JPH045023A - Dry laminated film and method for lamination - Google Patents
Dry laminated film and method for laminationInfo
- Publication number
- JPH045023A JPH045023A JP10638490A JP10638490A JPH045023A JP H045023 A JPH045023 A JP H045023A JP 10638490 A JP10638490 A JP 10638490A JP 10638490 A JP10638490 A JP 10638490A JP H045023 A JPH045023 A JP H045023A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- film
- laminated film
- obtd
- roll
- 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
- 238000000034 method Methods 0.000 title claims description 15
- 238000003475 lamination Methods 0.000 title claims description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 75
- 239000000853 adhesive Substances 0.000 claims abstract description 74
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009820 dry lamination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229940104181 polyflex Drugs 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は既成のフィルムの積層方法に関し、特に通気性
フィルムを積層する場合にその通気性を損なわず、かつ
少量の接着剤を用いて同等の諸物性を得ることができる
積層方法に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for laminating existing films, and in particular, when laminating breathable films, the same method can be achieved without impairing the air permeability and using a small amount of adhesive. The present invention relates to a lamination method that can obtain various physical properties.
〔従来の技術］
近時、フィルムに関する諸物性の要請は次第に厳しくな
り、これら要請に応えるために２種以上のフィルムから
なる積層フィルムが多く使用されている。積層方法とし
ては、２種以上の樹脂を接着剤の存在下或いは非存在下
に共押出しする方法もあるが、すでにフィルムとなった
ものを接着剤を用いて貼合する、一般にドライラミネー
トと呼ばれる方法がある。この方法は一方のフィルムの
接着面全面に接着剤を塗布し、この上から他方の。[Prior Art] In recent years, demands on various physical properties of films have become increasingly strict, and in order to meet these demands, laminated films made of two or more types of films are often used. As a lamination method, there is a method of co-extruding two or more resins in the presence or absence of an adhesive, but it is generally called dry lamination, in which a film that has already been formed is bonded together using an adhesive. There is a way. In this method, adhesive is applied to the entire adhesive surface of one film, and then applied to the other film.
フィルムを押圧して貼合する方法である。接着剤塗布に
あたっては、例えば１４０メツシユ、深さ７５μ程度の
網目状セルを有するロールにより接着剤を一方のフィル
ムに全面に塗布していた。This is a method of laminating films by pressing them. In applying the adhesive, the adhesive was applied to the entire surface of one of the films using a roll having, for example, 140 mesh cells and a mesh cell depth of about 75 μm.
〔発明が解決しようとする課題］
従来のドライラミネートの方法は全面に接着剤を施すた
め、例えば不織布と通気性を付与するために多数の微小
な孔を設けたフィルムとを積層する場合に通気性が失わ
れる。そこで、各フィルムの通気性を残したまま積層す
る技術が求められていた。更に、接着剤を大量に消費す
るため製品に占める接着剤のコストが嵩み、少量の接着
剤を用いて好ましい接着強度を有する積層フィルムを得
る技術が求められていた。[Problems to be Solved by the Invention] Conventional dry lamination methods apply adhesive to the entire surface. Gender is lost. Therefore, there was a need for a technology to laminate each film while maintaining its breathability. Furthermore, since a large amount of adhesive is consumed, the cost of the adhesive in the product increases, and there has been a need for a technique for obtaining a laminated film with preferable adhesive strength using a small amount of adhesive.
〔課題解決の手段］
本発明は上記課題を解決することを目的とし、その構成
は、２種以上のフィルムが接着剤により貼合されている
積層フィルムにおいて、上記接着剤が点状に施され、各
接着剤の点と点との間に接着剤非塗布部位が存在するこ
とを特徴とする。[Means for Solving the Problems] The present invention aims to solve the above problems, and has a structure in which, in a laminated film in which two or more types of films are bonded together with an adhesive, the adhesive is applied in dots. , is characterized in that there is a non-adhesive area between each adhesive point.
本発明に用いるフィルムは、ポリエステル、リニアロー
デンシティポリエチレン（ＬＬＤＰＥ）、延伸ポリプロ
ピレン、ポリ塩化ビニリデン、ポリスチレンなどの合成
樹脂フィルムに限らず、アルミ箔、紙、不織布などフィ
ルム状のものはすべて包含する。積層するフィルムは単
層フィルムに限らず、すでに積層したフィルムにも適用
でき、本発明の方法を２回以上繰返して３層以上のフィ
ルムを得ることもできる。また、接着剤はこれらを接着
しうるものであれば特に限定はない。The film used in the present invention is not limited to synthetic resin films such as polyester, linear low density polyethylene (LLDPE), stretched polypropylene, polyvinylidene chloride, and polystyrene, but also includes all film-like materials such as aluminum foil, paper, and nonwoven fabric. The films to be laminated are not limited to single-layer films, but can also be applied to films that have already been laminated, and the method of the present invention can be repeated two or more times to obtain a film with three or more layers. Further, the adhesive is not particularly limited as long as it can bond these together.
