公开(公告)号：US20180316045A1

公开(公告)日：2018-11-01

申请号：US15772174

申请日：2016-11-11

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE ,  Daisuke SHIMOKAWA

IPC: H01M10/058 ,  H01M10/04

CPC classification number: H01M10/058 ,  C09J7/20 ,  C09J201/00 ,  H01M2/16 ,  H01M10/04

Abstract: 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.

公开(公告)号：US20180066162A1

公开(公告)日：2018-03-08

申请号：US15673794

申请日：2017-08-10

Applicant: NITTO DENKO CORPORATION

Inventor： Daisuke SHIMOKAWA ,  Shigeki KAWABE

IPC: C09J7/02 ,  C09J133/08 ,  H01M2/02 ,  H01M2/08

CPC classification number: H01M2/0287 ,  C09J7/38 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/622 ,  C09J2203/33 ,  C09J2423/106 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2479/086 ,  C09J2481/006 ,  H01M2/0267 ,  H01M2/08

Abstract: 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 8×103 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 3×105 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.

公开(公告)号：US20220145140A1

公开(公告)日：2022-05-12

申请号：US17598710

申请日：2020-04-22

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE

IPC: C09J7/38 ,  C09J7/24 ,  C08F220/06

Abstract: 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.

公开(公告)号：US20150037639A1

公开(公告)日：2015-02-05

申请号：US14449405

申请日：2014-08-01

Applicant: NITTO DENKO CORPORATION

Inventor： Yuichi TAKAMURA ,  Shigeki KAWABE ,  Tadashi TERASHIMA

IPC: H01M2/08 ,  C09J7/02 ,  H01M10/0587

CPC classification number: H01M2/08 ,  C09J7/22 ,  C09J7/38 ,  C09J7/383 ,  C09J2201/622 ,  C09J2203/33 ,  C09J2421/00 ,  C09J2423/00 ,  C09J2423/106 ,  H01M10/0525 ,  H01M10/0587 ,  Y10T428/28 ,  Y10T428/2878

Abstract: 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.

Abstract translation: 公开了即使浸入电解液中也不会使电解液劣化的粘合带或片材，即使在卷绕后也能平滑地退绕。 压敏粘合带或片材包括基材，并且在其一个表面上具有压敏粘合剂层。 衬底在面对压敏粘合剂层的表面上具有30至35mN / m的润湿张力，其中通过根据JIS K 6768：1999的方法测量润湿张力。 压敏粘合剂层包括基本上不含极性基团的压敏粘合剂。 粘合剂层中的压敏粘合剂优选为聚异丁烯橡胶和/或异丁烯 - 异戊二烯橡胶等橡胶压敏粘合剂。

公开(公告)号：US20130157086A1

公开(公告)日：2013-06-20

申请号：US13722161

申请日：2012-12-20

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE ,  Hiroomi HANAI ,  Shunsuke NOUMI ,  Hiroyoshi TAKE

IPC: H01M2/08

CPC classification number: H01M2/08 ,  C09J7/381 ,  C09J151/04 ,  C09J2203/33 ,  C09J2451/00 ,  H01M2/0277 ,  H01M2/0287 ,  Y10T156/10 ,  Y10T428/263

Abstract: 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.

Abstract translation: 本发明涉及一种含有基材的电池用压敏粘合带和设置在基材的至少一个表面上的压敏粘合剂层，其中压敏粘合剂层的厚度为2μm至100 妈妈，其中压敏粘合带在25℃下压接后具有朝向铝箔的180°剥离粘合力，其后为0.05N / 10mm以上，并且向铝箔施加180°的剥离粘合力 温度为30℃以上且低于200℃的热压接合为0.5N / 10mm以上。

公开(公告)号：US20220213359A1

公开(公告)日：2022-07-07

申请号：US17601212

申请日：2020-04-22

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE

IPC: C09J133/08 ,  C09J7/38 ,  C09J123/26 ,  H01M10/058 ,  H01M10/0525 ,  H01M50/586

Abstract: 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.

公开(公告)号：US20210257684A1

公开(公告)日：2021-08-19

申请号：US17256730

申请日：2019-06-17

Applicant: NITTO DENKO CORPORATION

Inventor： Kota NAKAO ,  Daisuke SHIMOKAWA ,  Shigeki KAWABE ,  Mitsuru NOZUE ,  Minoru YAGI

IPC: H01M10/52 ,  H01M10/0525 ,  B01D53/02

Abstract: 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.

