JP2001115110A - Pressure-sensitive adhesive tape - Google Patents
Pressure-sensitive adhesive tapeInfo
- Publication number
- JP2001115110A JP2001115110A JP29900899A JP29900899A JP2001115110A JP 2001115110 A JP2001115110 A JP 2001115110A JP 29900899 A JP29900899 A JP 29900899A JP 29900899 A JP29900899 A JP 29900899A JP 2001115110 A JP2001115110 A JP 2001115110A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sensitive adhesive
- adhesive tape
- film
- adhesive 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.)
- Granted
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、粘着テープの技術
分野にかかり、特に、結束対象物を結束するのに適した
粘着テープに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the technical field of pressure-sensitive adhesive tapes, and more particularly, to a pressure-sensitive adhesive tape suitable for binding objects to be bound.
【０００２】[0002]
【従来の技術】従来より、基体フィルムと、その表面に
粘着層が形成された粘着テープは広く用いられている。
近年では、環境保全の見地から、基体フィルムや粘着剤
に生分解性を有する物質を用い、廃棄後は、微生物によ
って自然に分解される粘着テープが盛んに開発されてい
る。2. Description of the Related Art Conventionally, a base film and an adhesive tape having an adhesive layer formed on its surface have been widely used.
In recent years, from the viewpoint of environmental protection, pressure-sensitive adhesive tapes that use biodegradable substances for base films and pressure-sensitive adhesives and that are naturally degraded by microorganisms after disposal have been actively developed.
【０００３】それらのうち、粘着層原料としての天然ゴ
ムは、適度な付着能力や柔軟性を有し、生分解性も高い
ことから広く用いられている。[0003] Among them, natural rubber as a raw material for an adhesive layer is widely used because it has an appropriate adhesion ability and flexibility and has high biodegradability.
【０００４】他方、天然ゴム単独では粘着剤としての接
着性が低いことから、それらの欠点を改良するために、
ロジン類、石油樹脂、クマロン・インデン樹脂などの接
着付与樹脂が広く用いられている。[0004] On the other hand, natural rubber alone has low adhesiveness as a pressure-sensitive adhesive.
Adhesion-imparting resins such as rosins, petroleum resins, and coumarone-indene resins are widely used.
【０００５】しかしながら、天然ゴムでは、これらの接
着付与樹脂を添加するとステンレス等の他の物質への接
着力は向上するものの、自己接着性を向上させることは
困難である。従って、粘着テープを結束対象物に巻き回
し、端部の粘着材同士を貼り合わせる場合、結束が解け
やすい反面、結束対象物に対する粘着力は強くなりすぎ
るという問題がある。However, in the case of natural rubber, the addition of these adhesion-imparting resins improves the adhesion to other substances such as stainless steel, but it is difficult to improve the self-adhesion. Therefore, when the adhesive tape is wound around the object to be bound and the adhesives at the ends are bonded together, there is a problem that the binding is easily released, but the adhesive force to the object to be bound becomes too strong.
【０００６】[0006]
【発明が解決しようとする課題】本発明は上記従来技術
の不都合を解決するために創作されたものであり、その
目的は、結束に適した粘着テープを提供することにあ
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned disadvantages of the prior art, and an object thereof is to provide an adhesive tape suitable for binding.
【０００７】[0007]
【課題を解決するための手段】本発明の発明者等は、天
然ゴムの粘着層原料に紫外線重合反応開始剤を添加し、
形成した粘着層同士を貼り合わせ、紫外線を照射すると
粘着層同士が強固に接着されることを見出した。また、
基体フィルムであるポリ乳酸フィルムやビオノーレフィ
ルム等の生分解性を有するフィルムを、綿布やバフ等の
摩擦手段で擦った後、その表面に粘着層を形成すると、
フィルムと粘着層間の接着力(剥離強度)が向上すること
を見出した。このような摩擦処理は、一般には、液晶の
配向を制御する際のラビング処理として知られている
が、液晶を配向させるためには、同一方向に擦らなけれ
ばならないのに対し、本発明の場合は、そのような方向
性は不要であった。Means for Solving the Problems The present inventors have added an ultraviolet polymerization initiator to the raw material of the adhesive layer of natural rubber,
It has been found that when the formed adhesive layers are bonded to each other and irradiated with ultraviolet rays, the adhesive layers are firmly adhered to each other. Also,
After rubbing a biodegradable film such as a polylactic acid film or a Bionole film, which is a base film, with a friction means such as a cotton cloth or a buff, and forming an adhesive layer on the surface thereof,
It has been found that the adhesive strength (peel strength) between the film and the adhesive layer is improved. Such a friction treatment is generally known as a rubbing treatment for controlling the alignment of the liquid crystal, but in order to align the liquid crystal, it is necessary to rub in the same direction, whereas in the case of the present invention. Did not need such a direction.
