JPH066154B2 - Medical acrylic adhesive tape - Google Patents
Medical acrylic adhesive tapeInfo
- Publication number
- JPH066154B2 JPH066154B2 JP60075378A JP7537885A JPH066154B2 JP H066154 B2 JPH066154 B2 JP H066154B2 JP 60075378 A JP60075378 A JP 60075378A JP 7537885 A JP7537885 A JP 7537885A JP H066154 B2 JPH066154 B2 JP H066154B2
- Authority
- JP
- Japan
- Prior art keywords
- copolymer
- adhesive tape
- adhesive layer
- weight
- component
- 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 - Lifetime
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明の医療用アクリル系粘着テープは粘着層に薬効成
分を含有させることにより、治療用の貼布剤として使用
されるとともに、薬効成分を含ませることなく通常のバ
ンソウコウのような粘着テープとして使用することもで
きる。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The medical acrylic pressure-sensitive adhesive tape of the present invention can be used as a patch for treatment by containing a medicinal component in an adhesive layer, It is also possible to use it as an adhesive tape such as normal Bansoukou without including it.
アクリル酸エステル共重合体を用いた粘着テープの製造
方法はアクリル酸エステル共重合体の粘稠性溶液に可塑
剤及び架橋剤を加えて成形する方法が確立されている。
（特開昭５７−５８６１６号他） 〔発明が解決しようとする問題点〕 上記公知のアクリル酸エステル共重合体を用いる粘着剤
においては可塑剤や架橋剤の生物学的安全性や化学的刺
激性を避ける事が出来ない。また、粘着力は必要以上に
高く、物理的刺激性が強い傾向がある。As a method for producing a pressure-sensitive adhesive tape using an acrylic acid ester copolymer, a method has been established in which a viscous solution of an acrylic acid ester copolymer is added with a plasticizer and a cross-linking agent for molding.
(JP-A-57-58616, etc.) [Problems to be solved by the invention] In the pressure-sensitive adhesive using the above-mentioned known acrylic acid ester copolymer, biological safety and chemical irritation of the plasticizer and the cross-linking agent. I cannot avoid sex. Further, the adhesive strength is unnecessarily high and the physical irritation tends to be strong.
本発明者らは上記の欠点のない医療用に適した粘着テー
プを種々検討の結果本発明を完成した。The present inventors have completed the present invention as a result of various studies on adhesive tapes suitable for medical use that do not have the above-mentioned drawbacks.
即ち、本発明は、 a) アクリル酸エステル又はメタクリル酸エステル（以
下両者を含めて（メタ）アクリル酸エステルという。）
を主成分とする共重合体を粘着層全体の組成に対し、３
０〜７０重量％ b) 粒度８０メッシュ以下の常温固体微粉末を粘着層全
体の組成に対し、７０〜３０重量％および c) 上記a)の共重合体への溶解性成分を粘着層全体の組
成に対し、０〜２０重量％ を含む粘着層を支持体シート上に有することを特徴とす
る医療用アクリル系粘着テープに関するものである。That is, the present invention includes: a) acrylic acid ester or methacrylic acid ester (hereinafter, both are referred to as (meth) acrylic acid ester).
A copolymer containing as a main component is added to the composition of the entire adhesive layer in an amount of 3
0 to 70% by weight b) 70 to 30% by weight of room temperature solid fine powder having a particle size of 80 mesh or less with respect to the composition of the entire adhesive layer, and c) a soluble component in the copolymer of a) above in the entire adhesive layer. The present invention relates to a medical acrylic pressure-sensitive adhesive tape, which comprises an adhesive layer containing 0 to 20% by weight of the composition on a support sheet.
本発明の粘着テープは次のようにして製造される。The adhesive tape of the present invention is manufactured as follows.
（メタ）アクリル酸エステルを共重合して得られる粘稠
性溶液〔共重合体含量３０〜４０％（重量；以下特に断
わらない限り重量％を示す。）程度〕に粒度８０メッシ
ュ以下の常温固体微粉末と必要に応じて該粘稠性溶液に
溶解する薬効成分や、更に場合に応じて、吸収助剤等を
添加し、十分均一に混合し、得られた混合液を支持体シ
ート上に展延して、次いで、乾燥して溶媒を除去するこ
とにより、本発明の粘着テープとすることができる。A room temperature solid having a particle size of 80 mesh or less in a viscous solution obtained by copolymerizing a (meth) acrylic acid ester [copolymer content of 30 to 40% (weight; unless otherwise specified, about% by weight)] Fine powder and, if necessary, a medicinal component that dissolves in the viscous solution, and if necessary, an absorption aid and the like are added and mixed sufficiently uniformly, and the obtained mixed solution is placed on a support sheet. By spreading and then drying to remove the solvent, the pressure-sensitive adhesive tape of the present invention can be obtained.
