JP2012177069A - Pressure-sensitive adhesive tape - Google Patents
Pressure-sensitive adhesive tape Download PDFInfo
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- JP2012177069A JP2012177069A JP2011092777A JP2011092777A JP2012177069A JP 2012177069 A JP2012177069 A JP 2012177069A JP 2011092777 A JP2011092777 A JP 2011092777A JP 2011092777 A JP2011092777 A JP 2011092777A JP 2012177069 A JP2012177069 A JP 2012177069A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
- C09J7/405—Adhesives in the form of films or foils characterised by release liners characterised by the substrate of the release liner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/33—Applications of adhesives in processes or use of adhesives in the form of films or foils for batteries or fuel cells
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
- C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate
Abstract
Description
本発明は、二次電池の外部を絶縁仕上げするための感圧性粘着テープに係るものであり、より詳細には、静電気を防止でき、絶縁シートと同一の絶縁性及び優れた付着性を有する感圧性粘着テープに係るものである。 The present invention relates to a pressure-sensitive adhesive tape for insulating the exterior of a secondary battery. More specifically, the present invention can prevent static electricity and has the same insulating properties and excellent adhesion as an insulating sheet. It concerns a pressure-sensitive adhesive tape.
モバイル電子製品に用いられる二次電池は、一度使って廃棄処分される一次電池とは違って、外部電源を利用して充電すれば半永久的に使用でき、ラップトップコンピュータ、携帯電話機、ビデオカメラ等電子機器に必ず使用されているものである。 Secondary batteries used in mobile electronic products can be used semi-permanently when charged using an external power supply, unlike primary batteries that are discarded after being used once. Laptop computers, mobile phones, video cameras, etc. It is always used in electronic equipment.
二次電池は充電物質に何を使うかによって、ニッケル電池、イオン電池、リチウムイオン電池、ポリマー電池、リチウムポリマー電池及びリチウム硫黄電池等があり、その中でリチウムイオン電池は陽極と陰極の間に有機電解質を置いて充電と放電を繰り返す原理からなり、軽く、高容量の電池を製造するのに有利なため二次電池市場の大部分を占めている。 Secondary batteries include nickel batteries, ion batteries, lithium ion batteries, polymer batteries, lithium polymer batteries, lithium sulfur batteries, etc., depending on what is used for the charging substance, among which lithium ion batteries are between the anode and cathode. It is based on the principle of repeated charging and discharging with an organic electrolyte, and it occupies most of the secondary battery market because it is advantageous for manufacturing light and high capacity batteries.
リチウムポリマー電池は、リチウムイオン電池より一段階発展した電池で、陽極と陰極の間に固体やゲル状のポリマー材料でできた電解質を用いて電気を発生させるため、多様な形態で電池を製造でき、厚さの薄い電池を製造できる。 Lithium polymer battery is a battery that is one step higher than lithium ion battery, and it generates electricity using electrolyte made of solid or gel polymer material between anode and cathode, so it can be manufactured in various forms. A thin battery can be manufactured.
リチウムポリマー電池に用いられる感圧性粘着テープは、高分子電解質の電極を保護する絶縁シートの両側面の外郭部位を保護する役割をするが、このためには絶縁シートと同一の絶縁性能、高い付着性及び優れた作業性が求められる。 The pressure-sensitive adhesive tape used in lithium polymer batteries protects the outer parts of both sides of the insulating sheet that protects the electrode of the polymer electrolyte. For this purpose, the same insulating performance and high adhesion as the insulating sheet are used. And excellent workability are required.
しかし、従来開発された感圧性粘着テープは異物や静電気等により表面が汚れやすく、弾性が高いため、屈曲部位に付着すると剥離が発生しやすいという問題点があった。 However, the pressure-sensitive adhesive tapes that have been conventionally developed have a problem that the surface is easily soiled by foreign matter, static electricity, and the like, and the elasticity is high.
