公开(公告)号：JP2014086473A

公开(公告)日：2014-05-12

申请号：JP2012232454

申请日：2012-10-22

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide an electrolytic capacitor of which the ESR is low and the high-temperature humidity resistance is improved.SOLUTION: When manufacturing an electrolytic capacitor using a conductive polymer as a solid electrolyte, operation for immersing a capacitor element in a solution and drying the capacitor element is performed at least once. In the solution, sulfonic acid alkyl amine salt is dissolved in the concentration of 5 mass% or more at 20°C and an organic solvent is dissolved in the concentration of 20 mass% or more. The sulfonic acid alkyl amine salt is composed of at least one kind of sulfonic acid selected from a group of benzene sulfonic acid or the derivative thereof and naphthalene sulfonic acid or the derivative thereof, and alkyl amine having an alkyl group of which the carbon number is 5 to 12, and solubility of the sulfonic acid alkyl amine salt with respect to water at 5°C is 10 mass% or less. Afterwards, operation for immersing the capacitor element in a conductive polymer dispersed liquid and drying the capacitor element is performed at least once. Thus, the electrolytic capacitor is manufactured.

Abstract translation: 要解决的问题：提供ESR低的电解电容器和提高耐高温性的电解电容器。解决方案：当制造使用导电聚合物作为固体电解质的电解电容器时，将电容器元件浸入 溶液和干燥电容器元件至少进行一次。 在该溶液中，磺酸烷基胺盐在20℃下以5质量％以上的浓度溶解，有机溶剂以20质量％以上的浓度溶解。 磺酸烷基胺盐由选自苯磺酸或其衍生物和萘磺酸或其衍生物中的至少一种磺酸和具有碳数为烷基的烷基的烷基组成 5〜12，磺酸烷基胺盐相对于5℃下的水的溶解度为10质量％以下。 然后，将电容器元件浸渍在导电性聚合物分散液中并干燥电容器元件的操作至少进行一次。 因此，制造了电解电容器。

公开(公告)号：JP2011060980A

公开(公告)日：2011-03-24

申请号：JP2009208760

申请日：2009-09-10

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  IKEMATSU DAISAKU ,  HIROTA KEI

IPC: H01G9/04 ,  H01G9/028

CPC classification number: H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor which can materialize a reduction of ESR (equivalent series resistance) even when a solid electrolyte layer is formed by using dispersions of a conductive polymer which has previously been prepared.
SOLUTION: The solid electrolytic capacitor has a positive electrode composed of a porous body of valve metals such as tantalum, niobium, aluminum, and the like, a dielectric layer composed of an oxide film of the valve metal, the solid electrolyte layer composed of the conductive polymer, a collector layer, and a negative electrode, wherein the collector layer is disposed between the solid electrolyte layer and the negative electrode. In the solid electrolytic capacitor, the collector layer is composed of conductive materials including the conductive polymer and conductive carbon materials.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：即使当通过使用预先制备的导电聚合物的分散体形成固体电解质层时，提供可以实现ESR降低（等效串联电阻）的固体电解电容器。 固体电解电容器具有由诸如钽，铌，铝等的阀金属的多孔体构成的正极，由阀金属的氧化物膜构成的电介质层，固体电解质层 由导电性聚合物，集电体层和负极构成，其中集电体层设置在固体电解质层和负极之间。 在固体电解电容器中，集电体层由导电性聚合物和导电性碳材料构成。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2007055875A

公开(公告)日：2007-03-08

申请号：JP2005246486

申请日：2005-08-26

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： HIROTA KEI

IPC: C01G23/04

Abstract: PROBLEM TO BE SOLVED: To provide a method for increasing the filtration speed of aqueous titanium oxide slurry, and to provide a titanium oxide powder which precipitates without becoming cloudy when it is resuspended in water.
SOLUTION: The method for increasing the filtration speed of aqueous titanium oxide slurry comprises adding at least 0.03 wt.%, in terms of calcium relative to titanium oxide, of a calcium ion source to the aqueous titanium oxide slurry.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种提高二氧化钛水溶液浆料的过滤速度的方法，并提供当其重新悬浮在水中时不沉淀而形成的氧化钛粉末。 解决方案：用于提高二氧化钛水溶液浆料的过滤速度的方法包括以相对于氧化钛的钙计，至少0.03重量％的钙离子源添加到二氧化钛水溶液浆料中。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2014090107A

