TW201113350A - Electrically peelable adhesive product and method for peeling the same - Google Patents
Electrically peelable adhesive product and method for peeling the same Download PDFInfo
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- TW201113350A TW201113350A TW099129227A TW99129227A TW201113350A TW 201113350 A TW201113350 A TW 201113350A TW 099129227 A TW099129227 A TW 099129227A TW 99129227 A TW99129227 A TW 99129227A TW 201113350 A TW201113350 A TW 201113350A
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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
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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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
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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
- C09J7/30—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
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
201113350 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種電剝離性黏著製品及其剝離方法。 更詳細而言,本發明之電剝離性黏著製品,係僅施加電壓 使黏著力降低,其結果可容易地將該製品自被著體剝離。 « 【先前技術】 再剝離性黏著膠帶使用於各種用途(例如:表面保護 膜、塗裝用遮蔽膠帶、可再剝離的便條紙等)。此黏著膠帶 係由一般的基材與積層於該基材上之黏著劑層所構成。黏 著劑層需同時具黏著性與再剝離性。換言之,黏著劑層需 要當被著體搬運、貯藏、加工時等不會自被著體剝離之程 度的黏著性。此外,黏著劑層需要當達到效果後容易取下 之再剝離性。 作為實現上述黏著性和再剝離性之相反性質之方法, 提出例如曰本特表2003-504504號公報(專利文獻1)、 W02007/018239號公報(專利文獻2)等所記載之方法。 日本特表2003-504504號公報提出一種含有施加電壓 時具有剝離性之環氧系化合物之環氧系接著劑。實施例中 所例示之環氧系化合物為分子中具有二硫醚鍵之特殊化合 物。此公報係記載使用此環氧系接著劑可提供一種施加電 壓時可剝離之接著劑。 另一方面,W02007/018239號公報係記載提供一種使 用離子液體作為接著劑之添加劑,施加電壓時可剝離之接 著劑。此公報中,離子液體為室溫下為液體之熔融鹽,無 4 322164 201113350 蒸汽壓且具有高耐熱性、不燃性、高化學安定性等性質。 [先前技術文獻] [專利文獻] [專利文獻1]日本特表2003-504504號公報 [專利文獻2] W02007/018239號公報 【發明内容】 (發明欲解決之課題) 然而,藉由此環氧系接著劑接合時,在60°C及50V條 件下,維持30分鐘始能剝離,剝離時有加溫及長時間施加 電壓之必要。 此外,環氧系化合物及離子液體,如同該些公報中所 記載,係具有特殊構造之化合物因此價格昂貴,使用該等 則難以提供便宜的黏著膠帶。 再者,以上之技術,貼合材料(黏著膠帶與被著體)兩 者皆須具有導電性之必要,用途受到限制。 因此,期望提供一種使用便宜的材料,不論被著體之 導電性之程度,在短時間内即使不加溫亦可剝離,可顯示 與使用環氧系化合物及離子液體時同等以上之物性之黏著 膠帶之電剝離性黏著製品。 (解決課題之手段) 因此,本發明提供一種電剝離性黏著製品,其係具備 導電性支撐體、形成於該導電性支撐體上並且由含有丙烯 酸系黏著劑或聚酯黏著劑與電解液之電剝離性黏著劑組成 物所構成之電剝離性黏著劑層、以及形成於前述電剝離性 5 322164 201113350 黏著劑層之表面之導電層, 月1J述電剝離性黏著劑組成物具有⑺…至之離 子導電率, 别述電解液為含有有機溶劑和選自有機四級銨鹽以 ^無機驗金屬鹽之電解質之有機溶液,並且㈣於100重 里伤之丙稀IL著劑絲㈣著劑,前述電剝離性黏著 劑層中含有15至250重量份範圍之該電解液, $解液中含有前述電解質G.G1至3mol/l之濃度, 刚述導電層具有包含露出前述電剝離性黏著劑層之 開口部之經圖案化平面形狀。 此外’本發明提供—種電_性黏著製品的剝離方 法’係:上述電剝離性黏著製品以前述電剝離性黏著劑層 面向被著體之方式_於被著體上後,藉由在前述導電性 支稽體和前述導電層之間施加電壓,將前述電_性黏著 製品自前述被著體剝離。 (發明之效果) 本發明可便宜提供—财論被著體之導電性之程产 藉由施加電Μ ’在短時間内即使不加溫亦可剝離之電^ 性黏著製品。此效果仙同時具備具有特定性質之電剝禽 性黏著劑組成物、和具有含有露出電剝離性黏著劑層 口部之經_化平面形狀之導電層而取得之效果。汗' 此外’電驗含有作財機喊_之含财 質鹽時,更可提升剝離性。 ^ 再者,電解液含有作為有機四級㈣之式⑻舰(式 322164 6 201113350 中R為相同或相異之甲基或乙基)所示之含蝴有機電解質 ‘鹽時’更可提升剝離性。 此外,電解液含有介電常數30以上之有機溶劑時,更 可提升剝離性。 再者,電解液含有選自碳酸伸乙酯、碳酸伸丙酯、7 -丁内酯、N-f基-2-吡咯烷酮之介電常數3〇以上之有機溶 劑時’更可提升剝離性。 此外,丙烯酸系黏著劑含有具有碳數1至8之烷基之 (甲基)丙騎燒g旨、含有叛基之丙稀酸系單體、以及含有 羥基之丙烯酸系單體之共聚物時,更可提升剝離性。 再者,導電層具有1000Ω/□之表面電阻值時,可 提升剝離性。 此外,本發明電剝離性黏著製品之剝離,由於利用藉 由在導電性支撐體和前述導電層間施加電壓,降低電剝離 ί·生黏著劑層之黏著性,故在短時間内即使不加溫亦可 地剝離。 【實施方式】 —本發明電剝離性黏著製品係具備導電性支撐體、形成 於該導電性支撑體上並且由電剝離性黏著劑組成物所構成 之電剝離性黏著層、以及形成於電剝離性黏著層之表面之 導電層。 (Α)電剝離性黏著層 节電剝離性黏著層由含有丙烯酸系黏著劑或聚酯系黏著 * /、電解液之電剝離性黏著劑組成物所構成(以下,簡稱黏 7 322164 201113350 著劑組成物)。作為丙烯酸系點著劑以及聚酉旨系黏著劑,只 要電剝離㈣著層具有黏著性,則無制限定。此黏著劑 可使用:合成之黏著劑’亦可使用市售之黏著劑。 黏著劑由賦予電剝離性黏著劑層黏著性之觀點來看, 固體成分含量為40重量料,以具有lOOOmPa · s以上之 黏度為佳。具有此黏度可確保無施加電壓時之黏著性。以 2000至10〇〇〇mpa · s之黏度為較佳。 黏度係將黏著劑組成物調整溫度至25。(:後,使用 T0KIMEC公司製BH 逢J; _ ▲丄 ^黏度计’以迴轉數10rpm之條件所測 得之值。 (丙烯酸系黏著劑) 丙稀酉夂系黏著劑可使用例如將丙婦酸系單體在任意聚 合起始劑存在下經聚合而得之黏著劑,或市售之㈣劑。 丙烯酸系黏著劑只要至少可黏著在被著體上,使用何種黏 著劑皆可。通常,由黏著性之觀點來看,作為丙稀酸系黏 著劑,可使用含有具有i萬至5〇〇萬之範圍之重量平均分 子量之丙稀酸系聚合物之黏著劑。以重量平均分子量為10 萬至200萬為較佳。 重量平均分子量意指使用Shodex公司製GPC System2 i, 以四氫0夫0南為移動相所計算出之值。此值為換算成聚苯乙 烯之重量平均分子量。 (1)丙稀酸系單體 丙稀酉欠系單體以含有具有碳數1至10之烧基之(甲基) 丙婦酸錢作為主成分⑼重量%以上)為佳。並且,(甲 322164 8 201113350 •基)丙烯酸酯意指曱基丙烯酸酯或丙烯酸酯。 ,作為具有碳數1至10之烧基之(甲基)丙稀酸烧醋,可 列舉如:(甲基)丙烯酸曱酯、(甲基)丙烯酸乙酯、(甲基) - 丙烯酸正丙酯、(曱基)丙烯酸異丙酯、(曱基)丙烯酸正丁 、 醋、(曱基)丙烯酸二級丁酯、(曱基)丙烯酸三級丁酯、(甲 基)丙烯酸正辛酯、(甲基)丙烯酸異辛酯、(甲基)丙烯酸 2-乙基己酯、(曱基)丙烯酸異壬酯、(甲基)丙烯酸十二烷 酯等。此等(曱基)丙烯酸烷酯可僅使用丨種,亦可2種以 上組合使用。此等(甲基)丙烯酸烷酯當中,以具有碳數i 至8之烷基之(曱基)丙烯酸烷酯為佳,以具有碳數丨至4 之烷基之(甲基)丙烯酸烷酯為較佳,以(甲基)丙烯酸正丁 醋為更佳,以丙烯酸正丁酯為特別佳。 其他丙烯酸系單體可列舉如··丙烯酸、甲基丙烯酸、 7烯酸羧乙酯等含有羧基之單體、(甲基)丙烯酸2_羥乙 酉曰、(甲基)丙烯酸2-羥丙酯、(甲基)丙烯酸4_羥丁酯、(甲 基)丙烯酸6-羥己酯、丙烯酸(4_羥甲基環己基)甲酯等含 有羧基之單體。此等其他(甲基)丙稀酸酯,可僅使用I種, 亦y 2種以上組合使用。(甲基)丙婦酸醋以含有含有叛基 之單體以及含有羥基之單體兩者為佳。 丙婦酸系單體含有具有碳數1至10之烧基之(甲基) 丙稀I烧酉曰作為主成分。因此,丙稀酸系單體亦可不使用 -他丙烯I系單體’僅由(甲基)丙稀酸以旨所構成。此外, 由所期望之性能之黏著劑組成物容易取得之觀點來看,以 3有其他丙稀酸系單體未達5〇重量%及^重量%以上為 322164 9 201113350 佳以3有5至30重量%為較佳,以含有5至15重量% 為更佳。 此外’當包含含有羧基之單體以及含有羥基之單體兩 者時,相對於1〇〇重量份之全部單體量,兩者之含量以卫 至20重罝份之範圍為佳。此範圍因使用兩單體,可改善黏 著特性,再者,以1至1〇重量份之範圍為較佳。 再者,(曱基)丙烯酸酯必要時亦可添加乙烯系單體。 乙烯系單體可列舉如:伊康酸(itac〇nicacid)、馬來酸、 巴豆馱(crotonic acid)、馬來酸酐、伊康酸酐、醋酸乙烯 酯、N-乙烯吡咯烷酮、N_乙烯羧醯胺類、笨乙烯、N_乙烯 己内醯胺等。此等乙烯系單體可僅使用i種,亦可2種以 上組合使用。 (2)聚合起始劑 作為任意使用之聚合起始劑,可列舉如:2,2_偶氮雙 異丁腈、2, 2 -偶氮雙(2-甲基丙脒)二硫化物、2, 2’ _偶 氮雙(4-甲氧基-2, 4-二曱基戊腈)、2, 2’ -偶氮雙(2, 4-二 甲基戊腈)、2,2 偶氮雙(2_曱基丁腈)、1,1 —偶氮雙(環 己烷-1-甲腈)、2, 2’ -偶氮雙(2, 4, 4-三甲基戊烷)、2, 2,一 偶氮雙(2_甲基丙酸)二甲醋、2, 2,-偶氮雙[2-甲基(苯 基甲基)丙胨]二鹽酸鹽、2, 2’ _偶氮雙[2-(3, 4, 5, 6-四氫 嘧啶-2-基)丙烷]二鹽酸鹽、2, 2’ -偶氮雙[2-(2-咪唑啉 -2-基)丙烧]等偶氮系聚合起始劑;過硫酸卸、過硫酸録等 過硫酸鹽系聚合起始劑;苯甲醯基過氧化物、過氧化氣、 三級丁基氫過氧化物、二-三級丁基過氧化物、過氧化笨甲 322164 10 201113350 酸二級丁酯、二異丙苯基過氧化物(dicumyl per〇xide)、 . I’l-雙(二級丁基過氧)-3,3,5-三甲基環己烧 (1,l-bis(tert-butylperoxy)-3, 3, 5-trimethylcyclohex -ane)、丨,卜雙(三級丁基過氧)環十二烷、3,3,5-三甲基環 、己醯基過氧化物、過氧化三曱基乙酸三級丁酯(tert_butyl peroxyp i va 1 ate)等過氧化物系聚合起始劑;由過硫酸鹽和 亞硫酸氫納所構成之氧化還原系聚合起始劑等。此等聚合 起始劑可僅使用1種,亦可2種以上組合使用。 相對於100重量份之丙蝉酸系單體,以使用〇 〇〇5至 1重量份之範圍之聚合料劑為佳。在此範圍使用聚合起 始劑,可形成經改善黏著特性之丙烯酸系黏著劑。再者, 聚合起始劑之❹量,錢丨至G 5重量份之範圍為較佳。 (3)其他之成分 做為其他之成分,由基體上之點著劑組成物之使用容 易性之觀點來看,亦可含有有機溶劑。此種有機溶劑並益 特別限定’可列舉如:黏著劑組成物中可使用之習知有機 溶劑。舉例而言,己烧、庚燒等脂肪族烴、醋酸甲酷、醋 酸乙酉旨、醋酸丙酷等醋類、甲苯、二甲苯、乙苯等芳香方: 煙。此等有機溶劑可僅使们種,亦可2種以上組合使用。 、並且’使用有機溶劑時’使來自丙稀酸系黏著劑之 體成分含量在 u u重以以上,以調製成此使用比例為佳。 再者,使用比例以將固體成分含量調製成20至50重量^ 為較佳。 0 (聚酯系黏著劑) 322164 11 201113350 々電解液以具有1()-6至1()_2s/⑽之離子導 有此範圍之離早道_命羊為佳.八 賦予充分剝離性。晴至藉二黏著:組成物施加電*可 離子導電率之敎法記載為較佳。 I有由3有作為電解#之有機喊㈣或驗金屬鹽 與有機洛劑之有機溶液所構成。 蜀- (1)電解質 (a)有機四級銨鹽201113350 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to an electrically peelable adhesive article and a method for peeling the same. More specifically, in the electrically peelable adhesive article of the present invention, only a voltage is applied to lower the adhesive force, and as a result, the product can be easily peeled off from the body. « [Prior Art] Re-peelable adhesive tapes are used in various applications (for example, surface protective film, masking tape for coating, re-peelable note paper, etc.). The adhesive tape is composed of a general substrate and an adhesive layer laminated on the substrate. The adhesive layer needs to be adhesive and re-peelable at the same time. In other words, the adhesive layer needs to be adhered to the extent that it is not peeled off from the body when being handled, stored, or processed. Further, the adhesive layer needs removability which is easy to remove when the effect is achieved. As a method of realizing the above-mentioned adhesive properties and re-peelability, a method described in, for example, JP-A-2003-504504 (Patent Document 1), WO2007/018239 (Patent Document 2), and the like is proposed. Japanese Laid-Open Patent Publication No. 2003-504504 proposes an epoxy-based adhesive containing an epoxy compound having releasability when a voltage is applied. The epoxy compound exemplified in the examples is a specific compound having a disulfide bond in the molecule. This publication describes the use of the epoxy-based adhesive to provide a peelable adhesive when applied. On the other hand, WO2007/018239 discloses an adhesive