【０００８】本発明は上記知見に基づいて創作されたも
のであり、請求項１記載の発明は、生分解性を有する基
体フィルムと、紫外線重合反応開始剤が添加され、前記
基体フィルム上に形成された粘着層とを有する粘着テー
プであって、前記基体フィルム表面は、摩擦手段によっ
て摩擦処理された後、該摩擦処理された表面に前記粘着
層が形成されたことを特徴とする。請求項２の発明は請
求項１記載の粘着テープであって、前記粘着層はイソプ
レンを主成分とすることを特徴とする。請求項３記載の
発明は、請求項１又は請求項２のいずれか１項記載の粘
着テープであって、前記基体フィルムはポリ乳酸フィル
ムを有し、該ポリ乳酸フィルム表面が前記摩擦処理され
たことを特徴とする。請求項４記載の発明は、請求項１
又は請求項２のいずれか１項記載の粘着テープであっ
て、前記基体フィルムはビオノーレフィルムを有し、該
ビオノーレフィルム表面が前記摩擦処理されたことを特
徴とする。請求項５記載の発明は、請求項１乃至請求項
４のいずれか１項記載の粘着テープであって、前記粘着
層に含まれる粘着成分は、前記基体フィルムの生分解性
を阻害しない粘着剤を主成分とすることを特徴とする。
請求項６記載の発明は、請求項５記載の粘着テープであ
って、前記粘着剤は、天然ゴムであることを特徴とす
る。請求項７記載の発明は、請求項１乃至請求項６いず
れか１項記載の粘着テープであって、前記粘着層が結束
対象物に巻回され、端部の前記粘着層同士が貼り合わせ
られた後、該貼り合わせられた箇所に紫外線が照射され
たことを特徴とする。[0008] The present invention has been made based on the above findings, and the invention according to claim 1 is characterized in that a biodegradable base film and an ultraviolet polymerization reaction initiator are added to form the base film on the base film. An adhesive tape having an adhesive layer provided thereon, wherein the surface of the base film is subjected to friction treatment by friction means, and then the adhesive layer is formed on the surface subjected to the friction treatment. The invention according to claim 2 is the pressure-sensitive adhesive tape according to claim 1, wherein the pressure-sensitive adhesive layer is mainly composed of isoprene. The invention according to claim 3 is the pressure-sensitive adhesive tape according to any one of claims 1 or 2, wherein the base film has a polylactic acid film, and the surface of the polylactic acid film is subjected to the friction treatment. It is characterized by the following. The invention according to claim 4 is the invention according to claim 1.
Alternatively, the pressure-sensitive adhesive tape according to claim 2, wherein the base film has a bionole film, and the surface of the bionole film has been subjected to the friction treatment. The invention according to claim 5 is the pressure-sensitive adhesive tape according to any one of claims 1 to 4, wherein the pressure-sensitive adhesive component contained in the pressure-sensitive adhesive layer does not inhibit the biodegradability of the base film. As a main component.
The invention according to claim 6 is the pressure-sensitive adhesive tape according to claim 5, wherein the pressure-sensitive adhesive is natural rubber. The invention according to claim 7 is the pressure-sensitive adhesive tape according to any one of claims 1 to 6, wherein the pressure-sensitive adhesive layer is wound around an object to be bound, and the pressure-sensitive adhesive layers at end portions are bonded to each other. After that, the bonded portion is irradiated with ultraviolet rays.