本発明の粘着テープ製造のために用いられる、（メタ）
アクリル酸エステル共重合体の粘稠性溶液としては（メ
タ）アクリル酸エステル共重合体含量３２〜３４％の有
機溶媒溶液で、２０℃において回転粘度計で測定したと
きの粘度が、７００cps以上、好ましくは１０００〜５
０００cpsより好ましくは１４００〜３５００cpsのもの
が使用される。(Meta) used for producing the adhesive tape of the present invention
The viscous solution of the acrylic ester copolymer is a solution of a (meth) acrylic acid ester copolymer in an organic solvent content of 32 to 34%, and the viscosity when measured with a rotary viscometer at 20 ° C. is 700 cps or more, Preferably 1000-5
It is preferably from 4,000 cps to 1400 to 3500 cps.
本発明で使用する（メタ）アクリル酸エステルとしては
通常アクリル酸又はメタクリル酸と炭素数１−１２のア
ルコールとのエステル、例えばアクリル酸メチル、メタ
クリル酸メチル、アクリル酸ブチル、メタクリル酸ブチ
ル、アクリル酸ヘキシル、メタクリル酸ヘキシル、アク
リル酸２−エチルヘキシル、メタクリル酸２−エチルヘ
キシルなどがあげられる。The (meth) acrylic acid ester used in the present invention is usually an ester of acrylic acid or methacrylic acid and an alcohol having 1 to 12 carbon atoms, such as methyl acrylate, methyl methacrylate, butyl acrylate, butyl methacrylate, acrylic acid. Hexyl, hexyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate and the like can be mentioned.
共重合体中におけるこれらのエステルの含量は通常７０
％以上好ましくは８０％以上より好ましくは９０％以上
である。共重合体は、架橋成分により架橋されているの
が好ましく、架橋成分としてはＮ−メチロールアクリル
アミド又はＮ−メチロールメタクリルアミド（以下両者
を含めて、Ｎ−メチロール（メタ）アクリルアミドとい
う。）が好ましい。この場合、共重合体中におけるＮ−
メチロール（メタ）アクリルアミドの割合は、0.5〜８
％好ましくは１〜６％である。The content of these esters in the copolymer is usually 70
% Or more, preferably 80% or more, more preferably 90% or more. The copolymer is preferably cross-linked with a cross-linking component, and as the cross-linking component, N-methylol acrylamide or N-methylol methacrylamide (both including both are referred to as N-methylol (meth) acrylamide) is preferable. In this case, N- in the copolymer
The ratio of methylol (meth) acrylamide is 0.5 to 8
% It is preferably 1 to 6%.
またこの共重合体は更に酢酸ビニル、スチレン、塩化ビ
ニル、又はアクリルアミドなどを共重合体成分として含
んでいてもよく、共重合体成分全体に対して、これらは
３０％以下が好ましく、より好ましくは２０％、最も好
ましくは１０％以下である。Further, this copolymer may further contain vinyl acetate, styrene, vinyl chloride, acrylamide or the like as a copolymer component, and these are preferably 30% or less with respect to the whole copolymer component, more preferably It is 20%, most preferably 10% or less.
これらの共重合体としては例えば、アクリル酸ブチル、
アクリル酸２−エチルヘキシルおよびＮ−メチロールア
クリルアミドの共重合体、アクリル酸ブチル、アクリル
酸２−エチルヘキシル、酢酸ビニルおよびＮ−メチロー
ルアクリルアミドの共重合体、アクリル酸ブチル、スチ
レンメタクリル酸２−エチルヘキシルおよびＮ−メチロ
ールアクリルアミドの共重合体などがあげられる。Examples of these copolymers include butyl acrylate,
Copolymer of 2-ethylhexyl acrylate and N-methylol acrylamide, butyl acrylate, 2-ethylhexyl acrylate, copolymer of vinyl acetate and N-methylol acrylamide, butyl acrylate, styrene 2-ethylhexyl methacrylate and N- Examples thereof include copolymers of methylol acrylamide.
a)成分の共重合体として好ましいものは、単量体の仕込
み割合で、アクリル酸ブチル又はメタクリル酸ブチル８
−２０％、アクリル酸２−エチルヘキシル又はメタクリ
ル酸２−エチルヘキシル１５〜２５％、Ｎ−メチロール
アクリルアミド又はＮ−メチロールメタクリルアミド0.
