JP2547031B2 - High saturation adhesive sheet - Google Patents
High saturation adhesive sheetInfo
- Publication number
- JP2547031B2 JP2547031B2 JP62187671A JP18767187A JP2547031B2 JP 2547031 B2 JP2547031 B2 JP 2547031B2 JP 62187671 A JP62187671 A JP 62187671A JP 18767187 A JP18767187 A JP 18767187A JP 2547031 B2 JP2547031 B2 JP 2547031B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- adhesive sheet
- saturation
- transparent film
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、装飾又は表示等を目的に用いられる高彩度
接着シートに関し、詳しくは被着体に貼着した場合、そ
の被着体の種類にかかわらず色鮮やかな装飾又は表示が
可能な高彩度接着シートに関する。Description: TECHNICAL FIELD The present invention relates to a high-saturation adhesive sheet used for the purpose of decoration or display, and more specifically, when it is attached to an adherend, the type of the adherend The present invention relates to a high-saturation adhesive sheet that can be colorfully decorated or displayed.
従来より、色鮮やかな高彩度を有する接着シートを作
成するために種々の方法が試みられている。その例とし
て、印刷若しくはコーティングする等の手段により白色
接着シートの上に着色透明層を形成して接着シートを作
成する方法、或いはラミネート、コーティング等の手段
により、予め着色透明層と白色層とからなる二層構造の
フィルムを形成し、該フィルムに接着剤を被着して接着
シートとを作成する方法等が知られている。Heretofore, various methods have been tried in order to produce an adhesive sheet having a vivid and highly saturated color. As an example, a method of forming a colored transparent layer on a white adhesive sheet by a means such as printing or coating to prepare an adhesive sheet, or a method of laminating, coating, etc., from a colored transparent layer and a white layer in advance. There is known a method of forming a double-layered film having the following structure and applying an adhesive to the film to form an adhesive sheet.
これら従来の方法に於いては、フィルムを実質的に二
層構造とすることが必要であるため、製造上工程が複雑
となり、製造に長時間を要し、それ故にコスト高になる
等の欠点があった。In these conventional methods, it is necessary to make the film have a substantially two-layer structure, which complicates the manufacturing process, requires a long time for manufacturing, and thus increases costs. was there.
更に、着色透明層と白色層の密着性が十分でないため
に、屋外等で使用した場合に該両層間に剥がれや膨れ等
が発生することもあった。Further, since the adhesion between the colored transparent layer and the white layer is not sufficient, peeling or swelling may occur between the both layers when used outdoors.
従って、本発明の目的は、製造が容易な簡単な構造で
ありながら、被着体の種類の如何にかかわらず貼着して
極めて色鮮やかな高彩度接着シートを提供することにあ
る。Therefore, an object of the present invention is to provide a highly saturated adhesive sheet having a very vivid color, which has a simple structure which is easy to manufacture and which is adhered regardless of the kind of the adherend.
本発明は、全光線透過率が10〜70％である着色透明フ
ィルムの一面に、接着剤組成物100重量％中に、５〜40
重量％の白色顔料及び３重量％以下の金属箔片を含む接
着剤組成物からなり、全光線透過率が35％以下で且つCI
E1976（Ｌ＊ａ＊ｂ＊）色空間に於けるＬ＊の値が80以
上の白色度を有する白色接着剤層を被着してなる高彩度
接着シートを提供することにより上記目的を達成するも
のである。The present invention provides one side of a colored transparent film having a total light transmittance of 10 to 70%, in an adhesive composition of 100% by weight, 5 to 40%.
It consists of an adhesive composition containing a white pigment in an amount of 3% by weight and a metal foil piece in an amount of 3% by weight or less, and has a total light transmittance of 35% or less and CI.
The above object is achieved by providing a high-saturation adhesive sheet obtained by applying a white adhesive layer having a whiteness with an L * value of 80 or more in the E1976 (L * a * b * ) color space. Is.
本発明の高彩度接着シートは、被着体の種類にかかわ
らず、即ち被着体表面の明度、彩度の如何にかかわらず
それ自体が色鮮やかな高彩度を有するものである。従っ
て、上記高彩度接着シートは全体として所定の隠蔽性、
即ち被着体表面の影響を受けない性質を有し、且つ上記
着色透明フィルムは所定の透過率を有し、しかも上記接
着剤層は所定の光反射性能を有してしるものである。The high-saturation adhesive sheet of the present invention has a vivid high-saturation by itself, regardless of the type of adherend, that is, regardless of the brightness and saturation of the surface of the adherend. Therefore, the high-saturation adhesive sheet as a whole has a predetermined hiding property,
That is, the colored transparent film has a property of being unaffected by the surface of the adherend, the colored transparent film has a predetermined transmittance, and the adhesive layer has a predetermined light reflection performance.
以下、本発明の各構成材について詳述する。 Hereinafter, each constituent material of the present invention will be described in detail.
本発明に於いて、着色透明フィルム（以下、単に透明
フィルム又はフィルムともいう）は任意の色で形成で
き、その全光線透過率は10〜70％、好ましくは15〜70
％、更に好ましくは20〜70％の範囲である。ただし、最
適透過率は、着色透明フィルムの色により異なる。In the present invention, the colored transparent film (hereinafter, also simply referred to as a transparent film or film) can be formed in any color, and the total light transmittance thereof is 10 to 70%, preferably 15 to 70.
