JPH10226771A - Pvc adhesive tape - Google Patents
Pvc adhesive tapeInfo
- Publication number
- JPH10226771A JPH10226771A JP3227297A JP3227297A JPH10226771A JP H10226771 A JPH10226771 A JP H10226771A JP 3227297 A JP3227297 A JP 3227297A JP 3227297 A JP3227297 A JP 3227297A JP H10226771 A JPH10226771 A JP H10226771A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- pvc
- tape
- copolymer
- adhesive tape
- 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.)
- Pending
Links
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＰＶＣ粘着テープ
に関し、特に、ＰＶＣ（ポリ塩化ビニル）を基材とした
粘着剤の改善に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure-sensitive adhesive (PVC) tape, and more particularly to an improvement in a pressure-sensitive adhesive based on PVC (polyvinyl chloride).
【０００２】[0002]
【従来の技術】自動車用電線の集束や保護を目的として
ＰＶＣ粘着テープ（以下、単に「テープ」ともいう）が
使われる。テープの粘着剤には、一般にベースとして
（天然ゴム／ＳＢＲ）混合系、タッキファイヤーとし
て、ロジンエステル樹脂、テルペン樹脂、脂肪族系、芳
香族系の炭化水素樹脂、軟化剤として低分子量のイソプ
レンゴム（ＩＲ）、ポリイソブチレン、酸化防止剤とし
て、フェノール系酸化防止剤が用いられる。天然ゴム／
ＳＢＲ系粘着剤は、テープ基材（ＰＶＣフィルム）から
の可塑剤の移行により粘着力の低下を生ずることから、
糊厚（粘着剤層の厚み）を厚く設定し、粘着力を確保し
ている。糊厚が厚い為、保管中にテレスコープ現象（巻
装したテープの中央がせり上がり、わん状に変形する現
象）を生じたり、テープ側面から糊がはみ出しべたつく
といった問題があった。2. Description of the Related Art PVC adhesive tapes (hereinafter, also simply referred to as "tapes") are used for the purpose of focusing and protecting automobile electric wires. Tape adhesives generally include (natural rubber / SBR) mixed systems as bases, rosin ester resins, terpene resins, aliphatic and aromatic hydrocarbon resins as tackifiers, and low molecular weight isoprene rubber as softeners. (IR), polyisobutylene, and a phenolic antioxidant are used as antioxidants. Natural rubber /
Since the SBR-based adhesive causes a decrease in the adhesive strength due to the migration of the plasticizer from the tape substrate (PVC film),
The adhesive thickness (thickness of the pressure-sensitive adhesive layer) is set to be large to secure the adhesive strength. Due to the large thickness of the glue, there have been problems such as a telescope phenomenon (a phenomenon in which the center of the wound tape is raised and deformed in a bowl shape) during storage and the glue sticks out from the side of the tape and sticks.
【０００３】[0003]
【発明が解決しようとする課題】本発明は上記問題に鑑
み成されたもので、テレスコープ現象やテープ側面から
の糊のはみ出しを生じにくいＰＶＣ粘着テープを提供す
ることを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a PVC adhesive tape which is less likely to cause a telescope phenomenon or adhesive to protrude from the side of the tape.
【０００４】[0004]
【課題を解決するための手段】本発明の目的は、ＰＶＣ
を主体とする樹脂組成物からなるテープ基材上に粘着剤
を粘着剤を担持させてなるＰＶＣ粘着テープにおいて、
該粘着剤は２−エチルヘキシルアクリレートと、スチレ
ン、アクリロニトリルおよびブチルアクリレートからな
る群から選択された少なくとも１種の単量体との共重合
体からなることを特徴とするＰＶＣ粘着テープにより達
成できる。SUMMARY OF THE INVENTION An object of the present invention is to provide a PVC.
In a PVC adhesive tape obtained by supporting an adhesive on a tape base composed of a resin composition mainly comprising:
The pressure-sensitive adhesive can be achieved by a PVC pressure-sensitive adhesive tape comprising a copolymer of 2-ethylhexyl acrylate and at least one monomer selected from the group consisting of styrene, acrylonitrile and butyl acrylate.