【０００９】本発明は上記のように構成されており、ポ
リ乳酸フィルムやビオノーレフィルム等の生分解性のフ
ィルムを基体フィルムとし、基体フィルム上に紫外線重
合反応開始材が添加された粘着層が形成された粘着テー
プである。その粘着層は、基体フィルム表面を摩擦手段
で所望回数摩擦した後、直接塗布・乾燥によって形成さ
れる。The present invention is constituted as described above, wherein a biodegradable film such as a polylactic acid film or a Bionole film is used as a base film, and an adhesive layer to which an ultraviolet polymerization reaction initiator is added is provided on the base film. It is the formed adhesive tape. The adhesive layer is formed by directly applying and drying after rubbing the base film surface a desired number of times with a friction means.
【００１０】この摩擦処理により、基体フィルムと粘着
層との間の接着力が向上し、紫外線重合反応開始剤の添
加により、粘着層同士を接着させた状態で重合させ、接
着力を向上させることができる。[0010] By this friction treatment, the adhesive strength between the base film and the adhesive layer is improved, and by the addition of an ultraviolet polymerization reaction initiator, the adhesive layers are polymerized in a bonded state to improve the adhesive strength. Can be.
【００１１】なお、摩擦処理による基体フィルムと粘着
層の間の接着力の工場は、生分解性のフィルムにだけ現
れるのではなく、ポリエステルフィルムやポリイミドフ
ィルム等の樹脂フィルムを基体フィルムとした場合にも
得られる。このような樹脂フィルム表面に本発明のよう
なゴム系の粘着層を形成する場合、摩擦処理は特に有効
である。The factory of the adhesive force between the base film and the pressure-sensitive adhesive layer due to the friction treatment not only appears on the biodegradable film but also when a resin film such as a polyester film or a polyimide film is used as the base film. Is also obtained. When a rubber-based adhesive layer as in the present invention is formed on the surface of such a resin film, the friction treatment is particularly effective.
【００１２】[0012]
【発明の実施の形態】本発明の粘着テープをその製造方
法と共に説明する。図１を参照し、ポリ乳酸フィルム
(島津製作所(株)製商品名ラクティを二軸延伸したフィ
ルム)を巻き取った繰り出しロール３と、ロール本体表
面に綿布等の柔軟性を有する摩擦布が設けられた摩擦手
段７とを用意し、繰り出しロール３からポリ乳酸フィル
ムを基体フィルム９として引き出し、摩擦手段７に掛け
渡し、基体フィルム９の進行方向とは逆向きに該摩擦手
段７を回転させ、基体フィルム９表面を乾燥雰囲気(常
温、常圧、大気中)中で摩擦しながら、巻き取りロール
４によって巻き取る。DESCRIPTION OF THE PREFERRED EMBODIMENTS The pressure-sensitive adhesive tape of the present invention will be described together with a method for producing the same. Referring to FIG. 1, a polylactic acid film
A pay-out roll 3 on which a film (trade name: Lacti manufactured by Shimadzu Corporation) is biaxially stretched and a friction means 7 provided with a flexible friction cloth such as a cotton cloth on the roll body surface are prepared. Then, the polylactic acid film is pulled out from the feeding roll 3 as the base film 9 and is wound over the friction means 7, and the friction means 7 is rotated in a direction opposite to the traveling direction of the base film 9, so that the surface of the base film 9 is dried in a dry atmosphere (normal temperature). The film is taken up by the take-up roll 4 while rubbing in normal pressure, in the atmosphere.
【００１３】次に、天然ゴムをトルエン中に適量溶解
し、これに天然ゴム１００重量部に対し、紫外線重合反
応開始剤であるイルカギュア（チバ社製）を０．０１重
量部溶解させ、粘着層原料液を作成し、摩擦処理がされ
た基体フィルム９を巻き取りロール４から繰り出し、上
記粘着層原料液が貯留された粘着層形成装置内を移動さ
せ、基体フィルム９の摩擦処理された表面に、乾燥後の
厚みが１０μｍになるよう塗布する。次いで、乾燥する
と、本発明の一例の粘着テープが得られる。Next, an appropriate amount of natural rubber is dissolved in toluene, and 0.01 parts by weight of irkaguar (manufactured by Ciba), which is an ultraviolet polymerization initiator, is dissolved in 100 parts by weight of natural rubber. A raw material liquid is prepared, the friction-treated base film 9 is unwound from the take-up roll 4 and moved in the pressure-sensitive adhesive layer forming apparatus in which the above-mentioned pressure-sensitive adhesive layer raw material liquid is stored. , And apply it so that the thickness after drying becomes 10 μm. Then, when dried, an adhesive tape of one example of the present invention is obtained.