%, More preferably 20 to 70%. However, the optimum transmittance differs depending on the color of the colored transparent film.
上記着色透明フィルムの全光線透過率を制限する理由
は次の通りである。即ち、全光線透過率が10％未満の場
合は、透過率が低すぎるために白色接着剤層からの反射
光が殆ど無く、それ故に色鮮やかな高彩度は得られな
い。逆に、全光線透過率が70％を超える場合は、着色透
明フィルムの着色が弱過ぎ、且つ白色接着剤層からの反
射光が多過ぎるために、彩度の低い白っぽい接着シート
になってしまう。The reason for limiting the total light transmittance of the colored transparent film is as follows. That is, when the total light transmittance is less than 10%, there is almost no light reflected from the white adhesive layer because the transmittance is too low, and therefore, vivid high saturation cannot be obtained. On the other hand, if the total light transmittance exceeds 70%, the coloring of the colored transparent film is too weak, and too much light is reflected from the white adhesive layer, resulting in a whitish adhesive sheet with low saturation. .
着色透明フィルムの厚さは特に制限されないが、好ま
しくは20〜200μ、更に好ましくは30〜100μである。The thickness of the colored transparent film is not particularly limited, but is preferably 20 to 200 μ, more preferably 30 to 100 μ.
尚、上記着色透明フィルムには、本発明の高彩度接着
シートの用途に応じて種々の添加剤を添加できることは
いうまでもない。例えば、上記高彩度接着シートを屋外
用途に使用する場合等に於いては、フィルムには紫外線
吸収剤を着色透明フィルムに添加して耐候性を向上させ
ることが好ましい。Needless to say, various additives can be added to the colored transparent film depending on the application of the high-saturation adhesive sheet of the present invention. For example, when the above-mentioned high-saturation adhesive sheet is used for outdoor use, it is preferable to add an ultraviolet absorber to the colored transparent film to improve weather resistance.
本発明に於いて、白色接着剤層（以下単に接着剤層と
も言う）を形成する接着剤組成物100重量％中に、白色
顔料量５〜40重量％、好ましくは10〜35重量％の含有率
で含有し、全光線透過率が35％以下、好ましくは30％以
下、更に好ましくは25％以下であり、且つCIE1976（Ｌ
＊ａ＊ｂ＊）色空間に於けるＬ＊の値が80以上、好まし
くは83以上、更に好ましくは85以上の白色度を有する白
色層として調製される。In the present invention, the content of the white pigment is 5 to 40% by weight, preferably 10 to 35% by weight in 100% by weight of the adhesive composition forming the white adhesive layer (hereinafter also simply referred to as the adhesive layer). The total light transmittance is 35% or less, preferably 30% or less, more preferably 25% or less, and CIE1976 (L
* A * b * ) It is prepared as a white layer having a whiteness value of L * in the color space of 80 or more, preferably 83 or more, more preferably 85 or more.
白色顔料の含有率を上記範囲に制限する理由は、次の
通りである。即ち、５重量％未満の場合は、全光線透過
率が大きすぎて隠蔽性が小さいために被着体の影響が表
れ接着シート全体としての隠蔽性を出し難く好ましくな
い。逆に、白色顔料の含有率が40重量％超の場合は、接
着剤層として有すべき接着力が充分でないために、該接
着剤層と着色透明フィルムとの密着を充分になし得ず、
更には接着シートとして有すべき接着力を充分に出し得
ない等の問題が生じ好ましくない。The reason for limiting the content of the white pigment to the above range is as follows. That is, when it is less than 5% by weight, the total light transmittance is too large and the hiding property is small, so that the effect of the adherend appears and the hiding property of the adhesive sheet as a whole is difficult to obtain, which is not preferable. On the other hand, when the content of the white pigment is more than 40% by weight, the adhesive strength that the adhesive layer should have is not sufficient, so that the adhesive layer and the colored transparent film cannot be sufficiently adhered,
Furthermore, there is a problem in that the adhesive force that the adhesive sheet should have cannot be sufficiently obtained, which is not preferable.
接着剤層の全光線透過率を上記のように35％以下にす
る理由は、全光線透過率が35％を超える場合は、接着シ
ートの全体に対して所定の隠蔽力を与える為に、着色透
明フィルムの全光線透過率を低くすることが必要にな
り、その結果高彩度接着シートとしての色鮮やかな高彩
度を得ることが難しくなることにある。The reason why the total light transmittance of the adhesive layer is 35% or less as described above is that when the total light transmittance exceeds 35%, coloring is given in order to give a predetermined hiding power to the entire adhesive sheet. It is necessary to reduce the total light transmittance of the transparent film, and as a result, it becomes difficult to obtain a vivid high saturation as a high saturation adhesive sheet.
接着剤層の色は、上層の着色透明フィルムを透過して
来た光をより効率よく反射させる為にCIE1976（Ｌ＊ａ
＊ｂ＊）色空間に於けるＬ＊の値が80以上の白色に調整
される。Ｌ＊の値が80未満である場合には、接着シート
としての色がくすみ、彩度が低下するため好ましくな
い。The color of the adhesive layer is CIE1976 (L * a in order to more efficiently reflect the light transmitted through the upper colored transparent film).