【０００５】本発明のＰＶＣ粘着テープはＰＶＣを主体
とする樹脂組成物（以下、ＰＶＣ組成物という）からな
るテープ基材上に粘着剤として特定組成のアクリル系共
重合体を用いたことを特徴とするもので、従来の天然ゴ
ム／ＳＢＲ系粘着剤に比べて糊厚が薄くても充分な粘着
力が確保でき、且つテレスコープ現象やテープ側面から
の糊のはみ出しの発生を抑制することができる。[0005] The PVC adhesive tape of the present invention is characterized in that an acrylic copolymer of a specific composition is used as an adhesive on a tape base composed of a resin composition mainly composed of PVC (hereinafter, referred to as a PVC composition). As compared with the conventional natural rubber / SBR-based adhesive, sufficient adhesive force can be secured even if the adhesive thickness is thin, and the occurrence of telescope phenomenon and the protrusion of adhesive from the tape side surface can be suppressed. it can.
【０００６】本発明に用いられる粘着剤は、２−エチル
ヘキシルアクリレート（以下、「２ＥｔＨＡ」とも記
す）、スチレン（以下、「Ｓｔ」とも記す）、アクリロ
ニトリル（以下、「ＡＮ」とも記す）およびブチルアク
リレート（以下、「ＢＡ」とも記す）からなる群から選
択された少なくとも１種の単量体との共重合体からなる
ものであり、１種以上の共重合体から構成される。共重
合体は水性エマルジョンの形態が好ましく、粘着剤の固
形分は５０％程度が好ましい。The adhesive used in the present invention includes 2-ethylhexyl acrylate (hereinafter, also referred to as "2EtHA"), styrene (hereinafter, also referred to as "St"), acrylonitrile (hereinafter, also referred to as "AN"), and butyl acrylate. (Hereinafter, also referred to as “BA”), comprising a copolymer with at least one type of monomer selected from the group consisting of: The copolymer is preferably in the form of an aqueous emulsion, and the solid content of the pressure-sensitive adhesive is preferably about 50%.
【０００７】該共重合体としては、２ＥｔＨＡ／Ｓｔ／
ＡＮ共重合体、２ＥｔＨＡ／ＢＡ共重合体が好ましく、
これらの組合せを粘着剤として用いることが好ましい。
２ＥｔＨＡ／Ｓｔ／ＡＮ共重合体の組成は、この記載順
にモル比で７５〜５０／２０〜４０／５〜１０が好まし
い。２ＥｔＨＡ／ＢＡ共重合体の組成は、前記と同様に
モル比で５０〜７０／５０〜３０が好ましい。The copolymer includes 2EtHA / St /
AN copolymer, 2EtHA / BA copolymer is preferred,
It is preferable to use these combinations as an adhesive.
The composition of the 2EtHA / St / AN copolymer is preferably from 75 to 50/20 to 40/5 to 10 in a molar ratio in this order. The composition of the 2EtHA / BA copolymer is preferably 50 to 70/50 to 30 in a molar ratio as described above.
【０００８】粘着剤として、２ＥｔＨＡ／Ｓｔ／ＡＮ共
重合体と２ＥｔＨＡ／ＢＡ共重合体を併用する場合は、
前者１００重量部に対して後者を９０〜１３５重量部用
いることが好ましい。前者は、耐可塑剤性に優れるＡ
Ｎ、硬さを付加する為のＳｔが共重合されており、耐ク
リープ性に優れる。後者は粘接着性に優れるので、糊厚
を天然ゴム／ＳＢＲ系粘着剤よりも糊厚を薄く設定でき
る。従って、特に両者を組み合わせると糊厚が薄くても
粘着力が強く、かつテープ側面からの粘着剤のはみ出し
やテレスコープ現象を極めて効果的に防止できる。本発
明において、糊厚（粘着剤の厚み）は、１２〜１５μｍ
が好ましい。When a 2EtHA / St / AN copolymer and a 2EtHA / BA copolymer are used in combination as an adhesive,
It is preferable to use 90 to 135 parts by weight of the latter with respect to 100 parts by weight of the former. The former is A, which has excellent plasticizer resistance.
N and St for imparting hardness are copolymerized and have excellent creep resistance. Since the latter has excellent adhesive properties, the adhesive thickness can be set to be smaller than that of the natural rubber / SBR adhesive. Therefore, especially when both are combined, the adhesive force is strong even if the adhesive thickness is thin, and the sticking out of the adhesive from the tape side surface and the telescopic phenomenon can be prevented very effectively. In the present invention, the adhesive thickness (thickness of the adhesive) is 12 to 15 μm
Is preferred.
