JP4505580B2 - Adhesive layer transfer tape transfer tool - Google Patents
Adhesive layer transfer tape transfer tool Download PDFInfo
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- JP4505580B2 JP4505580B2 JP2004365349A JP2004365349A JP4505580B2 JP 4505580 B2 JP4505580 B2 JP 4505580B2 JP 2004365349 A JP2004365349 A JP 2004365349A JP 2004365349 A JP2004365349 A JP 2004365349A JP 4505580 B2 JP4505580 B2 JP 4505580B2
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Images
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- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
本発明は、手持ち型の転写テープ用転写具によって紙面などに押しつけられることにより粘着層が紙面などの被転写体に転写されて、当該被転写体と他の物品を糊付けすることができる粘着層転写テープに関する。
The present invention relates to an adhesive layer in which an adhesive layer is transferred to a transfer material such as a paper surface by being pressed against the paper surface or the like by a hand-held transfer tape transfer tool, and the transfer object can be glued to another article. Related to transfer tape.
近年、取り扱いの容易さから両面接着テープやスティック糊に替わって粘着層転写テープが注目を集めている。 In recent years, adhesive layer transfer tape has attracted attention in place of double-sided adhesive tape and stick glue because of its ease of handling.
この種の粘着層転写テープとしては、有機高分子フィルムや紙などの基材の片面に粘着層を設けた構造のものが知られている。この粘着層転写テープは手持ち型の転写具に装着して使用されている。 As this type of adhesive layer transfer tape, one having a structure in which an adhesive layer is provided on one side of a substrate such as an organic polymer film or paper is known. This adhesive layer transfer tape is used by being attached to a hand-held transfer tool.
図１は従来の粘着層転写テープを装着した手持ち型の転写具の１例を示す概略図である。１は転写式粘着テープであり、基材２上に粘着層３を設けたものである。転写具の主要構成要素は、粘着層転写テープ１を巻き回した供給リール１０と、基材２の巻き取りリール１１と、粘着層転写テープ１を紙などの被転写体１３に押圧し、粘着層３を転写するための、クサビ形状や円筒形状のヘッド１２とからなる。なお図１においては、供給リール１０、巻き取りリール１１を駆動するためのギヤ機構、供給リール１０、巻き取りリール１１をセットして転写具に装着するためのカートリッジ、ケース本体などは省略されている。
FIG. 1 is a schematic view showing an example of a hand-held transfer tool equipped with a conventional adhesive layer transfer tape. Reference numeral 1 denotes a transfer-type adhesive tape, in which an
転写具を矢印Ａの方向に被転写体１３上を移動させると、粘着層転写テープ１が引き出されヘッド１２で押圧されることにより、粘着層３が基材２より剥離されるとともに被転写体１３上に接着されていく。一方、粘着層３と分離した基材２は巻き取りリール１１に巻き取られる。粘着層３の所定長が転写された後、転写具を被転写体１３の表面から引き上げ、粘着層３を切断することによって、転写作業が終了する。
When the transfer tool is moved on the
しかしながら、従来の粘着層転写テープにおいては、粘着層のキレ性が悪く、粘着層３の転写が終了した後、転写具を被転写体１３の表面から引き上げた際に、図２に示されるように、粘着層３が切断されずに、被転写体１３の表面に転写された粘着層３と、転写具１４の側の粘着層３との間で粘着剤が糸４を引く現象（以下、糸引き現象という）が発生し、転写作業に支障を来す場合があった。
However, in the conventional adhesive layer transfer tape, the sharpness of the adhesive layer is poor, and when the transfer tool is lifted from the surface of the
従来においては、粘着層のキレ性を向上させて糸引き現象を防止するために、アクリレートベースの粘着剤にアルギン酸を分散させたり（特許文献１）、あるいは粘着剤を架橋させることが提案されている。また、粘着層にシリカを添加すること（特許文献２）や、粘着層に針状粒子を添加すること（特許文献３）が提案されている。 Conventionally, it has been proposed to disperse alginic acid in an acrylate-based pressure-sensitive adhesive or to crosslink the pressure-sensitive adhesive in order to improve the sharpness of the pressure-sensitive adhesive layer and prevent the stringing phenomenon. Yes. Further, it has been proposed to add silica to the adhesive layer (Patent Document 2) and to add needle-like particles to the adhesive layer (Patent Document 3).
しかしながら、本発明者らが検討したところでは、これら従来技術では、糸引き現象を必ずしも充分に防止できず、さらなる改善が望まれている。 However, as a result of studies by the present inventors, these conventional techniques cannot sufficiently prevent the yarn drawing phenomenon, and further improvements are desired.
国内の市販の粘着層転写テープ用転写具のテープの幅は、いずれも１０ｍｍ幅以下のものである。これらの転写具の用途は、主に文具用途である。つまり封筒を封緘したり、記録紙を被転写体に貼り付けしたりする等に使われるものであった。このようにテープの幅が狭いため、ポスターを掲示板に貼り付けたりとか、トイレ表示板、非常口案内板、エレベータ案内板、危険表示板等の銘板を壁等に貼り付けたい場合は、使用できないものであった。仮に従来の粘着層転写テープのテープ幅をポスター貼り用に５０ｍｍ幅でスリットし、手持ち型の転写具に組み込んだものを用意しても、粘着層のキレは、文具用の１０ｍｍ幅以下のものに比べ同じ粘着層であっても極端に悪くなり到底使えるものにはならなかった。この理由は、５０ｍｍ幅のものは、粘着層の断面積が大きくなる分、粘着層の伸び％が大きくなるためである。 The width of the tape of the domestic commercially available adhesive layer transfer tape transfer tool is 10 mm or less. These transfer tools are mainly used for stationery. In other words, it has been used for sealing envelopes, attaching recording paper to a transfer medium, and the like. Because the tape is so narrow, it cannot be used if you want to stick posters on bulletin boards, or if you want to stick nameplates such as toilet display boards, emergency exit guide boards, elevator guide boards, danger display boards, etc. Met. Even if the tape of the conventional adhesive layer transfer tape is slit to 50mm for pasting a poster and it is incorporated into a hand-held transfer tool, the adhesive layer has a sharpness of 10mm or less for stationery. Compared to the same adhesive layer, it became extremely bad and could not be used at all. The reason for this is that, when the width of the adhesive layer is 50 mm, the elongation percentage of the adhesive layer increases as the cross-sectional area of the adhesive layer increases.
さらに、前記の粘着層の厚みは、１５〜２０μｍの範囲のものであるが、この程度の厚みでは、銘板やポスター貼りには、粘着力不足になる。粘着力を上げる方法の１つには、粘着層の厚みを３０〜１００μｍの範囲に上げる方法がある。粘着層の厚みを上げることは、テープの幅を広くすると同じように、粘着層の断面積を大きくすることになる。このことによっても、ますます粘着層のキレは悪くなる。 Furthermore, although the thickness of the said adhesion layer is a thing of the range of 15-20 micrometers, with such a thickness, adhesiveness is insufficient for nameplate and poster sticking. One method for increasing the adhesive strength is to increase the thickness of the adhesive layer to a range of 30 to 100 μm. Increasing the thickness of the adhesive layer increases the cross-sectional area of the adhesive layer in the same manner as increasing the width of the tape. This also worsens the adhesion layer's sharpness.
このように従来の粘着層転写テープを単に広い幅にスリットして、転写具に組み込んでも、粘着層のキレは、思いもよらないほど悪くなり、到底実用できるものにはならなかった。 As described above, even when the conventional adhesive layer transfer tape is simply slit into a wide width and incorporated in a transfer tool, the sharpness of the adhesive layer is unexpectedly deteriorated and cannot be practically used.
本発明は、上記実情に鑑みて、従来の粘着層転写テープのキレに対して、粘着層のキレを格段に向上した粘着層転写テープを提供することを課題とする。 In view of the above circumstances, an object of the present invention is to provide a pressure-sensitive adhesive layer transfer tape in which the sharpness of the pressure-sensitive adhesive layer is remarkably improved as compared with that of the conventional pressure-sensitive adhesive layer transfer tape.