which can be peeled off when a voltage is applied by using an ionic liquid as an additive. In this publication, the ionic liquid is a molten salt which is liquid at room temperature, has no vapor pressure of 4 322164 201113350 and has high heat resistance, incombustibility, high chemical stability and the like. [Prior Art] [Patent Document 1] [Patent Document 1] Japanese Patent Publication No. 2003-504504 [Patent Document 2] WO2007/018239 SUMMARY OF THE INVENTION (Problems to be Solved by the Invention) However, by this epoxy When the adhesive is bonded, it can be peeled off at 60 ° C and 50 V for 30 minutes, and there is a need for heating and long-time application of voltage at the time of peeling. Further, the epoxy compound and the ionic liquid, as described in the above publications, are compounds having a special structure and are therefore expensive, and it is difficult to provide an inexpensive adhesive tape by using these. Furthermore, in the above technique, both the bonding material (adhesive tape and the object to be attached) must be electrically conductive and the use is limited. Therefore, it is desirable to provide a material which is inexpensive to use, and which can be peeled off even if it is not heated in a short time regardless of the conductivity of the object, and exhibits an adhesiveness equivalent to or higher than that in the case of using an epoxy compound or an ionic liquid. An electrically peelable adhesive for tape. Means for Solving the Problems Therefore, the present invention provides an electrically peelable adhesive article comprising an electroconductive support formed on the electroconductive support and containing an acrylic adhesive or a polyester adhesive and an electrolytic solution. An electro-peelable adhesive layer composed of an electro-peelable adhesive composition, and a conductive layer formed on the surface of the electro-peelable adhesive layer 5 322 164 201113350, wherein the electro-peelable adhesive composition has (7)... The ionic conductivity, the electrolyte is an organic solution containing an organic solvent and an electrolyte selected from the group consisting of an organic quaternary ammonium salt and an inorganic metal salt, and (d) a propylene IL-coated silk (4) agent which is damaged by 100 weights. The electro-peelable adhesive layer contains the electrolyte in a range of 15 to 250 parts by weight, and the solution contains a concentration of the electrolyte G.G1 to 3 mol/l, and the conductive layer has a layer containing the electrically peelable adhesive. The patterned planar shape of the opening of the layer. Further, the present invention provides a method for peeling off an electric-adhesive adhesive article, wherein the electro-peelable adhesive article faces the body by the electro-peelable adhesive layer, after being placed on the object, by the foregoing A voltage is applied between the conductive branch and the conductive layer to peel the electro-adhesive product from the object. (Effects of the Invention) The present invention can be provided at a low cost - an electrically conductive product which can be peeled off even if it is not heated in a short period of time by applying electricity. This effect is achieved by simultaneously having a composition of an electro-peeling adhesive having a specific property and a conductive layer having a shape of a planarized layer which exposes the mouth of the electro-peelable adhesive. Khan's 'In addition' the test contains the financial salt, which can improve the stripping. ^ Furthermore, the electrolyte contains the organic compound of the formula (8) of the organic (fourth) type (4) (the R is the same or different methyl or ethyl in the formula 322164 6 201113350) Sex. Further, when the electrolytic solution contains an organic solvent having a dielectric constant of 30 or more, the peeling property can be further improved. Further, when the electrolytic solution contains an organic solvent selected from the group consisting of ethyl carbonate, ethyl propyl carbonate, 7-butyrolactone, and N-f-based-2-pyrrolidone having a dielectric constant of 3 Å or more, the peeling property can be further improved. Further, when the acrylic adhesive contains a (meth) propyl group having a carbon number of 1 to 8 and a copolymer containing a thiol-based acrylic monomer and a hydroxyl group-containing acrylic monomer, , can improve the peeling. Further, when the conductive layer has a surface resistance value of 1000 Ω/□, the peeling property can be improved. Further, since the peeling of the electro-peelable adhesive article of the present invention reduces the adhesion of the electro-peeling adhesive layer by applying a voltage between the conductive support and the conductive layer, even if it is not heated in a short time It can also be peeled off. [Embodiment] The electro-peelable adhesive article of the present invention comprises an electroconductive support, an electro-peelable adhesive layer formed of the electro-adhesive adhesive composition formed on the electroconductive support, and an electro-peelable adhesive layer. A conductive layer on the surface of the adhesive layer. (Α) Electro-peelable adhesive layer The electric-removable adhesive layer is composed of an adhesive composition containing an acrylic adhesive or a polyester adhesive*/, an electrolyte (hereinafter referred to as sticky 7 322164 201113350) Composition)). As the acrylic dot-receiving agent and the poly-pigment-based adhesive, it is not limited as long as it is electrically peeled off. This adhesive can be used: a synthetic adhesive'. A commercially available adhesive can also be used. The adhesive has a solid content of 40 parts by weight from the viewpoint of imparting adhesion to the electrically detachable adhesive layer, and preferably has a viscosity of 100 mPa·s or more. This viscosity ensures adhesion without voltage application. The viscosity is preferably from 2,000 to 10 〇〇〇 mPa · s. The viscosity adjusts the temperature of the adhesive composition to 25. (: After that, use BH of T0KIMEC Co., Ltd.; _ ▲ 丄 ^ viscometer to measure the value of 10 rpm. (Acrylic adhesive) Acrylic adhesive can be used, for example, An adhesive obtained by polymerizing an acid monomer in the presence of any polymerization initiator, or a commercially available (four) agent. The acrylic adhesive may be adhered to at least the adherend, and any adhesive may be used. From the viewpoint of adhesion, as the acrylic adhesive, an adhesive containing an acrylic polymer having a weight average molecular weight in the range of from 10,000 to 50,000 can be used. 100,000 to 2 million is preferred. The weight average molecular weight means the value calculated by using the GPC System 2 i manufactured by Shodex Co., Ltd., and the mobile phase of tetrahydro 0. The value is the weight average molecular weight converted to polystyrene. (1) The acrylic acid monomer acrylonitrile-based monomer is preferably a (meth) propylene glycol acid having a carbon number of 1 to 10 as a main component (9% by weight or more). Also, (A 322164 8 201113350 • base) acrylate means methacrylate or acrylate. As the (meth)acrylic acid vinegar having a carbon number of 1 to 10, examples thereof include decyl (meth) acrylate, ethyl (meth) acrylate, and (meth) acrylate. Ester, isopropyl (meth) acrylate, n-butyl (decyl) acrylate, vinegar, butyl (meth) acrylate, butyl (meth) acrylate, n-octyl (meth) acrylate, Isooctyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, isodecyl (meth)acrylate, dodecyl (meth)acrylate, and the like. These (mercapto)alkyl acrylates may be used alone or in combination of two or more. Among these alkyl (meth)acrylates, an alkyl (meth)acrylate having an alkyl group having a carbon number of i to 8 is preferred, and an alkyl (meth)acrylate having an alkyl group having a carbon number of 4 to 4 is preferred. Preferably, n-butyl methacrylate is more preferred, and n-butyl acrylate is particularly preferred. Examples of the other acrylic monomer include a monomer having a carboxyl group such as acrylic acid, methacrylic acid or carboxyethyl enoate, 2-hydroxyethyl (meth)acrylate, and 2-hydroxypropyl (meth)acrylate. A carboxyl group-containing monomer such as 4-hydroxybutyl (meth)acrylate, 6-hydroxyhexyl (meth)acrylate, or (4-hydroxymethylcyclohexyl)methyl acrylate. These other (meth) acrylates may be used singly or in combination of two or more. The (methyl) acetoacetate preferably contains both a monomer having a rebel group and a monomer having a hydroxyl group. The propylene glycol monomer contains (meth) propylene I burned with a carbon number of 1 to 10 as a main component. Therefore, the acrylic acid monomer may not be used - the other propylene I monomer may be composed only of (meth)acrylic acid. In addition, from the viewpoint that the adhesive composition of the desired performance is easily obtained, 3 other than the other acrylic monomers are less than 5% by weight and more than 重量% are 322164 9 201113350 preferably 3 to 5 More preferably, 30% by weight is more preferably 5 to 15% by weight. Further, when a monomer containing a carboxyl group and a monomer having a hydroxyl group are contained, the content of both is preferably in the range of 20 parts by weight relative to the total amount of monomers per part by weight. This range is improved by the use of two monomers, and further preferably in the range of from 1 to 1 part by weight. Further, a (meth) acrylate may be added as needed. Examples of the vinyl monomer include, for example, itaconic acid, maleic acid, crotonic acid, maleic anhydride, itaconic anhydride, vinyl acetate, N-vinylpyrrolidone, and N-vinylcarboxylate. Amines, stupid ethylene, N_vinyl caprolactam, and the like. These vinyl monomers may be used singly or in combination of two or more. (2) Polymerization initiator As the polymerization initiator to be used arbitrarily, for example, 2,2-azobisisobutyronitrile, 2,2-azobis(2-methylpropionamidine) disulfide, 2, 2' _ azobis(4-methoxy-2,4-dimercapto valeronitrile), 2, 2'-azobis(2,4-dimethylvaleronitrile), 2,2 couple Nitrogen bis(2-mercaptobutyronitrile), 1,1 -azobis(cyclohexane-1-carbonitrile), 2,2'-azobis(2,4,4-trimethylpentane) , 2, 2, azobis(2-methylpropionic acid) dimethyl vinegar, 2, 2,-azobis[2-methyl(phenylmethyl)propanthene] dihydrochloride, 2, 2'-Azobis[2-(3,4,5,6-tetrahydropyrimidin-2-yl)propane] dihydrochloride, 2, 2'-azobis[2-(2-imidazoline- 2-azo)propanone] azo-based polymerization initiator; persulfate-depleted, persulfate-recorded persulfate-based polymerization initiator; benzamidine peroxide, peroxygen gas, tertiary butyl hydrogen Peroxide, di-tertiary butyl peroxide, peroxidized chitin 322164 10 201113350 acid butyl acrylate, dicumyl peroxide (dicumyl per 〇 xide), . I'l-double (two Grade butyl peroxy)-3,3,5-trimethylcyclohexanone (1, L-bis(tert-butylperoxy)-3, 3, 5-trimethylcyclohex-ane), hydrazine, b-bis(tertiary butylperoxy)cyclododecane, 3,3,5-trimethylcyclohexane, hexane a peroxide-based polymerization initiator such as a base peroxide or a tert-butyl peroxyp i va 1 ate; a redox polymerization starting from a persulfate and sodium hydrogen sulfite Agents, etc. These polymerization initiators may be used alone or in combination of two or more. It is preferred to use a polymerization agent in the range of 5 to 1 part by weight based on 100 parts by weight of the acrylic acid monomer. By using a polymerization initiator in this range, an acrylic adhesive having improved adhesion characteristics can be formed. Further, the amount of the polymerization initiator is preferably in the range of from 5 to 5 parts by weight. (3) Other components As other components, an organic solvent may be contained from the viewpoint of ease of use of the dot composition on the substrate. Such an organic solvent is particularly limited as a conventional organic solvent which can be used, for example, in an adhesive composition. For example, aliphatic hydrocarbons such as hexanthene and gamma sulphate, acetaminophen acetate, acetoacetate, acetonitrile, acetonitrile, toluene, xylene, ethylbenzene, etc. are aromatic: smoke. These organic solvents may be used alone or in combination of two or more. Further, when the "organic solvent is used", the content of the body component derived from the acrylic acid-based adhesive is more than or equal to u u, and it is preferred to prepare the use ratio. Further, it is preferred to use a ratio to adjust the solid content to 20 to 50% by weight. 0 (Polyester adhesive) 322164 11 201113350 The bismuth electrolyte has an ion conductivity of 1 () -6 to 1 () _2 s / (10). This range is from the early morning _ _ sheep is better. Eight gives sufficient peelability. It is better to use the method of applying electric energy* to the ionic conductivity of the composition. I consists of 3 organic solvents called electrolysis #4 or an organic solution of metal salts and organic agents.蜀- (1) Electrolyte (a) Organic quaternary ammonium salt
^四級鍵鹽可列舉如:⑻顺式中r為相同或相異 反 之燒基,X為鹵原子、cl〇 BF^The quaternary bond salt can be exemplified by: (8) in the cis where r is the same or a different opposite, and X is a halogen atom, cl〇 BF
[⑻顧式中R與上述相同, X為齒原子時’例如可列舉如:四丁基、四丙基、四 乙基w甲基、二乙基丁基、三乙基丙基、三乙基甲基等 的溴化銨或氯化銨。 X為bf4時,例如可列舉如:四丁基、四丙基、四乙基' 四甲基、二乙基丁基、三乙基丙基、三乙基甲基等的四氟 侧酸録。 X為PF6時,例如可列舉如:四丁基、四丙基四乙基、 四曱基、二乙基丁基、三乙基丙基、三乙基曱基等的六氟 磷酸銨。 X為Cl〇4時,例如可列舉如:四丁基、四丙基四乙 12 322164 201113350 基、四曱基、二乙基丁基、三乙基丙基、三乙基曱基等的 .過氯酸銨。 Y為S〇4時,例如可列舉如:四丁基、四丙基、四乙基、 四曱基'三乙基丁基、三乙基丙基、三乙基甲基等的硫酸 銨。 上述有機四級銨鹽,可僅使用1種,亦可2種以上組 &使用。此外,亦可與下述說明之驗金屬鹽組合使用。 (b) 鹼金屬鹽 鹼金屬鹽可列舉如:LiCl、Li2S〇4、LiBF4、UPF6、[(8) Where R is the same as above, and when X is a tooth atom, for example, tetrabutyl, tetrapropyl, tetraethyl-w-methyl, diethylbutyl, triethylpropyl, tri-ethyl Ammonium bromide or ammonium chloride such as methyl group. When X is bf4, for example, a tetrafluoro side acid such as tetrabutyl, tetrapropyl, tetraethyl'tetramethyl, diethylbutyl, triethylpropyl or triethylmethyl may be mentioned. . When X is PF6, for example, ammonium hexafluorophosphate such as tetrabutyl, tetrapropyltetraethyl, tetradecyl, diethylbutyl, triethylpropyl or triethylsulfonyl can be mentioned. When X is Cl〇4, for example, tetrabutyl, tetrapropyltetraethylene 12 322164 201113350, tetradecyl, diethylbutyl, triethylpropyl, triethylsulfonyl, etc. may be mentioned. Ammonium perchlorate. When Y is S〇4, for example, ammonium sulfate such as tetrabutyl, tetrapropyl, tetraethyl, tetradecyl 'triethylbutyl, triethylpropyl or triethylmethyl can be mentioned. The above organic quaternary ammonium salt may be used alone or in combination of two or more. Further, it can also be used in combination with the metal salt described below. (b) alkali metal salt Examples of the alkali metal salt include LiCl, Li2S〇4, LiBF4, and UPF6.
