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    • 10. 发明专利
    • Separator for capacitor
    • JP3540366B2
    • 2004-07-07
    • JP13867494
    • 1994-06-21
    • ニチコン株式会社日東電工株式会社
    • 公三郎 大久保知之 村上卓司 桶結和海 藤沢
    • H01G9/02
    • PURPOSE:To provide a separator which has a heat-resistant property and an affinity with an electrolytic solution by a method wherein a polymer film which has been impregnated with a fluorine-based surface-active agent by making use of pores in a fluorine-based polymer porous film is manufactured as a fluorine-based porous polymer film and a multilayer body in which a paper base material or a sheet of manufactured paper has been laminated is used for the polymer film. CONSTITUTION:A separator 7 for a capacitor is composed of a multilayer body obtained by using a paper base material or a sheet of manufactured paper and a special polymer film. The special polymer film is a polymer film A which has been impregnated with a fluorine-based surface-active agent by making use of pores in a fluorine-based polymer porous film. Then, the separator is manufactured in such a way that an adhesive layer is formed on the surface of the paper base material and that the polymer film A is bonded to, and formed in multilayer, the face of the adhesive layer so as to be integrated. The separator 7 for the capacitor is sandwiched between, and held by, both electrode foils as an anode foil 1 and a cathode foil 2. Then, this assembly is wound to be a tubular shape, lead wires 3 are connected respectively to the anode foil 1 and the cathode foil 2, and a capacitor element 4 is manufactured.