接着剤を施す方法は、凹版印刷機に使用されるような微
小な窪み（セル）を全面に有するロールが好ましい。こ
のロールが接着剤層に浸漬したときセル内に接着剤が充
填される。次いでドクターブレードなどでセル以外の部
位の接着剤を除去し、フィルムに転写する。セルの径は
０．０５〜１ｍｍ、好ましくは０．１〜０．５ｍｍであ
る。セルの径が１ｍｍを越えると積層したフィルムにム
ラが生じ透明感が阻害される。ロール面上のセルの占め
る面積は１／２〜１１５０、好ましくは１／６〜１／２
０程度である。１／２以上では他方のフィルムを貼着し
たとき接着剤が全面に広がり、接着剤非塗布部位が残ら
ない。しかしこのような場合でも接着剤塗布量を半減す
る効果を有する。１１５０以下では接着強度が低下する
。As for the method of applying the adhesive, it is preferable to use a roll having minute depressions (cells) on the entire surface, such as those used in an intaglio printing press. When this roll is dipped into the adhesive layer, the cells are filled with adhesive. Next, the adhesive in areas other than the cells is removed using a doctor blade or the like, and the adhesive is transferred to a film. The diameter of the cell is 0.05-1 mm, preferably 0.1-0.5 mm. If the cell diameter exceeds 1 mm, the laminated films will become uneven and the transparency will be impaired. The area occupied by the cells on the roll surface is 1/2 to 1150, preferably 1/6 to 1/2
It is about 0. If it is 1/2 or more, the adhesive will spread over the entire surface when the other film is attached, and no adhesive-unapplied areas will remain. However, even in such a case, it has the effect of halving the amount of adhesive applied. If it is less than 1150, the adhesive strength decreases.
このように接着剤を点状に塗布したフィルムに他のフィ
ルムを貼合したものは、貼合の際の押圧により接着剤塗
布面積が３〜４倍に広がり、且つ、接着剤使用量は従来
技術の１１５〜１／２０であり、接着剤非塗布部位が残
存しているにも関わらず、従来技術による貼合と同等な
接着強度を示す。When other films are laminated to a film coated with adhesive dotted in this way, the pressure applied during lamination expands the adhesive application area by 3 to 4 times, and the amount of adhesive used is reduced compared to conventional films. The adhesive strength is 115 to 1/20 of that of the conventional technique, and the bonding strength is equivalent to that of the conventional bonding technique, even though there remain areas where no adhesive is applied.
本発明は微細な窪み（セル）を有するロールにより点状
に接着剤を施すことにより、接着剤が現実のセルの大き
さより面積にして３〜４倍に広がり、実質的接着面積を
増加している。従来の方法に比してより少量の接着剤塗
布量であっても、充分な厚みに塗布された部位が均一に
分散されているなら充分な接着強度を有することが判明
した。The present invention uses a roll having minute depressions (cells) to apply adhesive in dots, thereby spreading the adhesive to an area three to four times larger than the actual size of the cells, increasing the actual adhesive area. There is. It has been found that even if a smaller amount of adhesive is applied than in the conventional method, sufficient adhesive strength can be obtained if the areas where the adhesive is applied to a sufficient thickness are uniformly dispersed.
更に、接着剤が施されていない部位が存在してもそれが
均等かつ微細に分断されて存在しているならば、従来と
変わらぬ接着強度を有することが判明した。Furthermore, it has been found that even if there are areas to which no adhesive is applied, as long as they are evenly and finely divided, the adhesive strength remains the same as before.
（実施例１及び比較例１）
第１図は本発明により得られた積層フィルムの模式図、
第２図はロールの孔の大きさと間隔との関係を示す拡大
図、第３図は得られた積層フィルムの接着剤部位と接着
剤非塗布部位を示す拡大図である。(Example 1 and Comparative Example 1) FIG. 1 is a schematic diagram of a laminated film obtained by the present invention,
FIG. 2 is an enlarged view showing the relationship between the size and spacing of the holes in the roll, and FIG. 3 is an enlarged view showing the adhesive area and the non-adhesive area of the obtained laminated film.
第１フイルム１として、厚さ１５μの延伸ナイロンと第
２フイルム２として、厚さ３０μのＬＬＤＰＥフィルム
をポリウレタン系接着剤（商標名：アドコート、東洋モ
ートン味製）３を用いて貼合した。A stretched nylon film with a thickness of 15 μm was used as the first film 1, and an LLDPE film with a thickness of 30 μm was used as the second film 2 using a polyurethane adhesive (trade name: Adcoat, manufactured by Toyo Morton Flavor) 3.