また、９０℃以上の温度を有する部位に付着後、低温多湿な環境にさらされると剥離しやすいという問題点があった。 In addition, after adhering to a part having a temperature of 90 ° C. or higher, there is a problem that it is easily peeled off when exposed to a low temperature and high humidity environment.
本発明は、絶縁シートと同一の絶縁性能を有すると共に、高い付着性と優れた作業性を有する感圧性粘着テープを提供することを目的とする。 An object of this invention is to provide the pressure-sensitive adhesive tape which has the same insulation performance as an insulation sheet, and has high adhesiveness and outstanding workability | operativity.
本発明は、異物や静電気等により表面が汚染されることなく、延伸率がよく、屈曲部位から剥離が発生しない感圧性粘着テープを提供することを他の目的とする。 Another object of the present invention is to provide a pressure-sensitive adhesive tape that does not contaminate the surface with foreign matter, static electricity, or the like, has a good stretch ratio, and does not peel from the bent portion.
本発明は、耐熱、耐寒及び耐湿性に優れ、耐熱、耐寒及び耐湿の条件で剥離が発生しない感圧性粘着テープを提供することをさらなる他の目的とする。 Another object of the present invention is to provide a pressure-sensitive adhesive tape that is excellent in heat resistance, cold resistance, and moisture resistance and that does not peel off under the conditions of heat resistance, cold resistance, and moisture resistance.
本発明の目的は、ポリエチレンテレフタレートからなる離型層、前記離型層の上部面に形成される粘着層、前記粘着層の上部面に形成されるフィルム層及び前記フィルム層の上部面に形成される表面層から構成されることを特徴とする感圧性粘着テープの提供により達成される。 An object of the present invention is to be formed on a release layer made of polyethylene terephthalate, an adhesive layer formed on the upper surface of the release layer, a film layer formed on the upper surface of the adhesive layer, and an upper surface of the film layer. This is achieved by providing a pressure-sensitive adhesive tape characterized by comprising a surface layer.
本発明の望ましい特徴によれば、前記粘着層は、１５乃至４０マイクロメータの厚さに形成され、アクリル粘着剤９０乃至９５重量部及びアルキルフェノール５乃至１０重量部からなるものとする。 According to a preferred aspect of the present invention, the adhesive layer is formed to a thickness of 15 to 40 micrometers and includes 90 to 95 parts by weight of an acrylic adhesive and 5 to 10 parts by weight of alkylphenol.
本発明のさらに望ましい特徴によれば、前記フィルム層は、１２．５乃至５０マイクロメータの厚さに形成され、ポリイミドまたはポリアラミドからなるものとする。 According to a further preferred feature of the present invention, the film layer is formed to a thickness of 12.5 to 50 micrometers and is made of polyimide or polyaramid.
本発明のさらに望ましい特徴によれば、前記表面層は、５乃至１０マイクロメータの厚さに形成され、インク混合物８０乃至９０重量部に吸油性シリカ１０乃至２０重量部を混合してなるものとする。 According to a further preferred feature of the present invention, the surface layer is formed to a thickness of 5 to 10 micrometers, and is formed by mixing 80 to 90 parts by weight of an ink mixture with 10 to 20 parts by weight of oil-absorbing silica. To do.
本発明のまたさらに望ましい特徴によれば、前記インク混合物は、カーボンブラック２０乃至３０重量部、バインダー６０乃至７０重量部、アクリル酸１乃至５重量部及びポリメチルメタアクリレート５乃至１０重量部からなるものとする。 According to still further preferred features of the present invention, the ink mixture comprises 20 to 30 parts by weight of carbon black, 60 to 70 parts by weight of binder, 1 to 5 parts by weight of acrylic acid, and 5 to 10 parts by weight of polymethyl methacrylate. Shall.