さらに、銘板等を壁に貼り付けたい場合、従来は、粘着層転写テープや接着剤を用いていた。例えば、粘着層転写テープを使う場合は、銘板に対して、粘着層転写テープを長さ方向に貼っては、はさみ等でカットする、を繰り返して全面に貼った後、離型紙を剥がして壁に貼ることをしていた。しかし、広幅（例えば、１１〜５０ｍｍ幅のテープ幅）の粘着層転写テープ用転写具があれば、銘板の全面に対して、転写具を長さ方向に対して押さえながらなぞって粘着層を転写すればすむことであり、テープをカットする必要もなく、離型紙を剥がす手間も無くなる。この作業性の向上から、銘板貼り付け施工業者、ポスター貼り付け業者等からは、広幅の手持ち型粘着層転写テープ用転写具の製品化が以前から望まれていたが、未だどこからも提供されていない。本発明は、このようなニーズに応えるべく、粘着層転写テープの幅を１１ｍｍ以上の広幅にしても、充分実用に耐えうる粘着層転写テープ用転写具を提供することを課題とする。 Further, when it is desired to attach a nameplate or the like to the wall, conventionally, an adhesive layer transfer tape or an adhesive has been used. For example, when using adhesive layer transfer tape, stick the adhesive layer transfer tape to the nameplate in the length direction, cut with scissors, etc., and apply it to the entire surface, then peel off the release paper and remove the wall. I was sticking to. However, if there is a transfer tool for adhesive layer transfer tape with a wide width (for example, a tape width of 11 to 50 mm), the adhesive layer is transferred by tracing the entire surface of the nameplate while pressing the transfer tool in the length direction. This eliminates the need to cut the tape and the trouble of peeling the release paper. Due to this improvement in workability, nameplate pasting contractors, poster pasting contractors, etc. have long desired the commercialization of wide hand-held adhesive layer transfer tape transfer tools, but they are still available from anywhere. Absent. In order to meet such needs, an object of the present invention is to provide a transfer tool for an adhesive layer transfer tape that can withstand practical use even when the width of the adhesive layer transfer tape is 11 mm or more.
第１発明は、手持ち型の転写テープ用転写具において、装填されて使用される粘着層転写テープの粘着層が、基材上に第１の粘着層、キレ向上層、第２の粘着層 を順次積層されたものであり、キレ向上層が天然又は合成ゴム、アクリル樹脂、オレフィン樹脂、シリコーン樹脂及びウレタン樹脂から選択される樹脂により形成され、さらにキレ向上層にモース硬度が６以上で最大粒子径が５〜３０μｍ、かつ粒子長さが３０〜５００μｍの針状粒子を含有することを特徴とする粘着層転写テープ用転写具である。
第２発明は、前記キレ向上層の伸び％（ＪＩＳ Ｚ ０２３７−１９９１に準じて測定、試験片の厚み１０μｍ、幅１０ｍｍ、つかみ間隔１０ｍｍ）が、３０〜２００％であることを特徴とする第１発明の粘着層転写テープ用転写具である。
第３発明は、前記第１の粘着層、第２の粘着層の伸び（ＪＩＳ Ｚ ０２３７−１９９１に準じて測定、試験片の厚み１０μｍ、幅１０ｍｍ、つかみ間隔１０ｍｍ）が、２００〜２０００％であり、かつキレ向上層の伸びと第１の粘着層の伸びの比、キレ向上層の伸びと第２の粘着層の伸び比がいずれも１：１．５〜１：３０であることを特徴とする第１、２発明の粘着層転写テープ用転写具である。
第４発明は、前記第１の粘着層と第２の粘着層とが、異なる樹脂により形成されており、
第２粘着層の樹脂と被転写体の材質が同系の材料であり、第１粘着層の樹脂と被転写体に付ける物品の材料が同系の材料であることを特徴とする第１〜３発明の粘着層転写テープ用転写具である。
第５発明は、第１〜４発明の粘着層転写テープを組み込んだ前記の転写具のテープの幅が、１１〜５０ｍｍであることを特徴とする粘着層転写テープ用転写具である。
The first invention is Oite the hand held transfer tape transfer tool, the adhesive layer transfer tape adhesive layer used in the loaded, first adhesive layer on a substrate, sharp improvement layer, a second adhesive The sharpening layer is formed of a resin selected from natural or synthetic rubber, acrylic resin, olefin resin, silicone resin and urethane resin , and the sharpness improving layer has a Mohs hardness of 6 or more. An adhesive layer transfer tape transfer tool comprising needle-like particles having a maximum particle diameter of 5 to 30 μm and a particle length of 30 to 500 μm .
The second invention is characterized in that the elongation percentage of the sharpening improvement layer (measured according to JIS Z 0237-1991, thickness of
In the third invention, the elongation of the first adhesive layer and the second adhesive layer (measured according to JIS Z 0237-1991, thickness of
In the fourth invention, the first adhesive layer and the second adhesive layer are formed of different resins,
The first and second inventions are characterized in that the resin of the second adhesive layer and the material of the transferred body are the same material, and the resin of the first adhesive layer and the material of the article attached to the transferred body are the same material. This is a transfer tool for an adhesive layer transfer tape.
5th invention is the transfer tool for adhesive layer transfer tapes characterized by the width | variety of the tape of the said transfer tool incorporating the adhesive layer transfer tape of 1st-4th invention being 11-50 mm.
本発明の粘着層転写テープを使用することで、従来からある文具用の粘着層転写テープ用転写具での粘着層のキレの向上を測ることができる。さらに、銘板貼りやポスター貼りで要求される広幅の粘着層転写テープを手持ち型の転写具に収納して使用すると、粘着層のキレは良く広幅で銘板やポスターにこの粘着層転写テープで接着できるので、作業性の向上が可能となる。また、建材の固定、電気製品の部品の固定、車両の内装材の固定等従来粘着層転写テープで固定されていたものも、本発明の粘着層転写テープ（テープ幅は、狭いものは、２ｍｍから、広いものは、５０ｍｍ程まで）を収納した粘着層転写テープ用転写具を使うことによって、作業性の向上ができる。 By using the pressure-sensitive adhesive layer transfer tape of the present invention, it is possible to measure the improvement of the adhesive layer sharpness in a conventional pressure-sensitive adhesive layer transfer tape transfer tool for stationery. Furthermore, when the wide adhesive layer transfer tape required for nameplates or posters is stored and used in a hand-held transfer tool, the adhesive layer is sharp enough to adhere to the nameplate or poster with this adhesive layer transfer tape. Therefore, workability can be improved. In addition, the adhesive layer transfer tape of the present invention (such as the one having a narrow tape width is 2 mm), such as fixing of building materials, fixing of parts of electric products, fixing of interior materials of vehicles, etc. Therefore, workability can be improved by using a transfer tool for an adhesive layer transfer tape in which a wide one is accommodated up to about 50 mm.
転写具を手持ち型でなく、機械体の転写具であればテープ幅は、５０ｍｍを超えるものもあり得るが、この場合でも、本発明の粘着層転写テープを収納して使用することができる。この場合は、従来の転写具を使わない手貼りに比べ、機械化により作業性が格段に向上することになる。 If the transfer tool is not a hand-held type but a mechanical transfer tool, the tape width may exceed 50 mm. However, even in this case, the adhesive layer transfer tape of the present invention can be accommodated and used. In this case, the workability is greatly improved by mechanization as compared with the conventional manual pasting without using a transfer tool.
以下の説明で、単に粘着層と呼ぶときは、［第１の粘着層＋キレ向上層＋第２の粘着層］の３層が積層されたものを言う。 In the following description, when simply referred to as an adhesive layer, it refers to a laminate of three layers of [first adhesive layer + crimp improving layer + second adhesive layer].
本発明は、図１、図２に示されるような、基材上に粘着層を有する粘着層転写テープがロール状に巻き回された供給リールと、該供給リールから巻き戻されて供給される該粘着層転写テープを被転写体に押圧し粘着層を転写させるためのヘッドと、転写後の粘着層と分離された基材を巻き取るための巻き取りリールとからなる転写具に収納されて使用される粘着層転写テープに関する。ただし、図１、図２に示される転写具に限定されるものではない。例えば、図２における尖頭型のヘッドがロール状のヘッドであったり、図２の縦引き式の転写機構が、横引き式の転写機構であるものが考えられる。 In the present invention, as shown in FIG. 1 and FIG. 2, a supply reel in which an adhesive layer transfer tape having an adhesive layer on a base material is wound in a roll shape, and is rewound from the supply reel and supplied. The adhesive layer transfer tape is housed in a transfer tool comprising a head for transferring the adhesive layer by pressing the adhesive layer transfer tape and a take-up reel for winding the separated adhesive layer and the separated substrate. The present invention relates to an adhesive layer transfer tape used. However, it is not limited to the transfer tool shown in FIGS. For example, it is conceivable that the pointed head in FIG. 2 is a roll-shaped head, or that the vertical pulling type transfer mechanism in FIG. 2 is a horizontal pulling type transfer mechanism.