【０００９】本発明のテープ基材であるＰＶＣ組成物は
ＰＶＣの他、通常、可塑剤、安定剤、充填剤等を含み得
る。ＰＶＣ組成物は、ポリ塩化ビニル１００重量部に対
し、可塑剤４０〜７０重量部、安定剤２〜６重量部、充
填剤０〜１０重量部を含むことが好ましい。本発明のＰ
ＶＣ組成物に使用されるＰＶＣ、可塑剤、安定剤、充填
材等としては、従来公知の以下に例示するものが挙げら
れる。ＰＶＣとしては、通常、平均重合度ｐ＝８００〜
２０００のものが挙げられる。[0009] The PVC composition as the tape substrate of the present invention may generally contain, in addition to PVC, a plasticizer, a stabilizer, a filler and the like. The PVC composition preferably contains 40 to 70 parts by weight of a plasticizer, 2 to 6 parts by weight of a stabilizer, and 0 to 10 parts by weight of a filler based on 100 parts by weight of polyvinyl chloride. P of the present invention
Examples of the PVC, plasticizer, stabilizer, filler, and the like used in the VC composition include those conventionally known below. As PVC, usually, the average degree of polymerization p = 800 to
2000.
【００１０】可塑剤としては、フタル酸エステル系｛例
えば、ジオクチルフタレート（ＤＯＰ）、ジイソノニル
フタレート（ＤＩＮＰ）、ジイソデシルフタレート（Ｄ
ＩＤＰ）、ジウンデシルフタレート（ＤＵＰ）等｝、ト
リメリット酸エステル系｛例えば、トリオクチルトリメ
リテート（ＴＯＴＭ）、トリノルマルオクチルトリメリ
テート（ＴｎＯＴＭ）等｝、ポリエステル系等の高分子
量可塑剤、例えば、アジピン酸系ポリエステル〔商品
名：ＰＮ−３５０（旭電化（株）製）、ＰＮ−２５０
（旭電化（株）製）等〕）、エポキシ系（例えば、エポ
キシ化大豆油、エポキシ化アマニ油〔商品名：Ｏ−１３
０Ｐ（旭電化（株）製）、Ｏ−１８０Ａ（旭電化（株）
製）等〕）等が挙げられる。Examples of the plasticizer include phthalic acid esters such as dioctyl phthalate (DOP), diisononyl phthalate (DINP), and diisodecyl phthalate (D
IDP), diundecyl phthalate (DUP), etc., trimellitate esters {eg, trioctyl trimellitate (TOTM), trinormal octyl trimellitate (TnOTM), etc.), high molecular weight plasticizers such as polyesters, For example, adipic acid-based polyester [trade name: PN-350 (manufactured by Asahi Denka Co., Ltd.), PN-250]
(Manufactured by Asahi Denka Co., Ltd.)]), epoxy type (for example, epoxidized soybean oil, epoxidized linseed oil [trade name: O-13]
0P (made by Asahi Denka Co., Ltd.), O-180A (Asahi Denka Co., Ltd.)
And the like))).
【００１１】安定剤としては、Ｐｂ系（例えば、ステア
リン酸鉛）、Ｂａ−Ｚｎ系（例えば、商品名：ＭＡＲＫ
ＲＡＰ−１４（旭電化（株）製）、ＭＡＲＫ ＡＣ−
１８６（旭電化（株）製）等〕）、Ｃａ−Ｚｎ系（例え
ば、〔商品名：ＭＡＲＫ ５９３（旭電化（株）製）、
ＭＡＲＫ ＳＰ−７０（旭電化（株）製）、シナカレッ
ドＮＬＣ（品川化工（株）製）等〕）、Ｃａ系（例え
ば、ステアリン酸カルシウム）、Ｚｎ系（例えば、ステ
アリン酸亜鉛）、Ｓｎ系（例えば、ジノルマルオクチル
錫メルカプト、メチル錫メルカプト〔商品名：ＭＡＲＫ
４６５（旭電化（株）製）、ＭＡＲＫ １９２０（旭
電化（株）製）等〕）等が挙げられる。As the stabilizer, Pb-based (for example, lead stearate) and Ba-Zn-based (for example, trade name: MARK)
RAP-14 (made by Asahi Denka Co., Ltd.), MARK AC-
186 (manufactured by Asahi Denka Co., Ltd.)], Ca-Zn based (for example, [trade name: MARK 593 (manufactured by Asahi Denka Co., Ltd.)),
MARK SP-70 (manufactured by Asahi Denka Co., Ltd.), Shinaka Red NLC (manufactured by Shinagawa Kako Co., Ltd.)], Ca-based (eg, calcium stearate), Zn-based (eg, zinc stearate), Sn-based (eg, , Dinormal octyltin mercapto, methyltin mercapto [trade name: MARK
465 (made by Asahi Denka Co., Ltd.), MARK 1920 (made by Asahi Denka Co., Ltd.)], and the like.