本発明のまたさらに望ましい特徴によれば、前記バインダーは１００万乃至２００万の分子量を持つポリメチルメタアクリレートであるものとする。 According to still further desirable features of the present invention, the binder is polymethyl methacrylate having a molecular weight between 1 million and 2 million.
本発明のまたさらに望ましい特徴によれば、前記表面層の上部面には帯電防止剤がコーティングされているものとする。 According to still further desirable features of the present invention, the top surface of the surface layer is coated with an antistatic agent.
本発明のまたさらに望ましい特徴によれば、前記感圧性粘着テープは黒色であるものとする。 According to still further desirable features of the invention, the pressure sensitive adhesive tape is black.
本発明による感圧性粘着テープは、絶縁シートと同一の絶縁性能を有すると共に、高い付着性と優れた作業性を有する卓越した効果を示す。 The pressure-sensitive adhesive tape according to the present invention has the same insulating performance as that of the insulating sheet, and exhibits an excellent effect of having high adhesion and excellent workability.
また、異物や静電気等により表面が汚れることなく、延伸率に優れ、屈曲部位から剥離が発生しない卓越した効果を示す。 In addition, the surface is not soiled by foreign matter, static electricity, etc., and it has an excellent stretch ratio and exhibits an excellent effect that does not cause peeling from the bent portion.
さらに、耐熱、耐寒及び耐湿性に優れ、耐熱、耐寒及び耐湿の条件で剥離が発生しない卓越した効果を示す。 Furthermore, it is excellent in heat resistance, cold resistance and moisture resistance, and exhibits an excellent effect in which peeling does not occur under the conditions of heat resistance, cold resistance and moisture resistance.
以下、本発明の望ましい実施例と各成分の物性を詳細に説明するが、これは本発明が属する技術分野において通常の知識を有する者が発明を容易に実施することができる程度に詳細に説明するためのものであり、これに本発明の技術的な思想及び範疇が限定されることを意味するものではない。 Hereinafter, preferred embodiments of the present invention and physical properties of each component will be described in detail, but this will be described in detail to the extent that a person having ordinary knowledge in the technical field to which the present invention belongs can easily carry out the invention. However, this does not mean that the technical idea and category of the present invention are limited thereto.
本発明による感圧性粘着テープは、ポリエチレンテレフタレートからなる離型層１０、前述した離型層１０の上部面に形成される粘着層２０、前述した粘着層２０の上部面に形成されるフィルム層３０及び前述したフィルム層３０の上部面に形成される表面層４０からなる。 The pressure-sensitive adhesive tape according to the present invention includes a release layer 10 made of polyethylene terephthalate, an adhesive layer 20 formed on the upper surface of the aforementioned release layer 10, and a film layer 30 formed on the upper surface of the aforementioned adhesive layer 20. And the surface layer 40 formed on the upper surface of the film layer 30 described above.
前述した離型層１０は、５０乃至７０マイクロメータの厚さに形成され、ポリエチレンテレフタレート（ＰＥＴ、Ｐｏｌｙｅｔｈｙｌｅｎｅ ｔｅｒｅｐｈｔｈａｌａｔｅ）からなる。ポリエチレンテレフタレートは機械的物性に優れ、前述した粘着層２０を保護する役割を果たし、本発明による感圧性粘着テープを適用部位に形成すれば、前述した粘着層２０から容易に離型でき、作業上の便宜性を図ることができる。 The release layer 10 described above is formed to a thickness of 50 to 70 micrometers and is made of polyethylene terephthalate (PET). Polyethylene terephthalate has excellent mechanical properties and plays a role in protecting the above-mentioned adhesive layer 20, and if the pressure-sensitive adhesive tape according to the present invention is formed at the application site, it can be easily released from the above-mentioned adhesive layer 20, The convenience can be achieved.
