ADHESIVE FOR POLARIZING PLATE, POLARIZING PLATE, MANUFACTURING METHOD THEREFOR, OPTICAL FILM AND IMAGE DISPLAY

An adhesive of the invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein 200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can reduce the occurrence of knicks. 1preparing an adhesive for polarizing plate, comprising:a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin;applying the adhesive for polarizing plate to an adhesive layer-receiving surface of the polarizer and/or an adhesive layer-receiving surface of the transparent protective film; andlaminating the polarizer and the transparent protective film.. A method for manufacturing a polarizing plate comprising a polarizer and a transparent protective film provided on at least one side of the polarizer with an adhesive layer interposed therebetween, comprising the steps of: This application is a divisional application of U.S. Non-Provisional application Ser. No. 11/808,255, filed Jun. 7, 2007, which is based on and claims priority of Japanese Patent Application No. 2006-161227, filed on Jun. 9, 2006 and Japanese Patent Application No. 2007-104450 filed on Apr. 12, 2007, the entire contents of which are incorporated herein by reference.1. Field of the InventionThis invention relates to an adhesive for polarizing plate. The invention further relates to a polarizing plate and manufacturing method thereof using the adhesive for polarizing plate. The polarizing plate alone or an optical film obtained by laminating the ...

Pressure-sensitive adhesive composition, pressure-sensitive printing ink composite and pressure-sensitive adhesive tape made thereof

The invention relates to a pressure-sensitive adhesive composition, pressure-sensitive printing ink composite and pressure-sensitive adhesive tape made thereof. The pressure-sensitive adhesive composition includes the following components: A. acrylic acid series polymer or rubber polymer or organosilicone polymer and B. pigment without halogen; wherein component A is 100 parts by weight, component B is 1-50 parts by weight, and the pigment comprises at least one kind among blue pigment, yellow pigment, white pigment, black pigment and red pigment. Contents of chlorine element and bromine element in the pressure-sensitive adhesive composition are less than or equal to 900ppm, and total content of the chlorine element and bromine element is less than or equal to 1500ppm. The pressure-sensitive adhesive tape prepared with the pressure-sensitive adhesive composition and position thereof can be recognized quickly and accurately in the process of lithium ion battery production, and little pollution ...

PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND METHOD FOR PRODUCING SAME

Disclosed is to provide a pressure-sensitive adhesive optical film that has excellent durability wherein deterioration of an image display region is suppressed even under severe conditions such as heating caused by lighting of a backlight and to provide a method for producing the same. Disclosed is also to provide an image display using such a pressure-sensitive adhesive optical film. A pressure-sensitive adhesive optical film, comprising: an optical film; and a pressure-sensitive adhesive layer arranged on one or both sides of the optical film, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive composition comprising 100 parts by weight of a (meth)acrylic polymer which contains, as a monomer unit, at least 50% by weight of an alkyl (meth)acrylate ester having an alkyl group with 4 or more carbon atoms, and 0.02 to 2 parts by weight of a peroxide, and the pressure-sensitive adhesive layer has a thickness of 20 μm or more.

LAMINATE

Provided is a laminate including a thermoplastic resin layer and a substrate, which has superior transparency, is resistant to “warping”, and is advantageous for the encapsulation and surface protection of opto-electronic devices. The laminate includes a substrate; a thermoplastic resin layer having a thickness of more than 200 μm and less than or equal to 500 μm; and a pressure-sensitive adhesive layer lying between the substrate and thermoplastic resin layer and bonding them to each other, in which the thermoplastic resin layer has a 180-degree peel strength of 1.0 N/25 mm or more with respect to the pressure-sensitive adhesive layer at 23° C. The laminate preferably has a total luminous transmittance of 80% or more.

Pressure-sensitive adhesive tape for battery outer packaging

A pressure-sensitive adhesive tape for a battery outer packaging including: a base material; and a pressure-sensitive adhesive layer arranged on one surface of the base material, where a value calculated from an expression “a loss modulus of elasticity (G″) of the pressure-sensitive adhesive tape for a battery outer packaging at 70° C.×a thickness (mm) of the pressure-sensitive adhesive layer/a thickness (mm) of the pressure-sensitive adhesive tape for a battery outer packaging” is 8×103Pa or more; a value calculated from an expression “a storage modulus of elasticity (G′) of the pressure-sensitive adhesive tape for a battery outer packaging at 23° C. ×the thickness (mm) of the pressure-sensitive adhesive layer/the thickness (mm) of the pressure-sensitive adhesive tape for a battery outer packaging” is 3×105Pa or less; and a pressure-sensitive adhesive strength of the pressure-sensitive adhesive tape for a battery outer packaging to a stainless-steel plate at 23° C. is 2 N/10 mm or more ...

