JPS6226428Y2 - - Google Patents
Info
- Publication number
- JPS6226428Y2 JPS6226428Y2 JP13019283U JP13019283U JPS6226428Y2 JP S6226428 Y2 JPS6226428 Y2 JP S6226428Y2 JP 13019283 U JP13019283 U JP 13019283U JP 13019283 U JP13019283 U JP 13019283U JP S6226428 Y2 JPS6226428 Y2 JP S6226428Y2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- sensitive adhesive
- base material
- layer
- polyvinyl chloride
- 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
Links
- 239000000463 material Substances 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 29
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 28
- 239000004800 polyvinyl chloride Substances 0.000 claims description 13
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 13
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 3
- -1 polypropylene Polymers 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 10
- 239000000806 elastomer Substances 0.000 description 10
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
【考案の詳細な説明】
本考案は感圧接着シート材料に関する。さらに
詳しくは、たとえば自動車の外板に貼着してエン
ブレム類などとして使用される感圧接着シート材
料に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to pressure sensitive adhesive sheet materials. More specifically, the present invention relates to a pressure-sensitive adhesive sheet material that is used as an emblem by being attached to the outer panel of an automobile, for example.
近時、自動車においては需要者の意匠面のニー
ズを満足せしめるために前記のごとき外装エンブ
レム類の使用が拡大している。従来における一般
的な方法としては樹脂成形品を両面接着テープで
貼着する方法が採用されている。しかしこの方法
では樹脂成形品を用いるのでコスト的に不利であ
る。 In recent years, the use of exterior emblems such as those described above has been expanding in automobiles in order to satisfy the design needs of consumers. A conventional and common method is to adhere resin molded products with double-sided adhesive tape. However, since this method uses a resin molded product, it is disadvantageous in terms of cost.
そこで基材として軟質ポリ塩化ビニルシートを
用い、その片面に印刷を施し、他面に感圧接着剤
層を設けてなる感圧接着シート材料を用い、これ
を自動車の外板に貼着してエンブレム類とするこ
とが行なわれている。 Therefore, we used a pressure-sensitive adhesive sheet material consisting of a soft polyvinyl chloride sheet as a base material, printed on one side and a pressure-sensitive adhesive layer on the other side, and attached this to the outer panel of the car. It is being used as an emblem.
しかしこのシート材料においては基材に用いる
軟質ポリ塩化ビニルシート中の可塑剤が感圧接着
剤層中に移行し、良好な接着性がえられず、割裂
現象を起こすという問題がある。とくに洗車時に
高圧水を噴射するとこの割裂現象が起こりやす
い。 However, this sheet material has a problem in that the plasticizer in the flexible polyvinyl chloride sheet used as the base material migrates into the pressure-sensitive adhesive layer, making it impossible to obtain good adhesion and causing a splitting phenomenon. This splitting phenomenon is particularly likely to occur when high-pressure water is sprayed during car washing.
この割裂現象を防止するため、基材にポリ塩化
ビニルとポリプロピレン系エラストマーとのブレ
ンド物からなるシートを用いる感圧接着シート材
料が提案されている。しかし、エンブレム類に使
用するためには基材として0.5〜１mmと比較的厚
いものを用いなければならず、しかも基材中に占
めるポリプロピレン系エラストマーの割合が７〜
８割と高いため、高価なポリプロピレン系エラス
トマーの使用量が多く、そのため軟質ポリ塩化ビ
ニルシートを基材として用いるものにくらべてコ
スト高になるという問題がある。 In order to prevent this splitting phenomenon, a pressure-sensitive adhesive sheet material has been proposed that uses a sheet made of a blend of polyvinyl chloride and polypropylene elastomer as a base material. However, in order to use it for emblems, it is necessary to use a relatively thick base material of 0.5 to 1 mm, and the proportion of polypropylene elastomer in the base material is 7 to 1 mm.
Since it is as high as 80%, a large amount of expensive polypropylene-based elastomer is used, which poses a problem in that the cost is higher than when a soft polyvinyl chloride sheet is used as the base material.
本考案は前記の点に鑑みて、自動車の外板など
に貼着したばあいに割裂現象を生じずかつ安価な
感圧接着シート材料を提供するにある。 The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide an inexpensive pressure-sensitive adhesive sheet material that does not cause splitting when attached to the outer panel of an automobile.
すなわち本考案は、ポリ塩化ビニルと熱可塑性
エラストマーとのブレンド物からなる基材の片面
に印刷を施し、他面に感圧接着剤層を設けてなる
感圧接着シート材料であつて、前記基材の少なく
とも中間層が発泡されてなることを特徴とする感
圧接着シート材料に関する。 That is, the present invention is a pressure-sensitive adhesive sheet material comprising a base material made of a blend of polyvinyl chloride and a thermoplastic elastomer, printed on one side and provided with a pressure-sensitive adhesive layer on the other side. The present invention relates to a pressure-sensitive adhesive sheet material characterized in that at least the middle layer of the material is foamed.