* B * ) The L * value in the color space is adjusted to a white value of 80 or more. If the value of L * is less than 80, the color of the adhesive sheet becomes dull and the saturation decreases, which is not preferable.
接着剤層に添加する上記白色顔料としては、白色度が
高く、接着性能に悪影響を与えないものであれば如何な
るものでもよく、例えば二酸化チタン、亜鉛華、硫酸バ
リウム、炭酸カルシウム、酸化アルミニウム等が用いら
れる。中でも、白色度、隠蔽力、着色力等に優れる二酸
化チタンを用いるのが特に好ましい。As the white pigment to be added to the adhesive layer, any white pigment having high whiteness and not adversely affecting the adhesion performance may be used, and examples thereof include titanium dioxide, zinc white, barium sulfate, calcium carbonate, and aluminum oxide. Used. Above all, it is particularly preferable to use titanium dioxide, which is excellent in whiteness, hiding power, coloring power and the like.
接着剤層には、全光線透過率を低くする、即ち接着剤
層の白色度を低下させずにその隠蔽性を上げる目的で上
記白色顔料とともに金属箔片を使用することができる。
金属箔片としては上記光学的等の条件を満足し且つ隠蔽
性向上に優れた性質を有する金属箔片を併用使用するこ
とが好ましい。隠蔽性向上に優れる金属箔片を使用する
ことにより、白色顔料の添加量を少なくする場合におい
ても高い隠蔽性を達成することが可能となる。従って、
接着剤層の接着特性を維持・向上した上で、該接着剤層
自体の隠蔽性を更に向上することができるため、接着シ
ートとしての隠蔽性を一段と向上することが可能とな
る。For the adhesive layer, a metal foil piece can be used together with the white pigment for the purpose of lowering the total light transmittance, that is, increasing the hiding property of the adhesive layer without lowering the whiteness.
As the metal foil piece, it is preferable to use together a metal foil piece that satisfies the above optical conditions and has a property of improving the hiding property. By using a metal foil piece that is excellent in improving the hiding property, it becomes possible to achieve a high hiding property even when the amount of the white pigment added is reduced. Therefore,
Since the hiding property of the adhesive layer itself can be further improved while maintaining and improving the adhesive property of the adhesive layer, the hiding property as an adhesive sheet can be further improved.
接着剤層に添加する上記金属箔片としては隠蔽力に優
れ、接着性能に悪影響を与えないものであれば如何なる
ものでも良く、例えばアルミニウム箔片、ステンレス箔
片等の金属箔片、或いはポリエステルフィルム等のベー
スフィルムに金属蒸着を施したものを粉砕して形成した
もの、また場合によってはパール顔料等の雲母コーティ
ングタイプ箔片等が利用できる。The metal foil piece added to the adhesive layer may be any as long as it has excellent hiding power and does not adversely affect the adhesive performance, for example, a metal foil piece such as an aluminum foil piece, a stainless steel foil piece, or a polyester film. A base film obtained by subjecting a base film to which metal vapor deposition is crushed to form a base film, or a mica coating type foil piece such as a pearl pigment in some cases can be used.
上記金属箔片の好ましい添加量は、白色接着剤層を形
成する接着剤組成物を100重量％として、３重量％以
下、より好ましくは0.1〜３重量％以下、更に好ましく
は0.1〜２重量％である。添加量が３重量％を超える場
合は、金属箔片自体の色が強くなるため白色度の高い接
着剤層が得られにくくなるからである。白色顔料との関
連に於ける好ましい金属箔片の添加量は、白色顔料の白
度を損なわないようにするため、該顔料に対し重量比で
1/3以下に、より好ましくは1/5以下に制限するのが好ま
しい。The preferable addition amount of the metal foil piece is 3% by weight or less, more preferably 0.1 to 3% by weight, further preferably 0.1 to 2% by weight, with the adhesive composition forming the white adhesive layer being 100% by weight. Is. This is because if the addition amount exceeds 3% by weight, the color of the metal foil piece itself becomes strong and it becomes difficult to obtain an adhesive layer with high whiteness. The preferable amount of the metal foil piece added in relation to the white pigment is a weight ratio with respect to the white pigment so as not to impair the whiteness of the white pigment.
It is preferable to limit it to 1/3 or less, more preferably 1/5 or less.
上記接着剤層を構成する接着剤自体としては、特に制
限されないが、耐候性、貼り作業性等の面より、アクリ
ル系感圧粘着剤を用いることが望ましい。The adhesive itself constituting the adhesive layer is not particularly limited, but it is desirable to use an acrylic pressure-sensitive adhesive from the viewpoint of weather resistance, sticking workability and the like.
また、接着剤層の厚さは特に制限されないが、十分な
接着力を確保し且つコスト低下を図るために、その厚さ
が20〜50μ、より好ましくは25〜45μに調整される。The thickness of the adhesive layer is not particularly limited, but the thickness is adjusted to 20 to 50 μ, and more preferably 25 to 45 μ in order to secure a sufficient adhesive force and reduce costs.
