JPH10316819A - Adhesive sheet - Google Patents

Adhesive sheet

Info

Publication number
JPH10316819A
JPH10316819A JP9145982A JP14598297A JPH10316819A JP H10316819 A JPH10316819 A JP H10316819A JP 9145982 A JP9145982 A JP 9145982A JP 14598297 A JP14598297 A JP 14598297A JP H10316819 A JPH10316819 A JP H10316819A
Authority
JP
Japan
Prior art keywords
vinyl chloride
sensitive adhesive
pressure
chloride resin
adhesive 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.)
Pending
Application number
JP9145982A
Other languages
Japanese (ja)
Inventor
Kimihiro Fujii
公博 藤井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bando Chemical Industries Ltd
Original Assignee
Bando Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bando Chemical Industries Ltd filed Critical Bando Chemical Industries Ltd
Priority to JP9145982A priority Critical patent/JPH10316819A/en
Publication of JPH10316819A publication Critical patent/JPH10316819A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To prepare an adhesive sheet capable of exhibiting excellent hand tearing property and excellent workability by laminating adhesive layer(s) on a base material sheet consisting of a soft vinyl chloride resin. SOLUTION: This adhesive sheet is obtained by laminating adhesive layer(s) on one side or both sides of a base material sheet consisting of a soft vinyl chloride resin, and has a breaking strength of <=150 kg/cm<2> and an elongation of <=250%. The soft vinyl chloride resin used here is preferably one prepared by compounding 100 pts.wt. of vinyl chloride with a plasticizer in an amount of 35-60 pts.wt. expressed in terms of DOP(dioctyl phthalate) and 1-40 pts.wt. of a tiller (preferably, porous bodies consisting of SiO3 having an average particle diameter of 10-100 μm and a balk specific gravity of 0.05-0.5). The base material sheet is preferably 70-200 μm in thickness, and the adhesive layer is preferably 20-100 μm in thickness. Thus, medical adhesive tapes for plasters, etc., electric insulating tapes, etc., which are good in hand tearing property, light in weight and excellent in workability can be obtained.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、医療用粘着テー
プ、電気絶縁用テープ、結束用テープ等に好適に用いる
ことができる粘着シートに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure-sensitive adhesive sheet which can be suitably used for a medical pressure-sensitive adhesive tape, an electric insulating tape, a binding tape and the like.

【0002】[0002]

【従来の技術】粘着シートは、基材シートの片面又は両
面に粘着剤層が積層されているものである。このような
粘着シートは、医療用粘着テープ、電気絶縁用テープ、
結束用テープ、プロテクトテープ、マスキングテープ等
に広く用いられている。
2. Description of the Related Art A pressure-sensitive adhesive sheet is a sheet in which a pressure-sensitive adhesive layer is laminated on one or both sides of a base sheet. Such adhesive sheets include medical adhesive tapes, electrical insulating tapes,
Widely used for binding tapes, protection tapes, masking tapes, and the like.

【0003】これらのうち医療用粘着テープは、ガー
ゼ、包帯、カテーテル、輸血チューブ、注射器等の固
定、手術部位の被覆、縫合等に用いられ、例えば、サー
ジカルテープ、ドレッシングテープ、絆創膏等として使
用されている。電気絶縁用テープは、電柱、住宅、ビル
等の配線、電気機器等に使用されている。結束用テープ
は、野菜の結束、金属棒等の工業用資材の結束等に使用
されている。
Of these, medical adhesive tapes are used for fixing gauze, bandages, catheters, blood transfusion tubes, syringes, etc., covering surgical sites, suturing, and the like. I have. BACKGROUND ART Electrical insulating tapes are used for electric poles, wiring of houses, buildings, and the like, electric equipment, and the like. The binding tape is used for binding vegetables, binding industrial materials such as metal rods, and the like.

【0004】このような粘着シートにおいては、作業効
率の面から、ハサミやカッターを用いなくても、幅方向
に手で簡単に切れる手切れ性が求められている。この手
切れ性は、手で容易に切れて、切り口が伸びていないこ
とが特に好ましい。切り口が伸びて波うち状になってい
ると、見栄えが悪く、かつ、接着性が低下する。
[0004] From the viewpoint of work efficiency, such adhesive sheets are required to be easily cut by hand in the width direction without using scissors or a cutter. It is particularly preferable that this hand-cutting property is easily cut by hand and the cut end is not elongated. If the cut ends are elongated and wavy, the appearance is poor and the adhesiveness is reduced.