本発明において使用される基材としては、ポリエステルフイルム、ポリカーボネートフイルム、ポリメチルメタクリレートフイルム、ポリエチレンフィルム、ポリプロピレンフイルム、ポリイミドフイルムなど種々の有機高分子フイルムの使用が可能であるが、コストおよび性能面から、ポリエチレンフィルム、ポリエステルフイルムが特に好ましい。また、フイルムの膜厚は、転写性およびコスト面から好ましくは６〜５０μｍの範囲であり、より好ましくは１２〜２５μｍである。また、紙基材も使用可能であり、紙基材としては、グラシン紙のような高密度紙、およびクレーコート紙、クラフト紙、上質紙などにポリエチレンなどの有機高分子フィルムをラミネートしたラミネート紙などの使用が可能であるが、コストおよび性能面から、グラシン紙の使用が好ましく、紙厚は２０〜５０μｍの範囲が好ましい。 As the base material used in the present invention, various organic polymer films such as a polyester film, a polycarbonate film, a polymethyl methacrylate film, a polyethylene film, a polypropylene film, and a polyimide film can be used. Polyethylene film and polyester film are particularly preferable. The film thickness is preferably in the range of 6 to 50 μm, more preferably 12 to 25 μm from the viewpoint of transferability and cost. Paper base materials can also be used, and as paper base materials, high-density paper such as glassine paper, and laminated paper in which an organic polymer film such as polyethylene is laminated on clay-coated paper, craft paper, high-quality paper, etc. However, from the viewpoint of cost and performance, it is preferable to use glassine paper, and the paper thickness is preferably in the range of 20 to 50 μm.
なお、これらの基材は、基材両面の表面上にシリコーン化合物、フッ素樹脂、フルオロシリコーン樹脂などの離型剤を塗布することにより、剥離シートとして使用するのが好ましい。 In addition, it is preferable to use these base materials as a release sheet by applying a release agent such as a silicone compound, a fluororesin, or a fluorosilicone resin on both surfaces of the base material.
キレ向上層とは、粘着層の３層の中で比較すると一番キレ易い層であり、３層全体のキレを向上する働きをもつ層である。 The sharpening layer is a layer that is most easily sharpened among the three layers of the pressure-sensitive adhesive layer, and has a function of improving the sharpness of the entire three layers.
キレ向上層は、第１、第２の粘着層の伸びに比べ伸びにくいものとする。ここでの伸びとは、ＪＩＳ Ｚ ０２３７−１９９１に準じて測定（試験片の厚み１０μｍ、幅１０ｍｍ、つかみ間隔１０ｍｍ）した伸び（％）をいう。このような構成とすることで、キレ向上層の機能が発現される。
The sharpening layer is less likely to be stretched than the first and second adhesive layers are stretched. The elongation here refers to the elongation (%) measured according to JIS Z 0237-1991 (
本発明の３層型の粘着層が、従来の１層型の粘着層に比べ、キレが良い理由を、図３〜図６を使って説明する。 The reason why the three-layer pressure-sensitive adhesive layer of the present invention is better than the conventional one-layer pressure-sensitive adhesive layer will be described with reference to FIGS.
図３は、本発明の粘着層の３層構造を表す図である。第１、第２の粘着層の組成は、同じものである。図４は、粘着層が銘板（被転写体）に転写され、銘板の端部で、粘着層が図の右方向に基材に引っ張られて、粘着層が切れようとする図である。図４において、粘着層が引っ張られると、最初に伸びの小さいキレ向上層がキレ出す。さらに引っ張られて第１、第２の粘着層の断面が細くなり、ついには、粘着層全体が切れるものである。 FIG. 3 is a diagram showing a three-layer structure of the pressure-sensitive adhesive layer of the present invention. The compositions of the first and second adhesive layers are the same. FIG. 4 is a diagram in which the adhesive layer is transferred to the nameplate (transfer object), and the adhesive layer is pulled to the base in the right direction in the drawing at the end of the nameplate, so that the adhesive layer is about to be cut. In FIG. 4, when the pressure-sensitive adhesive layer is pulled, a sharp improvement layer having a small elongation first appears. Further, the cross section of the first and second pressure-sensitive adhesive layers is narrowed, and finally the whole pressure-sensitive adhesive layer is cut.
これに対して、図５は、従来の１層型の粘着層が基材に設けられた図である。図６は、１層型の粘着層が銘板（被転写体）に転写され、銘板の端部で、粘着層が図の右方向に基材に引っ張られて、粘着層が切れようとする図である。図６において、粘着層が引っ張られると粘着層全体が細くなるものの粘着層の断面積が大きいので、その分粘着層の伸びは、大きくなり粘着層のキレが悪くなるものである。 On the other hand, FIG. 5 is a diagram in which a conventional single-layer adhesive layer is provided on a substrate. FIG. 6 is a diagram in which a single-layer type adhesive layer is transferred to a nameplate (transfer object), and the adhesive layer is pulled to the base material in the right direction of the nameplate at the end of the nameplate, so that the adhesive layer is about to be cut. It is. In FIG. 6, when the pressure-sensitive adhesive layer is pulled, the whole pressure-sensitive adhesive layer is thinned, but the cross-sectional area of the pressure-sensitive adhesive layer is large, so that the elongation of the pressure-sensitive adhesive layer is increased correspondingly and the pressure-sensitive adhesive layer is deteriorated.
つまり、本発明の第１、第２の粘着層は、従来の１層型の粘着層よりも層の厚みは、各々薄いので、引っ張られる際の断面積が小さく、必然的に伸びは、小さくなりキレ易いものとなる。 That is, each of the first and second adhesive layers of the present invention has a smaller thickness than the conventional one-layer adhesive layer, so that the cross-sectional area when pulled is small and the elongation is inevitably small. It becomes easy to clean.
この説明は、本発明のキレが良いメカニズムの一例の説明であって、粘着層の３つ層の組成内容によっては、他のメカニズムによるキレの良い理由もあり得るもので、発明の内容をこの説明に限定するものではない。例えば、キレ向上層が先にキレるものではなく、キレ向上層がキレると同時に、第１、第２の粘着層がキレ向上層に引っ張られて３つの層が同時にキレる場合もあり得る。 This explanation is an example of the sharp mechanism of the present invention. Depending on the composition of the three layers of the adhesive layer, there may be a reason for the sharpness of other mechanisms. It is not limited to the explanation. For example, the sharpening layer may not be sharp first, but the sharpening layer may be sharpened, and at the same time, the first and second adhesive layers may be pulled by the sharpening layer and the three layers may be sharpened simultaneously. .
キレ向上層は、通常粘着剤として使用される樹脂を所望の厚さにフィルム成形してなるものである。例えば、下記の樹脂により形成される。天然ゴム。スチレンーブタジエン系、ポリイソブチレン系、イソプレン系等の合成ゴム。アクリル樹脂、例えば、２−エチルヘキシルアクリレート、ブチルアクリレート、エチルアクリレートの重合体。オレフィン樹脂、例えば、ポリスチレン−エチレン/ブチレン共重合体、ポリエチレン、ポリスチレン−エチレン−プロピレンの共重合体。シリコーン樹脂、例えば、ビニルポリジメチルシロキサンの共重合体、ビニルトリクロロシラン−アルコキシシラン共重合体。ウレタン樹脂、例えば、ポリイソシアネートと下記のポリオールとの反応により得られるもの：ポリエステルポリオール、ポリエステルポリオール・ポリラクトンポリオール等。ポリエステル樹脂、飽和ポリエステル、不飽和ポリエステル。 The sharpening layer is formed by film-forming a resin usually used as an adhesive to a desired thickness. For example, it is formed of the following resin. Natural rubber. Synthetic rubbers such as styrene-butadiene, polyisobutylene, and isoprene. Acrylic resin, for example, 2-ethylhexyl acrylate, butyl acrylate, ethyl acrylate polymer. Olefin resin such as polystyrene-ethylene / butylene copolymer, polyethylene, polystyrene-ethylene-propylene copolymer. Silicone resin, for example, vinyl polydimethylsiloxane copolymer, vinyltrichlorosilane-alkoxysilane copolymer. Urethane resins, for example, those obtained by reaction of polyisocyanates with the following polyols: polyester polyols, polyester polyols / polylactone polyols, and the like. Polyester resin, saturated polyester, unsaturated polyester.
キレ向上層は、好ましくはアクリル樹脂により形成される。さらに好ましくは、キレ向上層は水系のアクリル系エマルジョン樹脂により形成される。アクリル樹脂は、例えば、下記のモノマーの１種類又はそれ以上を、溶液重合、塊状重合、乳化重合、懸濁重合等により重合して得られるものである：アクリル酸、メタクリル酸、アルキル基が未置換であるか又は置換されており、１〜２０個の炭素原子を有するアクリル酸アルキル又はメタクリル酸アルキルエステル（例えば、アクリル酸メチル、アクリル酸エチル、アクリル酸ブチル、アクリル酸−２−エチルヘキシル、アクリル酸イソノニル、メタクリル酸メチル、メタクリル酸ヒドロキシエチル、メタクリル酸ヒドロキシプロピル、メタクリル酸ジメチルアミノエチル）、酢酸ビニル、アクリルニトリル、アクリルアミド、スチレン、塩化ビニリデン、イタコン酸、アクリルアミド、メチロールアクリルアミド、メタクリル酸グリシジル、無水マレイン酸等。 The sharpening layer is preferably formed of an acrylic resin. More preferably, the sharpening layer is formed of a water-based acrylic emulsion resin. The acrylic resin is obtained, for example, by polymerizing one or more of the following monomers by solution polymerization, bulk polymerization, emulsion polymerization, suspension polymerization or the like: acrylic acid, methacrylic acid, alkyl group is not yet present. Substituted or substituted alkyl acrylates or alkyl methacrylates having 1 to 20 carbon atoms (for example, methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, acrylic Isononyl acid, methyl methacrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, dimethylaminoethyl methacrylate), vinyl acetate, acrylonitrile, acrylamide, styrene, vinylidene chloride, itaconic acid, acrylamide, methylolacrylamide, glycyl methacrylate Le, maleic anhydride.