また接着剤層には光学的等条件等を満足する範囲内で
酸化チタン等の白色顔料、アルミニウム箔片等の金属箔
片以外に、着色剤、増白剤等を併用・添加しても良い。In addition to the white pigment such as titanium oxide and the metal foil piece such as the aluminum foil piece, a colorant, a whitening agent and the like may be used in combination with the adhesive layer within the range where the optical conditions and the like are satisfied. .
本発明の高彩度接着シートの製造方法は、特に限定さ
れるものではなく、通常の剥離紙等の離形材の上に製膜
した白色接着剤層に着色透明フィルムを貼り合わせる等
の一般的な接着シート製造方法により容易に製造可能で
ある。The method for producing the high-saturation adhesive sheet of the present invention is not particularly limited, and a general method such as bonding a colored transparent film to a white adhesive layer formed on a release material such as a normal release paper It can be easily manufactured by the adhesive sheet manufacturing method.
本発明の高彩度接着シートに於ける着色透明フィルム
は、その含有着色剤により、所定の波長の光を反射させ
るとともに、白色接着剤層からの反射光を所定の波長の
透過光として放射し、該反射光及び放射光があいまって
非常に鮮やかな彩の光となるようにコントロールする機
能を有しているものと考えられる。The colored transparent film in the high-saturation adhesive sheet of the present invention reflects the light having a predetermined wavelength by the contained colorant, and emits the reflected light from the white adhesive layer as the transmitted light having the predetermined wavelength, It is considered to have a function of controlling the reflected light and the radiated light so that the reflected light and the radiated light have a very vivid color.
また、白色接着剤層は、着色透明フィルムを被着体に
固定させる本来の機能を有すると同時に、その低い全光
線透過率及び高い反射率等による隠蔽力を該層に付与
し、結果として接着シートに全体としての隠蔽力を付与
する機能を有し、更には、その高い白色度により、着色
透明フィルムを透過してきた光を、効率よく反射させる
層として機能するものと考えられる。Further, the white adhesive layer has an original function of fixing the colored transparent film to the adherend, and at the same time, imparts a concealing power due to its low total light transmittance and high reflectance to the layer, resulting in adhesion. It is considered that the sheet has a function of imparting the hiding power as a whole, and further, due to its high whiteness, it functions as a layer for efficiently reflecting the light transmitted through the colored transparent film.
かくして、本発明の高彩度接着シートに於いては、上
記フィルムと接着剤層との共働により非常に色鮮やかな
高彩度を発揮するものである。Thus, in the high-saturation adhesive sheet of the present invention, a very vivid high-saturation is exhibited by the cooperation of the film and the adhesive layer.
〔実施例〕 次に、実施例を挙げて本発明の高彩度接着シートを具
体的に説明する。[Examples] Next, the high-saturation adhesive sheet of the present invention will be specifically described with reference to Examples.
尚、実施例・比較例で実施した各種試験方法及び算出
方法は次の通りである。The various test methods and calculation methods carried out in Examples and Comparative Examples are as follows.
全光線透過率測定法 着色透明フィルムの全光線透過率を測定する場合は、
そのフィルム自体について行い、接着剤層のみの場合
は、全光線透過率88.2％のPET（ポリエチレンテレフタ
レート）フィルムで該接着剤層の両側を積層固定した試
料を作成し、また、接着シートの場合は、接着剤層側を
同じくPETフィルムで積層固定した試料を作成し、これ
ら試料について全光線透過率を測定し、常法に基づいて
算出した。Total light transmittance measurement method When measuring the total light transmittance of a colored transparent film,
The film itself is performed. In the case of only the adhesive layer, a PET (polyethylene terephthalate) film having a total light transmittance of 88.2% is laminated and fixed on both sides of the adhesive layer to prepare a sample. Samples in which the adhesive layer side was similarly laminated and fixed with PET film were prepared, and the total light transmittance of these samples was measured and calculated based on a conventional method.
測定は、測定器として直読式ヘイズメーター（（株）
東洋精機製作所製）を用い、JIS Ｋ−6714の平行光線
透過率測定法に準拠して行った。The measurement is a direct reading type haze meter
(Manufactured by Toyo Seiki Seisakusho Co., Ltd.) in accordance with the JIS K-6714 parallel light transmittance measurement method.
厚さ測定法 着色透明フィルムの場合は、そのフィルム自体につい
て、JIS B7509に基づいてダイヤルゲージで厚さを測定
した。接着剤層の場合は、厚さが既知のPETフィルムの
片側面に接着剤層を被着形成した、20mm×200mmの大き
さの試料を作製し、この試料の長さ方向のほぼ均等間隔
の10点について上記と同様に測定し、PETフィルムの厚
さ分を差し引いて接着剤層の厚さを算出した。そして、
上記10点の厚さの平均値をもって上記接着剤層の厚さと
した。Thickness Measurement Method In the case of a colored transparent film, the thickness of the film itself was measured with a dial gauge based on JIS B7509. In the case of an adhesive layer, an adhesive layer is formed on one side of a PET film of known thickness, and a sample with a size of 20 mm × 200 mm is prepared, and the sample has a substantially equal interval in the length direction. The 10 points were measured in the same manner as above, and the thickness of the PET film was subtracted to calculate the thickness of the adhesive layer. And
The average value of the thickness at the 10 points was taken as the thickness of the adhesive layer.