【0005】このような手切れ性のよい粘着シートとし
ては、紙を基材シートに用いた紙テープが用いられてき
た。しかしながら、紙テープはコストが高く、伸縮性及
び柔軟性が不足している等の問題があった。また、強度
が低すぎるので、ギブス等の重いものの固定に用いるこ
とができなかった。
A paper tape using paper as a base sheet has been used as such an adhesive sheet having good hand-cutting properties. However, paper tape has problems such as high cost, insufficient elasticity and flexibility. In addition, since the strength was too low, it could not be used for fixing heavy objects such as casts.

【0006】また、軟質塩化ビニル樹脂を基材シートに
用いた医療用粘着テープは、伸縮性及び柔軟性に優れ、
肌に貼った場合に突っ張り感が小さく、使用機能が優れ
ているが、手切れ性等の作業性に劣る問題があった。カ
テーテルや注射器等の軽量のものを粘着シートにより固
定する場合には、最低限必要な強度は非常に小さい。従
って、破断強度を小さくし、伸びを短くすることによ
り、手切れ性を向上させることが考えられる。
Further, a medical pressure-sensitive adhesive tape using a soft vinyl chloride resin as a base sheet has excellent stretchability and flexibility.
When applied to the skin, the feeling of tension is small and the function used is excellent, but there is a problem that the workability such as hand-cutting property is poor. In the case of fixing a lightweight object such as a catheter or a syringe with an adhesive sheet, the minimum required strength is very small. Therefore, it is conceivable to improve the hand-cutting property by reducing the breaking strength and shortening the elongation.

【0007】特開平4−372679号公報には、塩化
ビニル樹脂100重量部に、可塑剤がDOP換算で35
〜60重量部、平均粒径0.02〜0.15μmの充填
剤が10〜60重量部、エラストマーが1〜15重量部
配合されてなる電気絶縁用、電線結束用粘着シートが、
破断伸びが小さく、添加された充填剤が切断の起点とし
て作用するので、手切れ性が良好であり、更に、エラス
トマーの添加により、縦裂けを防止することができるこ
とが開示されている。
[0007] Japanese Patent Application Laid-Open No. 4-372679 discloses that a plasticizer is added to 100 parts by weight of a vinyl chloride resin in 35 parts per DOP.
6060 parts by weight, 10-60 parts by weight of a filler having an average particle size of 0.02-0.15 μm, and 1-15 parts by weight of an elastomer for electric insulation and an adhesive sheet for binding electric wires,
It is disclosed that since the breaking elongation is small and the added filler acts as a starting point of cutting, the hand-cutting property is good, and the addition of an elastomer can prevent longitudinal tearing.

【0008】しかし、この粘着シートは、耐電圧性を考
慮する必要があることから、また、絶縁テープとして一
定の強度が必要であることから、破断強度が175〜2
25kg/cm2 、伸びが190〜255%であり、そ
のため、手切れ性が不充分であった。
However, the pressure-sensitive adhesive sheet has a breaking strength of 175 to 2 due to the need to consider voltage resistance and a constant strength as an insulating tape.
25 kg / cm < 2 > and elongation were 190-255%, and the hand-cutting property was insufficient.

【0009】また、このような粘着シートで用いられる
充填剤としては、従来、炭酸カルシウム、シリカ、タル
ク、酸化チタン等が使用されてきたが、これらは比重が
大きく、これらを添加した粘着シートは重量が大きくな
り、病院内等で大量に持ち運ぶことが困難である等の問
題もあった。
As fillers used in such pressure-sensitive adhesive sheets, calcium carbonate, silica, talc, titanium oxide and the like have been conventionally used, but these have a large specific gravity. There is also a problem that the weight becomes large and it is difficult to carry a large amount in a hospital or the like.

【0010】[0010]

【発明が解決しようとする課題】本発明は、上記に鑑
み、手切れ性がよく作業性が良好な粘着シートを提供す
ることを目的とするものである。
SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a pressure-sensitive adhesive sheet having good hand-cutting properties and good workability.

【0011】[0011]

【課題を解決するための手段】本発明は、基材シートの
片面又は両面に粘着剤層を積層してなる粘着シートであ
って、上記基材シートは、軟質塩化ビニル樹脂からな
り、その破断強度が150kg/cm2 以下であり、伸
びが250%以下である粘着シートである。以下に本発
明を詳述する。
SUMMARY OF THE INVENTION The present invention provides an adhesive sheet comprising a base sheet and an adhesive layer laminated on one or both sides of the base sheet, wherein the base sheet is made of a soft vinyl chloride resin, The pressure-sensitive adhesive sheet has a strength of 150 kg / cm 2 or less and an elongation of 250% or less. Hereinafter, the present invention will be described in detail.