LiCl〇4、LiAsFe、LiCF3S〇3、LiN(S〇2CF3)2、LiN(S〇2C2F5)2 及LiC(S〇2CF3)3等。並且,雖然此處例示鋰鹽,但亦可使 用鈉鹽或卸鹽。此等金屬鹽可僅使用1種,亦可2種以上 組合使用。 上述鹼金屬鹽當中,以LiN(S〇2CF3)2為佳。使用此等 較佳之金屬鹽,可更提升電剝離特性。 (c) 使用量 電解液中包含〇. 〇1至3mol/1濃度之電解質。包含此 乾圍濃度之電解質,可高次元實現兼顧確保施加電壓時之 剝離性與確保無施加電壓時之黏著性兩者。以〇.丨至 2-〇m〇l/i濃度為較佳,以〇 5至2 〇m〇1/1濃度為更佳。 (2)有機溶劑 作為有機溶劑,只要為不阻礙黏著劑組成物施加電壓 時之剝離性、和無施加電壓時之黏著性者,則無特別限定。 例如可列舉如:碳酸伸乙酯(ethylene carbonate)、碳酸 322164 13 201113350 伸丙酯、碳酸伸丁酯等環狀碳酸酯、碳酸二曱酯、破酸二 乙酯、碳酸曱乙酯等鏈狀碳酸酯、^ _丁内酯、7 _戊内酯 等内酯類、丙酸曱酯、三甲基乙酸曱酯、三曱基乙酸辛酯 等鏈狀羧酸酯、四氫呋喃、2-曱基四氫呋喃、L4—二氧陸 圜、1,2-二曱氧乙烷、l 2-二乙氧乙烷、it二丁氧乙烷 等醚類、如乙腈之腈類、二甲基曱醯胺、Ν_曱基_2_吡咯烷 網等醯胺類。此等有機溶劑可僅使用i種,亦可2種以上 組合使甩。 上述有機溶劑中,以使用具有介電常數3〇以上之有 機溶劑為佳。使用此介電常數之有機溶劑.,可提升施加電 壓時之剝離性。具有此介電常數之有機溶劑,可列舉如: 石反酸伸乙酯(89. 8)、碳酸伸丙酯(64. 92)、γ _ 丁内酯 (39· 1)、Ν-甲基-2-吼略烧酉同(32· 2)等(括弧内意指約饥 之介電常數)。以介電常數之範圍為6〇以上為較佳。 (黏著劑與電解液之使用比例) 相對於1〇〇重量份之黏著劑(固體成分),使用15至 250重置份之範圍之電解液。使用此範圍可實現兼顧讀保 施加電壓時之_性與確保無施加電_之黏著性兩者。 以電解液使用比例為40至120重量份為較佳。 (其他成分) 亦可使交聯劑與丙烯酸系黏著劑作用,進行交聯。作 為交聯劑可列舉如:甲苯二異氰酸s|(tGluene 9 ciiis〇Cyanate)、二苯甲烷異氰酸酯 (methyienebispheny! iSQeyanate)等異氰㈣系交聯劑。 322164 14 201113350 相對於100重量份之丙婦酸 以〇 2重量以卜纽 劑’交聯劑之使用比例 •量上為佳。若進行交聯,當於支撐體 劑組成物形成為層時,可改盖 、 ~ 、-者 』改善該層之抗潛變性(creep resistance)和耐剪切性。 較佳。 乂使用比例為2至15重量份為 (黏著劑組成物之離子導電率) ㈣齡成物以具有丨『至1(r3s/em軒導電率為 佳。若具有此範圍之離子導雷 之剝離性與確伴益η ^ 可兼顧確保施加電壓時 範圍之離子導電率為較佳。 m至10 s/cm (黏著劑組成物之製造方法) 任立成物可藉由習知之方法將黏著劑和電解液和 任思之乂聯劑攪拌而得。 (Β)導電性支撐體 ::導電性支撐體可列舉如:銘、銅、銀、金 該荨金屬之合金、導電性金屬氧化物⑽等) (厚度未達100_)或板(厚度脚m以上)等、含有混合 或塗佈有該等金屬或合金纖 ° 厶U 纖維之布、含有該等金屬或合 所二:::等金屬、合金或由導電性金屬氧化物 (C)導電層 ^層具有包含露出電剝離性黏著劑層之開口部之經 保Γ著=:本發明藉由開口部所露出之黏著劑層確 、°σ H並藉由在導電性支撐體與導電層間 322164 15 201113350 施加電壓確保黏著製品之剝離性。 導電層通常主要含有金屬成分。金屬成分可列舉如: 金、銀、銅、銘、鎳等金屬、該等金屬之合金、銦.錫氧 化物、氧化錫、氧化鋅等金屬氧化物等。此外,除金屬成 分以外,亦可使用碳、導電性金屬氧化物、導電性高分子 等導電性材料。導電層由更提升剝離性之觀點來看,以含 有金屬成分為佳。 導電層可僅由金屬成分所構成,由製造容易性之觀點 來看,以與樹脂成分之複合體為佳。由確保製造容易性和 導電性之觀點來看,複合體中金屬成分之含有比例,以30 至99重量%為佳,以40至95重量%為較佳。 複合體可列舉如:金屬成分與樹脂成分之混合物、織 布狀之樹脂成分之表面以金屬成分被覆之複合物等。前者 之混合物,可藉由將含有金屬成分與樹脂成分之糊漿在剝 離紙上印刷成預定之形狀而形成。後者之複合物可藉由在 樹脂成分之表面蒸鍍或濺鍍金屬成分使其附著而形成。在 此當中,前者之混合物容易圖案化,且不包含在黏著劑層 中,容易存在於黏著劑層之表面,因而較佳。 樹脂成分並無特別限定,熱硬化性樹脂及熱塑性樹脂 皆可使用。在此當中,熱硬化性樹脂(例如:聚酯、苯紛、 環氧化合物、丙烯酸等)成分所構成,可抑制來自樹脂以外 成分造成之樹脂成分之劣化(例如導電層之表面電阻值上 升),由提升黏著製品之安定性之觀點來看為佳。 導電層形成用之糊漿中可添加丙烯酸系樹脂用以改善 16 322164 \^) 201113350 導電層之塗獏面。 重量份以下為佳;00重量份之糊漿,其添加量以 道^^ ’’ ,以5重量份以下為較佳〇 導電層以滚筒狀連續生產時 可添加聚錢用以,成用㈣中亦 100重量份之糊H 材射產生之泡泡。相對於 重量份以下為較佳。置以5重量份以下為佳,以2 =電層含有露出勘著劑層之開 =:兼顧之觀點來看,部之比二 面積之20至_為佳為• 表 顧,㈣性和黏著性兩者可同時兼 可相同H =口部通常以複數個存在,開口部個別之形狀 W目異’其面積可相同或相異。在此,為使黏著劑 :面能兼顧導電性和黏著性,以開口部之形狀及面積相 5 :佳°由兼顧導電性和黏著性之觀點來看,開口部之面 積以0.5至4. Ornm2/個為佳,則.〇至2. 〇ramV個為較佳。 再者’位於開口部間之導電區域,寬度可相同或相異。由 導電性和黏著性高次元兼顧之觀點來看,導電區域之寬度 以相同為佳。舉例而言,導電區域寬度以〇 〇5至ι 〇關 為佳,以〇. 1至0. 5随為較佳。 (D)其他 ‘電層之端部以預先設置用以在導電層施加電壓之 端子為佳。設置端子使被著體為導電性或為絕緣性皆可使 322164 17 201113350 用本發明之黏著製品。端子形狀無特別限定。此外,其個 f亦無特別限定。端子可由金、銀、銅、料金屬、該金 屬之合金所形成。 (E) 電剝離性黏著製品之形狀 ,黏著製品之形狀無特職定,可因應導電性支撐體之 升V狀而決疋。舉例而言,導電性支撐體為箔狀時,製品成 為黏著膠帶。 (F) 電剝離性黏著製品之製造法 黏著製品之製造法可列舉如:⑴藉由在導電性支樓體 上塗布黏著劑組成物而形成黏著劑層,另外藉由於導電層 形成用基體(剝離襯墊)上印刷導電層而形成,將導電層轉 印至黏著劑層上之方法;⑵於導電層形成絲體上印刷導 電層後’藉由在導電層上塗布黏著劑層而形成,在黏著劑 層上載置導電性支樓體之方法等。此外,當導電層僅由金 屬成分構成時、當為由以金屬成分被覆織布狀之樹脂成分 之表面而成之複合物所構成時等以塗布法無法形成之層 時’例如:在導電性支標體上藉由塗布法形成黏著劑層, 在黏著劑層上載置導電層之方法。 (G) 電剝離性黏著製品之用途 黏著製品之用途可列舉如:有再利用必要之金屬材(例 如.鋁、貴金屬)和其他構件之接著用途。此用途藉由施加 電壓可容易地將金屬材回收,例如在家電再利用上有用。 此外,可列舉如感測器和被著體之接著用途。此用途 藉由施加電壓可容易地將感測器回收,感測器可重複使用 18 322164 Λ 201113350 相當經濟。 再者,可列舉如動物之追蹤標記中使用之項圈之接著 用途。此用途,當無追蹤必要時,與項圈接合部分以遠端 操作施加電壓,可將相圈自動物上解開。 製造步驟中,零件的暫時性接合可使用黏著製品。舉 例而言,進行LSI晶片之晶粒切割(d i c i ng)時,可使用於 晶圓的暫時性接合。此用途,藉由施加電壓,可容易地解 除暫時性接合的狀態。 可使用於人造衛星自其框體脫離時兩者之接著用途。 過去以來,脫離係使用難以如火箭發射般精確的控制的方 法。然而,若使用本發明之黏著製品,藉由施加電壓可精 確控制,亦可減輕對於人造衛星之物理傷害。 00剝離方法 上述黏著製品可黏著於被著體上。被著體並無特別限 定,可具有導電性亦可具有絕緣性。本發明黏著製品因具 備導電層,即使是絕緣性被著體亦可使用。 自黏著製品的被著體剝離,可藉由在導電性支撐體和 導電層間施加電壓而進行。具體而言,藉由在導電性支撐 體和導電層端子連接,在端子間施加電壓,可自被著體剝 離。 施加之電壓只要能剝離則無特別限定,以3V以上為 佳。電壓上限由剝離之觀點來看並無特別規定,但考慮到 電壓施加裝置及對被著體之影響,以200V以下為佳。施加 時間例如在5分鐘以下為佳。施加時間之上限由剝離之觀 19 322164 201113350 二t看特別規疋’考慮到對被著體之影響,以10分鐘 Γ之溫度可為常溫(約25。〇, ‘ 進行為佳。 j離作業之谷易性來看’以在常溫 (實施例) 以下’利用實施例更詳細說明本發明,但本發明非限 定於以下之實施例者。 (實施例1) (調製丙烯酸系黏著劑) 丙稀酸正丁酯(三菱化學公司製)91 f量份、丙烯酸 (三菱化學公司製)8重量份、甲基丙烯酸2,乙醋(日本觸 媒公司製)ι重量韻構叙單舰合物、作為聚合起始劑 之偶氮雙異丁腈(AIBN,純正化學公司製)〇. 2重量份、溶 劑(醋酸乙酯:甲苯(重量比)==9 : 1)15〇重量份,在氮氣 机中、85 C5小時聚合反應而得到丙烯酸系黏著劑。所得 之丙烯酸系黏著劑含有樹脂成分(固體成分:丙烯酸系聚合 物:重量平均分子量約80萬)40重量%,具有7000raPa· s 之黏度。 (電解液)LiCl〇4, LiAsFe, LiCF3S〇3, LiN(S〇2CF3)2, LiN(S〇2C2F5)2, and LiC(S〇2CF3)3. Further, although a lithium salt is exemplified herein, a sodium salt or a salt may be used. These metal salts may be used alone or in combination of two or more. Among the above alkali metal salts, LiN(S〇2CF3)2 is preferred. The use of such preferred metal salts enhances the electro-peeling characteristics. (c) The amount of electrolyte contained in the electrolyte is 〇1 to 3 mol/1. The electrolyte containing the concentration of the dry band can achieve both high-dimensionality and the adhesion at the time of applying a voltage and the adhesion at the time of no voltage application. Preferably, the concentration of 〇.丨 to 2-〇m〇l/i is preferably 浓度5 to 2 〇m〇1/1. (2) Organic solvent The organic solvent is not particularly limited as long as it has a peeling property when a voltage is not applied to the adhesive composition and an adhesive property when no voltage is applied. For example, there may be mentioned a chain such as ethylene carbonate, carbonic acid 322164 13 201113350 propyl acrylate, butyl carbonate, etc., a cyclic carbonate such as dinonyl carbonate, diethyl chlorate or ethyl ruthenium carbonate. a lactone such as carbonate, _butyrolactone or 7-valerolactone, a carboxylic acid ester such as decyl propionate, decyl trimethylacetate or octyl octyl acetate, tetrahydrofuran or 2-mercapto Ethers such as tetrahydrofuran, L4-dioxane, 1,2-dimethoxyethane, l2-diethoxyethane, it dibutoxide, nitriles such as acetonitrile, dimethyl decylamine Indoleamines such as Ν_曱-based 2_pyrrolidine net. These organic solvents may be used alone or in combination of two or more. Among the above organic solvents, an organic solvent having a dielectric constant of 3 Å or more is preferably used. The organic solvent of this dielectric constant can be used to improve the peelability at the time of applying voltage. Examples of the organic solvent having such a dielectric constant include, for example, succinic acid ethyl ester (89. 8), propylene carbonate (64.92), γ-butyrolactone (39·1), Ν-methyl group. -2-吼 slightly burned the same (32·2), etc. (in the brackets means the dielectric constant of the hunger). It is preferred that the range of the dielectric constant is 6 Å or more. (Use ratio of adhesive to electrolyte) The electrolyte in the range of 15 to 250 reset parts is used with respect to 1 part by weight of the adhesive (solid content). By using this range, it is possible to achieve both the protection of the applied voltage and the adhesion of the unapplied power. It is preferred to use the electrolyte in a proportion of 40 to 120 parts by weight. (Other components) The crosslinking agent may also act on an acrylic adhesive to carry out crosslinking. Examples of the crosslinking agent include an isocyanate (tetra) crosslinking agent such as toluene diisocyanate s|(tGluene 9 ciiis〇Cyanate) or diphenylmethane isocyanate (methyienebispheny! iSQeyanate). 