5〜８％からなる共重合体が好ましい。The preferred copolymer as the component (a) is butyl acrylate or butyl methacrylate in the proportion of the charged monomers.
-20%, 2-ethylhexyl acrylate or 2-ethylhexyl methacrylate 15-25%, N-methylol acrylamide or N-methylol methacrylamide.
Copolymers consisting of 5-8% are preferred.
b)成分の粒度８０メッシュ以下の常温固体微粉末として
は（メタ）アクリル酸エステルを共重合して得られる粘
稠性溶液に溶解しないものであれば何でもよいが医療用
テープにする場合には、非毒性であることが確認されて
いるものが好ましい。これらの微粉末として使用される
ものは、カオリン、ベントナイト、タルク等を始めとす
る無機粉体、アミノ酸や糖類を始めとする有機粉体、ポ
リエチレングリコール６０００やデキストランを始めと
する高分子物質の粉体等、医薬、食品及び化粧品等の各
分野で安全性が認められて汎用されているものなら何で
も良い。As the room temperature solid fine powder having a particle size of 80 mesh or less, the component (b) may be any as long as it does not dissolve in a viscous solution obtained by copolymerizing (meth) acrylic acid ester. Those which are confirmed to be non-toxic are preferable. These fine powders include inorganic powders such as kaolin, bentonite, talc, etc., organic powders such as amino acids and sugars, powders of polymer substances such as polyethylene glycol 6000 and dextran. Any substance may be used as long as it is safe and widely used in each field such as body, medicine, food and cosmetics.
また場合によっては薬効成分をこの微粉末として使用し
てもよい。これらの微粉末の粒度は８０メッシュ以下な
ら、細かければ細かいほど好ましく、通常１００メッシ
ュ以下より好ましくは150メッシュ以下のものが使用さ
れる。In some cases, the medicinal component may be used as this fine powder. If the particle size of these fine powders is 80 mesh or less, the finer the particle size, the more preferable, and usually 100 mesh or less, more preferably 150 mesh or less is used.
c)成分の上記a)成分の共重合体への溶解性成分は通常特
に必要としないが、薬効成分や場合により吸収助剤等の
補助剤などを含むことができる。Although the component soluble in the copolymer of the component a) of the component c) is not usually required, it may contain a medicinal component and optionally an auxiliary agent such as an absorption aid.
本発明の粘着テープにおける粘着層の組成は、a)成分の
共重合体が粘着層全体の組成に対し、３０〜７０％、好
ましくは４０〜６５％であり、b)成分の常温固体の微粉
末は粘着層全体の組成に対して、７０％〜３０％、好ま
しくは６０％〜３５％の範囲であり、c)成分は粘着層全
体の組成に対し、０〜２０％好ましくは０〜１０％であ
る。共重合体量が30％未満であるとテープの粘着力が不
充分となり、70％を越えると強くなりすぎる。常温固体
微粉末量が70％を越えるとテープの粘着力が不充分とな
り、30％未満であると強くなりすぎる。常温固体微粉末
の粒度が80メッシュを越えるとテープの粘着力及び使用
感に悪影響を与える。又、c)成分の量が20％を越えると
粘着力が低下する。この粘着層は、a)成分の共重合体と
b)成分の微粉末の総量が粘着層全体の組成に対して８０
％以上である限り、c)成分以外のものを含んでもよい。The composition of the pressure-sensitive adhesive layer in the pressure-sensitive adhesive tape of the present invention is such that the copolymer of the component (a) is 30 to 70%, preferably 40 to 65%, relative to the composition of the whole pressure-sensitive adhesive layer, and the solid of room temperature solid of the component (b) is small. The powder is in the range of 70% to 30%, preferably 60% to 35% with respect to the composition of the entire adhesive layer, and the component c) is 0 to 20%, preferably 0 to 10% with respect to the composition of the entire adhesive layer. %. If the amount of copolymer is less than 30%, the adhesive strength of the tape will be insufficient, and if it exceeds 70%, the strength will be too strong. If the amount of the fine powder at room temperature exceeds 70%, the adhesive strength of the tape becomes insufficient, and if it is less than 30%, it becomes too strong. If the particle size of the solid powder at room temperature exceeds 80 mesh, the adhesive strength and usability of the tape are adversely affected. Further, if the amount of the component c) exceeds 20%, the adhesive strength will decrease. This adhesive layer is a copolymer of component a)
The total amount of fine powder of component b) is 80 with respect to the composition of the entire adhesive layer.