【００１４】図２(ａ)の符号１０は、その粘着テープを
示しており、基体フィルム９表面に粘着層１１が形成さ
れている。Reference numeral 10 in FIG. 2A indicates the adhesive tape, and an adhesive layer 11 is formed on the surface of the base film 9.
【００１５】図２(ｂ)の符号１５1〜１５3は、野菜など
の結束対象物であり、上記粘着テープ１０が適当な長さ
に切り取られ、粘着層１１を結束対象物１５1〜１５3に
貼付された状態で結束対象物１５1〜１５3を縛り付けて
いる。[0015] Reference numeral 15 1-15 3 in FIG. 2 (b) is a bundling object such as vegetables, the adhesive tape 10 is cut to length, the adhesive layer 11 a bundling object 15 1-15 and it tied the unity object 15 1-15 3 stuck state to 3.
【００１６】粘着テープ１０の両端部分１９は、粘着層
１１同士が貼付された状態で紫外線が照射され、重合さ
れている。従って、この状態では、粘着テープ１０の両
端部分１９は強固に接着されており、結束が解けないよ
うになっている。Both end portions 19 of the adhesive tape 10 are irradiated with ultraviolet rays while the adhesive layers 11 are adhered to each other, and are polymerized. Therefore, in this state, both end portions 19 of the adhesive tape 10 are firmly adhered, so that the binding is not loosened.
【００１７】他方、結束対象物１５1〜１５3を取り出す
場合、粘着テープ１０の適当なところを切断すると、粘
着層１１表面の粘着力は弱いため、結束対象物１５1〜
１５3表面に傷を付けずに引き剥がすことができる。こ
のとき、摩擦処理により、基体フィルム９と粘着層１１
との間の接着力は向上しているので、粘着層１１が結束
対象物１５1〜１５3表面に残渣となって残ることはな
い。[0017] On the other hand, when taking out the bundling object 15 1-15 3, when cutting the appropriate place of the adhesive tape 10, the adhesive strength of the adhesive layer 11 surface weak, bundling the object 15 1 -
It can be peeled off without scratching the 15 3 surface. At this time, the base film 9 and the adhesive layer 11 are
Since adhesion between the is improved and, never adhesive layer 11 remains with the residue to the binding object 15 1-15 3 surface.
【００１８】また、剥離後の粘着テープ１０は、微生物
によって分解されるので、廃棄が容易であり、環境を破
壊することもない。Further, since the adhesive tape 10 after peeling is decomposed by microorganisms, it is easy to dispose and does not destroy the environment.
【００１９】本発明の粘着テープ１０の粘着層１１同士
を貼り合わせた後、貼り合わせ部分に紫外線を照射した
ものの、接着力を測定した。測定結果を下記表１に示
す。接着力は２０００ｇ／２ｃｍであった。After bonding the pressure-sensitive adhesive layers 11 of the pressure-sensitive adhesive tape 10 of the present invention to each other, the bonded portions were irradiated with ultraviolet rays, but the adhesive strength was measured. The measurement results are shown in Table 1 below. The adhesion was 2000 g / 2 cm.
【００２０】[0020]
【表１】 [Table 1]
【００２１】表１中の比較例１は、本発明の粘着テープ
１０同士を貼り合わせた後、紫外線照射を行わずに測定
した接着強度であり、比較例２は、粘着層原料液に紫外
線重合反応剤を添加せずに、基体フィルム９の摩擦処理
面に粘着層を形成した粘着テープの接着力である。ま
た、比較例３は、本発明の粘着テープ１０に紫外線を照
射した後、粘着層１１同士を貼り合わせたものの接着強
度である。Comparative Example 1 in Table 1 shows the adhesive strength measured without applying ultraviolet light after bonding the adhesive tapes 10 of the present invention to each other. This is the adhesive strength of an adhesive tape having an adhesive layer formed on the friction-treated surface of the base film 9 without adding a reactant. Comparative Example 3 shows the adhesive strength of the adhesive tape 10 of the present invention obtained by irradiating the adhesive tape 10 with ultraviolet rays and then bonding the adhesive layers 11 together.