第２図に示すような、径０．２ｍｍ、深さ９５μのセル
４を０．３８ｍｍの間隔を保って配列したロールを用い
て接着剤３を第１フイルム１に点状に塗布した。次いで
常法に従って、第２フイルム２を貼合した。得られた積
層フィルムは第３図に示すように押圧により接着剤３部
位が拡大した。５は接着剤非塗布部位である。接着剤３
の使用量は０．２８ｇ／ボであった。The adhesive 3 was dotted onto the first film 1 using a roll in which cells 4 having a diameter of 0.2 mm and a depth of 95 μm were arranged at an interval of 0.38 mm as shown in FIG. Next, the second film 2 was laminated according to a conventional method. As shown in FIG. 3, the resulting laminated film had three adhesive areas expanded by pressing. 5 is a region to which no adhesive is applied. adhesive 3
The amount used was 0.28 g/bo.
比較例１として、従来の１４０メツシユ、深さ７５μの
網目状セルを有するロールを用いる接着剤塗布方法によ
り、実施例１と同一のフィルム及び接着剤を用いて積層
フィルムを製造した。この場合には３．３〜３．５ｇ／
ｒｒｆの接着剤を消費した。As Comparative Example 1, a laminated film was manufactured using the same film and adhesive as in Example 1 by a conventional adhesive coating method using a roll having 140 meshes and 75 μm deep mesh cells. In this case, 3.3 to 3.5 g/
rrf adhesive was consumed.
得られた積層フィルムについて諸物性を試験し、その結
果を第１表に示した。なお、１０回試験を行い、それぞ
れの平均値を記載した。The obtained laminated film was tested for various physical properties, and the results are shown in Table 1. The test was conducted 10 times, and the average value of each test was recorded.
第 １ 表
※：シール強度の単位は、Ｋｇ／ １５ ｍｍ幅であり
、１４０．１５０及び１６０°Ｃでそれぞれ１秒間、１
ｋｇの圧力を加えて押圧したものに関し測定した。Table 1*: The unit of seal strength is Kg/15 mm width, 140, 150 and 160°C for 1 second each.
The measurement was performed on a product that was pressed with a pressure of kg.
第１表で明らかなように、本実施例においては従来技術
の約１／１０の接着剤使用量でほぼ同等の接着効果を得
ることができた。As is clear from Table 1, in this example, almost the same adhesive effect could be obtained with about 1/10 the amount of adhesive used in the prior art.
（実施例２及び比較例２）
第１フイルムｌとして、目付２０ ｇ／ｒｒ？のポリオ
レフィン系不織布（旭化成工業■製）を、第２フイルム
２として、目付２０ｇ／％の純白紙を用いた以外は実施
例１と同様にして接着剤を点状に塗布して両フィルムを
接着した。得られた積層フィルム及び積層前の各フィル
ムの透気度をＪＩＳ Ｐ８１１７にしたがって測定し、
その結果を第２表に示した。各データは１０回試験後の
平均である。(Example 2 and Comparative Example 2) As the first film l, the basis weight is 20 g/rr? A polyolefin nonwoven fabric (manufactured by Asahi Kasei Kogyo ■) was used as the second film 2, and the adhesive was applied dotted in the same manner as in Example 1 except that pure white paper with a basis weight of 20 g/% was used to bond both films together. did. The air permeability of the obtained laminated film and each film before lamination was measured according to JIS P8117,
The results are shown in Table 2. Each data is the average after 10 tests.
別に、実施例２のフィルムを用い、比較例１と同様にし
て全面に接着剤を３ｇ／ｒｄの割りで施し、実施例２と
同様にして透気度を測定し第２表に併記した。第２表か
ら明らかなように、本実施例によれば通気性フィルムを
通気性を残した状態で積層することができた。Separately, using the film of Example 2, adhesive was applied to the entire surface at a rate of 3 g/rd in the same manner as in Comparative Example 1, and the air permeability was measured in the same manner as in Example 2 and is also listed in Table 2. As is clear from Table 2, according to this example, the breathable films could be laminated while maintaining breathability.
（以下余白）
第
表
着剤塗布部位と接着剤非塗布部位の関係を示す拡大図で
ある。(The following is a margin) It is an enlarged view showing the relationship between the first surface adhesive application area and the adhesive non-application area.
図面中、符号
１は第１フイルム、２は第２フイルム、３は接着剤、４
はセル、５は接着剤非塗布部位である。In the drawings, reference numeral 1 indicates a first film, 2 indicates a second film, 3 indicates an adhesive, and 4
5 is a cell, and 5 is an area to which no adhesive is applied.
［発明の効果〕
本発明により、オーダーの異なる程少量の接着剤を使用
して、従来技術と同等の効果を得ることができる。しか
も、２層以上の通気性フィルムの通気性を保持したまま
強固に貼合することかでゞる。[Effects of the Invention] According to the present invention, the same effect as the conventional technology can be obtained by using a smaller amount of adhesive for different orders. Furthermore, it is possible to firmly bond two or more layers of breathable films while maintaining their breathability.
