JPH07100963A - Sheet adhesion method - Google Patents
Sheet adhesion methodInfo
- Publication number
- JPH07100963A JPH07100963A JP5249496A JP24949693A JPH07100963A JP H07100963 A JPH07100963 A JP H07100963A JP 5249496 A JP5249496 A JP 5249496A JP 24949693 A JP24949693 A JP 24949693A JP H07100963 A JPH07100963 A JP H07100963A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- bonding
- sheet
- adhesives
- plastic sheet
- 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
- Making Paper Articles (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Package Closures (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
(57)【要約】
【構成】 プラスチックシート１を貼り合わせるにあた
り、接着硬化時間の違った２種以上の接着剤を糊代部１
１に塗布して貼り合わせることを特徴とするシートの接
着方法。
【効果】 接着作業時には一つの接着剤により瞬時に接
着され、その後別の接着剤が硬化し、広い温度範囲にお
ける接着力保持が容易であり、特にプラスチックシート
１を用いて製造する透明ケース等の接着方法において
は、接着剤の透明性の要求、接着力保持の要求、加工時
の瞬間接着の要求等をすべて可能にした。
(57) [Summary] [Structure] When laminating the plastic sheets 1, two or more kinds of adhesives having different adhesive curing times are used for the adhesive margin portion 1.
1. A method for adhering a sheet, which comprises applying to 1 and pasting. [Effect] During the bonding work, one adhesive is used to instantly bond, and then another adhesive is cured, which makes it easy to maintain the adhesive strength in a wide temperature range. Particularly, in a transparent case manufactured using the plastic sheet 1 or the like. With regard to the bonding method, the requirements for transparency of the adhesive, the requirement for retaining the adhesive strength, the requirement for instant adhesion during processing, etc. have all been made possible.
Description
【０００１】[0001]
【産業上の利用分野】本発明はシート状またはフィルム
状のいわゆるプラスチックシートの接着方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for adhering a sheet-shaped or film-shaped so-called plastic sheet.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来プ
ラスチックシートを加工して透明な箱やケース、丸筒等
に加工する場合、プラスチックシートの端部を糊代と
し、糊代に接着剤を塗布して接着しているが、近年、使
用用途によっては、周囲の温度が−２０℃から＋８０℃
まで確実に接着されたケースや箱の要求が多くなってい
る。2. Description of the Related Art Conventionally, when a plastic sheet is processed into a transparent box, case, or round cylinder, the end of the plastic sheet is used as a glue margin, and an adhesive agent is used for the glue margin. It is applied and adhered, but in recent years, depending on the intended use, the ambient temperature is -20 to + 80 ° C.
There are increasing demands for cases and boxes that are securely bonded.
【０００３】特にポリエステルシート等は溶剤接着が不
向きな為ホットメルト接着剤で接着することが多いが、
一般的なホットメルト接着剤では常温では接着力がある
が低温では不足、高温では接着力が不足するが低温では
良好、等々の長所、短所がある。In particular, polyester sheets and the like are often unsuitable for solvent adhesion, and are often adhered by hot melt adhesives.
A general hot melt adhesive has adhesiveness at room temperature, but lacks at low temperature, and lacks adhesiveness at high temperature, but good at low temperature.
【０００４】また、近年は湿気硬化性ホットメルト型接
着剤が開発され−３０℃〜＋１００℃まで可能なものも
あるが、接着硬化時間がながく接着後数時間接着部を押
圧しておかないと剥れてしまう問題がある。In recent years, moisture-curable hot-melt adhesives have been developed and some of them can be heated to -30 ° C to + 100 ° C. However, the adhesive curing time is short and the bonded portion must be pressed for several hours after bonding. There is a problem of peeling.
【０００５】[0005]
【課題を解決するための手段】本発明は、接着時は短時
間で接着され、広範囲の温度条件の下で接着力を発揮で
きる接着方法を提供することを目的とするものであり、
その要旨はプラスチックシートを貼り合わせるにあた
り、接着硬化時間の違った２種以上の接着剤を糊代部に
塗布して貼り合わせることを特徴とするシートの接着方
法である。SUMMARY OF THE INVENTION It is an object of the present invention to provide a bonding method which can bond in a short time at the time of bonding and can exert an adhesive force under a wide range of temperature conditions.
The gist of the invention is a sheet bonding method, which is characterized in that, when bonding plastic sheets, two or more kinds of adhesives having different adhesive curing times are applied to the glue margins and bonded.
