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    • 1. 发明公开
    • 수계 도포형 제진재료
    • 水基涂层式振动阻尼材料
    • KR1020070003668A
    • 2007-01-05
    • KR1020060060519
    • 2006-06-30
    • 아이신카코 가부시키가이샤도요타지도샤가부시키가이샤
    • 누마자와마사유키쓰즈키겐오하시유타카
    • C09D109/06C09D133/08C09D5/00
    • C09D5/024
    • Provided is an aqueous coating-type vibration damping material which is excellent in stiffness and vibration damping property and is free from the generation of blister on a electrodeposited coating even if dipped in warm water. The aqueous coating-type vibration damping material comprises a resin emulsion; and an inorganic filler, and does not contain a divalent alcohol (glycol) or contains 2.0 wt% or less of a divalent alcohol (glycol). Preferably the resin emulsion comprises a first resin emulsion having a peak temperature of (Tg) a loss tangent (tandelta) of 0-20 deg.C; and a second resin emulsion having a peak temperature of (Tg) a loss tangent (tandelta) of 25-50 deg.C. Preferably the inorganic filler is at least one selected from the group consisting of calcium carbonate, talc, diatomite, barium sulfate, zeolite, magnesium carbonate and mica.
    • 本发明提供一种水硬性减振材料,其刚度和振动阻尼性优异,即使浸入温水中也不会在电沉积涂层上产生起泡。 水性涂​​层型减振材料包括树脂乳液; 和无机填料,不含有二元醇(二醇)或2.0重量%以下的二元醇(二醇)。 优选地,树脂乳液包含峰值温度为(Tg)为0-20℃的损耗角正切(tandelta)的第一树脂乳液; 和峰值温度(Tg)为损耗角正切(tandelta)为25-50℃的第二树脂乳液。 优选地,无机填料是选自碳酸钙,滑石,硅藻土,硫酸钡,沸石,碳酸镁和云母中的至少一种。