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    • 5. 发明公开
    • 전해 컨덴서의 밀봉체와 그 밀봉체를 이용한 전해 컨덴서
    • 用于电解电容器和电解电容器的密封材料使用密封材料
    • KR1020100017322A
    • 2010-02-16
    • KR1020097024471
    • 2008-03-31
    • 닛뽄 케미콘 가부시끼가이샤요코하마 고무 가부시키가이샤
    • 후지따,히로아끼기무라,가즈히꼬이에무라,마사또시오자와,마사시아시우라,마꼬또가와즈라,데쯔지
    • H01G9/10C08K3/00C08L51/04
    • C08F255/10C08F8/02C08F8/30C08F8/42C08F2810/10C08F2810/20C08F2810/30H01G9/10C08F210/12
    • A sealing material for electrolytic capacitors which has no fear of causing reversion due to crosslinking with an organic peroxide and can satisfy requirements including long-term heat resistance; and an electrolytic capacitor employing the sealing material. The sealing material is made of a modified butyl rubber composition obtained by reacting and modifying butyl rubber with a compound (a) which is stable at ordinary temperature even in the presence of oxygen and has a nitroxide free radical in the molecule, a radical initiator (b), and a radical-polymerizable monomer (c) having a functionality of 2 or higher and crosslinking the resultant modified butyl rubber composition with an organic peroxide. Alternatively, the sealing material is made of a modified butyl rubber composition obtained by reacting butyl rubber with a compound (a) which is stable at ordinary temperature even in the presence of oxygen and has a nitroxide free radical in the molecule and a radical initiator (b), incorporating a radical-polymerizable monomer (c) having a functionality of 2 or higher into the resultant modified butyl rubber composition, and crosslinking the mixture with an organic peroxide.
    • 一种电解电容器的密封材料,其不会由于与有机过氧化物的交联而引起回复,并且可以满足包括长期耐热性的要求; 以及采用该密封材料的电解电容器。 密封材料由通过使丁基橡胶与常规温度即使在氧气存在下稳定且在分子中具有氮氧自由基的化合物(a)而得到的改性丁基橡胶组合物,自由基引发剂( b)和官能度为2以上的自由基聚合性单体(c),并使所得改性丁基橡胶组合物与有机过氧化物交联。 或者,密封材料由丁基橡胶与常压下即使在氧气存在下稳定且在分子中具有氮氧自由基的自由基引发剂(a)反应得到的改性丁基橡胶组合物 b),将具有2或更高官能度的可自由基聚合的单体(c)加入到所得改性丁基橡胶组合物中,并用有机过氧化物交联该混合物。
    • 7. 发明公开
    • 고체 전해 콘덴서 및 그의 제조 방법
    • 固体电解电容器及其制造方法
    • KR1020010013411A
    • 2001-02-26
    • KR1019997011412
    • 1998-06-05
    • 닛뽄 케미콘 가부시끼가이샤
    • 시마다,아끼히로노가미,가쯔노리무라까미,도시유끼가네꼬,아쯔꼬
    • H01G9/02
    • Y02E60/13H01G9/025H01G9/028H01G11/48H01G11/52H01G11/56
    • A capacitor element (10) fabricated by winding an anode foil (1) and a cathode foil (2) via a separator (3) is impregnated with a 3,4- ethylenedioxythiophene and an oxidizing agent to form poly(ethylenedioxythiophene) by polymerization. A nonwoven fabric composed chiefly of a synthetic fiber is used as a separator, enabling a solid electrolyte to be favorably formed without being reacted with the oxidizing agent. Preferably, the capacitor element is dipped in water at 80 to 100 °C for 1 to 10 minutes to dissolve and remove the binder in the separator in order to preclude adverse effects on the electric characteristics caused by the binder. The oxidizing agent is used at a concentration in excess of 40 % by weight with respect to the solvent, so that the degree of polymerization is high and a dense and homogeneous solid electrolytic layer is formed. To form the electrolytic layer, the capacitor element is impregnated with a monomer solution prepared by mixing 3,4-ethylenedioxythiophene and a volatile solvent at a volume ratio of 1:1 to 1:3. Then, the capacitor element is heat-treated and impregnated with a solution of oxidizing agent to form a dense and homogenous solid electrolytic layer.
    • 通过经由隔板(3)卷绕阳极箔(1)和阴极箔(2)制成的电容器元件(10)用3,4-亚乙二氧基噻吩和氧化剂浸渍,通过聚合形成聚(亚乙二氧基噻吩)。 使用主要由合成纤维构成的无纺布作为隔膜,能够在不与氧化剂反应的情况下有利地形成固体电解质。 优选地,电容器元件在80至100℃的水中浸渍1至10分钟以溶解并除去隔板中的粘合剂,以防止由粘合剂引起的电特性的不利影响。 相对于溶剂,氧化剂的使用浓度超过40重量%,聚合度高,形成致密均匀的固体电解质层。 为了形成电解质层,电容器元件浸渍有通过以1:1至1:3的体积比混合3,4-亚乙基二氧噻吩和挥发性溶剂制备的单体溶液。 然后,将电容器元件进行热处理,并用氧化剂溶液浸渍以形成致密均匀的固体电解质层。