Other than the component c) may be included as long as it is at least%.
次に本発明を実施例により具体的に説明する。Next, the present invention will be specifically described with reference to examples.
実施例１ アクリル酸ブチル１２．６％、アクリル酸２−エチルヘ
キシル１９％、Ｎ−メチロールアクリルアミド１．８
％、酢酸エチル４６．２％、メタノール３．２％及びト
ルエン１７．２％の混合液に重合触媒（ベンゾイルパー
オキサイド）を触媒量加え、７０〜８０℃にて５〜８時
間重合し、粘度１０００〜２０００cps（２０°）の粘
稠性溶液（共重合体含量３３．４％）（以下単に樹脂液
という。）を得る。この溶液７３部（重量以下同じ）
に、カオリン粉末（粒度２００メッシュふるい通過のも
の）２７部を加え均一に練合し、ポリエチレンシートに
展延し、通風乾燥により、溶媒を除去し、本発明の粘着
テープを得た。粘着テープの粘着層中の共重合体含量は
47.5重量％、カオリン粉末含量は52.5重量％である。Example 1 Butyl acrylate 12.6%, 2-ethylhexyl acrylate 19%, N-methylol acrylamide 1.8
%, Ethyl acetate 46.2%, methanol 3.2% and toluene 17.2%, a polymerization catalyst (benzoyl peroxide) is added in a catalytic amount, and polymerization is performed at 70 to 80 ° C. for 5 to 8 hours to obtain a viscosity. A viscous solution (copolymer content 33.4%) of 1000 to 2000 cps (20 °) (hereinafter simply referred to as resin solution) is obtained. 73 parts of this solution (same as below weight)
Then, 27 parts of kaolin powder (having a particle size of 200 mesh sieve) was added and kneaded uniformly, spread on a polyethylene sheet, and the solvent was removed by ventilation drying to obtain an adhesive tape of the present invention. The content of copolymer in the adhesive layer of the adhesive tape is
47.5% by weight, kaolin powder content is 52.5% by weight.
実施例２ 実施例１において、樹脂液と常温固体微粉末の種類及び
割合の下表に示すように変化させる以外は同様に処理し
て本発明の粘着テープを得ることができた。Example 2 A pressure-sensitive adhesive tape of the present invention could be obtained in the same manner as in Example 1, except that the types and ratios of the resin liquid and the room temperature solid fine powder were changed as shown in the table below.
なお、使用した樹脂液中の共重合体含量は33.4％であ
り、従って、得られた各粘着テープの粘着層中の共重合
体含量と常温固体微粉末含量は次のとおりであった。 The content of the copolymer in the resin liquid used was 33.4%. Therefore, the content of the copolymer in the adhesive layer of each of the obtained pressure-sensitive adhesive tapes and the content of solid powder at room temperature were as follows.
粘着 共重合体含量 常温固体微粉末 テープ （重量％） 含量（重量％） １ 43.8 56.2 ２ 38.3 61.7 ３ 52.8 47.2 ４ 43.8 56.2 ５ 38.3 61.7 ６ 43.8 56.2 ７ 43.8 56.2 実施例３ アクリル酸ブチル１２％、アクリル酸２−エチルヘキシ
ル２０％、Ｎ−メチロールアクリルアミド２％、アセト
ン２０％、酢酸エチル３１％及びトルエン１５％、の混
合液にベンゾイルパーオキサイドを２０ppm加え、７０
℃にて７時間加熱し粘度１６００cps（２０℃）の粘稠
性の樹脂液を得た。この樹脂液１００重量部にカオリン
粉末（粒度２００メッシュ以下）５６部及びニフエジビ
ン原末１０部を加え、均一に練合し、ポリエチレンシー
トに展延し通風乾燥により溶媒を除去し、次に５×１０
cm2にカットして、ニフエジビン含量１０mg／１枚のテ
ープ剤を得る。得られたテープ剤の粘着層中の共重合体
含量は34重量％、カオリン粉末含量56重量％、ニフェジ
ピン原末含量10重量％であった。Adhesive copolymer content Normal temperature solid fine powder tape (wt%) Content (wt%) 1 43.8 56.2 2 38.3 61.7 3 52.8 47.2 4 43.8 56.2 5 38.3 61.7 6 43.8 56.2 7 43.8 56.2 Example 3 Butyl acrylate 12%, Acrylic 20 ppm of benzoyl peroxide was added to a mixed solution of 20% of 2-ethylhexyl acid, 2% of N-methylolacrylamide, 20% of acetone, 31% of ethyl acetate and 15% of toluene.