【００１２】充填剤としては、炭酸カルシウム、焼成ク
レー、タルク、シリカ等が挙げられる。本発明のテープ
基材は、上記各組成成分を混練、分散し、次いでテープ
化するという従来公知の方法で製造することができる。
また、本発明のＰＶＣ粘着テープは、上記テープ基材に
粘着剤を担持させるという従来公知の方法を適用するこ
とにより製造することができる。Examples of the filler include calcium carbonate, calcined clay, talc, silica and the like. The tape base material of the present invention can be manufactured by a conventionally known method of kneading and dispersing the above-mentioned respective components and then forming a tape.
Further, the PVC adhesive tape of the present invention can be manufactured by applying a conventionally known method of supporting an adhesive on the tape base material.
【００１３】[0013]
【実施例】以下、本発明の具体的実施例について説明す
るが、本発明はこれに限定されるものではない。 従来例、実施例１〜４ 表１に記載の組成（重量部）の粘着剤をＰＶＣテープ上
に担持させて各ＰＶＣ粘着テープを作成した。尚、組成
成分の詳細は以下に示す。 ＳＢＲ：ＴＯ９１Ａ（日本合成ゴム（株））固形分５０
％ タッキファイヤー：スーパーエステルＥ７２５（荒川化
学工業（株））固形分５０％ 軟化剤：ＬＩＲ７００（クラレ（株））固形分６０％ 酸化防止剤：チヌビンＢ７５（日本チバガイギー
（株）） ２ＥｔＨＡ／Ｓｔ／ＡＮ：ＡＥ３３７（日本合成ゴム
（株））固形分５０％ ２ＥｔＨＡ／ＢＡ：ＡＥ６１０（日本合成ゴム（株））
固形分４５％EXAMPLES The present invention will be described below in detail with reference to Examples, but it should not be construed that the present invention is limited thereto. Conventional Examples, Examples 1 to 4 Each of the pressure-sensitive adhesives having the composition (parts by weight) shown in Table 1 was carried on a PVC tape to prepare each PVC pressure-sensitive adhesive tape. The details of the composition components are shown below. SBR: TO91A (Nippon Synthetic Rubber Co., Ltd.) solid content 50
% Tackifier: Super Ester E725 (Arakawa Chemical Industries) 50% solids Softener: LIR700 (Kuraray) 60% solids Antioxidant: Tinuvin B75 (Nippon Ciba Geigy) 2EtHA / St / AN: AE337 (Nippon Synthetic Rubber Co., Ltd.) solid content 50% 2EtHA / BA: AE610 (Nippon Synthetic Rubber Co., Ltd.)
45% solids
【００１４】得られた各試料を以下により評価し、その
結果も表１に示した。 接触タック感：触感による官能テスト；◎ 優、○
良、× 劣 粘着力：ＪＩＳ Ｃ２１０７によった。 糊のはみ出し：テープ側面のべたつきの触感による官能
テスト ○：べたつき無し、△：べたつきやや有り、×：指触
時、目視で粘着剤の糸ひきが確認できる。 テレスコープ：（５０℃、５時間の加熱後の巻装テープ
高さ）−（加熱前の巻装テープ高さ）が、５ｍｍ以下
の場合を無、５ｍｍを越える場合を有とした。Each of the obtained samples was evaluated as follows, and the results are also shown in Table 1. Contact tackiness: Sensory test by touch; ◎ Excellent, ○
Good, poor Poor adhesive strength: according to JIS C2107. Sticking out of adhesive: sensory test by the feeling of stickiness on the side of the tape ○: no stickiness, Δ: slightly sticky, ×: threading of the adhesive can be confirmed visually when touched with a finger. Telescope: (the height of the winding tape after heating at 50 ° C. for 5 hours) − (the height of the winding tape before heating) was 5 mm or less, none, and more than 5 mm.
【００１５】[0015]
【表１】 [Table 1]
【００１６】表１より、本発明の粘着剤組成を用いた実
施例１〜４は、糊厚が薄くでも粘着力が従来例と同等か
優れており、更に実施例２〜４は糊のはみ出し、テレス
コープも従来例より改善されている。From Table 1, it can be seen that Examples 1 to 4 using the pressure-sensitive adhesive composition of the present invention have the same or superior adhesive strength as the conventional example even when the adhesive thickness is small. The telescope has also been improved from the conventional example.