322164 14 201113350 Relative to 100 parts by weight of propylene glycol, 〇 2 weights of blister's use ratio of crosslinking agent. When cross-linking is carried out, when the support composition is formed into a layer, the layer can be modified, and the "resist" can improve the creep resistance and shear resistance of the layer. Preferably.乂Use ratio is 2 to 15 parts by weight (the ionic conductivity of the adhesive composition) (4) Ageing product has 丨 ~1 (r3s/em 导电 conductivity is good. If there is ionization of this range Sexuality and sufficiency η ^ can ensure that the ionic conductivity of the range when applying voltage is better. m to 10 s / cm (manufacturing method of the adhesive composition) Any of the materials can be adhesive and electrolyzed by a conventional method. (Β) Conductive support:: Conductive support: for example, copper, silver, gold, alloy of base metal, conductive metal oxide (10), etc.) (thickness not up to 100_) or board (thickness of feet m or more), etc., containing a cloth mixed with or coated with such metal or alloy fibers, containing such metals or alloys such as two::: Or the conductive metal oxide (C) conductive layer has an opening portion including the exposed electro-adhesive adhesive layer; the adhesive layer exposed by the opening portion of the present invention, °σ H And ensuring adhesion by applying a voltage between the conductive support and the conductive layer 322164 15 201113350 The peelability of the product. The conductive layer usually contains mainly a metal component. Examples of the metal component include metals such as gold, silver, copper, and nickel, alloys of these metals, metal oxides such as indium, tin oxide, tin oxide, and zinc oxide. Further, in addition to the metal component, a conductive material such as carbon, a conductive metal oxide or a conductive polymer may be used. The conductive layer preferably contains a metal component from the viewpoint of further improving the peeling property. The conductive layer may be composed only of a metal component, and from the viewpoint of easiness of production, a composite with a resin component is preferred. The content of the metal component in the composite is preferably from 30 to 99% by weight, preferably from 40 to 95% by weight, from the viewpoint of ensuring ease of production and conductivity. The composite may, for example, be a mixture of a metal component and a resin component, or a composite of a surface of a woven resin component coated with a metal component. The former mixture can be formed by printing a paste containing a metal component and a resin component on a release paper to a predetermined shape. The latter composite can be formed by depositing or depositing a metal component on the surface of the resin component. Among them, the former is easily patterned, is not contained in the adhesive layer, and is easily present on the surface of the adhesive layer, and is therefore preferred. The resin component is not particularly limited, and both a thermosetting resin and a thermoplastic resin can be used. In this case, a thermosetting resin (for example, a polyester, a benzene, an epoxy compound, or an acrylic acid) is used as a component, and deterioration of the resin component due to components other than the resin (for example, an increase in the surface resistance of the conductive layer) can be suppressed. It is better from the viewpoint of improving the stability of the adhesive product. An acrylic resin may be added to the paste for forming a conductive layer to improve the coated surface of the conductive layer of 16 322 164 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Preferably, the weight is less than 00 parts by weight; the amount of the syrup added is in the range of 5 parts by weight, preferably 5 parts by weight or less, and the conductive layer may be added in a roll form for continuous production. It is also a bubble produced by 100 parts by weight of paste H. It is preferably in the range of parts by weight or less. It is preferable to set it to 5 parts by weight or less, and 2 = the electric layer contains the exposed layer of the coating agent =: taking into consideration, the ratio of the part to the second area is 20 to _ is good • (4) sex and adhesion The two can be the same at the same time. H = the mouth usually exists in plural, and the individual shapes of the openings are different. The areas thereof may be the same or different. Here, in order to make the adhesive: surface energy and adhesion, the shape and area of the opening are 5: Preferably, the area of the opening is 0.5 to 4. Ornm2/ is better, then 〇 to 2. 〇 ramV is preferred. Furthermore, the conductive regions located between the openings may have the same or different widths. From the standpoint of high conductivity and adhesion, the width of the conductive region is preferably the same. For example, the width of the conductive region is preferably 〇5 to ι ,, and preferably from 1.1 to 0.5. (D) Others The end of the 'electric layer is preferably a terminal provided in advance for applying a voltage to the conductive layer. The terminal can be used to make the object conductive or insulative, and 322164 17 201113350 can be used for the adhesive article of the present invention. The shape of the terminal is not particularly limited. Further, the number f thereof is also not particularly limited. The terminal may be formed of gold, silver, copper, a metal of the metal, or an alloy of the metal. (E) The shape of the electrically detachable adhesive article, the shape of the adhesive product is not specified, and it can be determined by the rise of the conductive support. For example, when the conductive support is in the form of a foil, the article becomes an adhesive tape. (F) Method for Producing Electro-Releasable Adhesive Article The method for producing an adhesive article may be, for example, (1) forming an adhesive layer by applying an adhesive composition on a conductive branch body, and additionally forming a substrate for forming a conductive layer ( a method of printing a conductive layer on a release liner to transfer the conductive layer onto the adhesive layer; (2) forming a conductive layer on the conductive layer to form a conductive layer, by forming an adhesive layer on the conductive layer, A method of placing a conductive branch body on an adhesive layer or the like. In addition, when the conductive layer is composed only of a metal component, when it is composed of a