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    • 1. 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。