図面は本発明の実施例を示し、第１図は得られた積層フ
ィルムの模式図、第２図はロールの孔の大きさと間隔と
の関係を示す拡大図、第３図は第２図のロールを用いて
得られた積層フィルムの接特許出願人 旭化成ポリフレ
ックス株式会社代理人 弁理士 鈴 木 定 子
第２図
第３図
手 続 補 正 書
平成３年３月７
日The drawings show examples of the present invention; FIG. 1 is a schematic diagram of the obtained laminated film, FIG. 2 is an enlarged view showing the relationship between the size and spacing of the holes in the roll, and FIG. Patent applicant for a laminated film obtained using a roll Asahi Kasei Polyflex Co., Ltd. Agent Patent attorney Sadako Suzuki Figure 2 Figure 3 Procedures Amendment Letter March 7, 1991
Claims (2)
る積層フィルムにおいて、上記接着剤が点状に施され、
各接着剤の点と点との間に接着剤非塗布部位が存在する
ことを特徴とする乾式積層フィルム。(1) In a laminated film in which two or more types of films are bonded together with an adhesive, the adhesive is applied in dots,
A dry laminated film characterized in that adhesive-free areas exist between each adhesive point.
するにあたり、一方のフィルムに接着剤を微細な窪みを
有するロールを用いて点状に施し、他方のフィルムを貼
合、押圧することを特徴とする乾式積層フィルムの積層
方法。(2) When laminating two or more films together using an adhesive, it is recommended to apply the adhesive in dots to one film using a roll with minute depressions, and then bond and press the other film. Characteristic dry laminated film lamination method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2106384A JPH0739141B2 (en) | 1990-04-24 | 1990-04-24 | Dry laminated film and laminating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2106384A JPH0739141B2 (en) | 1990-04-24 | 1990-04-24 | Dry laminated film and laminating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045023A true JPH045023A (en) | 1992-01-09 |
| JPH0739141B2 JPH0739141B2 (en) | 1995-05-01 |
Family
ID=14432213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2106384A Expired - Fee Related JPH0739141B2 (en) | 1990-04-24 | 1990-04-24 | Dry laminated film and laminating method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739141B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6168255B1 (en) | 1995-06-07 | 2001-01-02 | Citizen Watch Co., Ltd. | Ink jet head method of production thereof, and jig for producing ink jet head |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060059852A1 (en) * | 2004-09-23 | 2006-03-23 | Certainteed Corporation | Laminated building materials |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116843A (en) * | 1975-04-04 | 1976-10-14 | Matsushita Electric Works Ltd | Applicator of adhesives for laying plastic tiles |
| JPS5221161U (en) * | 1975-08-04 | 1977-02-15 | ||
| JPS5221160U (en) * | 1975-08-04 | 1977-02-15 | ||
| JPS5222470U (en) * | 1975-08-04 | 1977-02-17 | ||
| JPS5316836A (en) * | 1976-07-30 | 1978-02-16 | Shin Kobe Electric Machinery | Method of producing battery separator |
| JPS58208048A (en) * | 1982-05-31 | 1983-12-03 | 株式会社日立製作所 | Manufacture of polyester film laminate |
| JPS6216412U (en) * | 1985-07-13 | 1987-01-31 | ||
| JPS62202730A (en) * | 1986-03-04 | 1987-09-07 | 旭化成株式会社 | Waterproof and moisture permeable cloth-shaped article |
-
1990
- 1990-04-24 JP JP2106384A patent/JPH0739141B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116843A (en) * | 1975-04-04 | 1976-10-14 | Matsushita Electric Works Ltd | Applicator of adhesives for laying plastic tiles |
| JPS5221161U (en) * | 1975-08-04 | 1977-02-15 | ||
| JPS5221160U (en) * | 1975-08-04 | 1977-02-15 | ||
| JPS5222470U (en) * | 1975-08-04 | 1977-02-17 | ||
| JPS5316836A (en) * | 1976-07-30 | 1978-02-16 | Shin Kobe Electric Machinery | Method of producing battery separator |
| JPS58208048A (en) * | 1982-05-31 | 1983-12-03 | 株式会社日立製作所 | Manufacture of polyester film laminate |
| JPS6216412U (en) * | 1985-07-13 | 1987-01-31 | ||
| JPS62202730A (en) * | 1986-03-04 | 1987-09-07 | 旭化成株式会社 | Waterproof and moisture permeable cloth-shaped article |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6168255B1 (en) | 1995-06-07 | 2001-01-02 | Citizen Watch Co., Ltd. | Ink jet head method of production thereof, and jig for producing ink jet head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739141B2 (en) | 1995-05-01 |
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