It was heated at ℃ for 7 hours to obtain a viscous resin liquid having a viscosity of 1600 cps (20 ℃). To 100 parts by weight of this resin solution, 56 parts of kaolin powder (particle size: 200 mesh or less) and 10 parts of niphedibin bulk powder were added, uniformly kneaded, spread on a polyethylene sheet to remove the solvent by ventilation drying, and then 5 ×. 10
Cut into cm 2 to obtain a tape preparation containing 10 mg / nifedibin. The content of copolymer in the adhesive layer of the obtained tape preparation was 34% by weight, the content of kaolin powder was 56% by weight, and the content of nifedipine bulk powder was 10% by weight.
実施例４ 実施例３で得た樹脂液１００重量部にポリエチレングリ
コール６０００（粘度２００メッシュ以下）４４部及び
インドメタシン原末２０部、プロピレングリコール２部
を加え、均一に練合しポリプロピレンシートに展延し通
風乾燥により溶媒を除去し、次に１０×１０cm2にカッ
トしてインドメタシン含量２０mg／１枚のテープ剤を得
る。得られたテープ剤の粘着層中の共重合体含量は34重
量％、ポリエチレングリコール含量は44重量％、インド
メタシン原末含量は20重量％、プロピレングリコール含
量は２重量％であった。Example 4 To 100 parts by weight of the resin liquid obtained in Example 3, 44 parts of polyethylene glycol 6000 (viscosity of 200 mesh or less), 20 parts of indomethacin bulk powder, and 2 parts of propylene glycol were added and uniformly kneaded and spread on a polypropylene sheet. Then, the solvent is removed by ventilation drying, and then the product is cut into 10 × 10 cm 2 to obtain a tape preparation having an indomethacin content of 20 mg / sheet. The adhesive layer of the obtained tape preparation had a copolymer content of 34% by weight, a polyethylene glycol content of 44% by weight, an indomethacin bulk powder content of 20% by weight, and a propylene glycol content of 2% by weight.
従来の粘着テープは、共重合体粘稠性溶液に可塑剤及び
架橋剤を加えて成形し製造していたが、本発明の粘着テ
ープにおいては、これら可塑剤や架橋剤等の刺激性物質
の代りにカオリン等の常温固体微粉末を用いており、従
って、本発明の粘着テープを皮膚に貼布しても皮膚に対
する刺激性はない。又、使用する共重合体の量、常温固
体微粉末の粒度と量、任意成分であるc)成分の量を特定
の範囲としたことにより、本発明の粘着テープの皮膚に
対する粘着力が適度なものとなり、本発明の粘着テープ
を皮膚に貼布した場合、長時間にわたりはがれることな
く皮膚に粘着しており、又、貼布した本発明の粘着テー
プを皮膚から剥離する際に、痛みを感ずることなくはが
すことができる。又、微粉末の粒度が特定の値以下とな
っているため、良好な使用感を与える。Conventional pressure-sensitive adhesive tapes were produced by adding a plasticizer and a cross-linking agent to a viscous solution of a copolymer and molding them, but in the pressure-sensitive adhesive tape of the present invention, a stimulable substance such as the plasticizer or the cross-linking agent is used. Instead, a normal temperature solid fine powder such as kaolin is used, and therefore, even if the adhesive tape of the present invention is applied to the skin, it is not irritating to the skin. Further, the amount of the copolymer to be used, the particle size and amount of the room temperature solid fine powder, and the amount of the component c) which is an optional component within a specific range, the adhesive strength of the adhesive tape of the present invention to the skin is appropriate. When the adhesive tape of the present invention is applied to the skin, it adheres to the skin without peeling for a long time, and when the applied adhesive tape of the present invention is peeled from the skin, a pain is felt. It can be removed without Further, since the particle size of the fine powder is below a specific value, a good feeling of use is given.
以下の試験例により、これら本発明の効果を具体的に示
す。The effects of the present invention will be specifically shown by the following test examples.
試験例１ 本発明で得られた実施例１の粘着テープを１０人のボラ
ンテイアの腕に貼布し、官能試験をしたところ、試験期
間（朝９．００〜夕方５．００）中剥離もなく、試験終
了時に皮膚よりはがすときも痛みを感ずることなく、使
用感は良好であった。Test Example 1 The pressure-sensitive adhesive tape of Example 1 obtained by the present invention was applied to the arms of 10 volunteers and subjected to a sensory test. No peeling occurred during the test period (9.00 am to 5.00 pm). At the end of the test, there was no pain when peeled from the skin, and the usability was good.