【００２２】本発明の粘着テープ１０は、粘着層１１同
士を貼り合わせた後、紫外線を照射すると、接着力が向
上することが分かる。これは、紫外線の照射により、粘
着層の天然ゴム成分であるポリイソプレンが共重合した
結果、粘着層１１の界面の接着力が向上した結果であ
る。It can be seen that the adhesive tape 10 of the present invention has an improved adhesive strength when irradiated with ultraviolet light after the adhesive layers 11 are bonded together. This is because polyisoprene, which is a natural rubber component of the pressure-sensitive adhesive layer, was copolymerized by irradiation with ultraviolet light, and as a result, the adhesive force at the interface of the pressure-sensitive adhesive layer 11 was improved.
【００２３】なお、基体フィルム９表面摩擦手段７で摩
擦せずに粘着層を形成した場合には、接着強度は３０ｇ
／２ｃｍであり(紫外線を照射しなかった場合)、剥離箇
所は、基体フィルムと接着層の界面となる。このよう
に、摩擦処理をしないと、粘着テープ１０を引き剥がし
た場合に、結束対象物１５1〜１５3側に粘着層が残って
しまう。When the adhesive layer is formed without rubbing by the surface friction means 7 on the base film 9, the adhesive strength is 30 g.
/ 2 cm (when not irradiated with ultraviolet rays), and the peeled portion is the interface between the base film and the adhesive layer. Thus, unless the friction process, when peeled off the adhesive tape 10, leaves a sticky layer on the bundling object 15 1-15 3 side.
【００２４】本発明の粘着テープの基体フィルム９に
は、ポリ乳酸フィルムの他、生分解性を有し、表面を摩
擦処理したフィルムを広く用いることができる。ポリ乳
酸フィルム以外の生分解性フィルムとしては、例えばビ
オノーレフィルムがある。As the base film 9 of the pressure-sensitive adhesive tape of the present invention, in addition to a polylactic acid film, a biodegradable film having a surface subjected to friction treatment can be widely used. As a biodegradable film other than the polylactic acid film, for example, there is a bionole film.
【００２５】ビオノーレは、１，４−ブタンジオールの
ようなグリコールと、コハク酸やアジピン酸のような脂
肪族ジカルボン酸の重縮合反応によって得られる高分子
量の脂肪族ポリエステルであり、生分解性を有してい
る。その分子構造は次の化学式で表される。Bionore is a high molecular weight aliphatic polyester obtained by a polycondensation reaction of a glycol such as 1,4-butanediol with an aliphatic dicarboxylic acid such as succinic acid or adipic acid. Have. Its molecular structure is represented by the following chemical formula.
【００２６】[0026]
【化１】 Embedded image
【００２７】ビオノーレフィルムは上記化学式のｍとｎ
の組合せにより、ポリブチレンサクシネート(ＰＢＳ)と
ポリブチレンサクシネート・アジペート(ＰＢＳＡ)の二
種類に分類される。The bionole film is represented by the above formulas m and n.
Are classified into two types, polybutylene succinate (PBS) and polybutylene succinate adipate (PBSA).
【００２８】ビオノーレフィルム(ＰＢＳとＰＢＳＡ)の
物性を汎用樹脂と比較して下記表に示す。The physical properties of the bionore films (PBS and PBSA) are shown in the following table in comparison with general-purpose resins.
【００２９】[0029]
【表２】 [Table 2]
【００３０】上記表２から分かるように、ビオノーレは
引張り伸びが大きく、粘り強く柔らかである。従って、
柔軟性が求められる絞り加工用のプロテクトテープに特
に適している。As can be seen from Table 2 above, the bionole has a large tensile elongation and is tenacious and soft. Therefore,
It is particularly suitable for draw protection tapes that require flexibility.