【０００６】本発明方法によれば接着硬化時間の違った
接着剤を塗布して接着するので、たとえば接着硬化後は
優れた接着性能を発揮するが、硬化に時間がかかる接着
剤Ａと、硬化時間は短いが接着性能に劣る接着剤Ｂとを
組み合わせて、接着剤Ａが強固な接着力を発揮できるま
でに必要な時間、接着剤Ｂにより固定することができ
る。According to the method of the present invention, since the adhesives having different adhesive curing times are applied and adhered, for example, the adhesive A exhibits excellent adhesive performance after the adhesive curing, but it takes a long time to cure, and the adhesive A and the curing. The adhesive B can be fixed for a time necessary for the adhesive A to exhibit a strong adhesive force by combining with the adhesive B having a short time but poor adhesive performance.
【０００７】また、接着力を発揮する温度範囲の異なる
接着剤をいくつか組み合わせて、それぞれの温度域を分
担させることにより全体として広い温度範囲において、
優れた接着力を発揮できる。[0007] Further, by combining several adhesives having different temperature ranges which exert the adhesive force and sharing the respective temperature ranges, a wide temperature range can be obtained as a whole.
It can exhibit excellent adhesive strength.
【０００８】接着硬化時間の違った接着剤としては、接
着硬化時間の短いものとしては、エチレン−酢酸ビニル
共重合体樹脂にスチレン−イソプレン共重合体樹脂を配
合したホットメルト接着剤などが使用でき、また接着硬
化時間の長いものとしてはウレタン系の反応性ホットメ
ルト接着剤などが使用できる。As the adhesives having different adhesive curing times, those having a short adhesive curing time can be used such as a hot melt adhesive obtained by blending an ethylene-vinyl acetate copolymer resin with a styrene-isoprene copolymer resin. Further, as a material having a long adhesive curing time, a urethane-based reactive hot melt adhesive or the like can be used.
【０００９】以下、添付した図面に基づき本発明の実施
例を説明する。図１は本発明のプラスチックシートの接
着方法を適用するプラスチックシートの一例を示す平面
図、図２は図１のプラスチックシートを接着する様子の
例を示す断面正面図である。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a plan view showing an example of a plastic sheet to which the plastic sheet adhering method of the present invention is applied, and FIG. 2 is a sectional front view showing an example of a state in which the plastic sheet shown in FIG. 1 is adhered.
【００１０】[0010]
【実施例】図１に示す様に、厚さ０．２５ｍｍの無定形
ポリエチレンテレフタレート樹脂からなるプラスチック
シート１に、折り曲げ罫線２を設け、その端部に糊代部
１１を設け、糊代部１１の内側に接着剤Ａ、外側に接着
剤Ｂを塗布して、図２に示すように、前記糊代部１１と
シート１の他端１２に重ね合わせて圧着し、圧着時間お
よび接着力を評価した。EXAMPLE As shown in FIG. 1, a fold line 2 is provided on a plastic sheet 1 made of amorphous polyethylene terephthalate resin having a thickness of 0.25 mm, and a margin portion 11 is provided at an end thereof, and a margin portion 11 is formed. The adhesive A is applied to the inner side and the adhesive B is applied to the outer side, and as shown in FIG. 2, the adhesive margin portion 11 and the other end 12 of the sheet 1 are overlapped and pressure-bonded, and the pressure-bonding time and the adhesive force are evaluated. did.
【００１１】（実施例１）図１に示す接着剤Ａとして湿
気反応性ウレタン系ホットメルト接着剤を用いた。この
接着剤Ａは完全硬化すれば、−３０℃〜＋１００℃とい
う広い温度範囲において優れた接着力をもっていてしか
も透明性の良いものであるが、硬化するのに３〜１０時
間を要するのでその間、重ね合わせた糊代部１１を押圧
する必要がある。Example 1 As the adhesive A shown in FIG. 1, a moisture reactive urethane hot melt adhesive was used. If this adhesive A is completely cured, it has excellent adhesive strength and good transparency in a wide temperature range of -30 ° C to + 100 ° C, but it takes 3 to 10 hours to cure, so during that time, It is necessary to press the overlapped margin portions 11 together.
【００１２】接着剤Ｂとしてポリエステル系の一般的な
ホットメルト接着剤を用いた。この接着剤は温度が約６
０℃以下に下がれば硬化するものであり、塗布して圧着
してから２秒間で実用的な接着力が得られる。しかし接
着力は最高でも剪断接着力が引張速度１０ｍｍ／分で１
ｃｍ幅当り１．５ｋｇと弱く、また、常温では接着され
ているが１０℃以下になると剥れる性質を持っている。As the adhesive B, a general polyester hot melt adhesive was used. This adhesive has a temperature of about 6
It cures when the temperature falls below 0 ° C., and a practical adhesive force is obtained within 2 seconds after application and pressure bonding. However, even if the adhesive strength is the highest, the shear adhesive strength is 1 at a tensile speed of 10 mm / min.