公开(公告)日：2014-05-15

申请号：JP2012239911

申请日：2012-10-31

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide an electrolytic capacitor low in ESR, large in electrostatic capacity and high withstand voltage.SOLUTION: An electrolytic capacitor is manufactured by: performing pretreatment by carrying out at least one operation where a capacitor element is impregnated with an organic solvent solution to be dried, the organic solvent solution containing a cyclic organic compound having at least one hydroxyl group and a solvent having a high boiling point of 150°C or above which are dissolved therein; forming a layer of conductive polymer on the capacitor element by carrying out at least one operation where the capacitor element after having been subjected to the pretreatment is impregnated with a fluid dispersion to be dried, the fluid dispersion being obtained by the oxidation polymerization of thiophene or a derivative thereof using polymer anions as a dopant; and performing post treatment by carrying out at least one operation where the capacitor element after the conductive polymer layer has been formed thereon is impregnated with an organic solvent solution to be dried, the organic solvent solution containing the cyclic organic compound dissolved therein, or by carrying out at least one operation where the capacitor element is impregnated with a solution obtained by dissolving the cyclic organic compound into the solvent having a high-boiling point.

Abstract translation: 要解决的问题：提供ESR低，静电容量大，耐电压高的电解电容器。解决方案：电解电容器通过以下方式制造：通过进行至少一次电容器元件浸渍有机物的操作进行预处理 待干燥的溶剂溶液，含有溶解有至少一个羟基的环状有机化合物和高沸点为150℃以上的溶剂的有机溶剂溶液; 在电容器元件上形成导电聚合物层，通过进行至少一次操作，其中在经过预处理之后的电容器元件浸渍有待干燥的流体分散体，该流体分散体通过噻吩的氧化聚合或 使用聚合物阴离子作为掺杂剂的衍生物; 通过进行在其上形成导电性聚合物层之后的电容器元件的至少一个操作来进行后处理，浸渍有待干燥的有机溶剂溶液，溶解有环状有机化合物的有机溶剂溶液或通过携带 将通过将环状有机化合物溶解在高沸点溶剂中而获得的溶液中浸渍电容器元件的至少一个操作。

公开(公告)号：JP2011057814A

公开(公告)日：2011-03-24

申请号：JP2009207897

申请日：2009-09-09

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  IKEMATSU DAISAKU ,  HIROTA KEI

IPC: C08G61/12 ,  C08J3/02 ,  C08L65/00 ,  C08L101/00 ,  C09K3/16 ,  H01B1/12 ,  H01B1/20 ,  H01B5/14 ,  H01B13/00 ,  H01G9/00 ,  H01G9/028

CPC classification number: H01G11/48 ,  H01G11/56 ,  Y02E60/13

Abstract: PROBLEM TO BE SOLVED: To easily produce an organic solvent system conductive polymer dispersion by easily performing conversion from an aqueous dispersion to an organic solvent system dispersion of a conductive polymer. SOLUTION: The organic solvent system conductive polymer dispersion having ≤10 mass% water content is produced via a step (1) for synthesizing a conductive polymer by oxidatively polymerizing a thiophene or its derivative in water or aqueous liquid made of a mixture of water and a solvent which can be mixed with water in the presence of a polymer sulfonic acid to be a dopant to obtain an aqueous dispersion of the conductive polymer, a step (2) for supplying a non-aqueous amine to the aqueous dispersion of the conductive polymer to flocculate the conductive polymer, a step (3) for taking out flocculated product of the conductive polymer from water or the aqueous liquid and a step (4) for dispersing the flocculated product of the conductive polymer in an organic solvent. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：通过容易地从水分散体转化为导电聚合物的有机溶剂体系分散体，容易地制备有机溶剂体系导电聚合物分散体。 解决方案：通过用于合成导电聚合物的步骤（1）制备有机溶剂体系的导电聚合物分散体，该步骤通过将噻吩或其衍生物在水或含水液体中的混合物 水和溶剂，其可以在聚合物磺酸存在下与水混合以作为掺杂剂，以获得导电聚合物的水分散体;步骤（2），用于向非水性分散体供给非水性胺 导电聚合物以絮凝导电聚合物，用于从水或水性液体中取出导电聚合物的絮凝产物的步骤（3）和用于将导电聚合物的絮凝产物分散在有机溶剂中的步骤（4）。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2013177588A

公开(公告)日：2013-09-09

申请号：JP2013025064

申请日：2013-02-13

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI ,  FUJIWARA KAZUTO

IPC: C08L25/18 ,  C08F212/14 ,  C08G61/12 ,  C08L65/00 ,  H01G9/028

CPC classification number: H01G9/028 ,  C08F12/30 ,  C08G8/18 ,  C08G2261/3223 ,  C08G2261/51 ,  C08G2261/794 ,  C08L25/18 ,  C08L61/14 ,  C08L65/00 ,  C08L2201/10 ,  C08L2201/54 ,  C08L2203/20 ,  C09D5/24 ,  C09D125/02 ,  C09D165/00 ,  H01B1/127 ,  H01G9/0036 ,  H01G9/07 ,  H01G9/15 ,  H01G11/48 ,  Y02E60/13 ,  C08L33/14 ,  C08L33/04 ,  C08F212/14 ,  C08F2220/281 ,  C08F2220/325 ,  C08F2230/085