Adhesive for polarizing plate, polarizing plate, manufacturing method therefor, optical film and image display

An adhesive of the invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein 200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can reduce the occurrence of knicks.

Pressure-sensitive adhesive tape for battery and battery using the pressure-sensitive adhesive tape

The present invention relates to a pressure-sensitive adhesive tape for battery containing: a substrate; and a pressure-sensitive adhesive layer provided on at least one side of the substrate, in which the pressure-sensitive adhesive tape has a thickness change ratio of 20% or less after immersion in a mixed solvent of ethylene carbonate/diethyl carbonate [former/latter (volume ratio)=1/1] at 60° C. for 8 hours; and a 180° peeling adhesive strength (against aluminum foil, peel temperature: 25° C., peel rate: 300 mm/minute) of 0.5 N/10 mm or more after the above immersion.

Adhesive for polarizing plate, polarizing plate, manufacturing method therefor, optical film and image display

An adhesive of the invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein 200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can reduce the occurrence of knicks.

PRESSURE-SENSITIVE ADHESIVE TAPE FOR BATTERY

The present invention relates to a pressure-sensitive adhesive tape for battery containing: a substrate and a pressure-sensitive adhesive layer laminated on at least one surface of a substrate, in which the pressure-sensitive adhesive layer is laminated on the substrate, 0.5 mm or more inside from both edges of the substrate, and in which the pressure-sensitive adhesive tape has a 180° peeling pressure-sensitive adhesive force at 23° C. being 0.1 N/10 mm or more, and has a slippage distance after a pressure-sensitive adhesive layer side of the pressure-sensitive adhesive tape is attached to a phenolic resin plate (attaching area: 10 mm×20 mm), followed by applying a load of 500 g thereto at 40° C. for 1 hour being 0.2 mm or less. 1. A pressure-sensitive adhesive tape for battery comprising:a substrate, anda pressure-sensitive adhesive layer laminated on at least one surface of a substrate, whereinthe pressure-sensitive adhesive layer is laminated on the substrate, 0.5 mm or more inside from both edges of the substrate,the pressure-sensitive adhesive tape has a 180° peeling pressure-sensitive adhesive force at 23° C. being 0.1 N/10 mm or more, and has a slippage distance after a pressure-sensitive adhesive layer side of the pressure-sensitive adhesive tape is attached to a phenolic resin plate (attaching area: 10 mm×20 mm), followed by applying a load of 500 g thereto at 40° C. for 1 hour being 0.2 mm or less.2. The pressure-sensitive adhesive tape according to claim 1 , wherein the pressure-sensitive adhesive layer has a thickness of from 1 μm to 45 μm.3. The pressure-sensitive adhesive tape according to claim 1 , wherein the pressure-sensitive adhesive layer is formed of a pressure-sensitive adhesive comprising an acrylic polymer.4. The pressure-sensitive adhesive tape according to claim 3 , wherein the pressure-sensitive adhesive further comprises a crosslinking agent.5. The pressure-sensitive adhesive tape according to claim 4 , wherein the content of the ...

PRESSURE-SENSITIVE ADHESIVE TAPE FOR BATTERY, BATTERY USING THE PRESSURE-SENSITIVE ADHESIVE TAPE AND PROCESS FOR MANUFACTURING A BATTERY

The present invention relates to a pressure-sensitive adhesive tape for battery containing a substrate and a pressure-sensitive adhesive layer provided on at least one surface of the substrate, in which the pressure-sensitive adhesive layer has a thickness of from 2 μm to 100 μm, and in which the pressure-sensitive adhesive tape has a 180° peeling adhesive force toward an aluminum foil after pressure bonding at 25° C. being 0.05 N/10 mm or more and a 180° peeling adhesive force toward an aluminum foil after thermocompression bonding at a temperature of 30° C. or higher to lower than 200° C. being 0.5 N/10 mm or more. 1. A pressure-sensitive adhesive tape for battery comprising:a substrate anda pressure-sensitive adhesive layer provided on at least one surface of the substrate,wherein the pressure-sensitive adhesive layer has a thickness of from 2 μm to 100 μm, andwherein the pressure-sensitive adhesive tape has a 180° peeling adhesive force toward an aluminum foil after pressure bonding at 25° C. being 0.05 N/10 mm or more and a 180° peeling adhesive force toward an aluminum foil after thermocompression bonding at a temperature of 30° C. or higher to lower than 200° C. being 0.5 N/10 mm or more.2. The pressure-sensitive adhesive tape for battery according to claim 1 , wherein the pressure-sensitive adhesive layer contains a thermoplastic elastomer.3. The pressure-sensitive adhesive tape for battery according to claim 2 , wherein the thermoplastic elastomer is an acid-modified thermoplastic elastomer.4. The pressure-sensitive adhesive tape for battery according to claim 2 , wherein the pressure-sensitive adhesive layer further contains a tackifier.5. The pressure-sensitive adhesive tape for battery according to claim 4 , wherein the pressure-sensitive adhesive layer contains the tackifier in an amount of from 5 parts by weight to 50 parts by weight based on 100 parts by weight of the thermoplastic elastomer.6. A battery obtained by attaching the pressure-sensitive ...

PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET

Disclosed is a pressure-sensitive adhesive tape or sheet which does not cause deterioration of an electrolytic solution even when immersed in the electrolytic solution and which can be smoothly unwound even after being wound. The pressure-sensitive adhesive tape or sheet includes a substrate and, on one surface thereof, a pressure-sensitive adhesive layer. The substrate has a wetting tension of from 30 to 35 mN/m in the surface to face the pressure-sensitive adhesive layer, where the wetting tension is measured by a method according to JIS K 6768:1999. The pressure-sensitive adhesive layer includes a pressure-sensitive adhesive containing substantially no polar group. A pressure-sensitive adhesive in the pressure-sensitive adhesive layer is preferably a rubber pressure-sensitive adhesive such as a polyisobutylene rubber and/or an isobutylene-isoprene rubber. 1. A pressure-sensitive adhesive tape or sheet comprising:a substrate; anda pressure-sensitive adhesive layer present on or over one surface of the substrate,wherein:the surface of the substrate to face the pressure-sensitive adhesive layer has a wetting tension of from 30 to 35 mN/m, where the wetting tension is measured by a method according to Japanese Industrial Standard (JIS) K 6768:1999; andthe pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive containing substantially no polar group.2. The pressure-sensitive adhesive tape or sheet according to claim 1 ,wherein the pressure-sensitive adhesive layer comprises a rubber pressure-sensitive adhesive as the pressure-sensitive adhesive.3. The pressure-sensitive adhesive tape or sheet according to claim 2 ,wherein the pressure-sensitive adhesive layer comprises at least one rubber pressure-sensitive adhesive selected from the group consisting of a polyisobutylene rubber and an isobutylene-isoprene rubber as the pressure-sensitive adhesive.4. The pressure-sensitive adhesive tape or sheet according to claim 1 ,wherein the pressure-sensitive ...

Pressure-sensitive adhesive tape for battery outer packaging

Provided is a pressure-sensitive adhesive tape for a battery outer packaging having the following feature: the shift (adhesive shift) of the tape in its pressure-sensitive adhesive surface and liquid penetration when the tape is subjected to a salt water immersion test are prevented, and hence the tape is useful for the outer packaging of a battery. The pressure-sensitive adhesive tape for a battery outer packaging includes: a base material; and a pressure-sensitive adhesive layer arranged on one surface of the base material, in which: a value calculated from an expression “a loss modulus of elasticity (G″) of the pressure-sensitive adhesive tape for a battery outer packaging at 70° C.×a thickness (mm) of the pressure-sensitive adhesive layer/a thickness (mm) of the pressure-sensitive adhesive tape for a battery outer packaging” is 8×10 3 Pa or more; a value calculated from an expression “a storage modulus of elasticity (G′) of the pressure-sensitive adhesive tape for a battery outer packaging at 23° C.×the thickness (mm) of the pressure-sensitive adhesive layer/the thickness (mm) of the pressure-sensitive adhesive tape for a battery outer packaging” is 3×10 5 Pa or less; and a pressure-sensitive adhesive strength of the pressure-sensitive adhesive tape for a battery outer packaging to a stainless-steel plate at 23° C. is 2 N/10 mm or more.

ADHESIVE AND ADHESIVE TAPE

Provided are a pressure-sensitive adhesive that is suppressed from being reduced in pressure-sensitive adhesive strength at the time of its contact with an oil content or an alcohol component, and a pressure-sensitive adhesive tape including the pressure-sensitive adhesive. The pressure-sensitive adhesive of the present invention is a pressure-sensitive adhesive configured to express an adhesive property by being pressure-bonded, including: an acrylic polymer having an acid functional group; and a crystalline resin having a melting point of 25° C. or more. In one embodiment, the pressure-sensitive adhesive is configured to express the adhesive property by being warmed. In one embodiment, the acrylic polymer having an acid functional group has a constituent unit “a” derived from a (meth)acrylic acid alkyl ester having a linear or branched alkyl group having 4 or more carbon atoms. 1. A pressure-sensitive adhesive configured to express an adhesive property by being pressure-bonded , comprising:an acrylic polymer having an acid functional group; anda crystalline resin having a melting point of 25° C. or more.2. The pressure-sensitive adhesive according to claim 1 , wherein the pressure-sensitive adhesive is configured to express the adhesive property by being warmed.3. The pressure-sensitive adhesive according to claim 1 , wherein the acrylic polymer having an acid functional group has a constituent unit “a” derived from a (meth)acrylic acid alkyl ester having a linear or branched alkyl group having 4 or more carbon atoms.4. The pressure-sensitive adhesive according to claim 3 , wherein a content ratio of the constituent unit “a” is 50 parts by weight or more with respect to 100 parts by weight of the acrylic polymer having an acid functional group.5. The pressure-sensitive adhesive according to claim 1 , wherein the crystalline resin is a polyolefin-based resin.6. The pressure-sensitive adhesive according to claim 5 , wherein the polyolefin-based resin is a maleic ...