前述した粘着層２０は、前述した離型層１０の上部面に形成され、感圧性粘着テープに粘着性を付与することになり、１５乃至４０マイクロメータの厚さに形成され、アクリル粘着剤９０乃至９５重量部及びアルキルフェノール５乃至１０重量部からなるものが望ましい。 The above-mentioned adhesive layer 20 is formed on the upper surface of the above-mentioned release layer 10 and imparts adhesiveness to the pressure-sensitive adhesive tape, is formed to a thickness of 15 to 40 micrometers, and the acrylic adhesive 90 It is desirable that it consists of 95 parts by weight and 5-10 parts by weight of alkylphenol.
前述した粘着層２０は、感圧性粘着テープを適用部位に形成する際、前述した離型層１０を除去して適用部位と当接する部位であり、感圧性粘着テープが適用部位へ優れた粘着力を引き出せるように、分子量が８０万乃至１００万である高分子アクリル粘着剤にアルキルフェノールが含有されてなる。 The adhesive layer 20 described above is a part that contacts the application part by removing the release layer 10 described above when the pressure-sensitive adhesive tape is formed at the application part, and the pressure-sensitive adhesive tape has excellent adhesive force to the application part. The polymer acrylic pressure-sensitive adhesive having a molecular weight of 800,000 to 1,000,000 contains alkylphenol.
この際、前述した成分からなる粘着層２０は、耐熱性、耐寒性及び耐湿性に優れた成分からなり、９０℃以上の高温や、零下２０℃以下の低温及び湿度５０％以上の条件でも感圧性粘着テープが適用部位から剥離しないようにする役割を果たす。 Under the present circumstances, the adhesion layer 20 which consists of an above-mentioned component consists of a component excellent in heat resistance, cold resistance, and moisture resistance, and is sensitive also on the conditions of 90 degreeC or more high temperature, the low temperature below 20 degreeC, and humidity 50% or more. It plays a role of preventing the pressure-sensitive adhesive tape from peeling from the application site.
前述したフィルム層３０は、前述した粘着層２０の上部面に形成され、感圧性粘着テープが屈曲部位から剥離されることを遮断する役割を果たし、１２．５乃至５０マイクロメータの厚さに形成され、ポリイミド（ＰＩ、Ｐｏｌｙ Ｉｍｉｄｅ）またはポリアラミド（ＰＡ、Ｐｏｌｙ Ａｒａｍｉｄ）からなる。 The above-described film layer 30 is formed on the upper surface of the above-described adhesive layer 20 and serves to block the pressure-sensitive adhesive tape from being peeled off from the bent portion, and is formed to have a thickness of 12.5 to 50 micrometers. And made of polyimide (PI) or polyaramid (PA).
前述したポリイミドからなるフィルム層３０は、高い熱安定性及び効果的な機械的特徴としてＩＴ及び宇宙航空分野でも用いられ、４００℃以上の高温や零下２６９℃の低温に耐え、薄く屈曲性に優れ、先端産業素材として用いられている。 The above-described film layer 30 made of polyimide is used in the IT and aerospace fields as high thermal stability and effective mechanical characteristics, and can withstand a high temperature of 400 ° C. or higher and a low temperature of 269 ° C. below zero, and is thin and excellent in flexibility. It is used as a leading industrial material.
また、耐化学性及び耐磨耗性も強く、劣悪な環境で安定した性能維持が必要な分野で広く使用され、開発の初期は主に航空宇宙分野の材料として用いられたが、近年、高耐熱性材料が要求される電子産業分野にも適合する材料であり、前述したポリイミドからなるフィルム層３０は延伸率が１００％であるため、このようなフィルム層３０が形成された感圧性粘着テープは、高温や低温及び屈曲部位に付着した際、外部環境による変形が発生しない。 In addition, it has strong chemical resistance and wear resistance, and is widely used in fields that require stable performance maintenance in a poor environment.In the early stages of development, it was mainly used as a material in the aerospace field. Since the film layer 30 made of polyimide has a stretching ratio of 100% and is suitable for the electronics industry where a heat-resistant material is required, the pressure-sensitive adhesive tape on which such a film layer 30 is formed. Will not be deformed by the external environment when adhering to high and low temperatures and bent parts.