It has a weakness of 1.5 kg per cm width, and has a property of being adhered at room temperature but peeling off at 10 ° C. or less.
【００１３】塗布直後に図２に示すように接着した場
合、圧着時間を２秒とすれば１分後の接着強度は１．５
Ｋｇ／ｃｍ幅と接着剤Ｂが硬化するのに十分な強度とな
り、そのまま静置したところ、１０時間後には、接着強
度が８．７Ｋｇ／ｃｍ幅まで上昇した。In the case of bonding as shown in FIG. 2 immediately after coating, if the pressure bonding time is 2 seconds, the bonding strength after 1 minute is 1.5.
Kg / cm width and sufficient strength for curing the adhesive B, and when left as it was, the adhesive strength increased to 8.7 Kg / cm width after 10 hours.
【００１４】（実施例２）図１に示す接着剤Ａとして４
５℃以下の温度下では接着されるが、それ以上の高温に
なれば接着剤がとけて剥れるタイプ、すなわち接着硬化
時間が長いウレタン系のホットメルト接着剤を使用し、
接着剤Ｂとして４５℃以下になれば剥れてしまうが、高
温時は強く接着されるタイプの、すなわち接着硬化時間
が短いゴム系ホットメルト接着剤を使用して図２に示す
ように接着作業を実施した。(Example 2) As the adhesive A shown in FIG.
Uses a hot-melt adhesive of urethane type that adheres at a temperature of 5 ° C or lower, but melts and peels off at higher temperatures, that is, a urethane-based hot melt adhesive with a long adhesive curing time.
As the adhesive B, a rubber-based hot melt adhesive of a type that peels off at 45 ° C. or lower, but is strongly bonded at high temperatures, that is, a bonding and curing time is short, is used as shown in FIG. Was carried out.
【００１５】接着作業時は、いずれかの接着剤が硬化
し、接着されるので、接着硬化時間が長い接着剤Ａが接
着力を発揮できない、圧着時間がわずか２秒程度のまだ
冷えきらない状態でも接着硬化時間が短い接着剤Ｂが接
着力を発揮しはじめるので、圧着時間が極めて短時間で
済み、効率的な接着作業が行えるとともに、その後の接
着力も高温部を接着剤Ｂで、低温部を接着剤Ａで受け持
つので結果として広い温度範囲で優れた接着力を発揮で
きる。At the time of the bonding work, either of the adhesives is hardened and bonded, so that the adhesive A cannot exhibit its adhesive strength because the adhesive hardening time is long, and the pressure bonding time is only about 2 seconds and it is still cool. However, since the adhesive B that has a short adhesive curing time begins to exert its adhesive force, the pressure bonding time is extremely short, and efficient adhesive work can be performed. As a result, since the adhesive A is used as a carrier, excellent adhesive force can be exhibited in a wide temperature range.
【００１６】[0016]
【発明の効果】以上説明したように本発明は、プラスチ
ックシートを貼り合わせるにあたり、接着硬化時間の違
った２種以上の接着剤を糊代部に塗布して貼り合わせる
ことを特徴とするシートの接着方法であるので、接着作
業時には一つの接着剤により瞬時に接着され、その後別
の接着剤が硬化し、広い温度範囲における接着力保持が
容易であり、特にプラスチックシートを用いて製造する
透明ケース等の接着方法においては、接着剤の透明性の
要求、接着力保持の要求、加工時の瞬間接着の要求等を
すべて可能にした実用性のある発明である。As described above, according to the present invention, when laminating plastic sheets, two or more kinds of adhesives having different adhesive curing times are applied to the adhesive margin portion and laminated. Since it is a bonding method, it is instantly bonded with one adhesive during the bonding work, then another adhesive is cured, and it is easy to maintain the adhesive strength in a wide temperature range, especially the transparent case manufactured using a plastic sheet. In the bonding methods such as the above, the invention is a practical invention that enables all the requirements for the transparency of the adhesive, the requirements for retaining the adhesive strength, the requirements for instant bonding during processing, and the like.
【図１】本発明のプラスチックシートの接着方法を適用
するプラスチックシートの一例を示す平面図FIG. 1 is a plan view showing an example of a plastic sheet to which a plastic sheet bonding method of the present invention is applied.
【図２】図１のプラスチックシートを接着する様子の例
を示す断面正面図2 is a sectional front view showing an example in which the plastic sheet of FIG. 1 is bonded.