PRESSURE-SENSITIVE ADHESIVE TAPE FOR ELECTROCHEMICAL DEVICE

Provided is a PSA tape for an electrochemical device, which can be peeled off rapidly and will not damage adherend materials or the PSA tape itself, or will not leave adhesive residues, when an adhesion defectiveness occurs during the manufacturing and processing of an electrochemical device, especially an electrolytic capacitor or a battery. The PSA tape comprises a substrate and a PSA layer placed on at least one face of the substrate. In the PSA tape, an anchoring strength of the PSA layer to the substrate is 7.0 N/10 mm or more. 1. A pressure-sensitive adhesive tape for an electrochemical device , the pressure-sensitive adhesive tape comprising:a substrate; anda pressure-sensitive adhesive layer placed on at least one face of the substrate, andan anchoring strength of the pressure-sensitive adhesive layer to the substrate being 7.0 N/10 mm or more.2. The pressure-sensitive adhesive tape for an electrochemical device according to claim 1 , wherein the gel fraction of the pressure-sensitive adhesive layer is 50% by weight or higher and lower than 100% by weight.3. The pressure-sensitive adhesive tape for an electrochemical device according to claim 1 , wherein the pressure-sensitive adhesive tape exhibits an adhesive strength of 0.1 N/10 mm to 4 N/10 mm.4. The pressure-sensitive adhesive tape for an electrochemical device according to claim 1 , wherein the pressure-sensitive adhesive tape exhibits a higher anchoring strength than an adhesive strength claim 1 , and the difference between the anchoring strength and the adhesive strength is 5.0 N/10 mm or more.5. The pressure-sensitive adhesive tape for an electrochemical device according to claim 1 , wherein the pressure-sensitive adhesive layer is composed of an acrylic pressure-sensitive adhesive containing an acrylic polymer obtainable by polymerizing an alkyl(meth)acrylate monomer and a monomer containing a functional group claim 1 , the functional group being capable of reacting with a crosslinking agent.6. The ...

GAS ADSORPTION SHEET FOR SECONDARY BATTERIES

Provided is a gas adsorption sheet for a secondary battery, which contains gas adsorbent particles excellent in gas adsorption property, and allows the gas adsorption performance of the gas adsorbent particles to be sufficiently exhibited. According to one embodiment of the present invention, there is provided a gas adsorption sheet for a secondary battery, including: a heat-resistant base material; and a gas adsorption layer arranged on at least one surface of the heat-resistant base material, wherein the gas adsorption layer contains: a binder resin; and gas adsorbent particles each of which is formed of an inorganic porous material having pores, and is capable of adsorbing a gas. 1. A gas adsorption sheet for a secondary battery , comprising:a heat-resistant base material; and a binder resin; and', 'gas adsorbent particles each of which is formed of an inorganic porous material having pores, and is capable of adsorbing a gas., 'a gas adsorption layer arranged on at least one surface of the heat-resistant base material, wherein the gas adsorption layer contains2. The gas adsorption sheet for a secondary battery according to claim 1 , wherein the binder resin is an acrylic resin.3. The gas adsorption sheet for a secondary battery according to claim 2 ,wherein the acrylic resin contains a constituent unit derived from a (meth)acrylic acid alkyl ester, andwherein the (meth)acrylic acid alkyl ester has a linear or branched alkyl group having 4 to 12 carbon atoms.4. The gas adsorption sheet for a secondary battery according to claim 1 , wherein the binder resin is a butyl rubber claim 1 , an isoprene rubber claim 1 , a polyisobutylene rubber claim 1 , an ethylene propylene rubber claim 1 , or a silicone-based resin.5. The gas adsorption sheet for a secondary battery according to claim 1 , wherein a content of the gas adsorbent particles is from 10 parts by weight to 90 parts by weight with respect to 100 parts by weight of the gas adsorption sheet for a secondary ...

