることができる。
The adhesive film can be used in the form of a tape formed by cutting the adhesive film into a predetermined width or by punching it into a predetermined shape and using it as a label.

【発明の効果】本発明は、以上の構成からなるので、透
明で、ガスバリア性が優れている金属酸化物蒸着層を有
する蒸着フィルムを粘着性フィルムとして使用可能とな
り、内容物を保護し、しかも透視可能とした。また、使
用後に焼却しても塩素ガスの発生の恐れがないので、環
境問題の少ないフィルムを提供可能となった。
According to the present invention having the above constitution, a vapor-deposited film having a metal oxide vapor-deposited layer which is transparent and has excellent gas barrier properties can be used as an adhesive film to protect the contents. It is possible to see through. Further, since there is no possibility of generating chlorine gas even when incinerated after use, a film having less environmental problems can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の粘着性フィルムの一実施例を示す断面
図である。
FIG. 1 is a cross-sectional view showing one embodiment of the adhesive film of the present invention.

【図2】本発明の粘着性フィルムの他の実施例を示す断
面図である。
FIG. 2 is a sectional view showing another embodiment of the adhesive film of the present invention.

【図3】本発明の粘着性フィルムの他の実施例を示す断
面図である。
FIG. 3 is a sectional view showing another embodiment of the adhesive film of the present invention.

【符号の説明】[Explanation of symbols]

1…基材 2…蒸着層 3…蒸着フィルム 4…被覆層 5…粘着剤層 7…印刷層 8…アンカーコート層 DESCRIPTION OF SYMBOLS 1 ... Base material 2 ... Deposition layer 3 ... Deposition film 4 ... Coating layer 5 ... Adhesive layer 7 ... Printing layer 8 ... Anchor coat layer

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】基材に金属酸化物蒸着層を形成した蒸着フ
ィルムの、前記蒸着層に水性コーティング剤からなる被
覆層を設け、この被覆層面に粘着剤層を設けたことを特
徴とする、粘着性フィルム。
1. A vapor-deposited film having a metal oxide vapor-deposited layer formed on a substrate, wherein the vapor-deposited layer is provided with a coating layer made of an aqueous coating agent, and an adhesive layer is provided on the coating layer surface. Adhesive film.
【請求項2】被覆層面にアンカーコーティング層を介し
て粘着剤層を設けたことを特徴とする、請求項1記載の
粘着性フィルム。
2. The pressure-sensitive adhesive film according to claim 1, wherein a pressure-sensitive adhesive layer is provided on the surface of the coating layer via an anchor coating layer.
【請求項3】被覆層面に印刷層を設けた請求項1または
請求項2のいずれかに記載の粘着性フィルム。
3. The pressure-sensitive adhesive film according to claim 1, wherein a printing layer is provided on the surface of the coating layer.
【請求項4】水性コーティング剤からなる被覆層が、水
溶性高分子と金属アルコキシドまたはその加水分解物を
含む組成からなる請求項1に記載の粘着性フィルム。
4. The adhesive film according to claim 1, wherein the coating layer comprising the aqueous coating agent has a composition containing a water-soluble polymer and a metal alkoxide or a hydrolyzate thereof.
【請求項5】請求項1ないし請求項4のいずれかに記載
の粘着性フィルムを所定の幅としたことを特徴とする、
粘着性テープ。
5. The adhesive film according to claim 1, wherein the adhesive film has a predetermined width.
Adhesive tape.
【請求項6】請求項1ないし請求項4のいずれかに記載
の粘着性フィルムを所定の形状としたことを特徴とす
る、粘着性ラベル。
6. An adhesive label, wherein the adhesive film according to claim 1 is formed into a predetermined shape.
JP31026297A 1997-11-12 1997-11-12 Adhesive film Expired - Fee Related JP3482843B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31026297A JP3482843B2 (en) 1997-11-12 1997-11-12 Adhesive film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31026297A JP3482843B2 (en) 1997-11-12 1997-11-12 Adhesive film

Publications (2)

Publication Number Publication Date
JPH11138684A true JPH11138684A (en) 1999-05-25
JP3482843B2 JP3482843B2 (en) 2004-01-06

Family

ID=18003137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31026297A Expired - Fee Related JP3482843B2 (en) 1997-11-12 1997-11-12 Adhesive film

Country Status (1)

Country Link
JP (1) JP3482843B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006089537A (en) * 2004-09-21 2006-04-06 Sekisui Chem Co Ltd Pressure-sensitive adhesive tape for liquid crystal panel fixation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006089537A (en) * 2004-09-21 2006-04-06 Sekisui Chem Co Ltd Pressure-sensitive adhesive tape for liquid crystal panel fixation

Also Published As

Publication number Publication date
JP3482843B2 (en) 2004-01-06

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