前述したフィルム層３０は、ポリアラミドからなることもあるが、ポリアラミドは熱に強く機械的強度が優れた芳香族繊維として、航空宇宙分野や軍事的に多く用いられ、５ｍｍ程度の厚さでも２トンの自動車を持ち上げる程度の機械的強度を有しており、耐熱温度が５００℃で高温でも感圧性粘着テープの物性が変わらないようにする役割を果たす。 The film layer 30 described above may be made of polyaramid, but polyaramid is often used in the aerospace field and military as an aromatic fiber that is resistant to heat and has excellent mechanical strength, and is 2 tons even at a thickness of about 5 mm. It has a mechanical strength enough to lift an automobile, and plays a role of keeping the physical properties of the pressure-sensitive adhesive tape from changing even at a high temperature of 500 ° C.
前述した表面層４０は、前述したフィルム層３０の上部面に形成され、フィルム層３０を保護し、感圧性粘着テープに色を付ける役割を果たし、５乃至１０マイクロメータの厚さに形成され、インク混合物８０乃至９０重量部に吸油性シリカ１０乃至２０重量部を混合してなる。 The aforementioned surface layer 40 is formed on the upper surface of the aforementioned film layer 30, serves to protect the film layer 30 and color the pressure sensitive adhesive tape, and is formed to a thickness of 5 to 10 micrometers, It is formed by mixing 10 to 20 parts by weight of oil-absorbing silica with 80 to 90 parts by weight of the ink mixture.
この際、前述したインク混合物は、カーボンブラック２０乃至３０重量部、バインダー６０乃至７０重量部、アクリル酸１乃至５重量部及びポリメチルメタアクリレート５乃至１０重量部からなるが、前述したカーボンブラックにより本発明の感圧性粘着テープは固有の黒色になる。 At this time, the ink mixture is composed of 20 to 30 parts by weight of carbon black, 60 to 70 parts by weight of binder, 1 to 5 parts by weight of acrylic acid, and 5 to 10 parts by weight of polymethyl methacrylate. The pressure-sensitive adhesive tape of the present invention has an inherent black color.
前述したポリメチルメタアクリレートは、分子量が１０万乃至５０万で、アクリルが有する耐化学性、耐スクラッチ性及び透明性を提供し、表面層の機械的物性を向上させる役割をする。 The polymethyl methacrylate described above has a molecular weight of 100,000 to 500,000, provides the chemical resistance, scratch resistance and transparency of acrylic, and improves the mechanical properties of the surface layer.
また、前述したバインダーは、１００万乃至２００万の分子量を有するポリメチルメタアクリレートが望ましく、１００万乃至２００万の分子量を有するポリメチルメタアルリレートは粘度が非常に高いため、前述した吸油性シリカと前述したカーボンブラック、アクリル酸及び１０万乃至５０万の分子量を有するポリメチルメタアクリレートを物理的に結束させる役割を果たす。 The binder mentioned above is preferably polymethyl methacrylate having a molecular weight of 1,000,000 to 2,000,000, and polymethyl methacrylate having a molecular weight of 1,000,000 to 2,000,000 has a very high viscosity. And carbon black, acrylic acid, and polymethyl methacrylate having a molecular weight of 100,000 to 500,000 as described above.
前述した吸油性シリカは、表面層４０の表面の油性成分や指紋等による汚染を防止する役割を果たし、前述したインク混合物はコロナ処理と、プライマー処理を経た材料からなって前述したフィルム層３０を構成するポリイミド成分との密着性に優れた特徴を表す。 The above-described oil-absorbing silica plays a role of preventing contamination due to oily components and fingerprints on the surface of the surface layer 40, and the above-mentioned ink mixture is made of a material that has undergone corona treatment and primer treatment to form the above-described film layer 30. It represents a feature excellent in adhesiveness with the constituent polyimide component.