Abstract: PROBLEM TO BE SOLVED: To provide an electrically conductive polymer having high electrical conductivity and excellent heat resistance; and a solid electrolytic capacitor having low ESR and high reliability under high-temperature conditions and rarely undergoing current leakage by using the electrically conductive polymer; and an electrically conductive film having high electrical conductivity and excellent heat resistance, both of which are produced using the electrically conductive polymer.SOLUTION: A dispersion of an electrically conductive polymer is produced by oxidative polymerization of a thiophene or a derivative thereof in water or in an aqueous solution including a mixture of water and a water-miscible solvent in the presence of a copolymer of styrenesulfonic acid and at least one non-sulfonic-acid-type monomer selected from the group consisting of a methacrylic acid ester, an acrylic acid ester, an alkoxysilane compound containing an unsaturated hydrocarbon and hydrolysates thereof. A solid electrolytic capacitor is manufactured using the electrically conductive polymer as a solid electrolyte. An electrically conductive film is manufactured using the electrically conductive polymer.

Abstract translation: 要解决的问题：提供具有高导电性和优异耐热性的导电聚合物; 以及在高温条件下具有低ESR和高可靠性的固体电解电容器，并且通过使用导电聚合物很少发生电流泄漏; 以及具有高导电性和优异的耐热性的导电膜，两者都使用导电聚合物制造。溶液：导电聚合物的分散体是通过噻吩或其衍生物在水中或在 在苯乙烯磺酸和至少一种选自甲基丙烯酸酯，丙烯酸酯的至少一种非磺酸型单体的共聚物存在下，包括水和水混溶性溶剂的混合物的水溶液 ，含有不饱和烃的烷氧基硅烷化合物及其水解物。 使用导电性聚合物作为固体电解质制造固体电解电容器。 使用导电聚合物制造导电膜。

公开(公告)号：JP2010132873A

公开(公告)日：2010-06-17

申请号：JP2009237816

申请日：2009-10-15

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: C08G61/12 ,  B32B27/00 ,  B32B27/18 ,  B32B27/30 ,  H01B1/12 ,  H01B5/14 ,  H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a dispersion liquid of an electroconductive polymer from which an electroconductive polymer having high conductivity and excellent heat resistance is obtained, to provide an antistatic film having high conductivity and excellent heat resistance using the electroconductive polymer as a conductor, and also to provide a solid electrolytic capacitor having low ESR (Equivalent Series Resistance) and high reliability under high temperature conditions using the electroconductive polymer as a solid electrolyte.
SOLUTION: The dispersion liquid of the electroconductive polymer is produced by performing electrolytic oxidative polymerization of a monomer in water or in aqueous liquor comprising a liquid mixture of water and a water-miscible solvent, in the presence of a polymer dopant while isolating an anode from a cathode using a separator. The electroconductive polymer is obtained by drying the resulting dispersion liquid of an electroconductive polymer. The antistatic film and the solid electrolytic capacitor are constituted by using the electroconductive polymer.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决问题的方案：提供一种导电性聚合物的分散液的制造方法，从该导电性聚合物的分散液中获得导电性高，耐热性优异的导电性聚合物，使用该导电性聚合物的高导电性和优异的耐热性提供抗静电膜 导电聚合物作为导体，并且还提供具有低ESR（等效串联电阻）和在高温条件下使用导电聚合物作为固体电解质的高可靠性的固体电解电容器。 解决方案：导电聚合物的分散液是通过在聚合物掺杂剂的存在下，在水中或包含水和水混溶性溶剂的液体混合物的水溶液中进行电解氧化聚合而制备的，同时隔离 使用分离器的阴极的阳极。 通过干燥所得到的导电聚合物分散液获得导电聚合物。 抗静电膜和固体电解电容器通过使用导电聚合物构成。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2015002274A

公开(公告)日：2015-01-05

申请号：JP2013126227

申请日：2013-06-17

Applicant: テイカ株式会社 ,  Tayca Corp

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: H01G9/035 ,  H01G9/00 ,  H01G9/028