【0012】本発明の粘着シートは、基材シートの片面
に粘着剤層を積層してなる粘着シートである。上記基材
シートは、軟質塩化ビニル樹脂からなり、その破断強度
が150kg/cm2 以下であり、伸びが250%以下
である。破断強度が150kg/cm2 を超えても、伸
びが250%を超えても、手切れ性が悪くなるので、上
記範囲に限定される。上記破断強度は、より好ましく
は、90〜140kg/cm2 であり、上記伸びは、よ
り好ましくは、70〜150%である。
The pressure-sensitive adhesive sheet of the present invention is a pressure-sensitive adhesive sheet obtained by laminating a pressure-sensitive adhesive layer on one side of a base sheet. The base sheet is made of a soft vinyl chloride resin, has a breaking strength of 150 kg / cm 2 or less, and has an elongation of 250% or less. Even if the breaking strength exceeds 150 kg / cm 2 or the elongation exceeds 250%, the hand-cutting property deteriorates, so that it is limited to the above range. The breaking strength is more preferably 90 to 140 kg / cm 2 , and the elongation is more preferably 70 to 150%.

【0013】本発明の粘着シートで用いられる軟質塩化
ビニル樹脂は、塩化ビニル樹脂100重量部に、可塑剤
がDOP換算で35〜60重量部、充填剤が1〜40重
量部配合されてなるものが好ましい。
The soft vinyl chloride resin used in the pressure-sensitive adhesive sheet of the present invention is obtained by mixing 35 to 60 parts by weight of a plasticizer in terms of DOP and 1 to 40 parts by weight of a filler with 100 parts by weight of the vinyl chloride resin. Is preferred.

【0014】上記塩化ビニル樹脂としては、破断強度及
び伸びが低いものが好ましく、通常、重合度が800〜
1300であるものが用いられる。上記可塑剤の配合量
がDOP換算で35重量部未満であると、硬さ及び破断
強度が増大し、60重量部を超えると、柔らかくなりす
ぎ、伸びが大きくなって手切れ性が悪くなる。
As the vinyl chloride resin, those having low breaking strength and low elongation are preferable.
1300 is used. If the blending amount of the plasticizer is less than 35 parts by weight in terms of DOP, the hardness and the breaking strength increase, and if it exceeds 60 parts by weight, it becomes too soft, the elongation increases, and the hand-cutting property deteriorates.

【0015】本発明において、上記DOP換算とは、一
般的な可塑剤であるジオクチルフタレート(DOP)を
用いた場合のジオクチルフタレートの添加量に相当する
量を意味する。上記可塑剤としては特に限定されず、例
えば、ジオクチルフタレート等のフタル酸エステル系可
塑剤、リン酸エステル系可塑剤、ポリエステル系可塑剤
等を挙げることができる。
In the present invention, the term "DOP conversion" means an amount corresponding to the amount of dioctyl phthalate added when dioctyl phthalate (DOP), which is a general plasticizer, is used. The plasticizer is not particularly limited, and examples thereof include a phthalate plasticizer such as dioctyl phthalate, a phosphate plasticizer, and a polyester plasticizer.

【0016】上記充填剤の配合量が1重量部未満である
と、粘着シートの強度が高くなり、40重量部を超える
と、シート加工中の強度(腰)が弱くなり、加工性に劣
り、また、得られる粘着シートが黒くなるので、美観が
損なわれる。より好ましくは、10〜20重量部であ
る。
When the amount of the filler is less than 1 part by weight, the strength of the pressure-sensitive adhesive sheet is increased. When the amount is more than 40 parts by weight, the strength (stiffness) during sheet processing is reduced, resulting in poor workability. In addition, the resulting pressure-sensitive adhesive sheet becomes black, which impairs the appearance. More preferably, it is 10 to 20 parts by weight.

【0017】上記充填剤は、平均粒径が10〜100μ
mであり、かつ、かさ比重が0.05〜0.5であるこ
とが好ましい。上記充填剤の平均粒径が10μm未満で
あると、シート強度を低下させる効果及び手切れ性が発
現せず、100μmを超えると、ピンホールが発生する
ことがあり、また、手切れ性が悪くなる。より好ましく
は、30〜50μmである。
The filler has an average particle size of 10 to 100 μm.
m and a bulk specific gravity of 0.05 to 0.5. If the average particle size of the filler is less than 10 μm, the effect of lowering the sheet strength and the hand-cutting property are not exhibited, and if it exceeds 100 μm, pinholes may be generated and the hand-cutting property is poor. Become. More preferably, it is 30 to 50 μm.