公开(公告)号：US20170244087A1

公开(公告)日：2017-08-24

申请号：US15433386

申请日：2017-02-15

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE

IPC: H01M2/16

CPC classification number: H01M2/168 ,  B32B5/022 ,  B32B5/024 ,  B32B5/26 ,  B32B7/12 ,  B32B27/08 ,  B32B27/10 ,  B32B27/12 ,  B32B27/20 ,  B32B27/281 ,  B32B27/286 ,  B32B27/32 ,  B32B27/34 ,  B32B29/005 ,  B32B29/02 ,  B32B2255/02 ,  B32B2255/10 ,  B32B2255/12 ,  B32B2255/20 ,  B32B2255/26 ,  B32B2255/28 ,  B32B2264/102 ,  B32B2264/104 ,  B32B2307/206 ,  B32B2307/714 ,  B32B2307/732 ,  B32B2307/748 ,  B32B2405/00 ,  B32B2457/04 ,  B32B2457/10 ,  C08K3/10 ,  C08K9/04 ,  C08K2003/222 ,  C08K2003/2224 ,  C08K2003/2227 ,  C08K2003/2241 ,  C08K2003/267 ,  C08K2003/385 ,  C09J7/20 ,  C09J7/29 ,  C09J2201/606 ,  C09J2203/33 ,  C09J2205/102 ,  C09J2205/106 ,  C09J2409/00 ,  C09J2423/00 ,  C09J2433/00 ,  C09J2453/00 ,  C09J2479/086 ,  H01M2/0282 ,  H01M2/145 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  H01M2300/0037

Abstract: 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.

公开(公告)号：US20160260937A1

公开(公告)日：2016-09-08

申请号：US15042618

申请日：2016-02-12

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki KAWABE ,  Daisuke SHIMOKAWA

IPC: H01M2/02 ,  H01M2/30 ,  B32B37/18 ,  B32B7/12 ,  B32B37/00 ,  B32B37/12 ,  H01M2/06 ,  H01M2/08

CPC classification number: H01M2/021 ,  B32B7/12 ,  B32B37/0076 ,  B32B37/12 ,  B32B37/18 ,  B32B2250/02 ,  B32B2255/26 ,  B32B2457/10 ,  H01M2/024 ,  H01M2/0262 ,  H01M2/0267 ,  H01M2/0275 ,  H01M2/0277 ,  H01M2/0287 ,  H01M2/06 ,  H01M2/08 ,  H01M2/1094 ,  H01M2/30

Abstract: 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.

Abstract translation: 提供的覆盖材料的非水性二次电池包括非水性二次电池，其包括具有一个表面的电池主体，以与所述一个表面间隔开的相对关系设置的另一个表面，以及连接周向端边缘 所述一个表面的另一个表面的周向端边缘和设置在所述一个表面和另一个表面中的至少任一个表面上的端子以及覆盖所述电池主体以使所述端子露出的覆盖材料。 覆盖材料包括基板和设置在基板的一个表面上的压敏粘合剂层，并且通过使压敏粘合剂层对至少一个的至少任何一个的周向端边缘的至少一部分 电池主体的一个表面和另一个表面，覆盖材料覆盖电池主体的一个表面和另一个表面中的至少任一个的周向端边缘的至少一部分。

公开(公告)号：US20140295182A1

公开(公告)日：2014-10-02

申请号：US14227509

申请日：2014-03-27

Applicant: NITTO DENKO CORPORATION

Inventor： Qinli DONG ,  Weizhong PENG ,  Shigeki KAWABE ,  Tadashi TERASHIMA

IPC: C09J7/02

CPC classification number: C09J7/385 ,  C09J7/38 ,  C09J2203/33 ,  Y10T428/28 ,  Y10T428/2891

Abstract: 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.

Abstract translation: 提供一种用于电化学装置的PSA带，当在电化学装置的制造和加工期间发生粘合缺陷时，其可快速剥离并且不会损坏被粘物材料或PSA带本身，或不会留下粘合剂残留物， 特别是电解电容器或电池。 PSA胶带包括基材和位于基材的至少一个表面上的PSA层。 在PSA带中，粘合剂层对基材的粘合强度为7.0N / 10mm以上。