INSULATING TAPE

Provided is an insulating tape to be used in a nonaqueous secondary battery, the insulating tape being capable of maintaining its insulating property even under a severe environment, e.g., even when being heated, and being capable of improving the safety of the nonaqueous secondary battery. Specifically, provided is an insulating tape for a nonaqueous battery, including a base material, and a pressure-sensitive adhesive layer arranged on one side, or each of both sides, of the base material, in which the base material and/or the pressure-sensitive adhesive layer each contain/contains an insulating inorganic filler. Also provided is an insulating tape for a nonaqueous battery, including a base material with an insulating layer, and a pressure-sensitive adhesive layer arranged on one side, or each of both sides, of the base material with the insulating layer, in which the insulating layer contains an insulating inorganic filler. 1. An insulating tape for a nonaqueous battery , comprising:a base material; anda pressure-sensitive adhesive layer arranged on at least one side of the base material,wherein at least one member selected from the group consisting of the base material, the pressure-sensitive adhesive layer, and the base material and the pressure-sensitive adhesive layer contains an insulating inorganic filler.2. An insulating tape for a nonaqueous battery , comprising:a base material with an insulating layer; anda pressure-sensitive adhesive layer arranged on at least one side of the base material with the insulating layer,wherein the insulating layer contains an insulating inorganic filler.3. The insulating tape for a nonaqueous battery according to claim 1 , wherein the insulating inorganic filler comprises an inorganic compound containing one of Mg claim 1 , Al claim 1 , Zr claim 1 , Ti claim 1 , and B.4. The insulating tape for a nonaqueous battery according to claim 2 , wherein the insulating inorganic filler comprises an inorganic compound containing one ...

COVERING MATERIAL-PROVIDED NON-AQUEOUS SECONDARY CELL, PRODUCING METHOD THEREOF, AND CELL STACK

A covering material-provided non-aqueous secondary cell includes a non-aqueous secondary cell including a cell main body having one surface, the other surface disposed in opposed relation at spaced intervals to the one surface, and circumferential side surfaces connecting a circumferential end edge of the one surface to a circumferential end edge of the other surface and a terminal provided on at least any one of the one surface and the other surface and a covering material covering the cell main body so as to expose the terminal. The covering material includes a substrate and a pressure-sensitive adhesive layer disposed on one surface of the substrate and by allowing the pressure-sensitive adhesive layer to pressure-sensitively adhere to at least a part of the circumferential end edge of at least any one of the one surface and the other surface of the cell main body, the covering material covers at least a part of the circumferential end edge of at least any one of the one surface and the other surface of the cell main body. 1. A covering material-provided non-aqueous secondary cell comprising:a non-aqueous secondary cell including a cell main body having one surface, the other surface disposed in opposed relation at spaced intervals to the one surface, and circumferential side surfaces connecting a circumferential end edge of the one surface to a circumferential end edge of the other surface and a terminal provided on at least any one of the one surface and the other surface anda covering material covering the cell main body so as to expose the terminal, whereinthe covering material includes a substrate and a pressure-sensitive adhesive layer disposed on one surface of the substrate andby allowing the pressure-sensitive adhesive layer to pressure-sensitively adhere to at least a part of the circumferential end edge of at least any one of the one surface and the other surface of the cell main body, the covering material covers at least a part of the circumferential ...

Pressure-sensitive adhesive tape for electrochemical device

Provided is a pressure-sensitive adhesive tape for electrochemical devices according to the present invention. The adhesive tape is for use in electrochemical device production and includes a substrate and a pressure-sensitive adhesive layer. The adhesive layer is disposed on or over at least one side of the substrate and contains an acrylic polymer as a base polymer. The adhesive tape has a first and a second 180° peel adhesion strength. The first 180° peel adhesion strength is measured at 25° C. and a peeling speed of 300 mm/min after bonded to a SUS 304BA plate at a temperature of from 40° C. to below 150° C. The second 180° peel adhesion strength is measured at 25° C. and a peeling speed of 300 mm/min after bonded to a SUS 304BA plate at 25° C. The first 180° peel adhesion strength is twice or more as high as the second 180° peel adhesion strength.