また、好ましくは、キレ向上層を形成する樹脂は、第１の粘着層を形成する樹脂及び／又は第２の粘着層を形成する樹脂と同じ組成のモノマーにより形成される。さらに好ましくは、キレ向上層は、第１の粘着層を形成する樹脂及び／又は第２の粘着層を形成する樹脂と同じ組成であり、且つ該粘着剤を形成する樹脂より分子量の大きい樹脂からなる。キレ向上層の分子量は、例えば10,000 〜1,２０００00 、好ましくは、200,000 〜1,000,000である。前記範囲未満であると、キレ向上層の伸びが大きくなりキレにくくなる。前記範囲を超えると、キレ向上層の引張り強度が増し、キレが悪くなる。 Preferably, the resin forming the sharpening improving layer is formed of a monomer having the same composition as the resin forming the first adhesive layer and / or the resin forming the second adhesive layer. More preferably, the sharpening improving layer is made of a resin having the same composition as the resin forming the first adhesive layer and / or the resin forming the second adhesive layer and having a higher molecular weight than the resin forming the adhesive. Become. The molecular weight of the sharpening layer is, for example, 10,000 to 1,2,000,000, preferably 200,000 to 1,000,000. If it is less than the above range, the elongation of the sharpening improving layer becomes large and the sharpening becomes difficult. When the above range is exceeded, the tensile strength of the sharpening layer increases and sharpness deteriorates.
また、好ましくは、キレ向上層を形成する樹脂は、第１の粘着層を形成する樹脂及び／又は第２の粘着層を形成する樹脂と同じ組成のモノマーにより形成され、且つ第１及び又は第２の粘着層を形成する樹脂より架橋度の高い樹脂である。架橋度を高くすることによって、キレ向上層の伸びは小さいものとなる。キレ向上層樹脂の架橋は、重合の際に適当な架橋剤を配合することにより行われる。架橋剤としては、例えばエポキシ樹脂、イソシアネート、メラミン樹脂、尿素樹脂、エーテル化アミノ樹脂、金属キレート等を使用できる。
Preferably, the resin forming the sharpening improving layer is formed of a monomer having the same composition as the resin forming the first adhesive layer and / or the resin forming the second adhesive layer, and the first and / or first 2 is a resin having a higher degree of cross-linking than the resin forming the
なお、キレ向上層は、老化防止剤、、添加剤、後述する層のキレを良くするための粒子、導電性材料等を含有できる。
キレ向上層の厚さは、用途及び使用されるキレ向上層材料及び粘着剤材料により異なるが、好ましくは１〜１５０μm、より好ましくは５〜５０μmである。前記範囲より小さいと、粘着層中に占めるキレ向上層の厚みの比率が小さくなり、キレ向上の機能が弱くなる。前記範囲より大きいとキレ向上層の引張り強度が大きくなりキレが悪くなる。
The sharpening layer can contain an anti-aging agent, additives, particles for improving the sharpness of the layer described later, a conductive material, and the like.
The thickness of the sharpening layer varies depending on the use and the sharpening layer material and the pressure-sensitive adhesive material used, but is preferably 1-150 μm, more preferably 5-50 μm. If it is smaller than the above range, the ratio of the thickness of the sharpening improving layer in the adhesive layer becomes small, and the sharpening improving function becomes weak. If it is larger than the above range, the tensile strength of the sharpening layer will increase and the sharpness will deteriorate.
キレ向上層は、一種類又はそれ以上の原料モノマー、及び所望により配合される架橋剤等の添加剤を配合し、溶液重合、塊状重合、乳化重合、懸濁重合等により重合したものを原料として用い、Ｔダイ法、インフレーション法等の押出法、キャスティング法等によりフィルム状に形成できる。。 The sharpening layer contains one or more raw material monomers and additives such as a crosslinking agent blended as desired, and is polymerized by solution polymerization, bulk polymerization, emulsion polymerization, suspension polymerization, etc. It can be formed into a film by an extrusion method such as a T-die method or an inflation method, a casting method, or the like. .
キレ向上層の原料の配合の例を表１に示す。
Table 1 shows examples of blending of the raw material for the sharpening layer.
Ｔダイ法によるキレ向上層の形成は、原料を押出機に入れ、加熱溶融した後、Ｔダイから押出し、延伸して冷却することにより行われる。インフレーション法によるキレ向上層の形成は、押出機中で加熱溶融した原料をインフレーションダイから押出し、空気圧により膨張させ、空気冷却することにより行われる。キャスティングによるキレ向上層の形成は、原料を溶剤に溶解し、濾過し、流延し、乾燥することにより行われる。 The formation of the sharpening layer by the T-die method is performed by putting the raw material into an extruder, heating and melting, then extruding from the T-die, stretching and cooling. The formation of the sharpening layer by the inflation method is performed by extruding a raw material heated and melted in an extruder from an inflation die, expanding it by air pressure, and cooling with air. The formation of the sharpening layer by casting is performed by dissolving the raw material in a solvent, filtering, casting, and drying.
第１、第２の粘着層は、通常粘着剤に使用される樹脂により形成され、所望により粘着付与剤、軟化剤、充填剤、老化防止剤、架橋剤等の添加剤、後述する層のキレを良くするための粒子、導電性材料を含む層である。 The first and second pressure-sensitive adhesive layers are formed of a resin usually used for pressure-sensitive adhesives. If desired, additives such as tackifiers, softeners, fillers, anti-aging agents, cross-linking agents, and the like are described below. It is a layer containing particles and a conductive material for improving the quality.
樹脂は、例えば下記のものである。天然ゴム。スチレンーブタジエン系、ポリイソブチレン系、イソプレン系等の合成ゴム。アクリル樹脂、例えば、メチル（メタ）アクリレート、エチル（メチル）アクリレート、ブチル（メタ）アクリレート、２−エチルヘキシル（メタ）アクリレート。オレフィン樹脂、例えば、ポリエチレン、ポリプロピレン。シリコーン樹脂、例えば、シロキサン・トリクロロシラン、アルコシラン。ウレタン樹脂、例えば、ポリエステルポリオール、ポリカーボネート、ポリエールポリオール、ポリアルキレンポリオール等。 Examples of the resin are as follows. Natural rubber. Synthetic rubbers such as styrene-butadiene, polyisobutylene, and isoprene. Acrylic resin, for example, methyl (meth) acrylate, ethyl (methyl) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate. Olefin resins such as polyethylene and polypropylene. Silicone resins such as siloxane trichlorosilane and alcoholosilane. Urethane resins such as polyester polyols, polycarbonates, polyol polyols, polyalkylene polyols and the like.
好ましくは、第１、第２の粘着層はアクリル樹脂により形成される。アクリル樹脂は、上記でキレ向上層について列挙したモノマーの一種類又はそれ以上を、溶液重合、塊状重合、乳化重合、懸濁重合等により重合して得られるものである。 Preferably, the first and second adhesive layers are formed of an acrylic resin. The acrylic resin is obtained by polymerizing one or more of the monomers listed above for the sharpening layer by solution polymerization, bulk polymerization, emulsion polymerization, suspension polymerization or the like.
粘着付与剤は、例えば下記のものである。ロジン系（例えばロジン、ガムロジン、変性ロジン、ロジンエステル）、テルペンフェノール樹脂、テルペン樹脂、合成石油樹脂（例えばイソプレン、シクロペンタジエン、１，３−ペンタジエン、１−ペンテンのコポリマー、２−ペンテン、ジシクロペンタジエンのコポリマー、１，３−ペンタジエン主体の樹脂、インデン、スチレン、メチルインデン、αーメチルスチレンのコポリマー）、フェノール樹脂、キシレン樹脂、脂環族系石油樹脂、クマロンインデン樹脂、スチレン系樹脂、ジシクロペンタジエン樹脂。 The tackifier is, for example, the following. Rosin (eg rosin, gum rosin, modified rosin, rosin ester), terpene phenol resin, terpene resin, synthetic petroleum resin (eg isoprene, cyclopentadiene, 1,3-pentadiene, 1-pentene copolymer, 2-pentene, dicyclo Pentadiene copolymer, 1,3-pentadiene-based resin, indene, styrene, methylindene, α-methylstyrene copolymer), phenol resin, xylene resin, alicyclic petroleum resin, coumarone indene resin, styrene resin, dicyclo Pentadiene resin.
架橋剤は、上記でキレ向上層について列挙したものから選択される。 The crosslinking agent is selected from those listed above for the sharpening layer.