また、前述した表面層４０には、静電気による汚染を防止するために帯電防止剤がコーティングされるが、このような帯電防止剤は表面層４０の艶と色を損傷させずに、表面抵抗が１０８を示す、優れた帯電防止効果を有する。 The surface layer 40 is coated with an antistatic agent in order to prevent contamination due to static electricity, but such an antistatic agent has a surface resistance without damaging the gloss and color of the surface layer 40. 10 8 which has an excellent antistatic effect.
この際、前述した帯電防止剤は、ＬｉＢＦ４、ＬｉＣｌＯ４、ＬｉＰＦ６、ＬｉＡｓＦ６、ＬｉＳｂＦ６、ＬｉＳＯ３ＣＦ３、ＬｉＮ（ＳＯ２ＣＦ３）２、ＬｉＳＯ３Ｃ４Ｆ９、ＬｉＣ（ＳＯ２ＣＦ３）３及びＬｉＢ（Ｃ６Ｈ５）４から選択される一つ以上を含んでなるものが望ましい。 In this case, antistatic agent described above, LiBF 4, LiClO 4, LiPF 6, LiAsF 6, LiSbF 6, LiSO 3 CF 3, LiN (SO 2 CF 3) 2, LiSO 3 C 4 F 9, LiC (SO 2 It is desirable to include one or more selected from CF 3 ) 3 and LiB (C 6 H 5 ) 4 .
前述したように、ポリエチレンテレフタレートからなる離型層１０、前述した離型層１０の上部面に形成されてアクリル粘着剤９０乃至９５重量部及びアルキルフェノール５乃至１０重量部からなる粘着層２０、前述した粘着層２０の上部面に形成されてポリイミドからなるフィルム層３０、及び前述したフィルム層３０の上部面に形成されてインク混合物８０乃至９０重量部に吸油性シリカ１０乃至２０重量部からなる表面層４０から構成される感圧性粘着テープは、絶縁シートと同じ絶縁性能を有すると共に、高い付着性と優れた作業性を有する。また、前述した表面層には帯電防止剤がコーティングされて異物や静電気等により表面が汚染されることなく、延伸率に優れ、屈曲部位から剥離が発生しない。 As described above, the release layer 10 made of polyethylene terephthalate, the pressure-sensitive adhesive layer 20 formed on the upper surface of the release layer 10 and made of 90 to 95 parts by weight of acrylic pressure-sensitive adhesive and 5 to 10 parts by weight of alkylphenol, A film layer 30 formed of polyimide formed on the upper surface of the adhesive layer 20 and a surface layer formed of 10 to 20 parts by weight of oil-absorbing silica on 80 to 90 parts by weight of the ink mixture formed on the upper surface of the film layer 30 described above. The pressure-sensitive adhesive tape composed of 40 has the same insulating performance as the insulating sheet, and has high adhesion and excellent workability. Further, the surface layer described above is coated with an antistatic agent so that the surface is not contaminated by foreign matter, static electricity, or the like, has an excellent stretch ratio, and does not peel from the bent portion.
また、耐熱性、耐寒性及び耐湿性に優れた材料が用いられ、高温や零下及び多湿の条件でも変形や剥離が発生しない卓越した効果を示す。 In addition, a material excellent in heat resistance, cold resistance, and moisture resistance is used, and exhibits an excellent effect in which deformation and peeling do not occur even under high temperature, under zero and high humidity conditions.
１０ 離型層
２０ 粘着層
３０ フィルム層
４０ 表面層
10 Release layer 20 Adhesive layer 30 Film layer 40 Surface layer
Claims (8)
前記離型層の上部面に形成される粘着層と、
前記粘着層の上部面に形成されるフィルム層と、
前記フィルム層の上部面に形成される表面層と、からなることを特徴とする感圧性粘着テープ。 A release layer made of polyethylene terephthalate;
An adhesive layer formed on the upper surface of the release layer;
A film layer formed on the upper surface of the adhesive layer;
A pressure-sensitive adhesive tape comprising a surface layer formed on an upper surface of the film layer.