測色値測定法 着色透明フィルムの場合は、該フィルムをアルキッド
メラミン塗装白板（日本テストパネル（株）製：以下、
単に白板ともいう）の上に載せて測定し、接着シートの
場合は、下記２種のパネルに貼り付けて測色した。Colorimetric Value Measurement Method In the case of a colored transparent film, the film is alkyd melamine coated white plate (manufactured by Nippon Test Panel Co., Ltd .:
It was also placed on a white plate) and measured, and in the case of an adhesive sheet, it was attached to the following two types of panels for color measurement.
測色値Ａは、上記白板に貼り付けて測定した値であ
り、測色値Ｂは、アルキッドメラミン塗装黒板（日本テ
ストパネル（株）製：以下、単に黒板ともいう）に貼り
付けて測定した値である。The colorimetric value A is a value measured by pasting on the white plate, and the colorimetric value B is measured by pasting on an alkyd melamine coated blackboard (manufactured by Nippon Test Panel Co., Ltd .: hereinafter also simply referred to as blackboard). It is a value.
測色値の測定は、測定器としてMacbeth Spectrophoto
meter Color−Eye MS−2020（Kollomorgen Corporatio
n製）を用いて行い、測色値は、標準の光Ｃ（標準光源
Ｃ）について、CIE1976（Ｌ＊ａ＊ｂ＊）色空間により
表色した。Macbeth Spectrophoto is a measuring instrument for measuring colorimetric values.
meter Color−Eye MS−2020 (Kollomorgen Corporatio
(manufactured by N. Co., Ltd.), and the colorimetric value was expressed in the CIE1976 (L * a * b * ) color space for standard light C (standard light source C).
接着剤層の白色度測定法 上記PETフィルムの片面に接着剤層を被着して試料を
作成し、該試料を、上記と同様のアルキッドメラミン塗
装黒板に貼り付け、上記の場合と同じ測定器を用いて
測色し、CIE1976（Ｌ＊ａ＊ｂ＊）色空間に於けるＬ＊
の値をもって白色度とした。Method for measuring whiteness of adhesive layer A sample is prepared by coating an adhesive layer on one surface of the PET film, and the sample is attached to an alkyd melamine coated blackboard similar to the above, the same measuring device as in the above case. To measure L * in the CIE1976 (L * a * b * ) color space .
The value of was taken as the whiteness.
彩度算出法 上記で測色した測色値を、下記計算式（１）に適用
することにより、接着シートの彩度を求めた。測色値Ａ
から求めた彩度をCAとし、測色値Ｂから求めた彩度をCB
として表１に示した。Saturation calculation method The saturation of the adhesive sheet was determined by applying the colorimetric value measured above to the following calculation formula (1). Colorimetric value A
Let CA be the saturation calculated from, and CB be the saturation calculated from colorimetric value B.
Is shown in Table 1.
彩度＝｛（ａ＊）２＋（ｂ＊）２｝0.5 ・・・（１） 隠蔽力算出法 上記で測色した測色値Ａ及びＢを、下記計算式
（２）に適用することにより、接着シートの隠蔽力を求
めた。式（２）において、（L1 ＊,a1 ＊,b1 ＊）は測色値
Ａの各値を、（L2 ＊,a2 ＊,b2 ＊）は測色値Ｂの各値を意
味する。Saturation = {(a * ) 2 + (b * ) 2 } 0.5 ... (1) Hiding power calculation method Apply the colorimetric values A and B measured above to the following formula (2). Thus, the hiding power of the adhesive sheet was obtained. In equation (2), (L 1 * , a 1 * , b 1 * ) is each value of colorimetric value A, and (L 2 * , a 2 * , b 2 * ) is each value of colorimetric value B. Means
隠蔽力＝｛（L1 ＊−L2 ＊）２＋（a1 ＊−a2 ＊）２ ＋（b1 ＊−b2 ＊）２｝0.5 ・・・（２） 接着力測定法 接着シートを15×150mmに切断し、該接着シートをス
キージを用いて上記アルキッドメラミン塗装白板上に圧
着・貼付した。Hiding power = {(L 1 * -L 2 *) 2 + (a 1 * -a 2 *) 2 + (b 1 * -b 2 *) 2} 0.5 ··· (2) adhesion assay adhesive sheet Was cut into 15 × 150 mm, and the adhesive sheet was pressure-bonded / pasted onto the white plate coated with alkyd melamine using a squeegee.
貼付後24時間経過した時点で、測定器としてストログ
ラフＭ−50（（株）東洋精機製作所製）を用い、180゜
方向に引き剥がすことにより、接着力を測定した。その
際、200mm/min.の引張速度で行った。At 24 hours after application, the adhesive strength was measured by using a Strograph M-50 (manufactured by Toyo Seiki Seisakusho Co., Ltd.) as a measuring device and peeling it off in the direction of 180 °. At that time, the tensile speed was 200 mm / min.
実施例１ アクリル樹脂系粘着剤（日本カーバイド工業（株）
製：商品名PE−124、不揮発分40重量％）100重量部にイ
ソシアネート系架橋剤（ダイセル・ヒュルス株式会社
製：商品名IPDI−T1890（Ｌ））0.3重量部を加えた粘着
剤溶液に白色顔料として酸化チタン（石原産業（株）
製：商品名タイペークCR−90）7.2重量部を加え、次い
で卓上サンドミルを用いて撹拌することにより該酸化チ
タンを上記溶液に十分に分散させ、白色粘着剤溶液を調
製した。Example 1 Acrylic resin adhesive (Nippon Carbide Industry Co., Ltd.)