キレ向上層、第１、第２粘着層のキレを良くする粒子としては、形状から分類すると、針状粒子と球状粒子がある。 The particles that improve the sharpness of the sharpening layer and the first and second adhesive layers include acicular particles and spherical particles, when classified by shape.
本発明の各層において、少なくとも１層に針状粒子を含有させると層のキレがよくなる。特に、キレ向上層に含有させると転写された層の面に対して、斜め上方に層を引き切る際に、針状粒子が層を突き破り、層のキレがより良くなる。 In each layer of the present invention, when at least one layer contains acicular particles, the layer is improved. In particular, when it is contained in the sharpening layer, when the layer is pulled obliquely upward with respect to the surface of the transferred layer, the acicular particles break through the layer, and the sharpness of the layer is improved.
針状粒子には、柱状のものと、尖頭状（端部が尖っている形状）のものがあるが、望ましくは尖頭状の粒子が良い。柱状であってもよいが、そのときは最大粒子径と粒子の長さの比が、１：３以上の棒状（球状ではない）である粒子が、全針状粒子中において９０％以上含有するのが望ましい。 The acicular particles include those having a columnar shape and those having a pointed shape (a shape with a sharp end), and preferably have a pointed shape. In this case, the ratio of the maximum particle diameter to the particle length is 1: 3 or more of rod-shaped (non-spherical) particles that are 90% or more in all needle-shaped particles. Is desirable.
針状粒子を含有させると、次の作用が生じる。基材に対する粘着層の塗布面以外の方向に力が加わり、層の膜が薄くなった後、膜を針状粒子が突き破り、層を切断することとなる。そして、切断された層は、切断端部が針状粒子に引きつけられ、結果として糸を引くことなく完全に切断される。 When acicular particles are contained, the following action occurs. After a force is applied in a direction other than the application surface of the adhesive layer to the substrate and the film of the layer becomes thin, the acicular particles break through the film and cut the layer. And the cut | disconnected layer part is attracted | sucked to an acicular particle | grain, and the cut | disconnected layer is cut | disconnected completely, without pulling a thread | yarn as a result.
針状粒子としては、例えばガラス、ケイカイ石、セピオライト、クリソタイル、針状ホウ酸アルミニウム、針状酸化チタン、針状チタン酸カリウムなどがある。 Examples of the acicular particles include glass, quartzite, sepiolite, chrysotile, acicular aluminum borate, acicular titanium oxide, acicular potassium titanate, and the like.
さらに、針状粒子のモース硬度を６以上のものを使用すると良い。その理由は、モース硬度が６より軟らかいと、層の主成分に針状粒子を含有させて、最終的な転写テープを製作する段階で、針状の形状が崩れやすいためである。そして、モース硬度が６以上の針状粒子を含有させることで、より容易に層の膜を突き破ることができ、粘着層を容易に切断することができる。モース硬度が６以上である材料としては、ガラス、針状酸化チタン、針状ホウ酸アルミニウムがある。 Furthermore, it is preferable to use acicular particles having a Mohs hardness of 6 or more. The reason for this is that if the Mohs hardness is softer than 6, the needle-like shape tends to collapse at the stage of making the final transfer tape by adding needle-like particles to the main component of the layer. And by containing the acicular particle | grains whose Mohs hardness is 6 or more, the film | membrane of a layer can be pierced more easily and an adhesion layer can be cut | disconnected easily. Examples of materials having a Mohs hardness of 6 or more include glass, acicular titanium oxide, and acicular aluminum borate.
また、針状粒子の最大粒子径を５〜３０μｍ、かつ粒子長さ３０〜５００μｍとすると良い。この理由は、針状粒子の最大粒子径が５μｍより小さく、かつ粒子長さが３０μｍより短いと、層の切断容易性に寄与しない傾向が強くなり、また、針状粒子の最大粒子径が３０μｍより大きく、かつ粒子長さが５００μｍより長いと、グラビアコーターのスムーサー、キスコーターのメイヤバーに針状粒子が引っかかることによる塗工すじが生じて塗工性が悪化する傾向が強くなる。 The maximum particle diameter of the acicular particles is preferably 5 to 30 μm and the particle length is 30 to 500 μm. The reason for this is that if the maximum particle diameter of the acicular particles is smaller than 5 μm and the particle length is shorter than 30 μm, the tendency of not contributing to the ease of cutting the layer becomes strong, and the maximum particle diameter of the acicular particles is 30 μm. If the particle size is larger and the particle length is longer than 500 μm, there is a strong tendency for the coating properties to deteriorate due to the occurrence of coating streaks caused by the acicular particles being caught on the gravure coater smoother and kiss coater Mayer bar.
各層中には、針状粒子を１．０〜３．０重量％含有するのが好ましい。前記範囲未満であると、切断容易性を安定して維持することができない場合が生じ、前記範囲を超えると、粘着力が低下する場合が生じる。 Each layer preferably contains 1.0 to 3.0% by weight of acicular particles. If it is less than the above range, there may be cases where the ease of cutting cannot be maintained stably, and if it exceeds the above range, the adhesive force may be reduced.
導電性が要求される場合には、酸化亜鉛、酸化スズ等の導電性材料をキレ向上層及び第１、第２の粘着層に分散できる。導電性材料の粒径は、好ましくは０．０１〜３０μm、より好ましくは０．０１〜０．０２μmである。導電性材料の量は、キレ向上層及び第１、第２の粘着剤の量に対して各々２０〜４０重量％とするのが好ましい。前記以外の導電材料としては、カーボンナノチューブがある。この材料は、尖頭状の針状形状で、材料同士が接触する面積が大きくなり前記の配合重量％よりも少ない含有量で導電性の効果をあげることができるので、粘着力を大きく下げないで導電性を付与する効果がある。 When conductivity is required, a conductive material such as zinc oxide or tin oxide can be dispersed in the sharpening improvement layer and the first and second adhesive layers. The particle size of the conductive material is preferably 0.01 to 30 μm, more preferably 0.01 to 0.02 μm. The amount of the conductive material is preferably 20 to 40% by weight with respect to the amount of the sharpening improving layer and the first and second adhesives. Examples of the conductive material other than the above include carbon nanotubes. This material has a pointed needle-like shape, the area where the materials come into contact with each other is increased, and the conductive effect can be obtained with a content less than the above-mentioned blended weight%, so the adhesive force is not greatly reduced. This has the effect of imparting electrical conductivity.
粘着層の厚さは、好ましくは片面で４〜１００μm、より好ましくは１０〜５０μmである。前記範囲より薄いと、粘着力が不足する。前記範囲より厚いとキレが悪くなる。 The thickness of the adhesive layer is preferably 4 to 100 μm on one side, more preferably 10 to 50 μm. If it is thinner than the above range, the adhesive strength is insufficient. If it is thicker than the above range, the sharpness will deteriorate.
本発明の粘着層転写テープの粘着層厚（第１の粘着層＋キレ向上層＋第２の粘着層）は、好ましくは１０〜２００μm、特に１５〜１５０μmである。前記範囲より薄いと、粘着力が不足する。前記範囲より厚いとキレが悪くなる。 The pressure-sensitive adhesive layer thickness of the pressure-sensitive adhesive layer transfer tape of the present invention (first pressure-sensitive adhesive layer + crimp improving layer + second pressure-sensitive adhesive layer) is preferably 10 to 200 μm, particularly 15 to 150 μm. If it is thinner than the above range, the adhesive strength is insufficient. If it is thicker than the above range, the sharpness will deteriorate.
本発明の粘着層転写テープは、例えば下記の方法により製造される。剥離シートに第１粘着層の粘着剤又はその溶液を、キスロールコーター、グラビアコーター、ナイフコーター、リバースロールコーター等により、乾燥時の厚さが４〜１００μmになるように塗布し、６０〜１２０℃の温度で乾燥する。これに、前記の製造方法で製造したフィルム形状のキレ向上層を積層し、６０〜１２０℃の温度で乾燥し、巻き込んでいく。さらに、これを巻き戻しながら、キレ向上層上に第２粘着層の粘着剤又はその溶液をキスロールコーター、グラビアコーター、ナイフコーター、リバースロールコーター等により、乾燥時の厚さが１０〜１００μmになるように塗布し、６０〜１２０℃の温度で乾燥し、巻き上げる。 The pressure-sensitive adhesive layer transfer tape of the present invention is produced, for example, by the following method. The pressure-sensitive adhesive of the first pressure-sensitive adhesive layer or a solution thereof is applied to the release sheet with a kiss roll coater, a gravure coater, a knife coater, a reverse roll coater or the like so that the thickness when dried is 4 to 100 μm. Dry at a temperature of ° C. A film-shaped sharpening improving layer manufactured by the above-described manufacturing method is laminated on this, dried at a temperature of 60 to 120 ° C., and entrained. Further, while rewinding, the adhesive of the second adhesive layer or the solution thereof on the sharpening improving layer is dried to a thickness of 10 to 100 μm by a kiss roll coater, gravure coater, knife coater, reverse roll coater, etc. It coats so that it may become, It dries at the temperature of 60-120 degreeC, and winds up.