つぎに図面にもとづいて本考案を説明する。 Next, the present invention will be explained based on the drawings.
第１図は本考案の感圧接着シート材料の一実施
例を示す概略断面図である。第１図において、１
はポリ塩化ビニルと熱可塑性エラストマーとのブ
レンド物からなる基材であり、その片面には印刷
３が施こされ、印刷３はトツプコート層４により
保護されている。基材１の他面には感圧接着剤層
５が設けられている。そして基材１は印刷３およ
び感圧接着剤層５との界面層を除く中間層が発泡
されて発泡層２を形成している。 FIG. 1 is a schematic cross-sectional view showing one embodiment of the pressure-sensitive adhesive sheet material of the present invention. In Figure 1, 1
is a base material made of a blend of polyvinyl chloride and a thermoplastic elastomer, on one side of which a print 3 is applied, and the print 3 is protected by a top coat layer 4. A pressure sensitive adhesive layer 5 is provided on the other surface of the base material 1. The intermediate layer of the base material 1 except for the interface layer with the printing 3 and the pressure-sensitive adhesive layer 5 is foamed to form a foamed layer 2.
本考案の前記構成によるときは、基材１がポリ
塩化ビニルと熱可塑性エラストマーとのブレンド
物で構成されているから、従来の軟質ポリ塩化ビ
ニル基材を用いるばあいのごとく可塑剤が感圧接
着剤層中に移行して接着性を損なう惧れがなく、
したがつて自動車のエンブレム類などとして使用
するばあいにおいても洗車時などにおいて割裂現
象を生じる惧れがない。 According to the above structure of the present invention, since the base material 1 is composed of a blend of polyvinyl chloride and a thermoplastic elastomer, the plasticizer is used for pressure-sensitive adhesive bonding as in the case of using a conventional soft polyvinyl chloride base material. There is no risk of it migrating into the agent layer and impairing adhesion.
Therefore, when used as automobile emblems, etc., there is no risk of splitting during car washing.
また前記基材１において中間層２を発泡させて
いるから、従来のポリ塩化ビニルとポリプロピレ
ン系エラストマーとのブレンド物を単にそのまま
用いるばあいにくらべて、ポリプロピレン系エラ
ストマーなど高価な熱可塑性エラストマーの使用
量を低減でき、コストの低下が図られている。 Furthermore, since the intermediate layer 2 in the base material 1 is foamed, it is possible to use an expensive thermoplastic elastomer such as a polypropylene elastomer, compared to the case where a conventional blend of polyvinyl chloride and a polypropylene elastomer is simply used as is. The amount can be reduced and costs can be lowered.
さらに基材１の中間層２は発泡されているか
ら、感触がソフトであるという利点がある。 Furthermore, since the intermediate layer 2 of the base material 1 is foamed, it has the advantage of being soft to the touch.
本考案における基材１はポリ塩化ビニルと熱可
塑性エラストマーとのブレンド物からなるもので
ある。熱可塑性エラストマーとしてはポリプロピ
レンとポリエチレン、EPRなどとの共重合物で
あるポリプロピレン系エラストマー、ポリエステ
ルとポリエーテルとの共重合物であるポリエステ
ル系エラストマー、ポリスチレンとポリエチレ
ン、ポリブタジエンなどとの共重合物であるポリ
スチレン系エラストマーなどがあげられる。ポリ
塩化ビニルと熱可塑性エラストマーとの混合割合
は重量比で２：８〜３：７の範囲が好ましい。ポ
リ塩化ビニルの割合が前記範囲より少ないと、ポ
リプロピレン系エラストマーなどの非接着性エス
トラマーなどにおいて感圧接着剤層５との密着不
良を起こすばあいがあり、前記範囲より多いと可
塑剤の移行による接着不良、割裂現象を惹起する
惧れがある。 The base material 1 in the present invention is made of a blend of polyvinyl chloride and a thermoplastic elastomer. Thermoplastic elastomers include polypropylene elastomers, which are copolymers of polypropylene and polyethylene, EPR, etc., polyester elastomers, which are copolymers of polyester and polyether, and copolymers of polystyrene, polyethylene, polybutadiene, etc. Examples include polystyrene elastomers. The mixing ratio of polyvinyl chloride and thermoplastic elastomer is preferably in the range of 2:8 to 3:7 by weight. If the proportion of polyvinyl chloride is less than the above range, poor adhesion with the pressure sensitive adhesive layer 5 may occur in non-adhesive elastomers such as polypropylene elastomers, and if it is greater than the above range, plasticizer migration may occur. There is a risk of causing poor adhesion and splitting phenomenon.