(Product name: PE-124, non-volatile content 40% by weight) 100 parts by weight of isocyanate-based cross-linking agent (manufactured by Daicel Hüls Co., Ltd .: IPDI-T1890 (L)) 0.3 part by weight Titanium oxide as a pigment (Ishihara Sangyo Co., Ltd.)
Manufactured: Trade name: TAIPAKE CR-90) (7.2 parts by weight) was added, and then the titanium oxide was sufficiently dispersed in the above solution by stirring using a tabletop sand mill to prepare a white adhesive solution.
上記白色粘着剤溶液を剥離紙（王子加工（株）製：商
品名OKC−105PSG−Ｑ）に塗布し、乾燥して、白色接着
剤層を形成する接着剤組成物100重量％中に、酸化チタ
ンを15.2重量％含有する、厚さ約26μの粘着性の白色接
着剤層を作成した。The white adhesive solution is applied to a release paper (Oji Kako Co., Ltd .: trade name OKC-105PSG-Q) and dried to oxidize 100% by weight of an adhesive composition that forms a white adhesive layer. A tacky white adhesive layer containing 15.2% by weight of titanium and having a thickness of about 26μ was prepared.
更に、上記白色接着剤層の上に、別途作製した、厚さ
が48μで全光線透過率40.5％の赤色透明フィルム（着色
透明フィルム）を貼り合わせて高彩度接着シートを作成
した。作成した上記高彩度接着シートについて、前述の
方法に基づいて各種試験及び計算を行い、その結果を表
１に示した。Further, a separately prepared red transparent film (colored transparent film) having a thickness of 48 μm and a total light transmittance of 40.5% was laminated on the white adhesive layer to prepare a high saturation adhesive sheet. Various tests and calculations were performed on the prepared high-saturation adhesive sheet based on the method described above, and the results are shown in Table 1.
本実施例の高彩度接着シートは、表１に示す如く、隠
蔽力、接着力等に優れており、被着体としての前記白板
又は黒板何れの上に於いてもその影響を受けることなく
非常に色鮮やかで本発明の目的を十分に達成するもので
あった。As shown in Table 1, the high-saturation adhesive sheet of this example is excellent in hiding power, adhesive force, etc., and is extremely unaffected on any of the white plate or blackboard as an adherend. The color was vivid and the object of the present invention was sufficiently achieved.
実施例２ 実施例１で調製した白色粘着剤溶液にアルミニウム箔
片0.22重量部を添加し、十分に撹拌・混合して本実施例
２の粘着剤溶液を調製した。このアルミニウム箔片とし
ては、65重量％のアルミニウムを含有するアルペースト
7130N（商品名：東洋アルミニウム（株）製）を用い
た。Example 2 0.22 parts by weight of an aluminum foil piece was added to the white pressure-sensitive adhesive solution prepared in Example 1, and the mixture was sufficiently stirred and mixed to prepare a pressure-sensitive adhesive solution of this Example 2. This aluminum foil piece contains Alpaste containing 65% by weight of aluminum.
7130N (trade name: manufactured by Toyo Aluminum Co., Ltd.) was used.
上記粘着剤溶液を用いて白色接着剤層を形成し、それ
以外は全て実施例１の場合と同様にして、接着シート等
の各試料を作成し、該試料についても前記実施例１の場
合と同様の測定試験及び各物性値の算出を行いその結果
を表１に示した。A white adhesive layer was formed using the above-mentioned pressure-sensitive adhesive solution, and other than that, each sample such as an adhesive sheet was prepared in the same manner as in Example 1, and the sample was the same as in Example 1 above. The same measurement test and calculation of each physical property value were performed, and the results are shown in Table 1.
本実施例２の高彩度接着シートは、表１に示す如く、
非常に高い色鮮やかさを有していた。As shown in Table 1, the high-saturation adhesive sheet of Example 2 has
It had a very high vividness.
実施例３、４ 前記実施例２に於けるアルミニウム箔片の添加量に替
えて、アルミニウム箔片を0.51重量部添加した場合を実
施例３とし、1.03重量部添加した場合を実施例４とし
た。上記添加量以外は全て実施例２と同様にして接着シ
ート等の試料を作成し、各物性値を測定・算出してその
結果を表１に示した。Examples 3 and 4 In place of the amount of aluminum foil pieces added in Example 2, 0.51 parts by weight of aluminum foil pieces was added as Example 3, and 1.03 parts by weight was added as Example 4. . A sample such as an adhesive sheet was prepared in the same manner as in Example 2 except for the above addition amount, and the respective physical property values were measured and calculated, and the results are shown in Table 1.
実施例３及び４の高彩度接着シートは表１に示す如
く、非常に高い色鮮やかさを有していた。As shown in Table 1, the high-saturation adhesive sheets of Examples 3 and 4 had very high color vividness.