【0018】上記充填剤のかさ比重が0.05未満であ
ると、取扱が困難であり、0.5を超えると、得られる
粘着シートが重くなる。より好ましくは、0.15〜
0.3である。上記充填剤は、SiO2 からなる多孔質
体であることが好ましく、なかでも、鹿児島産、シラス
バルーンが好ましい。更に具体的には、イヂチ化成社
製、ウィンライトMSB−301(平均粒径50μm、
かさ比重0.17〜0.20)、ウィンライトMSB−
3011(平均粒径35μm、かさ比重0.27〜0.
30)等を挙げることができる。
If the bulk specific gravity of the filler is less than 0.05, handling is difficult, and if it exceeds 0.5, the resulting pressure-sensitive adhesive sheet becomes heavy. More preferably, 0.15
0.3. The filler is preferably a porous body made of SiO 2 , and among them, Shirasu balloon manufactured by Kagoshima is preferred. More specifically, Winlight MSB-301 (average particle size 50 μm, manufactured by Ichi Kasei Co., Ltd.)
Bulk specific gravity 0.17 ~ 0.20), Winlight MSB-
3011 (average particle diameter 35 μm, bulk specific gravity 0.27-0.
30) and the like.

【0019】上記基材シートの厚さは、70〜200μ
mが好ましい。70μm未満であると、強度が不足し、
200μmを超えると、手切れ性が悪くなり、また、皮
膚への追随性が不足する。
The thickness of the base sheet is 70 to 200 μm.
m is preferred. If it is less than 70 μm, the strength is insufficient,
If it exceeds 200 μm, the hand-cutting properties will be poor and the ability to follow the skin will be insufficient.

【0020】本発明の粘着シートで用いられる粘着剤と
しては特に限定されず、例えば、アクリルゴム系粘着
剤、天然ゴム系粘着剤、スチレン−ブタジエンブロック
共重合体ゴム系粘着剤等を挙げることができる。上記粘
着剤層の厚さは、20〜100μmが好ましい。
The pressure-sensitive adhesive used in the pressure-sensitive adhesive sheet of the present invention is not particularly limited, and examples thereof include an acrylic rubber-based pressure-sensitive adhesive, a natural rubber-based pressure-sensitive adhesive, and a styrene-butadiene block copolymer rubber-based pressure-sensitive adhesive. it can. The thickness of the pressure-sensitive adhesive layer is preferably from 20 to 100 μm.

【0021】本発明の粘着シートは、上記充填剤を添加
することにより、断面当たりの破断強度を小さくするこ
とができ、また、伸びを短くすることができるので、手
切れ性が良好である。更に、本発明の粘着シートは、か
さ比重が小さい充填剤を用いているので、軽量であり、
持ち運びに便利である。
The pressure-sensitive adhesive sheet of the present invention can be reduced in breaking strength per section and shortened in elongation by adding the above-mentioned filler, so that the hand-cutting property is good. Furthermore, since the pressure-sensitive adhesive sheet of the present invention uses a filler having a low bulk specific gravity, it is lightweight,
It is convenient to carry.

【0022】[0022]

【実施例】以下に実施例を掲げて本発明を更に詳しく説
明するが、本発明はこれら実施例のみに限定されるもの
ではない。
The present invention will be described in more detail with reference to the following examples, but the present invention is not limited to these examples.

【0023】実施例1〜4及び比較例1、2 表1に示す配合の組成物を、2本ロールで170℃×7
分間混練して厚さ0.16mmの基材シートを得た。得
られた基材シートを用いてJIS K 6723に従っ
て引っ張り試験を行い、その破断強度及び伸びの測定結
果を表1に示した。
Examples 1 to 4 and Comparative Examples 1 and 2 A composition having the composition shown in Table 1 was heated at 170 ° C. × 7 with two rolls.
The mixture was kneaded for minutes to obtain a substrate sheet having a thickness of 0.16 mm. Using the obtained substrate sheet, a tensile test was performed according to JIS K 6723, and the measurement results of the breaking strength and the elongation are shown in Table 1.