本発明の粘着層転写テープは、片面が剥離シートで覆われ、巻き上げられたテープ形状である。この場合、上記の巻き上げ工程に続いて、所望のテープ幅にスリットする工程が存在する。（以上が第１発明）
キレ向上層の伸び％は、３０〜２００％の範囲とする。（第２発明）前記範囲未満では、層の引張り強度が増しキレにくくなる。前記範囲を超えると、層が伸びやすくなりキレにくくなる。なお、本願において、伸び％は、ＪＩＳ Ｚ ０２３７−１９９１に準じて測定（試験片の厚み１０μｍ、幅１０ｍｍ、つかみ間隔１０ｍｍ）するところの伸び％である。
The adhesive layer transfer tape of the present invention has a tape shape in which one side is covered with a release sheet and rolled up. In this case, following the winding process, there is a process of slitting to a desired tape width. (The above is the first invention)
The elongation percentage of the sharpening layer is in the range of 30 to 200%. (2nd invention) If it is less than the said range, the tensile strength of a layer will increase and it will become difficult to sharpen. When the above range is exceeded, the layer is easily stretched and is difficult to be sharpened. In addition, in this application, elongation% is elongation% as measured according to JIS Z 0237-1991 (the thickness of a test piece is 10 μm, the width is 10 mm, and the gripping interval is 10 mm).
第１の粘着層、第２の粘着層の伸び％が、２００〜２０００％であり、かつキレ向上層の伸びと第１の粘着層の伸びの比、キレ向上層の伸びと第２の粘着層の伸び比がいずれも１：１．５〜１：３０、好ましくは１：１．５〜１：１５とする。（第３発明）第１の粘着層、第２の粘着層の伸び％が前記範囲未満であると、被着体に対する粘着力が小さくなり、２つの被着体間で剥がれる不具合が出てくる。伸び％が、前記範囲を超えると第１の粘着層、第２の粘着層の伸びが大きくなりキレが悪くなる。 The elongation% of the first adhesive layer and the second adhesive layer is 200 to 2000%, and the ratio of the elongation of the sharpening improvement layer to the elongation of the first adhesive layer, the elongation of the sharpening improvement layer and the second adhesion The elongation ratio of each layer is 1: 1.5 to 1:30, preferably 1: 1.5 to 1:15. (Third Invention) If the elongation percentage of the first adhesive layer and the second adhesive layer is less than the above range, the adhesive force to the adherend is reduced, and the problem of peeling between the two adherends appears. . When elongation% exceeds the said range, the elongation of a 1st adhesion layer and a 2nd adhesion layer will become large, and sharpness will worsen.
また、キレ向上層と第１、第２の粘着層の伸び％の比が、１：１．５より接近した伸び％であると、キレ向上層の機能が発現しにくくなる。前記比が１：３０より離れた伸び％であると第１の粘着層、第２の粘着層の伸びが大きくなりキレにくくなる。
被転写体と他の物品を本発明の粘着層転写テープを使って接着させる場合、被転写体と物品の材質が異なる場合がある。例えば、被転写体がアクリル樹脂板で物品がゴム成型品（天然ゴム製）の組合せ等である。この場合、第１、第２の粘着層をアクリル樹脂で形成すると、ゴム成型品に対面する第１の粘着層の粘着力が高くならず、粘着力不足で剥がれる問題が出てくる。この問題を解消するには、第１の粘着層を、天然ゴム系の粘着剤で形成し、第２の粘着層を、アクリル樹脂で形成すると、ゴム成形品に対しては、第１の粘着層の天然ゴム系の粘着剤が対面することになり粘着力を高くすることができる。
Moreover, when the ratio of the elongation percentage between the sharpening layer and the first and second adhesive layers is an elongation percentage closer to 1: 1.5, the function of the sharpening layer is less likely to be exhibited. When the ratio is an elongation% away from 1:30, the elongation of the first adhesive layer and the second adhesive layer is increased, and it becomes difficult to sharpen.
When the transfer object and another article are bonded using the adhesive layer transfer tape of the present invention, the material of the transfer object and the article may be different. For example, the transfer object is an acrylic resin plate and the article is a combination of a rubber molded product (made of natural rubber). In this case, when the first and second adhesive layers are formed of an acrylic resin, the adhesive force of the first adhesive layer facing the rubber molded product is not increased, and there arises a problem that the adhesive layer is peeled off due to insufficient adhesive force. In order to solve this problem, when the first adhesive layer is formed of a natural rubber-based adhesive and the second adhesive layer is formed of an acrylic resin, the first adhesive layer is applied to a rubber molded product. Adhesive strength can be increased because the natural rubber adhesive of the layer faces each other.
このように被転写体と他の物品の材質が異なる場合は、第１の粘着層と第２の粘着層とが異なる樹脂より形成するとよい。つまり、被転写体と他の物品の材質が異なる場合は、第２粘着層の樹脂と被転写体の材質が同系の材料であり、第１粘着層の樹脂と被転写体に付ける物品の材質が同系の材料とすることで、被転写体に付けた物品との粘着力は強いものとなる。（第４発明）
第５発明は、本発明の粘着層転写テープの幅を１１〜５０ｍｍをスリッターでスリットしたテープを図１、図２のような転写具に収納した転写具である。この転写具は、幅が従来より広いものであるが、粘着層のキレがよい。そのため、従来の文具用のみならず、ポスターを掲示板に貼り付けたりとか、トイレ表示板、非常口案内板、エレベータ案内板、危険表示板等の銘板を壁等に貼り付けたい場合に、従来の両面粘着テープを使った貼り付け作業に比べ少ない作業工数で作業ができる。
As described above, when the material of the transfer target and the other article are different, the first adhesive layer and the second adhesive layer may be formed of different resins. That is, when the material of the transferred object is different from that of the other article, the material of the second adhesive layer and the material of the transferred object are the same material, and the material of the article attached to the resin of the first adhesive layer and the transferred object By using a similar material, the adhesive strength with the article attached to the transfer object becomes strong. (Fourth invention)
5th invention is the transfer tool which accommodated the tape which slit the width | variety of the adhesive layer transfer tape of this invention 11-50 mm with the slitter in a transfer tool like FIG. 1, FIG. This transfer tool is wider than the conventional one, but the adhesive layer has a good sharpness. Therefore, not only for conventional stationery, but also when pasting posters on bulletin boards, or when attaching nameplates such as toilet display boards, emergency exit guide boards, elevator guide boards, danger display boards, etc. to walls etc. Work can be done with fewer man-hours compared to pasting work using adhesive tape.
従来の両面粘着テープを使って、銘板を壁に貼り付ける場合、まず銘板の長手方向に対して、（１）両面粘着テープを貼る。（２）カットする。の作業をする。（１）、（２）の作業を繰り返して、銘板の全面に両面粘着テープを貼り終える。その後、（３）貼り付けた両面粘着テープの離型シートを剥がす。銘板の粘着層面を所望の壁の位置に貼り付けて完了となる。これに対して、第５発明の転写具を使うと、銘板に転写具のヘッド部を押さえて引くことにより、銘板の長手方向に数回、粘着層を転写して銘板の全面に転写後、壁に銘板を貼ることで完了となる。本発明の転写具を使えば、従来していた前記の（２）、（３）の作業がなくなり、少ない作業工数となる。 When pasting a nameplate on a wall using a conventional double-sided adhesive tape, first, (1) a double-sided adhesive tape is pasted in the longitudinal direction of the nameplate. (2) Cut. Work. The operations of (1) and (2) are repeated to finish the application of the double-sided adhesive tape to the entire surface of the nameplate. Thereafter, (3) the release sheet of the attached double-sided adhesive tape is peeled off. The adhesive layer surface of the nameplate is affixed to the desired wall position to complete. On the other hand, when using the transfer tool of the fifth invention, by pressing and pulling the head part of the transfer tool on the nameplate, the adhesive layer is transferred several times in the longitudinal direction of the nameplate and transferred to the entire surface of the nameplate. Complete by putting a nameplate on the wall. If the transfer tool of the present invention is used, the conventional operations (2) and (3) are eliminated, and the number of work steps is reduced.
５０ｍｍ幅を超えると（片）手持ち型では、使用しづらくなる。５０ｍｍ幅を超える粘着層転写テープを使いたい場合は、両手持ちの転写具や、電動式機械体の転写具に収納して使うことができる。 When the width exceeds 50 mm, it becomes difficult to use the (single) hand-held type. When it is desired to use an adhesive layer transfer tape having a width exceeding 50 mm, it can be accommodated in a transfer tool with both hands or an electric machine body.