The pressure-sensitive adhesive tape according to claim 1, wherein the pressure-sensitive adhesive tape is black.
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| KR10-2011-0016362 | 2011-02-24 | ||
| KR1020110016362A KR101292722B1 (en) | 2011-02-24 | 2011-02-24 | Pressure-sensitive adhesive tape |
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| JP2012177069A true JP2012177069A (en) | 2012-09-13 |
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| KR (1) | KR101292722B1 (en) |
| CN (1) | CN102649898B (en) |
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| KR101587326B1 (en) | 2012-11-16 | 2016-01-20 | 주식회사 엘지화학 | Swellin tape for filling a gap |
| KR101438929B1 (en) * | 2012-11-30 | 2014-09-05 | 조은미 | Adhesive Tape For Connecting The Secondary Battery Electrode |
| CN104812580B (en) * | 2012-12-27 | 2018-07-06 | 日东新兴有限公司 | Submersible motor insulating paper |
| CN105369481A (en) * | 2014-08-11 | 2016-03-02 | 常熟市金陵无纺布有限公司 | A white anti-skid adhesive non-woven cloth and a method for manufacturing the same |
| KR102367513B1 (en) * | 2015-05-29 | 2022-02-24 | 린텍 가부시키가이샤 | Adhesive sheet |
| US10550289B2 (en) * | 2015-05-29 | 2020-02-04 | Lintec Corporation | Pressure sensitive adhesive sheet |
| JP6553520B2 (en) * | 2016-01-14 | 2019-07-31 | 信越化学工業株式会社 | Thermally conductive cured product, adhesive tape and adhesive sheet having the cured product |
| KR102278442B1 (en) | 2016-09-21 | 2021-07-16 | 삼성에스디아이 주식회사 | Rechargeable lithium battery |
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|---|---|---|---|---|
| JPH07281420A (en) * | 1994-04-04 | 1995-10-27 | Sekisui Chem Co Ltd | Adhesive film for protection of photomask |
| JP2001011406A (en) * | 1999-06-30 | 2001-01-16 | Oji Paper Co Ltd | Pressure-sensitive adhesive sheet |
| JP2004203920A (en) * | 2002-12-24 | 2004-07-22 | Nitto Denko Corp | Pressure-sensitive adhesive composition and pressure-sensitive adhesive tape |
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| JP3901490B2 (en) * | 2001-10-23 | 2007-04-04 | 日東電工株式会社 | Release liner and pressure-sensitive adhesive tape or sheet using the same |
| CN1973013B (en) * | 2004-06-22 | 2010-09-15 | 琳得科株式会社 | Adhesive sheet manufacturing method |
| US7759442B2 (en) * | 2005-01-26 | 2010-07-20 | Nitto Denko Corporation | Adhesive composition, adhesive optical film and image display device |
| JP5373296B2 (en) * | 2008-02-21 | 2013-12-18 | 日東電工株式会社 | Double-sided adhesive tape and liquid crystal display device having reflection and light shielding functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07281420A (en) * | 1994-04-04 | 1995-10-27 | Sekisui Chem Co Ltd | Adhesive film for protection of photomask |
| JP2001011406A (en) * | 1999-06-30 | 2001-01-16 | Oji Paper Co Ltd | Pressure-sensitive adhesive sheet |
| JP2004203920A (en) * | 2002-12-24 | 2004-07-22 | Nitto Denko Corp | Pressure-sensitive adhesive composition and pressure-sensitive adhesive tape |
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| KR101292722B1 (en) | 2013-08-01 |
| CN102649898B (en) | 2014-04-16 |
| CN102649898A (en) | 2012-08-29 |
| KR20120097048A (en) | 2012-09-03 |
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