【0024】この基材シートにゴム系粘着剤をドライで
厚さ30μmとなるように塗布し、19mm幅にスリッ
トし、巻き状粘着シートとした。この巻き状粘着シート
を指に巻いて片手でちぎったときの手切れ性を評価し
た。手で容易に切断することができ、切り口が伸びてい
ないものを○、手で切断することができるが、切り口が
伸びて波うち状になっているものを△、手で容易に切断
できず、切り口が伸びて波うち状になっているものを×
とした。その結果を表1に示した。
A rubber-based pressure-sensitive adhesive was applied to the base sheet by a dry process so as to have a thickness of 30 μm and slit to a width of 19 mm to obtain a wound pressure-sensitive adhesive sheet. The wound adhesive sheet was wound around a finger, and the hand-cutting property when it was torn with one hand was evaluated. It can be cut easily by hand, and the one that does not have an elongated cut can be cut by hand, but the one that has an elongated cut and wavy shape cannot be cut easily by hand. , The one with the cut edge extending and waving
And The results are shown in Table 1.

【0025】[0025]

【表1】 [Table 1]

【0026】表1中、※1は、大日本インキ化学工業社
製、ポリサイザーW305ELを、※2は、イヂチ化成
社製、ウィンライトMSB−3011を、※3は、白石
カルシウム社製、軽質炭酸カルシウム、CCRを、塩化
ビニル樹脂は、重合度1000のものを、安定剤は、カ
ルシウム/亜鉛系のものをそれぞれ用いた。
In Table 1, * 1 indicates Polysizer W305EL manufactured by Dainippon Ink and Chemicals, * 2 indicates Winlight MSB-3011 manufactured by Ichi Kasei, and * 3 indicates light carbonic acid manufactured by Shiraishi Calcium Co., Ltd. Calcium and CCR, vinyl chloride resin having a polymerization degree of 1,000, and a stabilizer of calcium / zinc were used.

【0027】[0027]

【発明の効果】本発明の粘着シートは、上述の通りであ
るので、手切れ性がよく、また、軽量であるので、作業
性が良好である。本発明の粘着シートは、絆創膏、サー
ジカルテープ等の医療用粘着テープ、電気絶縁用テー
プ、結束用テープ等に好適に用いることができる。
As described above, the pressure-sensitive adhesive sheet of the present invention has good hand-cutting properties and is light in weight, and thus has good workability. The pressure-sensitive adhesive sheet of the present invention can be suitably used for medical pressure-sensitive adhesive tapes such as adhesive plasters and surgical tapes, electrical insulating tapes, binding tapes, and the like.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 基材シートの片面又は両面に粘着剤層を
積層してなる粘着シートであって、前記基材シートは、
軟質塩化ビニル樹脂からなり、その破断強度が150k
g/cm2 以下であり、伸びが250%以下であること
を特徴とする粘着シート。
A pressure-sensitive adhesive sheet obtained by laminating a pressure-sensitive adhesive layer on one or both sides of a base sheet, wherein the base sheet is
Made of soft vinyl chloride resin, its breaking strength is 150k
g / cm 2 or less, and an elongation of 250% or less.
【請求項2】 軟質塩化ビニル樹脂は、塩化ビニル樹脂
100重量部に、可塑剤がDOP換算で35〜60重量
部、充填剤が1〜40重量部配合されてなるものであ
り、前記充填剤は、平均粒径が10〜100μmであ
り、かつ、かさ比重が0.05〜0.5である請求項1
記載の粘着シート。
2. The soft vinyl chloride resin is obtained by mixing 35 to 60 parts by weight of a plasticizer in terms of DOP and 1 to 40 parts by weight of a filler with 100 parts by weight of the vinyl chloride resin. Has an average particle diameter of 10 to 100 μm and a bulk specific gravity of 0.05 to 0.5.
The pressure-sensitive adhesive sheet according to the above.
【請求項3】 充填剤は、SiO2 からなる多孔質体で
ある請求項2記載の粘着シート。
3. The pressure-sensitive adhesive sheet according to claim 2 , wherein the filler is a porous body made of SiO 2 .
JP9145982A 1997-05-19 1997-05-19 Adhesive sheet Pending JPH10316819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9145982A JPH10316819A (en) 1997-05-19 1997-05-19 Adhesive sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9145982A JPH10316819A (en) 1997-05-19 1997-05-19 Adhesive sheet

Publications (1)

Publication Number Publication Date
JPH10316819A true JPH10316819A (en) 1998-12-02

Family

ID=15397462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9145982A Pending JPH10316819A (en) 1997-05-19 1997-05-19 Adhesive sheet

Country Status (1)

Country Link
JP (1) JPH10316819A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6964805B1 (en) * 1998-10-05 2005-11-15 Yoshino Kogyosho Co., Ltd. Tack labels and plastic containers with such tack labels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6964805B1 (en) * 1998-10-05 2005-11-15 Yoshino Kogyosho Co., Ltd. Tack labels and plastic containers with such tack labels

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