Abstract: 【課題】 ESRが低く、かつ耐熱性が優れていて高温条件下での信頼性が高い電解コンデンサを提供する。【解決手段】電解コンデンサを、導電性高分子と、通常の電解液より導電率が低い下記構成の導電性補助液とを含んで構成する。前記導電性補助液は、沸点が150℃以上の高沸点有機溶剤と、ニトロ基とカルボキシル基またはカルボキシエステル部とを有し且つヒドロキシル基を有しない芳香族系化合物とを含んで構成されている。前記導電性補助液には、さらに、ヒドロキシル基を有し且つニトロ基を有しない芳香族系化合物を含ませるのが好ましい。【選択図】なし

Abstract translation: 要解决的问题：提供一种低ESR的电解电容器，并具有优异的耐热性，从而在高温条件下具有高可靠性。解决方案：电解电容器包括导电聚合物和导电性辅助液体，导电性比通常低 电解质和以下构成。 导电性辅助液体包括沸点为150℃以上的高沸点有机溶剂和具有硝基，羧基或羧基酯基而不具有羟基的芳香族化合物。 优选地，导电辅助液体还包括具有羟基并且不具有硝基的芳族化合物。

公开(公告)号：JP2014082392A

公开(公告)日：2014-05-08

申请号：JP2012230412

申请日：2012-10-18

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide an electrolytic capacitor low in ESR and superior in heat resistance and voltage endurance.SOLUTION: A method for manufacturing an electrolytic capacitor which uses a conductive polymer as a solid electrolyte comprises the steps of: impregnating, with a fluid dispersion of a conductive polymer, a capacitor element having a porous body of at least one valve metal selected from a group consisting of aluminum, tantalum and niobium, and a dielectric layer including a coating of oxide of the valve metal; then performing a drying operation at least once; then impregnating the capacitor element with a high-boiling point organic solvent having a boiling point of 150°C or higher, or a liquid solution including a high-boiling point organic solvent having a boiling point of 150°C or higher in the proportion of 20-100 mass% (exclusive of 100 mass%); and then performing the drying operation at least once.

Abstract translation: 要解决的问题：提供ESR低，耐热性和耐电压性优异的电解电容器。解决方案：使用导电聚合物作为固体电解质的电解电容器的制造方法包括以下步骤：用流体 导电聚合物的分散体，具有选自铝，钽和铌的至少一种阀金属的多孔体的电容器元件和包括阀金属的氧化物涂层的电介质层; 然后至少进行一次干燥操作; 然后用沸点为150℃以上的高沸点有机溶剂或包含沸点为150℃以上的高沸点有机溶剂的液体溶液浸渍电容器元件，比例为 20-100质量％（不含100质量％）; 然后进行至少一次干燥处理。

公开(公告)号：JP2012124239A

公开(公告)日：2012-06-28

申请号：JP2010272164

申请日：2010-12-07

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： SUGIHARA RYOSUKE ,  HIROTA KEI

IPC: H01G9/028

Abstract: PROBLEM TO BE SOLVED: To provide a solid electrolytic capacitor which, when forming a conductive polymer layer to compose a solid electrolyte in a capacitor element having an edge part, can restrain the thickness in the edge part of the conductive polymer layer from becoming thinner than the other part, thereby preventing occurrence of leakage current.SOLUTION: In a fluid dispersion containing a conductive polymer obtained by oxidative polymerization in water or aqueous liquid of ethylene dioxythiophene or its alkyl derivative in the presence of high molecular sulfonic acid which constitutes a dopant is immersed a capacitor element or a capacitor element which has had a conductive polymer layer formed therein beforehand. After being pulled out of place, the capacitor element is immersed in an alcohol based solvent containing, as base solvent, at least one kind selected from n-, iso, sec- or tert-butyl alcohol and n-propyl alcohol and, after being pulled out of place, is subjected to a drying process at least once, whereby a solid electrolytic capacitor is manufactured.

Abstract translation: 要解决的问题：提供一种固体电解电容器，其在形成具有边缘部分的电容器元件中形成导电聚合物层以构成固体电解质时可以抑制导电聚合物层的边缘部分中的厚度 变得比其他部分薄，从而防止漏电流的发生。 解决方案：在构成掺杂剂的高分子量磺酸的存在下，在水或乙烯二氧噻吩或其烷基衍生物的水性液体中通过氧化聚合获得的导电聚合物的流体分散体浸没电容器元件或电容器元件 其中预先形成有导电聚合物层。 将电容器元件拔出后，将其浸渍在含有选自正，异，仲或叔丁醇和正丙醇中的至少一种作为基础溶剂的醇系溶剂中， 拉出位置，至少进行一次干燥处理，由此制造固体电解电容器。 版权所有（C）2012，JPO＆INPIT