１ プラスチックシート １１ 糊代 Ａ，Ｂ 接着剤 1 Plastic sheet 11 Paste margin A, B Adhesive
Claims (1)
たり、接着硬化時間の違った２種以上の接着剤を糊代部
に塗布して貼り合わせることを特徴とするシートの接着
方法。1. A method for adhering sheets, wherein in adhering plastic sheets, two or more kinds of adhesives having different adhesive hardening times are applied to the margin portion and then adhered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24949693A JP3495065B2 (en) | 1993-10-05 | 1993-10-05 | Sheet bonding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24949693A JP3495065B2 (en) | 1993-10-05 | 1993-10-05 | Sheet bonding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07100963A true JPH07100963A (en) | 1995-04-18 |
| JP3495065B2 JP3495065B2 (en) | 2004-02-09 |
Family
ID=17193837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24949693A Expired - Fee Related JP3495065B2 (en) | 1993-10-05 | 1993-10-05 | Sheet bonding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3495065B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011525460A (en) * | 2008-06-26 | 2011-09-22 | フォッケ・ウント・コンパニー（ゲゼルシャフト・ミト・べシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト） | Packaging production method and device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4557665B2 (en) * | 2004-10-12 | 2010-10-06 | 株式会社新幸機械製作所 | Method and apparatus for gluing cardboard sheets |
| CN103847140B (en) * | 2014-01-03 | 2016-12-07 | 寿光市宁元包装制品有限公司 | A kind of paper tube docking machine |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142680A (en) * | 1974-10-04 | 1976-04-10 | Mankichi Yamamoto | |
| JPS5480419U (en) * | 1977-11-16 | 1979-06-07 | ||
| JPS55135026U (en) * | 1979-03-15 | 1980-09-25 | ||
| JPS6069615U (en) * | 1983-10-20 | 1985-05-17 | 村岡 耕一 | Gluing device for paper blank forming machine |
| JPS6332115U (en) * | 1986-08-13 | 1988-03-02 | ||
| JPS6361072A (en) * | 1986-09-01 | 1988-03-17 | Nordson Kk | Bonding method for blended type reactive hot-melt adhesive and bonded product thereof |
| JPS63243186A (en) * | 1987-03-30 | 1988-10-11 | Nitto Electric Ind Co Ltd | Hot-melt adhesive sheet |
| JPH0216180A (en) * | 1988-05-06 | 1990-01-19 | Emhart Ind Inc | Hot melt polyurethane adhesive composition |
| JPH02236837A (en) * | 1989-03-10 | 1990-09-19 | Mitsubishi Kasei Corp | Magneto-optical recording medium |
| JPH04284247A (en) * | 1991-03-14 | 1992-10-08 | Hirotake Kasuya | Manufacture of combination mask and combination mask |
| JPH05124637A (en) * | 1991-10-29 | 1993-05-21 | Sanki Sangyo Kk | Manufacture of packaging case |
-
1993
- 1993-10-05 JP JP24949693A patent/JP3495065B2/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142680A (en) * | 1974-10-04 | 1976-04-10 | Mankichi Yamamoto | |
| JPS5480419U (en) * | 1977-11-16 | 1979-06-07 | ||
| JPS55135026U (en) * | 1979-03-15 | 1980-09-25 | ||
| JPS6069615U (en) * | 1983-10-20 | 1985-05-17 | 村岡 耕一 | Gluing device for paper blank forming machine |
| JPS6332115U (en) * | 1986-08-13 | 1988-03-02 | ||
| JPS6361072A (en) * | 1986-09-01 | 1988-03-17 | Nordson Kk | Bonding method for blended type reactive hot-melt adhesive and bonded product thereof |
| JPS63243186A (en) * | 1987-03-30 | 1988-10-11 | Nitto Electric Ind Co Ltd | Hot-melt adhesive sheet |
| JPH0216180A (en) * | 1988-05-06 | 1990-01-19 | Emhart Ind Inc | Hot melt polyurethane adhesive composition |
| JPH02236837A (en) * | 1989-03-10 | 1990-09-19 | Mitsubishi Kasei Corp | Magneto-optical recording medium |
| JPH04284247A (en) * | 1991-03-14 | 1992-10-08 | Hirotake Kasuya | Manufacture of combination mask and combination mask |
| JPH05124637A (en) * | 1991-10-29 | 1993-05-21 | Sanki Sangyo Kk | Manufacture of packaging case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011525460A (en) * | 2008-06-26 | 2011-09-22 | フォッケ・ウント・コンパニー（ゲゼルシャフト・ミト・べシュレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシャフト） | Packaging production method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3495065B2 (en) | 2004-02-09 |
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