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    • 5. 发明申请
    • 潜在性硬化剤及びその製造方法、並びに潜在性硬化剤を用いた接着剤
    • 最佳硬化剂,其生产方法和含有最终硬化剂的粘合剂
    • WO2003068840A1
    • 2003-08-21
    • PCT/JP2003/001592
    • 2003-02-14
    • ソニーケミカル株式会社松島 隆行斉藤 雅男
    • 松島 隆行斉藤 雅男
    • C08G59/40
    • C09J163/00C08G59/18C08G59/188C08G59/682C08G59/70C08J3/241Y10T156/10Y10T428/2998
    • A latent hardener (30) which comprises a core (31) and a capsule (37) with which the surface of the core (31) is covered, the core (31) comprising secondary particles (32) and a hardener (35) held in the spaces (38) among the secondary particles (32). The hardener (35) is liquid at ordinary temperature. When the capsule (37) is broken, the hardener (35) is released into an adhesive and thereby mingles with other components of the adhesive. The hardener (35) comprises a metal alcoholate which is liquid at ordinary temperature or a metal chelate which is liquid at ordinary temperature. When the adhesive contains a silane coupling agent, the hardener (35) reacts with the silane coupling agent to generate cations. These cations enable the epoxy resin to undergo cationic polymerization. Since the reaction which generates cations proceeds at a lower temperature than in conventional adhesives, this adhesive rapidly cures at a lower temperature than the conventional adhesives.
    • 一种潜在的硬化剂(30),其包括芯(31)和芯(31)的表面被覆盖的芯(37),所述芯(31)包括二次颗粒(32)和固化剂(35) 在二次粒子(32)中的空间(38)中。 固化剂(35)在常温下为液体。 当胶囊(37)破裂时,固化剂(35)被释放到粘合剂中,从而与粘合剂的其它组分混合。 固化剂(35)包括在常温下为液体的金属醇化物或在常温下为液体的金属螯合物。 当粘合剂含有硅烷偶联剂时,固化剂(35)与硅烷偶联剂反应产生阳离子。 这些阳离子使得环氧树脂能够进行阳离子聚合。 由于产生阳离子的反应在比常规粘合剂低的温度下进行,所以该粘合剂在比常规粘合剂更低的温度下快速固化。