【００３１】また、本発明の粘着テープ１０は、集積回
路等の半導体装置の運搬用のフィルムケースにも用いる
ことができる。この場合、半導体装置を粘着テープ１０
間に封入した後、粘着テープ１０を貼り合わせている部
分に紫外線を照射し、フィルムケースを構成することが
できる。The adhesive tape 10 of the present invention can also be used for a film case for transporting semiconductor devices such as integrated circuits. In this case, the semiconductor device is attached to the adhesive tape 10.
After enclosing the space, the portion where the adhesive tape 10 is attached is irradiated with ultraviolet rays to form a film case.
【００３２】なお、本発明の基体フィルム１０は、ポリ
乳酸フィルム又はビオノーレフィルムのいずれか一方だ
けではなく、これらを積層させて基体フィルム１０を構
成させたり、他の樹脂フィルムと積層して基体フィルム
１０として用いることができる。生分解性を有する二種
類以上のフィルムを積層させることが好ましい。The base film 10 of the present invention is not limited to either a polylactic acid film or a bionole film, but may be formed by laminating these films to form the base film 10, or by laminating with another resin film. It can be used as the film 10. It is preferable to laminate two or more types of films having biodegradability.
【００３３】この場合、粘着層１１には、天然ゴム等の
生分解性を有する接着成分を用いると、全体が生分解性
を有する粘着テープを得ることができる。In this case, if a biodegradable adhesive component such as natural rubber is used for the adhesive layer 11, an adhesive tape having biodegradability as a whole can be obtained.
【００３４】また、上記実施例では、イソプレンを主成
分とした天然ゴムであったが、ブチレンゴムを主成分と
するゴム材料に、紫外線重合反応開始剤を添加して粘着
層を形成してもよい。Further, in the above embodiment, the natural rubber mainly containing isoprene was used. However, the adhesive layer may be formed by adding an ultraviolet polymerization reaction initiator to a rubber material mainly containing butylene rubber. .
【００３５】更に、粘着層を不透明化するために、着色
剤を添加したり、充填剤を添加することもできる。この
場合の添加剤としては、粘着層の生分解性を阻害しない
ものが好ましい。Further, in order to make the adhesive layer opaque, a coloring agent or a filler may be added. In this case, it is preferable that the additive does not inhibit the biodegradability of the adhesive layer.
【００３６】[0036]
【発明の効果】粘着テープの被着材への接着力を変えず
に自己接着力のみを高めることができる。従って、本発
明の粘着テープを結束テープとして使用した場合には、
結束対象物の表面を傷つけずに、強く結束することがで
きる。また、本発明の粘着テープは生分解性を有してい
るから、青果店等においては、粘着テープを野菜くずと
いっしょに処理することができる。According to the present invention, only the self-adhesive force can be increased without changing the adhesive force of the adhesive tape to the adherend. Therefore, when the adhesive tape of the present invention is used as a binding tape,
The binding object can be strongly bound without damaging the surface of the binding object. Further, since the pressure-sensitive adhesive tape of the present invention has biodegradability, it can be processed together with vegetable waste in a vegetable store or the like.
【図１】本発明の粘着テープの製造工程を説明するため
の図FIG. 1 is a view for explaining a production process of an adhesive tape of the present invention.
【図２】(ａ)：本発明の粘着テープの一例 (ｂ)：本
発明の粘着テープで結束対象物を結束した状態を示す図FIG. 2A shows an example of the pressure-sensitive adhesive tape of the present invention. FIG.
９……基体フィルム １０……粘着テープ １１……粘着層 １５1〜１５3……結束対象物9 ...... base film 10 ...... adhesive tape 11 ...... adhesive layer 15 1-15 3 ...... bundling objects
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4F100 AK01A AK28B AK28K AK41A AN01B AR00B BA02 CA30B EJ34A EJ54 GB15 GB43 JB14B JB14H JC00A JL00 JL13B 4J004 AA04 AA05 AA07 AB07 CA06 CC02 CD07 EA01 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4F100 AK01A AK28B AK28K AK41A AN01B AR00B BA02 CA30B EJ34A EJ54 GB15 GB43 JB14B JB14H JC00A JL00 JL13B 4J004 AA04 AA05 AA07 AB07 CA06 CC02 CD07 EA01
Claims (7)
に形成された粘着層とを有する粘着テープであって、前
記基体フィルム表面は、摩擦手段によって摩擦処理され
た後、該摩擦処理された表面に前記粘着層が形成された
ことを特徴とする粘着テープ。1. An adhesive tape comprising a biodegradable base film and an adhesive layer formed on said base film, to which an ultraviolet polymerization reaction initiator is added, wherein said base film surface has friction means The pressure-sensitive adhesive tape, wherein the pressure-sensitive adhesive layer is formed on the surface subjected to the frictional treatment after the frictional treatment.