実施例５、６ 実施例１に於ける酸化チタンの添加量に替えて、酸化
チタンを4.6重量部添加した場合を実施例５とし、15.7
重量部添加した場合を実施例６とした。それ以外は、全
て実施例１と同様にして接着シート等の試料を作成し、
各物性値の測定・算出を行い、その結果を表１に示し
た。Examples 5 and 6 In place of the amount of titanium oxide added in Example 1, 4.6 parts by weight of titanium oxide was added as Example 5, and 15.7
Example 6 was the case of adding parts by weight. Except for that, samples such as an adhesive sheet were prepared in the same manner as in Example 1,
Each physical property value was measured and calculated, and the results are shown in Table 1.
実施例５及び６の高彩度接着シートは表１に示す如
く、非常に高い色鮮やかさを有していた。As shown in Table 1, the high-saturation adhesive sheets of Examples 5 and 6 had very high color vividness.
実施例７、８、９ 実施例３に於ける赤色透明フィルムに替えて、全光線
透過率23.6％の赤色透明フィルムを用いる場合を実施例
７とし、全光線透過率59.0％の赤色透明フィルムを用い
る場合を実施例８とし、更に全光線透過率68.9％の黄色
透明フィルムを用いる場合を実施例９として、実施例３
の場合と同様に接着シート等を試料を作成し、各物性値
の測定・算出を行い、その結果を表１に示した。実施例
７〜９の接着シートは表１に示す如く、極めて高い色鮮
やかさを有していた。Examples 7, 8 and 9 In place of the red transparent film in Example 3, a red transparent film having a total light transmittance of 23.6% was used as Example 7, and a red transparent film having a total light transmittance of 59.0% was used. The case of using Example 8 and the case of using a yellow transparent film having a total light transmittance of 68.9% as Example 9 and Example 3
In the same manner as in (1), a sample such as an adhesive sheet was prepared, each physical property value was measured and calculated, and the results are shown in Table 1. As shown in Table 1, the adhesive sheets of Examples 7 to 9 had extremely high color vividness.
実施例10 実施例４に於ける赤色透明フィルムに替えて、全光線
透過率68.9％の黄色透明フィルムを用い、それ以外は全
て実施例４と同様にして接着シート等の試料を作成し、
各物性値の測定・算出を行い、その結果を表１に示し
た。Example 10 A yellow transparent film having a total light transmittance of 68.9% was used in place of the red transparent film in Example 4, and a sample such as an adhesive sheet was prepared in the same manner as in Example 4, except for that,
Each physical property value was measured and calculated, and the results are shown in Table 1.
実施例10の接着シートは表１に示す如く、非常に高い
色鮮やかさを有していた。As shown in Table 1, the adhesive sheet of Example 10 had very high color vividness.
比較例１ 実施例２に於けるアルミニウム箔片の添加量に替え
て、アルミニウム箔片の添加量を2.5重量部とし、それ
以外は全て実施例２と同様にして比較例１の接着シート
等の試料を作成し、各物性値の測定・算出を行い、その
結果を表１に示した。Comparative Example 1 Instead of the addition amount of the aluminum foil piece in Example 2, the addition amount of the aluminum foil piece was 2.5 parts by weight, and otherwise the same as in Example 2 such as the adhesive sheet of Comparative Example 1. A sample was prepared, each physical property value was measured and calculated, and the results are shown in Table 1.
比較例１の接着シートは、表１に示す如く、同一着色
透明フィルムを用いた実施例１〜４の場合と比較して彩
度が低く、且つくすんだ感じを与えるものであった。As shown in Table 1, the adhesive sheet of Comparative Example 1 had lower chroma and a dull feeling as compared with Examples 1 to 4 using the same colored transparent film.
比較例２ 比較例１に於ける赤色透明フィルムに替えて、全光線
透過率68.9％の黄色透明フィルムを用い、それ以外は全
て比較例１と同様にして接着シート等の試料を作成し、
各物性値の測定・算出を行い、その結果を表１に示し
た。Comparative Example 2 In place of the red transparent film in Comparative Example 1, a yellow transparent film having a total light transmittance of 68.9% was used, and other than that, a sample such as an adhesive sheet was prepared in the same manner as in Comparative Example 1,
Each physical property value was measured and calculated, and the results are shown in Table 1.
比較例２の接着シートは、表１に示す如く、同一着色
透明フィルムを用いた実施例９、10の場合と比較して彩
度が低く、且つくすんだ感じを与えるものであった。As shown in Table 1, the adhesive sheet of Comparative Example 2 had lower chroma and a dull feeling as compared with Examples 9 and 10 using the same colored transparent film.
比較例３、４ 実施例１に於ける酸化チタンの添加量に替え、酸化チ
タンの添加量が1.8重量部の場合を比較例３とし、29.5
重量部の場合を比較例４とし、それ以外は全て実施例１
と同様にして比較例３及び４の接着シート等の試料を作
成し、各物性値の測定・算出を行い、その結果を表１に
示した。Comparative Examples 3 and 4 In place of the amount of titanium oxide added in Example 1, the case where the amount of titanium oxide added was 1.8 parts by weight was designated as Comparative Example 3 and was 29.5.
The case of parts by weight is referred to as Comparative Example 4, and other than that is all Example 1
Samples such as the adhesive sheets of Comparative Examples 3 and 4 were prepared in the same manner as in, and the physical property values were measured and calculated, and the results are shown in Table 1.