composite formed by coating a surface of a resin component woven with a metal component, etc., when a layer which cannot be formed by a coating method is formed, for example, in conductivity A method of forming an adhesive layer on a support body by a coating method and placing a conductive layer on the adhesive layer. (G) Use of an electrically peelable adhesive article The use of the adhesive article may be, for example, a subsequent use of a metal material (e.g., aluminum, precious metal) necessary for reuse and other members. This use can easily recover metal materials by applying a voltage, for example, in the reuse of home appliances. Further, for example, the sensor and the intended use of the object can be cited. This application can easily recover the sensor by applying a voltage, and the sensor can be reused 18 322164 Λ 201113350 is quite economical. Further, the following uses of the collar used in the tracking mark of an animal can be cited. For this purpose, when no tracking is necessary, the phase engagement portion is applied with a remote operation to release the phase coil. In the manufacturing step, the temporary joining of the parts may use an adhesive article. For example, when performing dicing of LSI wafers, temporary bonding for wafers can be performed. For this purpose, the state of temporary bonding can be easily removed by applying a voltage. It can be used for the subsequent use of the satellite when it is detached from its frame. In the past, detachment has used methods that are difficult to control as accurately as rocket launches. However, if the adhesive article of the present invention is used, it can be precisely controlled by applying a voltage, and physical damage to the artificial satellite can be alleviated. 00 peeling method The above adhesive article can be adhered to the object to be placed. The body is not particularly limited and may be electrically conductive or insulative. The adhesive article of the present invention can be used even if it is an insulating material because it has a conductive layer. The peeling of the adherend of the self-adhesive article can be carried out by applying a voltage between the conductive support and the conductive layer. Specifically, by connecting the conductive support and the conductive layer terminals, a voltage is applied between the terminals to be peeled off from the object. The voltage to be applied is not particularly limited as long as it can be peeled off, and is preferably 3 V or more. The upper limit of the voltage is not particularly limited from the viewpoint of peeling off, but it is preferably 200 V or less in consideration of the voltage application device and the influence on the object to be placed. The application time is preferably, for example, 5 minutes or less. The upper limit of the application time is determined by the peeling effect. 19 322164 201113350 Two special considerations 'Considering the influence on the body, the temperature can be normal temperature in about 10 minutes (about 25. 〇, ' is better. j away from homework The present invention will be described in more detail by way of examples in the following description, but the present invention is not limited to the following examples. (Example 1) (Preparation of acrylic adhesive) N-butyl succinate (manufactured by Mitsubishi Chemical Corporation), 91 parts by weight, acrylic acid (manufactured by Mitsubishi Chemical Corporation), 8 parts by weight, methacrylic acid 2, ethyl vinegar (manufactured by Nippon Shokubai Co., Ltd.) Azobisisobutyronitrile (AIBN, manufactured by Pure Chemical Co., Ltd.) as a polymerization initiator, 2 parts by weight, solvent (ethyl acetate: toluene (weight ratio) == 9: 1), 15 parts by weight, An acrylic pressure-sensitive adhesive was obtained by a polymerization reaction at 85 C for 5 hours in a nitrogen gas machine. The obtained acrylic pressure-sensitive adhesive contained 40% by weight of a resin component (solid content: acrylic polymer: weight average molecular weight: about 800,000), and had 7000 raPa·s. Viscosity (electrolyte)
作為四級敍鹽之電解液,使用含有l.〇M(m〇l/l)四I 蝴酸四乙基銨(tetraethylammonium tetrafluoroborate) (EhNBF4)之碳酸伸丙酯(PC)(東洋合成工業公司製)。 (調製黏著劑組成物) 在上述丙烯酸系黏著劑100重量份(丙烯酸系聚合物 20 322164 201113350 40重量份)中添加作為異氰酸酯系交聯劑之c〇r〇naTE L-55E(日本Polyurethane公司製)4重量份與上述電解液 16重量份,在常溫攪拌1〇分鐘脫泡後得到黏著劑組成物。 (測定離子導電率) 黏著劑組成物之離子導電率如下所述般測定。測定係 使用Solartron公司製1260頻率響應分析儀,以AC阻抗 法進行。具體而g,使用二極式單元(東洋办以⑽公司製) 將黏著劑組成物以不鏽鋼挾持,藉由鐵氟龍製隔片,控制 一定在面積(1.3cm2)與厚度(〇.〇〇4cm)之圓盤狀。此單元上 施加振幅10mV之電壓,振幅在規定頻率ιΜΗζ至〇. 1Hz變 化時所付之柯爾-柯爾圖(C〇ie-c〇ie pi〇t)使用等效電路 藉由曲線配適法(curve fit)而求得電阻。將面積A、厚度 L以及電阻Rb代入下述式中,算出黏著劑組成物之離子導 電率σ。 (式)σ = L/(RbxA) (調製導電層) 將銀漿A(D〇tite FA-353N,熱硬化性聚酯樹脂,含有 銀69重,藤倉化成公司製)ι〇〇重量份、丙烯酸樹脂 (BYK Japan公司製byk-350)(表面調整用塗平(leveling) 劑重星份、聚石夕氧(βγΚ japan公司製byk_〇6⑽)(消泡 劑)1重量份均勻混合。藉由將所得之混合溶液在使用第! 圖中之圖案(1)之版進行聚矽氧剝離處理之pET膜上凹板 印刷而知到導電層。第1圖中,a為開口部之寬度(點寬), b為導電區域之寬度(線寬)。 322164 21 201113350 (調製電剝離性黏著製品) 將上述黏著劑組成物塗佈於釋離襯塾㈤咖Hner) 上,所得之塗膜在⑽。c乾燥2分鐘,得到厚度4〇⑽之 電句離H黏著劑層後,在作為導電性支樓體之紹羯基材(厚 度100=上貼合電剝離性黏著劑層。之後,在4(rc熟成 3田日。接著,剝去釋離襯塾,藉由貼附上述製作之導電層, 得到電剝離性黏著製品(黏著膠帶)。 所知·之電剝離性黏著製品給予下述評估。結果如表1 及表2所示。表中,「份」意指重量份。 (評估電剝離性黏著製品) (1) 測定表面電阻 測定導電圖案材料單獨以及黏著膠帶上之表面電阻。2 個不鏽鋼製電極χ(寬度A: 2 5cm)距一定距離L(3 〇cm)配 置於測定對象w上,在各電極上放置lkg之砝碼Y(第2圖)。 之後,使用測試器Z求得電極間之電阻值。表面電 阻(Ω/口)藉由式:表面電阻(i}/|:]) = R(n)xA(cm)/L(cm) 算出。 (2) 測定黏著力 將所彳寸之黏著膠帶裁成寬度25mmx長度 250mm而得到 試料片。將試料片置於PET板(被著體:Engineering Test Service公司製),使用2kg之橡膠滾輪以3〇〇匪/分鐘之速 度於減料片長方向上來回1次,壓覆試料片而得到評估試 樣。壓覆30分鐘後,依JIS Z-0237為準則,使用島津製 作所公司製autograph AGS-Η,測定以抗張速度300随/分 22 322164 201113350 鐘180°之角度剝除(180°剝離)所需要之力量(黏著力: I N/25mm)。 與上述相同準備之試料試樣壓覆30分鐘後,如第3 圖所示在評估試樣之導電性支撐體和被著體上安裝電極, 施加100V之電壓3分鐘。施加後,與上述同樣方式測定在 180°剝離所需要之力量。 第3圖為施加電壓方法之概略剖面圖。圖中,1為導 電性支撐體、2為電剝離性黏著劑層、3為導電層、4為被 著體、5為直流電源。 (2)評估電剝離性 電剝離性藉由施加電壓(100V3分鐘)後黏著力之降低 程度而評估。計算出施加電壓後之黏著力相對於施加電壓 前之黏著力之比例(%)作為黏著力之維持率。維持率20% 以下時評估為藉由施加電壓容易剝離者而記為◎,較20% 大且在50%以下時評估為可剝離者而記為〇,較50%大時 評估為難以剝離而記為X。 (實施例2至18以及比較例1至4) 除了使用表1所示導電層及黏著劑層以外,與實施例 1相同得到電剝離性黏著製品。所得之電剝離性黏著製品 與實施例1同樣地進行評估。結果如表1及表2所示。然 而,電解液之添加量較多之比較例3,本身無法製膜。 並且,表1及表2之該等實施例及比較例中,使用銀 漿B為Dotite XA-824(樹脂成分:熱硬化性苯酚樹脂,含 有銀45重量%,藤倉化成公司製)、聚酯系黏著劑XI-0002 23 322164 201113350 (曰本合成化學工業公司製:固體成分50重量% :黏度 6000mPa · s)、四級銨鹽之電解液為1. 8M之四氟硼酸三乙 基甲基銨(Et3MeNBF4)之碳酸伸丙酯(PC)(東洋合成工業公 司製)、離子液體A為(雙(三氟曱烷磺)醯亞胺1-己基吡啶 鏽鹽)(關東化學公司製)。被著體使用聚碳酸酯 (Engineering Test Service公司製)、玻璃、聚酿亞胺(宇 部興產公司製Upi lex)。 24 322164 201113350.[表 1 ] i) 齋掛命£ 瑤As a four-stage salt electrolyte, a propyl carbonate (PC) containing tetramethylammonium tetrafluoroborate (EhNBF4) containing l.