ADHESIVE TAPE

Provided is a pressure-sensitive adhesive tape that can be used in the fixing of an electrode and a separator at the time of the production of a secondary battery, and that can satisfactorily fix the separator and the electrode to each other while maintaining the permeability of an electrolytic solution into the separator. A pressure-sensitive adhesive tape according to one embodiment of the present invention includes: a first base material; and a pressure-sensitive adhesive layer formed in a peelable manner on the first base material, in which the pressure-sensitive adhesive layer is formed by patterning. 1. A pressure-sensitive adhesive tape , comprising:a first base material; anda pressure-sensitive adhesive layer formed in a peelable manner on the first base material,wherein the pressure-sensitive adhesive layer is formed by patterning.2. A pressure-sensitive adhesive tape , comprising:a first base material; anda pressure-sensitive adhesive laminate formed in a peelable manner on the first base material, wherein:the pressure-sensitive adhesive laminate includes a second base material and pressure-sensitive adhesive layers formed on both sides of the second base material; andthe pressure-sensitive adhesive layers are each formed by patterning.3. The pressure-sensitive adhesive tape according to claim 1 , wherein the pressure-sensitive adhesive layer contains a heat-weldable pressure-sensitive adhesive.4. The pressure-sensitive adhesive tape according to wherein the pressure-sensitive adhesive layer contains a heat-weldable pressure-sensitive adhesive.5. The pressure-sensitive adhesive tape according to claim 1 , wherein the pressure-sensitive adhesive layer contains a pressure-sensitive adhesive having a swelling degree for a nonaqueous electrolytic solution of from 5% to 200%.6. The pressure-sensitive adhesive tape according to claim 2 , wherein the pressure-sensitive adhesive layer contains a pressure-sensitive adhesive having a swelling degree for a nonaqueous ...

Insulating tape

Provided is an insulating tape to be used in a nonaqueous secondary battery, the insulating tape being capable of maintaining its insulating property even under a severe environment, e.g. , even when being heated, and being capable of improving the safety of the nonaqueous secondary battery. Specifically, provided is an insulating tape for a nonaqueous battery, including a base material, and a pressure-sensitive adhesive layer arranged on one side, or each of both sides, of the base material, in which the base material and/or the pressure-sensitive adhesive layer each contain/contains an insulating inorganic filler. Also provided is an insulating tape for a nonaqueous battery, including a base material with an insulating layer, and a pressure-sensitive adhesive layer arranged on one side, or each of both sides, of the base material with the insulating layer, in which the insulating layer contains an insulating inorganic filler.

Adhesive tape and sheet

【課題】電解液に浸漬しても電解液を劣化させることがなく、巻回してもスムーズに巻き戻すことができる粘着テープ又はシートを提供する。 【解決手段】本発明の粘着テープ又はシートは、基材の一方の面に粘着剤層を有する粘着テープ又はシートであって、前記基材の粘着剤層を積層する側の表面のぬれ張力（ＪＩＳ Ｋ ６７６８：１９９９に準拠した方法よる）が３０〜３５ｍＮ／ｍであり、前記粘着剤層が極性基を含有しない粘着剤を含むことを特徴とする。粘着剤層に含まれる粘着剤としてはゴム系粘着剤が好ましく、ポリイソブチレンゴム及び／又はブチルゴムが好ましい。 【選択図】図１

Pressure-sensitive adhesive tape for electrochemical device

Provided is a PSA tape for an electrochemical device, which can be peeled off rapidly and will not damage adherend materials or the PSA tape itself, or will not leave adhesive residues, when an adhesion defectiveness occurs during the manufacturing and processing of an electrochemical device, especially an electrolytic capacitor or a battery. The PSA tape comprises a substrate and a PSA layer placed on at least one face of the substrate. In the PSA tape, an anchoring strength of the PSA layer to the substrate is 7.0 N/10 mm or more.

Adhesive tape

本發明提供一種黏著帶，其於常溫下可容易地貼合於電池構成構件上，且於非水系電池內部環境下可保持優異之接著性。本發明之黏著帶係於基材之至少一面上包含由丙烯酸系黏著劑構成之黏著劑層，該丙烯酸系黏著劑至少含有丙烯酸胺基甲酸酯聚合物，且含酸基之單體相對於構成丙烯酸系黏著劑的全部單體成分之比率為0.5重量%以上。上述丙烯酸系黏著劑之玻璃轉移溫度(Tg)較佳為25℃以下。

Adhesive optical film and method for producing same

Disclose is an adhesive optical film having excellent durability wherein deterioration of an image display region is suppressed even under severe conditions such as heating caused by lighting of a backlight. Also disclosed are a method for producing such an adhesive optical film and an image display using such an adhesive optical film. Specifically disclosed is an adhesive optical film wherein an adhesive layer (18) is arranged on one side or both sides of an optical film (16). This adhesive optical film is characterized in that the adhesive layer is made of an adhesive composition containing 100 parts by weight of a (meth)acrylic polymer which contains, as a monomer unit, at least 50% by weight of an alkyl (meth)acrylate ester having an alkyl group with 4 or more carbon atoms, and 0.02-2 parts by weight of a peroxide. The adhesive optical film is also characterized in that the adhesive layer has a thickness of not less than 20 μm.