比較例３の接着シートは、表１に示す如く、隠蔽力が
乏しいく、また比較例４の接着シートは接着力が低かっ
た。As shown in Table 1, the adhesive sheet of Comparative Example 3 had a poor hiding power, and the adhesive sheet of Comparative Example 4 had a low adhesive force.
比較例５、６ 実施例３に於ける赤色透明フィルムに替え、全光線透
過率72.3％の赤色透明フィルムを用いる場合を比較例５
とし、9.5％の赤色透明フィルムを用いる場合を比較例
６とし、それ以外は、全て実施例３と同様にして接着シ
ート等の試料を作成し、各物性値の測定・算出を行い、
その結果を表１に示した。Comparative Examples 5 and 6 Comparative Example 5 is a case where the red transparent film in Example 3 is replaced with a red transparent film having a total light transmittance of 72.3%.
In Comparative Example 6 using 9.5% of red transparent film, except for the above, a sample such as an adhesive sheet was prepared in the same manner as in Example 3, and each physical property value was measured and calculated.
The results are shown in Table 1.
比較例５の接着シートは、白っぽい且つくすんだ感じ
のする彩度の低いものであり、また比較例６の接着シー
トは、黒っぽい彩度の低いものであった。The adhesive sheet of Comparative Example 5 had a whitish and dull feeling and low saturation, and the adhesive sheet of Comparative Example 6 had a blackish and low saturation.
〔発明の効果〕 本発明によれば、製造が容易な簡単な構造でありなが
ら、被着体の種類の如何にかかわらず貼着して極めて色
鮮やかな高彩度接着シートを、しかも安価に提供するこ
とができる。 EFFECTS OF THE INVENTION According to the present invention, it is possible to provide a highly saturated adhesive sheet with extremely vivid color, which has a simple structure that is easy to manufacture and is adhered regardless of the type of the adherend, and at low cost. be able to.
Claims (5)
ィルムの一面に、接着剤組成物100重量％中に、５〜40
重量％の白色顔料及び３重量％以下の金属箔片を含む接
着剤組成物からなり、全光線透過率が35％以下で且つCI
E1976（Ｌ＊ａ＊ｂ＊）色空間に於けるＬ＊の値が80以
上の白色度を有する白色接着剤層を被着してなる高彩度
接着シート。1. A colored transparent film having a total light transmittance of 10 to 70% and 5 to 40% of 100% by weight of an adhesive composition.
It consists of an adhesive composition containing a white pigment in an amount of 3% by weight and a metal foil piece in an amount of 3% by weight, and has a total light transmittance of 35% or less and a CI.
E1976 (L * a * b * ) A high-saturation adhesive sheet obtained by applying a white adhesive layer having a whiteness with an L * value of 80 or more in a color space.
である、特許請求の範囲第（１）項に記載の高彩度接着
シート。2. The thickness of the colored transparent film is 20 to 200 μm.
The high-saturation adhesive sheet according to claim (1), which is
する、特許請求の範囲第（１）又は（２）項に記載の高
彩度接着シート。3. The high-saturation adhesive sheet according to claim 1, wherein the colored transparent film has an ultraviolet absorbing ability.
で、その厚さが20〜50μである、特許請求の範囲第
（１）〜（３）項の何れかに記載の高彩度接着シート。4. The high-saturation adhesive according to any one of claims (1) to (3), wherein the adhesive layer is an acrylic resin-based pressure-sensitive adhesive and has a thickness of 20 to 50 μm. Sheet.
ある、特許請求の範囲第（１）〜（４）項の何れかに記
載の高彩度接着シート。5. The high-saturation adhesive sheet according to any one of claims (1) to (4), wherein the content of the metal foil pieces is 0.1 to 3% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62187671A JP2547031B2 (en) | 1987-07-29 | 1987-07-29 | High saturation adhesive sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62187671A JP2547031B2 (en) | 1987-07-29 | 1987-07-29 | High saturation adhesive sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6431632A JPS6431632A (en) | 1989-02-01 |
| JP2547031B2 true JP2547031B2 (en) | 1996-10-23 |
Family
ID=16210114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62187671A Expired - Lifetime JP2547031B2 (en) | 1987-07-29 | 1987-07-29 | High saturation adhesive sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547031B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008157611A2 (en) | 2007-06-18 | 2008-12-24 | 3M Innovative Properties Company | Colored acrylic adhesive and marking film |
| JP2010137470A (en) * | 2008-12-12 | 2010-06-24 | Three M Innovative Properties Co | Luminous laminate |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0776855A (en) * | 1993-09-08 | 1995-03-20 | Komatsu Ltd | Twin scarape dozer |
| JP5596291B2 (en) * | 2009-01-21 | 2014-09-24 | スリーエム イノベイティブ プロパティズ カンパニー | Graphics receptive article and graphics structure |
-
1987
- 1987-07-29 JP JP62187671A patent/JP2547031B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008157611A2 (en) | 2007-06-18 | 2008-12-24 | 3M Innovative Properties Company | Colored acrylic adhesive and marking film |
| JP2010137470A (en) * | 2008-12-12 | 2010-06-24 | Three M Innovative Properties Co | Luminous laminate |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6431632A (en) | 1989-02-01 |
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