【００１７】[0017]
【発明の効果】本発明のＰＶＣ粘着テープは、粘着剤と
して特定組成のアクリル系共重合体を用いたために、従
来の天然ゴム／ＳＢＲ系粘着剤に比べて糊厚が薄くても
充分な粘着力が確保でき、且つテレスコープ現象やテー
プ側面からの糊のはみ出しの発生を効果的に抑制するこ
とができる。The PVC adhesive tape of the present invention uses an acrylic copolymer of a specific composition as an adhesive, and thus has a sufficient adhesiveness even if the adhesive thickness is smaller than that of a conventional natural rubber / SBR adhesive. The force can be secured, and the occurrence of the telescope phenomenon and the protrusion of the adhesive from the tape side surface can be effectively suppressed.
Claims (2)
テープ基材上に粘着剤を担持させてなるＰＶＣ粘着テー
プにおいて、該粘着剤は２−エチルヘキシルアクリレー
トと、スチレン、アクリロニトリルおよびブチルアクリ
レートからなる群から選択された少なくとも１種の単量
体との共重合体からなることを特徴とするＰＶＣ粘着テ
ープ。1. A PVC pressure-sensitive adhesive tape having a pressure-sensitive adhesive carried on a tape base comprising a resin composition mainly composed of PVC, wherein the pressure-sensitive adhesive comprises 2-ethylhexyl acrylate, styrene, acrylonitrile and butyl acrylate. A PVC adhesive tape comprising a copolymer with at least one monomer selected from the group.
ート／スチレン／アクリロニトリル共重合体および２−
エチルヘキシルアクリレート／ブチルアクリレート共重
合体からなることを特徴とする請求項１記載のＰＶＣ粘
着テープ。2. The pressure-sensitive adhesive comprises 2-ethylhexyl acrylate / styrene / acrylonitrile copolymer and 2-ethylhexyl acrylate / styrene / acrylonitrile copolymer.
The PVC adhesive tape according to claim 1, comprising an ethylhexyl acrylate / butyl acrylate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3227297A JPH10226771A (en) | 1997-02-17 | 1997-02-17 | Pvc adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3227297A JPH10226771A (en) | 1997-02-17 | 1997-02-17 | Pvc adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10226771A true JPH10226771A (en) | 1998-08-25 |
Family
ID=12354361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3227297A Pending JPH10226771A (en) | 1997-02-17 | 1997-02-17 | Pvc adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10226771A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345121A (en) * | 1999-06-04 | 2000-12-12 | Yazaki Corp | Pressure-sensitive adhesive tape of pvc |
| JP2004197091A (en) * | 2002-12-18 | 2004-07-15 | Tesa Ag | Adhesive tape for protecting, marking, isolating and coating |
| JP2005097486A (en) * | 2003-09-26 | 2005-04-14 | Brother Ind Ltd | Tape for printing with adhesive, tape spool with the tape for the printing wound thereon, and tape cassette including the tape spool |
| JP2012122054A (en) * | 2010-10-26 | 2012-06-28 | Rohm & Haas Co | Clean removable adhesive sheet |
| US10544336B2 (en) | 2017-04-17 | 2020-01-28 | Yazaki Corporation | Composition for pressure-sensitive adhesive, pressure-sensitive adhesive resin tape, and wire harness |
-
1997
- 1997-02-17 JP JP3227297A patent/JPH10226771A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000345121A (en) * | 1999-06-04 | 2000-12-12 | Yazaki Corp | Pressure-sensitive adhesive tape of pvc |
| JP2004197091A (en) * | 2002-12-18 | 2004-07-15 | Tesa Ag | Adhesive tape for protecting, marking, isolating and coating |
| JP2005097486A (en) * | 2003-09-26 | 2005-04-14 | Brother Ind Ltd | Tape for printing with adhesive, tape spool with the tape for the printing wound thereon, and tape cassette including the tape spool |
| JP2012122054A (en) * | 2010-10-26 | 2012-06-28 | Rohm & Haas Co | Clean removable adhesive sheet |
| US10544336B2 (en) | 2017-04-17 | 2020-01-28 | Yazaki Corporation | Composition for pressure-sensitive adhesive, pressure-sensitive adhesive resin tape, and wire harness |
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