承載帶連接用黏著帶、承載帶連接用薄膜及承載帶連接方法

將一形成為較承載帶的寬度還寬，背面整體形成有黏著面，且沿一側邊而以一定間距形成有貫通孔的黏著帶，以使貫通孔群與承載帶的饋孔群對齊的方式，黏貼於以接合狀態配置的承載帶之接合部位的表面，並將從承載帶的另一側邊露出的黏著帶摺入並黏貼於承載帶的背面側。

Adhesive for nonaqueous batteries and adhesive tape for nonaqueous batteries

Provided are a pressure-sensitive adhesive for a nonaqueous battery, which is excellent in adhesive property in a nonaqueous electrolytic solution, is reduced in stickiness, and can be prevented from protruding from an end surface of a pressure-sensitive adhesive tape when applied to the pressure-sensitive adhesive tape, and a pressure-sensitive adhesive tape including the pressure-sensitive adhesive. The pressure-sensitive adhesive for a nonaqueous battery of the present invention is a pressure-sensitive adhesive configured to express an adhesive property by being pressure-bonded, including: an acrylic polymer having an acid functional group; and a crystalline resin having a melting point of 25° C. or more. In one embodiment, the pressure-sensitive adhesive for a nonaqueous battery is configured to express the adhesive property by being warmed.

キャリアテープ接続用粘着テープ、キャリアテープ接続用フィルムおよびキャリアテープ接続方法

【課題】突き合わされたキャリアテープを的確に接続できるとともに、テープ接続箇所における部品取り出しを良好に行うことができるようにする。 【解決手段】キャリアテープ１の横幅より幅広に形成されるとともに、裏面全体が粘着面に形成され、かつ、一側辺に沿って一定ピッチで貫通孔７を形成した粘着テープ６を、突き合わせ配置したキャリアテープ１における突合せ部位の表面に、キャリアテープ１の送り孔５群に貫通孔７群が合致するよう貼り付け、キャリアテープ１の他方の側辺ｔからはみ出ている粘着テープ６をキャリアテープ１の裏面側に折り込んで貼り付ける。 【選択図】図２

Gas adsorption sheet for secondary batteries

Gas adsorption sheet for secondary batteries

２次電池用ガス吸着シート

【課題】ガス吸着性に優れるガス吸着粒子を含む２次電池用ガス吸着シートであって、該ガス吸着粒子のガス吸着性能が十分に発揮され得る２次電池用ガス吸着シートを提供すること。【解決手段】本発明の粘着テープは、基材と、該基材の少なくとも片面に配置された粘着剤層を備え、該粘着剤層が、本発明の２次電池用ガス吸着シートは、耐熱性基材と、耐熱性基材の少なくとも片面に配置されたガス吸着層とを備え、該ガス吸着層が、バインダー樹脂と、細孔を有する無機多孔質材料から構成され、ガスを吸着し得るガス吸着粒子とを含む。【選択図】図１

粘着テープ

【課題】電極部材の巻き止め（電池素子止め）に用いられ得る粘着テープであって、電解液内で所定の粘着力を維持し、かつ、電極部材の電池内部における動きを防止することができる粘着テープを提供すること。【解決手段】 本発明の粘着テープは、基材と、該基材の少なくとも一方の側に配置された粘着剤層および膨潤層とを備える。１つの実施形態においては、上記粘着テープは、上記粘着剤層と上記膨潤層とを積層させずに構成される。１つの実施形態においては、上記粘着テープを１．４モル濃度のＬｉＰＦ６を含むエチレンカーボネート／ジエチルカーボネート混合溶媒［エチルカーボネート／ジエチルカーボネート（体積比）＝１／２］に２３℃で２４時間浸漬した際の、上記膨潤層の厚み変化比（浸漬後の厚み／浸漬前の厚み）が、６以上である。【選択図】図１

粘着剤組成物およびテープ

【課題】粘着剤組成物およびテープを提供する。【解決手段】本発明によって提供されるテープは、リチウムイオン電池等の電気化学デバイス等の製造工程においてリチウムイオン電池等の電解液に接触しても鮮明な色を保つことができる無ハロゲンのテープである。前記テープは、本発明の粘着剤組成物を使用して形成される。この粘着剤組成物は、粘着剤成分と顔料とを含む。前記顔料は無機顔料である。前記粘着剤組成物中の塩素および臭素の含有量は、それぞれ９００ｐｐｍ未満であり、かつ塩素と臭素の含有量の合計は１５００ｐｐｍ未満である。【選択図】図１

粘着テープ

【課題】電極部材の巻き止め（電池素子止め）に用いられ得る粘着テープであって、電解液内で所定の粘着力を維持し、かつ、電極部材の電池内部における動きを防止することができる粘着テープを提供すること。【解決手段】発明の粘着テープは、基材と、該基材の少なくとも片側に配置された粘着剤層とを備える粘着テープであって、１．４モル濃度のＬｉＰＦ６を含むエチレンカーボネート／ジエチルカーボネート混合溶媒［エチルカーボネート／ジエチルカーボネート（体積比）＝１／２］に２３℃で２４時間浸漬した際に、当該粘着剤層の厚みの変化比（浸漬後の厚み／浸漬前の厚み）が、６以上であり、２３℃における該粘着剤層のナノインデンテーション法による弾性率が、１．６ＭＰａ以上である。【選択図】図１