基材１は印刷３および感圧接着剤層５との界面
層を除く中間層２のみを独立発泡したものが好ま
しい。そのばあい界面層は平滑であるから印刷
３、感圧接着剤層５との間の密着性が良好とな
る。かかる中間層２のみの発泡はシート状に圧延
する際ロール表面の温度を低目にコントロールし
て表面に非発泡層を形成することによつて達成さ
れる。中間層２の発泡倍率は通常２〜３倍とされ
る。基材１の厚さは通常0.5〜１mm程度である。 The base material 1 is preferably one in which only the intermediate layer 2 excluding the interfacial layer with the printing 3 and the pressure-sensitive adhesive layer 5 is foamed independently. In this case, since the interface layer is smooth, the adhesion between the printing 3 and the pressure-sensitive adhesive layer 5 is good. Foaming of only the intermediate layer 2 is achieved by controlling the temperature of the roll surface to a low level during rolling into a sheet to form a non-foamed layer on the surface. The foaming ratio of the intermediate layer 2 is usually 2 to 3 times. The thickness of the base material 1 is usually about 0.5 to 1 mm.
基材１の片面には使用目的に応じて適宜の印刷
３が施され、印刷３のうえには通常それを保護す
るためにウレタン樹脂、アクリル樹脂などの適宜
の樹脂で透明なトツプコート層４が形成される。 Appropriate printing 3 is applied to one side of the base material 1 according to the purpose of use, and a transparent top coat layer 4 made of an appropriate resin such as urethane resin or acrylic resin is usually applied on top of the printing 3 to protect it. It is formed.
基材１の他面には感圧接着剤層５が設けられ
る。本考案にいう感圧接着剤とは通常の感圧接着
剤と感圧粘着剤との両方を含む概念であり、とく
に感圧接着剤が好ましい。かかる感圧接着剤とし
てはたとえばアクリル系接着剤、イソプレンゴム
系接着剤などを主剤とするものがあげられる。 A pressure sensitive adhesive layer 5 is provided on the other surface of the base material 1 . The pressure-sensitive adhesive referred to in the present invention is a concept that includes both ordinary pressure-sensitive adhesives and pressure-sensitive adhesives, and pressure-sensitive adhesives are particularly preferred. Examples of such pressure-sensitive adhesives include those based on acrylic adhesives, isoprene rubber adhesives, and the like.
本考案のシート材料は自動車の外板に貼着して
エンブレム類として使用されるほか、ガーニツシ
ユ類、耐チツピングシート類などとしても好適に
使用される。 The sheet material of the present invention is used as emblems by being attached to the outer panels of automobiles, and is also suitably used as garnishes, chipping-resistant sheets, etc.
第１図は本考案の感圧接着シート材料の概略断
面図である。
図面の符号、１……基材、２……中間発泡層、
３……印刷、４……トツプコート層、５……感圧
接着剤層。
FIG. 1 is a schematic cross-sectional view of the pressure-sensitive adhesive sheet material of the present invention. Reference numbers in the drawings: 1...base material, 2...middle foam layer,
3...Printing, 4...Top coat layer, 5...Pressure sensitive adhesive layer.
Claims (1)
レンド物からなる基材の片面に印刷を施し、他面
に感圧接着剤層を設けてなる感圧接着シート材料
であつて、前記基材の少なくとも中間層が発泡さ
れてなることを特徴とする感圧接着シート材料。 A pressure-sensitive adhesive sheet material comprising a base material made of a blend of polyvinyl chloride and a thermoplastic elastomer, printed on one side and provided with a pressure-sensitive adhesive layer on the other side, the material comprising at least an intermediate layer of the base material. A pressure-sensitive adhesive sheet material characterized by being formed by foaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983130192U JPS6037047U (en) | 1983-08-22 | 1983-08-22 | pressure sensitive adhesive sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983130192U JPS6037047U (en) | 1983-08-22 | 1983-08-22 | pressure sensitive adhesive sheet material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6037047U JPS6037047U (en) | 1985-03-14 |
| JPS6226428Y2 true JPS6226428Y2 (en) | 1987-07-07 |
Family
ID=30294750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983130192U Granted JPS6037047U (en) | 1983-08-22 | 1983-08-22 | pressure sensitive adhesive sheet material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037047U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7131769B2 (en) * | 2018-09-18 | 2022-09-06 | 株式会社東海理化電機製作所 | emblem |
-
1983
- 1983-08-22 JP JP1983130192U patent/JPS6037047U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6037047U (en) | 1985-03-14 |
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