試験例２ 本発明の粘着テープを、粘着面を上にして支持体シート
面を下にして台上に固定する。次いで粘着面に約１．７
７cm2の円板状スピンドルを圧着し、そのスピンドルを
６cm／分の速度で引き離し、その剥離に要する最大荷重
をレオメーターを用いて測定した。Test Example 2 The pressure-sensitive adhesive tape of the present invention is fixed on a table with the pressure-sensitive adhesive surface facing up and the support sheet surface facing down. Then about 1.7 on the adhesive surface
A disk-shaped spindle of 7 cm 2 was pressure-bonded, the spindle was separated at a speed of 6 cm / min, and the maximum load required for the separation was measured using a rheometer.
その結果を第２表に示す。The results are shown in Table 2.
なお粘着力と官能試験の関係を上記と同様方法によって
調べたところ、官能試験において、粘着力が適度である
と感じる範囲は上記方法においてその剥離力（剥離時の
最大荷重）が約１kg〜１．７５kgの範囲であった。 The relationship between the adhesive force and the sensory test was examined by the same method as above. In the sensory test, the range in which the adhesive force was felt to be moderate was such that the peeling force (maximum load during peeling) was about 1 kg to 1 in the above method. The range was 0.75 kg.
比較例１ 樹脂液量とカオリン粉末量を変化させ、その他は実施例
１と同様にして、粘着層中の共重合体含量とカオリン粉
末含量が次のとおりの粘着テープを得た。Comparative Example 1 An adhesive tape having the following copolymer content and kaolin powder content in the adhesive layer was obtained in the same manner as in Example 1 except that the amount of resin liquid and the amount of kaolin powder were changed.
粘着テープ 共重合体含量 カオリン粉末含 No. （重量％） 量（重量％） ８ 20.5 79.5 ９ 82.4 17.6 これらの粘着テープについて試験例２と同様にして剥離
時の最大荷重を測定したところ、次のとおりであった。Adhesive tape Copolymer content Kaolin powder content No. (% by weight) Amount (% by weight) 8 20.5 79.5 9 82.4 17.6 The maximum load during peeling was measured for these adhesive tapes in the same manner as in Test Example 2. It was as it was.
粘着テープMo. 剥離時の最大荷重（kg） ８ 0.44 ９ 2.98Maximum load when peeling adhesive tape Mo. (kg) 8 0.44 9 2.98
Claims (1)
エステルを主成分とする共重合体を粘着層全体の組成に
対し、３０〜７０重量％ b) 粒度８０メッシュ以下の常温固体微粉末を粘着層全
体の組成に対し、７０〜３０重量％および c) 上記a)の共重合体への溶解性成分を粘着層全体の組
成に対し、０〜２０重量％ を含む粘着層を支持体シート上に有することを特徴とす
る医療用アクリル系粘着テープ。1. A) 30 to 70% by weight based on the total composition of the adhesive layer of a copolymer containing acrylic acid ester or methacrylic acid ester as a main component b) Adhesive layer of room temperature solid fine powder having a particle size of 80 mesh or less An adhesive layer containing 70 to 30% by weight, based on the total composition, of c) and 0 to 20% by weight, based on the composition of the entire adhesive layer, of the component soluble in the copolymer in a) above on a support sheet. A medical acrylic pressure-sensitive adhesive tape having.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60075378A JPH066154B2 (en) | 1985-04-11 | 1985-04-11 | Medical acrylic adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60075378A JPH066154B2 (en) | 1985-04-11 | 1985-04-11 | Medical acrylic adhesive tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61234865A JPS61234865A (en) | 1986-10-20 |
| JPH066154B2 true JPH066154B2 (en) | 1994-01-26 |
Family
ID=13574474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60075378A Expired - Lifetime JPH066154B2 (en) | 1985-04-11 | 1985-04-11 | Medical acrylic adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066154B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5652867B2 (en) * | 2009-11-20 | 2015-01-14 | 日東電工株式会社 | Medical adhesive composition |
| JP5665116B2 (en) * | 2009-11-20 | 2015-02-04 | 日東電工株式会社 | Patches and patch preparations |
-
1985
- 1985-04-11 JP JP60075378A patent/JPH066154B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61234865A (en) | 1986-10-20 |
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