モールド装置及びそれを用いた樹脂かす除去方法

(57)【要約】 【課題】 プランジャの側面に付着した樹脂かすを充分 に除去できるモールド装置及びそれを用いた樹脂かす除 去方法を提供する。 【解決手段】 モールド装置２２は、モールド成形する 金型１２と、金型内に樹脂を下方から射出するプランジ ャ１４と、プランジャ１４を駆動させるプランジャ駆動 機構と、金型１２の上面に沿って移動しつつ金型上面の 樹脂かすを吸引するクリーナ１８と、クリーナ１８がプ ランジャ上を通過する際、プランジャ上部を金型内に出 没させるようにプランジャ駆動機構を作動させる作動装 置とを備えている。これにより、樹脂モールド成形した 後、プランジャ上部の側面に付着した樹脂かす２８Ａを ほぼ完全に除去できる。

Adhesive for nonaqueous batteries and adhesive tape for nonaqueous batteries

Provided are a pressure-sensitive adhesive for a nonaqueous battery, which is excellent in adhesive property in a nonaqueous electrolytic solution, is reduced in stickiness, and can be prevented from protruding from an end surface of a pressure-sensitive adhesive tape when applied to the pressure-sensitive adhesive tape, and a pressure-sensitive adhesive tape including the pressure-sensitive adhesive. The pressure-sensitive adhesive for a nonaqueous battery of the present invention is a pressure-sensitive adhesive configured to express an adhesive property by being pressure-bonded, including: an acrylic polymer having an acid functional group; and a crystalline resin having a melting point of 25°C or more. In one embodiment, the pressure-sensitive adhesive for a nonaqueous battery is configured to express the adhesive property by being warmed.

Gas adsorption sheet for secondary batteries

Provided is a gas adsorption sheet for a secondary battery, which contains gas adsorbent particles excellent in gas adsorption property, and allows the gas adsorption performance of the gas adsorbent particles to be sufficiently exhibited. According to one embodiment of the present invention, there is provided a gas adsorption sheet for a secondary battery, including: a heat-resistant base material; and a gas adsorption layer arranged on at least one surface of the heat-resistant base material, wherein the gas adsorption layer contains: a binder resin; and gas adsorbent particles each of which is formed of an inorganic porous material having pores, and is capable of adsorbing a gas.

電気化学デバイス用粘着テープ

【課題】水分の含有量が極めて低く、「糊はみ出し」し難く、且つ、電解液に接触しても剥がれることがない電気化学デバイス用粘着テープを提供する。 【解決手段】本発明の電気化学デバイス用粘着テープは、プラスチック系基材の少なくとも一方の面にアクリル系粘着剤から成る粘着剤層を有する電気化学デバイス用粘着テープであって、ゲル分率が６０％以上、厚みが１〜１５μｍである粘着剤層を有し、２３℃において、水に２４時間浸漬した後の吸水率が０．２％以下であることを特徴とする。前記アクリル系粘着剤は、少なくとも、炭素数６〜１０のアルキル基を含有する（メタ）アクリル酸アルキルエステルとイソシアネート反応性基含有モノマーとを含むモノマー成分の共重合体であり、且つ、前記モノマー成分の８０重量％以上が前記炭素数６〜１０のアルキル基を含有する（メタ）アクリル酸アルキルエステルであるアクリル系ポリマーを含有することが好ましい。 【選択図】図１

無基材雙面黏著片材

本發明之目的在於提供一種切斷加工性提高，即便長期保管亦抑制黏著劑層之溢出，提高貼合作業性之無基材雙面黏著片材。 本發明提供一種無基材雙面黏著片材，其係黏著劑層2之雙面由剝離襯墊3、剝離襯墊4保護之無基材雙面黏著片材1，且於上述無基材雙面黏著片材之寬度方向之兩端具有不具備黏著劑層之乾邊部5，上述乾邊部各者之寬度方向之長度為黏著劑層之厚度之20倍以上。

Gas adsorption sheet for secondary batteries

Provided is a gas adsorption sheet for a secondary battery, which contains gas adsorbent particles excellent in gas adsorption property, and allows the gas adsorption performance of the gas adsorbent particles to be sufficiently exhibited. According to one embodiment of the present invention, there is provided a gas adsorption sheet for a secondary battery, including: a heat-resistant base material; and a gas adsorption layer arranged on at least one surface of the heat-resistant base material, wherein the gas adsorption layer contains: a binder resin; and gas adsorbent particles each of which is formed of an inorganic porous material having pores, and is capable of adsorbing a gas.