〇M(m〇l/l) tetraethylammonium tetrafluoroborate (EhNBF4) (Toyo Synthetic Industries Co., Ltd.) system). (Preparation of the adhesive composition) 100 parts by weight of the acrylic pressure-sensitive adhesive (acrylic polymer 20 322164 201113350 40 parts by weight), c〇r〇naTE L-55E as an isocyanate crosslinking agent (manufactured by Polyurethane Co., Ltd., Japan) 4 parts by weight and 16 parts by weight of the above electrolyte solution were defoamed at room temperature for 1 minute to obtain an adhesive composition. (Measurement of ionic conductivity) The ionic conductivity of the adhesive composition was measured as described below. The measurement was carried out by an AC impedance method using a 1260 frequency response analyzer manufactured by Solartron. Specifically, a two-pole unit (made by Toyo Kobo Co., Ltd.) is used to hold the adhesive composition in a stainless steel, and the Teflon spacer is used to control the area (1.3 cm 2 ) and thickness (〇.〇〇). 4cm) disc shape. A voltage of 10 mV is applied to the unit, and the amplitude is 规定 ΜΗζ 〇 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (curve fit) and find the resistance. The area A, the thickness L, and the electric resistance Rb were substituted into the following formula to calculate the ion conductivity σ of the adhesive composition. (Formula) σ = L / (RbxA) (Preparation of Conductive Layer) Silver paste A (D〇tite FA-353N, thermosetting polyester resin containing 69 weight of silver, manufactured by Fujikura Kasei Co., Ltd.) Acrylic resin (byk-350, manufactured by BYK Japan Co., Ltd.) (surface-adjusting leveling agent heavy star, polysulfide (by γ ja japan company byk_〇6 (10)) (antifoaming agent) 1 part by weight was uniformly mixed. The conductive layer was obtained by gravure printing the obtained mixed solution on a pET film subjected to polyelectrodoxy stripping treatment using the pattern of the pattern (1) in Fig. 1 . In Fig. 1, a is the width of the opening. (dot width), b is the width (line width) of the conductive region. 322164 21 201113350 (Modified electrically peelable adhesive article) The above adhesive composition is applied to the release liner (5) coffee Hner), and the obtained coating film In (10). c Dry for 2 minutes to obtain a thickness of 4 〇 (10) after leaving the H adhesive layer, in the conductive substrate as a conductive substrate (thickness 100 = attached to the electrically peelable adhesive layer. After that, at 4 (rc is matured in 3 days. Next, the release liner is peeled off, and the electrically conductive adhesive layer (adhesive tape) is obtained by attaching the above-mentioned conductive layer. The known peelable adhesive product is evaluated as follows. The results are shown in Tables 1 and 2. In the table, "parts" means parts by weight. (Evaluation of electrically peelable adhesive products) (1) Determination of surface resistance The surface resistance of the conductive pattern material alone and the adhesive tape was measured. A stainless steel electrode crucible (width A: 25 cm) is placed on the measurement target w at a predetermined distance L (3 〇 cm), and a weight Y of lkg is placed on each electrode (Fig. 2). Thereafter, the tester Z is used. The resistance value between the electrodes was obtained. The surface resistance (Ω/□) was calculated by the formula: surface resistance (i}/|:]) = R(n)xA(cm)/L(cm). The force of the adhesive tape was cut into a width of 25 mm x a length of 250 mm to obtain a test piece. The sample piece was placed on a PET plate (the body: Engineer ING Test Service Co., Ltd., using a 2kg rubber roller to roll back and forth in the length direction of the stripper at a speed of 3 〇〇匪/min, and press the test piece to obtain an evaluation sample. After pressing for 30 minutes, according to JIS Z -0237 is the standard, using the autograph AGS-Η manufactured by Shimadzu Corporation, and measuring the force required to peel (180° peel) at a tensile speed of 300 with a degree of 22 322164 201113350 180° (adhesion: IN/25mm) After the sample sample prepared in the same manner as described above was pressed for 30 minutes, the electrode was mounted on the conductive support and the substrate of the evaluation sample as shown in Fig. 3, and a voltage of 100 V was applied for 3 minutes. In the same manner as described above, the force required for peeling at 180° is measured. Fig. 3 is a schematic cross-sectional view showing a method of applying voltage. In the figure, 1 is a conductive support, 2 is an electrically peelable adhesive layer, and 3 is a conductive layer, 4 (2) Evaluation of the electric peeling electrical peeling property was evaluated by the degree of reduction of the adhesive force after applying a voltage (100 V for 3 minutes). The adhesive force after the applied voltage was calculated with respect to the applied voltage. Proportion of adhesion (%) is the retention rate of adhesion. When the retention rate is 20% or less, it is evaluated as ◎ when it is easy to peel off by application of voltage, and it is marked as 可 when it is larger than 20% and is evaluated as peelable when it is 50% or less. When it is larger than 50%, it is evaluated as X which is difficult to peel off. (Examples 2 to 18 and Comparative Examples 1 to 4) Electrical peelability was obtained in the same manner as in Example 1 except that the conductive layer and the adhesive layer shown in Table 1 were used. The adhesive product was obtained, and the obtained electrically peelable adhesive product was evaluated in the same manner as in Example 1. The results are shown in Tables 1 and 2. However, in Comparative Example 3 in which the amount of the electrolytic solution added was large, film formation by itself was impossible. In the examples and comparative examples of Tables 1 and 2, silver paste B was used as Dotite XA-824 (resin component: thermosetting phenol resin, containing 45 wt% of silver, manufactured by Fujikura Kasei Co., Ltd.), and polyester. The adhesive solution of the quaternary ammonium salt is 1. 8M triethyl methyl tetrafluoroborate. The adhesive is XI-0002 23 322164 201113350 (manufactured by Sakamoto Synthetic Chemical Co., Ltd.: solid content: 50% by weight: viscous 6000 mPa · s). Ammonium carbonate (PC) (manufactured by Toyo Seisakusho Co., Ltd.) and ionic liquid A of ammonium (Et3MeNBF4) are (bis(trifluorodecanesulfonate) sulfimine 1-hexylpyridine rust salt) (manufactured by Kanto Chemical Co., Ltd.). Polycarbonate (manufactured by Engineering Test Service Co., Ltd.), glass, and polynitrite (Upi lex, manufactured by Ube Industries, Ltd.) were used. 24 322164 201113350.[Table 1] i) Fasting for life