［参考例１］
（剥離シートの製造）剥離シートとして、厚み１６μｍのポリエチレンフィルムの片面に、シリコーン剥離剤（信越化学工業（株）製、ＫＳ−３５０２）９７部とシリカ（日本シリカ工業（株）製、ニップシール２２０Ａ）３部の混合物を、乾燥重量が０．７ｇ／ｍ２となるようグラビアコーターで塗工し、熱風乾燥して重剥離面を得た。次いでこの剥離シートのもう一方の面に、シリコーン剥離剤（信越化学工業（株）製、Ｘ−６２−２６７６）を、乾燥重量が０．５ｇ／ｍ２となるようグラビアコーターで塗工し、熱風乾燥して軽剥離面を得た。
（キレ向上層の製造）アクリルエマルジョン系樹脂（メタアクリル酸エステル；分子量60万、DM772ヘキスト合成（株）製）、キャスティング装置（コンマコーターでOPP フィルム厚み２５μｍ）を用いて流延し、１００℃で乾燥して、厚さ１０μmのキレ向上層を形成した。なお、得られたキレ向上層の伸び％は８０％であった。
（粘着剤溶液Ａの調製）
アクリル酸アルキエステル−酢酸ビニル共重合体粘着剤、例えば、商標SKダイン1717; 綜研化学製により、粘着剤溶液Ａを調製した。
[ Reference Example 1 ]
(Manufacture of release sheet) As a release sheet, on one side of a 16 μm thick polyethylene film, 97 parts of silicone release agent (manufactured by Shin-Etsu Chemical Co., Ltd., KS-3502) and silica (manufactured by Nippon Silica Industry Co., Ltd., nip seal 220A) ) 3 parts of the mixture was coated with a gravure coater so that the dry weight was 0.7 g /
(Manufacture of sharpening layer) Cast using acrylic emulsion resin (methacrylic ester; molecular weight 600,000, manufactured by DM772 Hoechst Synthetic Co., Ltd.) and casting device (OPP film thickness 25 μm with comma coater), 100 ° C. Was dried to form a sharpening layer having a thickness of 10 μm. The elongation percentage of the resulting improvement layer was 80%.
(Preparation of adhesive solution A)
An adhesive solution A was prepared by an acrylic acid alkyl ester-vinyl acetate copolymer adhesive, for example, trademark SK Dyne 1717; manufactured by Soken Chemical.
表２の材料を混合して、粘着剤溶液Ｂを調製した。 The materials in Table 2 were mixed to prepare an adhesive solution B.
（粘着層転写テープ、粘着層転写テープ用転写具の製造）
上記のように調製した粘着剤溶液Ａを、剥離シートに、乾燥時の厚さが１０μmとなるような量でグラビアコーターにより塗布し、１００℃で乾燥し、巻き上げて第１粘着層を形成した。これを巻き戻しながら、上記のように製造したキレ向上層を、粘着層上に積層し、１００℃で乾燥した後、巻き上げた。さらに、これを巻き戻しながら、上記のように形成されたキレ向上層上に、粘着剤溶液Ｂを乾燥時の厚さが１０μmとなるような量でグラビアコーターにより塗布し、１００℃で乾燥し、巻き上げて第２粘着層を形成した。得られた粘着層転写テープをスリッターにより、２５ｍｍ幅にスリットした。スリット時に粘着剤のはみ出しは見られなかった。
(Manufacture of adhesive layer transfer tape and transfer tool for adhesive layer transfer tape)
The pressure-sensitive adhesive solution A prepared as described above was applied to a release sheet with a gravure coater in such an amount that the thickness upon drying was 10 μm, dried at 100 ° C., and rolled up to form a first pressure-sensitive adhesive layer. . While rewinding this, the sharpening layer produced as described above was laminated on the adhesive layer, dried at 100 ° C., and then wound up. Further, while rewinding, the pressure-sensitive adhesive solution B was applied onto the sharpening layer formed as described above by a gravure coater in such an amount that the thickness upon drying was 10 μm, and dried at 100 ° C. The second adhesive layer was formed by winding up. The obtained adhesive layer transfer tape was slit to a width of 25 mm with a slitter. No protrusion of the adhesive was seen when slitting.
なお、上記のように形成される粘着層（Ａ）及び粘着層（Ｂ）の伸び％は各々４５０％、３７０％であった。 The elongation percentages of the adhesive layer (A) and the adhesive layer (B) formed as described above were 450% and 370%, respectively.
上記で製造された粘着層転写テープを図１，２で示される構造を持つ試作転写具に収納してテープ幅２５ｍｍ幅の粘着層転写テープ用転写具を作成した。 The adhesive layer transfer tape produced above was housed in a prototype transfer tool having the structure shown in FIGS. 1 and 2 to produce an adhesive layer transfer tape transfer tool having a tape width of 25 mm.
［参考例２］
参考例１の粘着層転写テープ、粘着層転写テープ用転写具の製造において、第２粘着層を第１粘着層と同じ粘着剤溶液Ａを使った以外は、同じ仕様、同じ製造方法で、粘着層転写テープ、粘着層転写テープ用転写具の製造をした。
[ Reference Example 2 ]
In the production of the adhesive layer transfer tape of Reference Example 1 and the transfer tool for the adhesive layer transfer tape, the second adhesive layer was the same as the first adhesive layer except that the same adhesive solution A was used. A transfer tool for layer transfer tape and adhesive layer transfer tape was manufactured.
［実施例３］参考例１の粘着層転写テープ、粘着層転写テープ用転写具の製造において、キレ向上層の組成中に、２重量％のガラス（針状粒子、モース硬度６．５、平均粒子径１０μｍ、平均粒子長さ３４８μｍ）を含有させた以外は、同じ製造方法で、粘着層転写テープ、粘着層転写テープ用転写具の製造をした。
[Example 3] In the production of the pressure-sensitive adhesive layer transfer tape and the transfer tool for pressure-sensitive adhesive layer transfer tape of Reference Example 1 , 2% by weight of glass (needle particles, Mohs hardness 6.5, average) in the composition of the sharpening layer A pressure-sensitive adhesive layer transfer tape and a pressure-sensitive adhesive layer transfer tape transfer tool were manufactured by the same manufacturing method except that the particle diameter was 10 μm and the average particle length was 348 μm.
［実施例４］参考例１の粘着層転写テープ、粘着層転写テープ用転写具の製造において、キレ向上層、第１、第２粘着層の各層の組成中に、それぞれ２重量％のガラス（針状粒子、モース硬度６．５、平均粒子径１０μｍ、平均粒子長さ３４８μｍ）を含有させた以外は、同じ製造方法で、粘着層転写テープ、粘着層転写テープ用転写具の製造をした。
[Example 4] In the production of the pressure-sensitive adhesive layer transfer tape and the pressure-sensitive adhesive layer transfer tape transfer tool of Reference Example 1 , 2% by weight of glass (in each composition of the sharpening improving layer and the first and second pressure-sensitive adhesive layers) ( Adhesive layer transfer tape and adhesive layer transfer tape transfer tool were produced by the same production method except that acicular particles, Mohs hardness 6.5,
［比較例１］
（アクリル系粘着剤溶液の製造）アクリル系共重合体からなる粘着剤（一方社油脂工業（株）製、バインゾールＲ−１５００Ｓ）１００重量部に対して、粘着付与樹脂である不均化ロジンエステル樹脂（荒川化学工業（株）製、スーパーエステルＡ１１５、）１５重量部とメラミン系架橋剤（一方社油脂工業（株）製、架橋剤Ｃ）２重量部を混合して、アクリル系粘着剤溶液を得た。
[Comparative Example 1]
(Production of acrylic pressure-sensitive adhesive solution) Disproportionated rosin ester, which is a tackifying resin, with respect to 100 parts by weight of pressure-sensitive adhesive made of an acrylic copolymer (manufactured by Yushi Kogyo Co., Ltd., Vainsol R-1500S) Acrylic adhesive solution by mixing 15 parts by weight of resin (Arakawa Chemical Industries, Ltd., Superester A115) and 2 parts by weight of melamine-based crosslinking agent (manufactured by Yushi Kogyo Co., Ltd., crosslinking agent C) Got.
（粘着層転写テープ、粘着層転写テープ用転写具の製造）前記アクリル系粘着剤溶液を前記剥離シートの軽剥離面上に３０μｍ（乾燥後）の厚さになるようコンマコーターにて塗布し、１００℃で乾燥したのち重剥離面側と貼り合わせるようにして巻き取り、さらに２５ｍｍ幅にスリットして、粘着層転写テープを得た。参考例１で使用した試作転写具に、粘着層転写テープを収納して粘着層転写テープ用転写具を作成した。
(Manufacture of adhesive layer transfer tape and transfer tool for adhesive layer transfer tape) Apply the acrylic adhesive solution on the light release surface of the release sheet with a comma coater to a thickness of 30 μm (after drying), After drying at 100 ° C., it was wound so as to be bonded to the heavy release surface side, and further slit to a width of 25 mm to obtain an adhesive layer transfer tape. The adhesive layer transfer tape was housed in the prototype transfer tool used in Reference Example 1 to produce an adhesive layer transfer tape transfer tool.