とを特徴とする請求項１記載の粘着テープ。2. The pressure-sensitive adhesive tape according to claim 1, wherein the pressure-sensitive adhesive layer contains isoprene as a main component.
し、該ポリ乳酸フィルム表面が摩擦処理されたことを特
徴とする請求項１又は請求項２のいずれか１項記載の粘
着テープ。3. The pressure-sensitive adhesive tape according to claim 1, wherein the base film has a polylactic acid film, and the surface of the polylactic acid film is subjected to a friction treatment.
有し、該ビオノーレフィルム表面が前記摩擦処理された
ことを特徴とする請求項１または請求項２のいずれか１
項記載の粘着テープ。4. The method according to claim 1, wherein the base film has a bionole film, and the surface of the bionole film has been subjected to the friction treatment.
The adhesive tape according to the item.
体フィルムの生分解性を阻害しない粘着剤を主成分とす
ることを特徴とする請求項１乃至請求項４のいずれか１
項記載の粘着テープ。5. The pressure-sensitive adhesive component contained in the pressure-sensitive adhesive layer is mainly composed of a pressure-sensitive adhesive that does not inhibit the biodegradability of the base film.
The adhesive tape according to the item.
とする請求項２記載の粘着テープ。6. The pressure-sensitive adhesive tape according to claim 2, wherein said pressure-sensitive adhesive is natural rubber.
の前記粘着層同士が貼り合わせられた後、該貼り合わせ
られた箇所に紫外線が照射されたことを特徴とする請求
項１乃至請求項６いずれか１項記載の粘着テープ。7. The adhesive layer is wound around an object to be bound, and after the adhesive layers at the ends are bonded to each other, ultraviolet light is applied to the bonded portion. The pressure-sensitive adhesive tape according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29900899A JP4486726B2 (en) | 1999-10-21 | 1999-10-21 | Adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29900899A JP4486726B2 (en) | 1999-10-21 | 1999-10-21 | Adhesive tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001115110A true JP2001115110A (en) | 2001-04-24 |
| JP4486726B2 JP4486726B2 (en) | 2010-06-23 |
Family
ID=17867047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29900899A Expired - Fee Related JP4486726B2 (en) | 1999-10-21 | 1999-10-21 | Adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4486726B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06191550A (en) * | 1992-12-25 | 1994-07-12 | Mitsui Toatsu Chem Inc | Decomposable autoadhesion tape for bundling vegetable |
| JPH0881579A (en) * | 1994-07-13 | 1996-03-26 | Sekisui Chem Co Ltd | Production of olefin resin foamed sheet excellent in surface wettability |
| JPH09125016A (en) * | 1995-10-27 | 1997-05-13 | Sunstar Inc | Biodegradable tacky tape |
| JP3713400B2 (en) * | 1998-04-14 | 2005-11-09 | ソニーケミカル株式会社 | Adhesive tape and method for producing adhesive tape |
-
1999
- 1999-10-21 JP JP29900899A patent/JP4486726B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06191550A (en) * | 1992-12-25 | 1994-07-12 | Mitsui Toatsu Chem Inc | Decomposable autoadhesion tape for bundling vegetable |
| JPH0881579A (en) * | 1994-07-13 | 1996-03-26 | Sekisui Chem Co Ltd | Production of olefin resin foamed sheet excellent in surface wettability |
| JPH09125016A (en) * | 1995-10-27 | 1997-05-13 | Sunstar Inc | Biodegradable tacky tape |
| JP3713400B2 (en) * | 1998-04-14 | 2005-11-09 | ソニーケミカル株式会社 | Adhesive tape and method for producing adhesive tape |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4486726B2 (en) | 2010-06-23 |
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