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CJ 25 322164 201113350 [表2] 黏著力 電剝離性 被著體 施加電壓前 施加電壓後 維持率(%) 評估 (N/25rau) (Ν/25πτη) 實施例1 PET ΡΕΓ 4.9 0.8 16 ◎ 實施例2 41 0.7 17 ◎ 實施例3 PFT 4.0 0.3 8 ◎ 實施例4 PEJ PET 4.7 2.0 43 〇 實施例5 5.3 2.6 49 〇 實施例6 ΡΕΓ 3.7 0.4 11 ◎ 實施例7 聚碳酸酯 11.0 1·7 15 ◎ 實施例8 玻璃 3.7 0.2 5 ◎ 實施例9 聚醯亞胺 3.8 0.8 21 〇 雌姻1 PET ΡΕΓ 31.0 15.1 30.8 14.6 99 97 X X 實施例10 PET 7.0 3.3 47 〇 實施例11 PET 0.9 0.2 22 〇 實施例12 ΡΕΓ 0.3 0.1 33 〇 跋· 一 一 一 一 X 實施例13 PET 1.9 0.7 37 〇 PET 4.0 3.9 98 X 實施例14 PET 5.0 2.3 46 〇 實施例15 PLT 3.7 1.2 32 〇 實施例16 PET 2.2 0.6 27 〇 實施例17 PET 2.8 0.6 21 〇 實施例18 PET 3.0 0.5 17 ◎ (評估結果) 在丙烯酸黏著劑100份中添加1. 0M之Et4NBF4-PC(電 解質)16重量份,使用銀漿A(含有熱硬化性聚酯樹脂)作為 導電層形成用材料之實施例1至6,表面電阻低,此外, 相對於PE1T被著體,藉由施加電壓100V、3分鐘,大幅降 低黏著力。再者,被著體變更成聚碳酸酯(實施例7)、玻 璃(實施例8)、聚醯亞胺(實施例9)也同樣地黏著力大幅降 低。 不含電解質之比較例1及電解質添加量少之比較例 26 322164 201113350 2 ’點著力未降低。 電解質變更成1.8M之EtaMeNBFrPC之實施例13,藉 由施加電壓大幅降低黏著力。 電解質變更成離子液體A之比較例4,黏著力未降低。 銀聚中树;0曰成分為熱硬化性苯紛之實施例18,表面電 阻低,確認藉由施加電壓可降低黏著力。 (實施例19 ) 由實施例6至9之電剝離性黏著製品採取4個評估試 樣’測定對各別評估試樣施加1〇〇v電壓〗分鐘以及3分鐘 後之黏著力。測定法與實施例丄相同。所得之結果如第4 圖所不。第4 ®中亦顯示施加電壓前之黏著力。第4圖中, 2點虛線為聚碳酸酯 '點線為聚醯亞胺、實線為ρΕτ、工點 虛線為玻璃各種被著體之圖。 〜由第4圖可清楚得知’實施例之電剝離性黏著製品, =論破著體之種類為何,都可以在短時間㈣貞著降低黏著 【圖式簡單說明】 第1圖為概略說明實施例之導電層之形狀之圖。 第2圖為概略說明實施例之表面電阻測定方法之圖 第3圖為概略說明實施例之施加電壓方法之圖 關係=圖為表示實施例19之黏著力與施加電壓時間之 【主要元件符號說明】 導電性支樓冑2 冑剝離性黏著劑層 322164 27 201113350 3 導電層 4 被著體 5 直流電源 a 開口部的寬度(點寬) b 導電區域的寬度(線寬) A 電極寬度 L 電極間距離 W 測定對象 X 電極 Y 石去碼 Z 測試器 28 322164CJ 25 322164 201113350 [Table 2] Adhesion rate (%) Evaluation (N/25rau) (Ν/25πτη) after application of voltage before application of voltage by the applied force Example 1 PET 4.9 4.9 0.8 16 ◎ Example 2 41 0.7 17 ◎ Example 3 PFT 4.0 0.3 8 ◎ Example 4 PEJ PET 4.7 2.0 43 〇 Example 5 5.3 2.6 49 〇 Example 6 ΡΕΓ 3.7 0.4 11 ◎ Example 7 Polycarbonate 11.0 1·7 15 ◎ Example 8 Glass 3.7 0.2 5 ◎ Example 9 Polyimine 3.8 0.8 21 〇 Female 1 PET ΡΕΓ 31.0 15.1 30.8 14.6 99 97 XX Example 10 PET 7.0 3.3 47 〇 Example 11 PET 0.9 0.2 22 〇 Example 12 ΡΕΓ 0.3 0.1 33 〇跋·11·11 X Example 13 PET 1.9 0.7 37 〇PET 4.0 3.9 98 X Example 14 PET 5.0 2.3 46 〇Example 15 PLT 3.7 1.2 32 〇Example 16 PET 2.2 0.6 27 〇Example 17 PET 2.8 0.6 21 〇 Example 18 PET 3.0 0.5 17 ◎ (Evaluation Results) To 100 parts of the acrylic adhesive, 1.0 part by weight of Et4NBF4-PC (electrolyte) was added, and silver paste A (containing thermosetting polyester) was used. Resin) as conductive Example materials forming 1 to 6, a low surface resistance, in addition, PE1T is the body, by applying a voltage 100V, 3 minutes significantly reduced with respect to adhesion. Further, the adhesion was changed to polycarbonate (Example 7), glass (Example 8), and polyimine (Example 9), and the adhesion was also remarkably lowered. Comparative Example 1 containing no electrolyte and Comparative Example with a small amount of electrolyte added 26 322164 201113350 2 'The point force was not lowered. In Example 13, in which the electrolyte was changed to 1.8 M EtaMeNBFrPC, the adhesion was greatly reduced by the application of a voltage. In Comparative Example 4 in which the electrolyte was changed to the ionic liquid A, the adhesion was not lowered. Silver-concentrated medium tree; Example 18, which is a thermosetting benzene, has a low surface resistance, and it is confirmed that the adhesion can be lowered by applying a voltage. (Example 19) Four evaluation samples were taken from the electrically peelable adhesive articles of Examples 6 to 9', and the adhesion of 1 〇〇 v voltage for 1 minute and 3 minutes after the respective evaluation samples was measured. The measurement method is the same as in the example. The results obtained are as shown in Figure 4. The adhesion before applying voltage is also shown in the 4th ®. In Fig. 4, the dotted line at 2 o'clock is polycarbonate. The dotted line is polyimine, the solid line is ρΕτ, and the dotted line is the figure of various glass objects. ~ It can be clearly seen from Fig. 4 that the electric peelable adhesive article of the embodiment can be reduced in a short time (four). [Simplified description of the drawing] Figure 1 is a schematic description of the implementation. A diagram of the shape of a conductive layer. Fig. 2 is a view schematically showing a method of measuring the surface resistance of the embodiment. Fig. 3 is a view schematically showing the relationship between the method of applying voltage in the embodiment. Fig. 2 is a view showing the relationship between the adhesion force and the applied voltage time of the embodiment 19. 】 Conductive branch 胄 2 胄 Releasable adhesive layer 322164 27 201113350 3 Conductive layer 4 Receiving body 5 DC power supply a Opening width (dot width) b Conducting area width (line width) A Electrode width L between electrodes Distance W measurement object X electrode Y stone code Z tester 28 322164
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US20160009960A1 (en) * | 2013-03-27 | 2016-01-14 | Lintec Corporation | Electrically peelable adhesive composition and electrically peelable adhesive sheet, and method for using electrically peelable adhesive sheet |
CN105143385B (en) * | 2013-09-27 | 2017-09-29 | 琳得科株式会社 | The application method of electric Stripping adhesive compositeon, electric fissility bonding sheet and electric fissility bonding sheet |
JP6252360B2 (en) * | 2014-05-29 | 2017-12-27 | 富士通株式会社 | Wiring board manufacturing method |
JP6770523B2 (en) * | 2015-02-27 | 2020-10-14 | ヘンケル・アクチェンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト・アウフ・アクチェンHenkel AG & Co. KGaA | Reactive hot melt adhesive that can be peeled off |
JP6407825B2 (en) * | 2015-09-02 | 2018-10-17 | 信越化学工業株式会社 | Method for manufacturing permanent magnet magnetic circuit |
KR102478800B1 (en) | 2017-03-02 | 2022-12-16 | 닛토덴코 가부시키가이샤 | Ionic compositions and related uses thereof |
CN107502246B (en) * | 2017-08-25 | 2020-10-27 | 无锡海特新材料研究院有限公司 | Solvent type acrylate pressure-sensitive adhesive for crepe paper and preparation method thereof |
KR20200088871A (en) | 2017-11-21 | 2020-07-23 | 닛토덴코 가부시키가이샤 | Basic ionic liquid composition and absence comprising same |
JP2019156912A (en) | 2018-03-08 | 2019-09-19 | 日東電工株式会社 | Electrically peelable type adhesive sheet, bonded body and peeling method of bonded body |
JP2020183461A (en) * | 2019-04-26 | 2020-11-12 | 日立化成株式会社 | Composition for pressure-sensitive adhesives, pressure-sensitive adhesive film, and surface-protective film |
EP3878482A1 (en) | 2020-03-11 | 2021-09-15 | Nitto Belgium NV | Electrically switchable adhesives for application on skin and related products and uses |
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KR102568697B1 (en) | 2021-03-19 | 2023-08-22 | 한국과학기술연구원 | Temperature sensitive adhesive for ostomy and adhesive tape comprising the same |
JP7193682B1 (en) * | 2021-03-26 | 2022-12-20 | リンテック株式会社 | Electro-peeling adhesive sheet and peeling method for electro-peeling adhesive sheet |
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JP2023138150A (en) | 2022-03-18 | 2023-09-29 | 株式会社東芝 | Object adhesion/peeling method, and object adhesion/peeling device |
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US7332218B1 (en) * | 1999-07-14 | 2008-02-19 | Eic Laboratories, Inc. | Electrically disbonding materials |
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