［比較例２］
比較例１の粘着層転写テープ、粘着層転写テープ用転写具の製造において、粘着層の組成中に、２重量％のガラス（針状粒子、モース硬度６．５、平均粒子径１０μｍ、平均粒子長さ３４８μｍ）を含有させた以外は、同じ製造方法で、粘着層転写テープ、粘着層転写テープ用転写具の製造をした。
[Comparative Example 2]
In the production of the pressure-sensitive adhesive layer transfer tape and the transfer tool for pressure-sensitive adhesive layer transfer tape of Comparative Example 1, 2% by weight of glass (needle particles, Mohs hardness 6.5,
［評価］
（１）キレ性
参考例１，２、実施例３，４、比較例１，２で得られた２５ｍｍ幅の粘着層転写テープ用転写具を８．８Ｎの押圧力でＰＰＣ用紙に押しつけながら走行させて粘着層を転写した後、図２に示されるように転写具１４を垂直方向に４００ｍｍ／分の速度で引き上げた際に、粘着剤の糸引き４が生じ、それが切れたときの当該糸引きの長さＬを測定（１０回測定の平均値）し、下記の基準でキレ性を判定した。測定結果を表３に示す。
○：糸引きの長さＬ≦２０ｍｍ
△：糸引きの長さ２０ｍｍ＜Ｌ≦５０ｍｍ
×：糸引きの長さ５０ｍｍ＜Ｌ
（２）粘着力
被転写体として、厚み２ｍｍのＡ４サイズの天然ゴムシート、このシートに貼り付ける他の物品として厚み２ｍｍ、サイズは縦横５０ｍｍのアクリル樹脂板を使用した。天然ゴムシートに対して、参考例１と比較例１の転写具を使って、粘着層を縦横５０ｍｍの転写領域に転写させた。転写された粘着層に前記のアクリル樹脂板を貼り合わせた。常温で１時間養成したのち、アクリル樹脂板を剥がした。
[Evaluation]
(1) Sharpness
The adhesive layer transfer tape having a width of 25 mm obtained in Reference Examples 1 and 2, Examples 3 and 4 and Comparative Examples 1 and 2 was run while being pressed against PPC paper with a pressing force of 8.8 N. After the transfer, as shown in FIG. 2, when the
○: Stringing length L ≦ 20 mm
Δ: Stringing length 20 mm <L ≦ 50 mm
X: Length of thread drawing 50 mm <L
(2) An A4 size natural rubber sheet having a thickness of 2 mm was used as the adhesive transfer target, and an acrylic resin plate having a thickness of 2 mm and a size of 50 mm in length and width was used as another article to be attached to the sheet. Using the transfer tool of Reference Example 1 and Comparative Example 1, the adhesive layer was transferred to a natural rubber sheet in a transfer area of 50 mm in length and width. The acrylic resin plate was bonded to the transferred adhesive layer. After training at room temperature for 1 hour, the acrylic resin plate was peeled off.
参考例２と比較例１は、ほぼ同程度の粘着力であったが、参考例１、実施例３は、前記の２例の粘着力に比べ、強い粘着力で接着していた。参考例１、実施例３の転写具は、天然ゴムシートに対面する粘着層がゴム系の粘着層で形成されているので、他の例に比べ強い粘着力をもつものと考えられる。実施例４の転写具は、参考例２の粘着力よりも大きいが、針状粒子が全３層に含有されているため、参考例１よりは、小さい粘着力であった。
粘着力を表３中に、大、中、小で表した。
Reference Example 2 and Comparative Example 1 had substantially the same adhesive strength, but Reference Example 1 and Example 3 were bonded with a stronger adhesive strength than the adhesive strength of the two examples. In the transfer tools of Reference Example 1 and Example 3, since the adhesive layer facing the natural rubber sheet is formed of a rubber-based adhesive layer, it is considered that the transfer tool has stronger adhesive force than other examples. Although the transfer tool of Example 4 was larger than the adhesive force of Reference Example 2 , it had a lower adhesive force than Reference Example 1 because the acicular particles were contained in all three layers.
The adhesive strength is shown in Table 3 as large, medium and small.
１ 粘着層転写テープ
２ 基材
３ 粘着層
４ 糸引き
１０ 供給リール
１１ 巻き取りリール
１２ ヘッド
１３ 被転写体
１４ 転写具
２１ 第１粘着層
２２ キレ向上層
２３ 第２粘着層
２４ １層型の粘着層
DESCRIPTION OF SYMBOLS 1 Adhesive
Claims (5)
第２粘着層の樹脂と被転写体の材質が同系の材料であり、第１粘着層の樹脂と被転写体に付ける物品の材料が同系の材料であることを特徴とする請求項１〜３記載の粘着層転写テープ用転写具。 The first adhesive layer and the second adhesive layer are formed of different resins,
4. The material of the second adhesive layer and the material to be transferred are similar materials, and the material of the article to be attached to the resin of the first adhesive layer and the material to be transferred are similar materials. The transfer tool for the adhesive layer transfer tape as described.
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| JP2004365349A JP4505580B2 (en) | 2004-12-17 | 2004-12-17 | Adhesive layer transfer tape transfer tool |
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| JP2004365349A JP4505580B2 (en) | 2004-12-17 | 2004-12-17 | Adhesive layer transfer tape transfer tool |
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| JP2006169415A JP2006169415A (en) | 2006-06-29 |
| JP4505580B2 true JP4505580B2 (en) | 2010-07-21 |
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| JP2004365349A Active JP4505580B2 (en) | 2004-12-17 | 2004-12-17 | Adhesive layer transfer tape transfer tool |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007182534A (en) * | 2005-12-08 | 2007-07-19 | Tombow Pencil Co Ltd | Pressure-sensitive transfer adhesive tape and coating film transfer tool |
| US8397784B2 (en) | 2010-08-31 | 2013-03-19 | Sanford, L.P. | Correction tape dispenser with variable clutch mechanism |
| US8746313B2 (en) | 2010-12-29 | 2014-06-10 | Sanford, L.P. | Correction tape re-tensioning mechanism and correction tape dispenser comprising same |
| US8578999B2 (en) | 2010-12-29 | 2013-11-12 | Sanford, L.P. | Variable clutch mechanism and correction tape dispenser with variable clutch mechanism |
| US8746316B2 (en) | 2011-12-30 | 2014-06-10 | Sanford, L.P. | Variable clutch mechanism and correction tape dispenser with variable clutch mechanism |
| JP6520143B2 (en) * | 2015-01-23 | 2019-05-29 | 大日本印刷株式会社 | Laminate, method of manufacturing conductive substrate using the same, method of manufacturing electronic device, and transfer tool |
| JP6699784B2 (en) * | 2019-04-26 | 2020-05-27 | 大日本印刷株式会社 | Laminated body, method of manufacturing conductive substrate using the same, method of manufacturing electronic device, and transfer tool |
| JP6849131B2 (en) * | 2020-04-30 | 2021-03-24 | 大日本印刷株式会社 | Laminates, methods for manufacturing conductive substrates using them, methods for manufacturing electronic devices, and transfer tools |
| KR20240139185A (en) * | 2023-03-13 | 2024-09-23 | 한국기계연구원 | Transfer film for high-speed transfer and transfer method using the transfer film |
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| JPH0469429U (en) * | 1990-10-19 | 1992-06-19 | ||
| JP2001192625A (en) * | 2000-01-06 | 2001-07-17 | Tombow Pencil Co Ltd | Pressure-sensitive transfer type tacky tape |
| JP2001240812A (en) * | 2000-03-01 | 2001-09-04 | Tombow Pencil Co Ltd | Pressure-sensitive transfer adhesive tape |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2871181B2 (en) * | 1991-07-09 | 1999-03-17 | ブラザー工業株式会社 | Photocurable composition |
| JPH05178525A (en) * | 1991-12-26 | 1993-07-20 | Fujicopian Co Ltd | Film transfer tool |
| JP2998874B2 (en) * | 1992-12-10 | 2000-01-17 | 日本カーバイド工業株式会社 | Multi-layer adhesive structure |
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| JPH0469429U (en) * | 1990-10-19 | 1992-06-19 | ||
| JP2001192625A (en) * | 2000-01-06 | 2001-07-17 | Tombow Pencil Co Ltd | Pressure-sensitive transfer type tacky tape |
| JP2001240812A (en) * | 2000-03-01 | 2001-09-04 | Tombow Pencil Co Ltd | Pressure-sensitive transfer adhesive tape |
| JP2001271041A (en) * | 2000-03-28 | 2001-10-02 | Tombow Pencil Co Ltd | Pressure sensitive transfer tacky tape |
| JP2003113353A (en) * | 2001-10-01 | 2003-04-18 | General Kk | Transfer tape |
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| JP2006169415A (en) | 2006-06-29 |
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