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    • 2. 发明授权
    • Composition having enhanced corrosion resistance and pH buffering property for antifreeze liquid or coolant
    • 对防冻液或冷却剂具有增强的耐腐蚀性和pH缓冲性能的组合物
    • US09193896B2
    • 2015-11-24
    • US14346716
    • 2012-01-31
    • Jae Yoon ParkChang Yeol JoDong Yeol Choi
    • Jae Yoon ParkChang Yeol JoDong Yeol Choi
    • C09K5/20C23F11/08
    • C09K5/20C23F11/08
    • A composition for the antifireeze liquid or the coolant includes a cyclo hexane dicarboxylic acid, an azole- or thiazole-based inhibitor, and a metal from an element of group 2, group 5, group 6, or group 7. The composition of the present invention has increased corrosion resistance at a lower density by not containing organic additives, and has a better pH buffering property due to enhanced thermal oxidation stability at a high temperature. Even after a long-term operation for over 200000 km, the composition of the present invention maintains a metal corrosion resistance capability, the appearance of a water pump impeller and the inside of a radiator tube including aluminum remains decent, and the composition has a superior corrosion resistance effect with respect to internal metal parts even after an operational test, thereby allowing use of the composition for the antifreeze liquid or the coolant having a long life.
    • 用于防冻液体或冷却剂的组合物包括环己烷二羧酸,唑类或噻唑类抑制剂和来自第2组,第5组,第6组或第7组的元素的金属。本发明的组合物 本发明通过不含有机添加剂而在较低密度下提高了耐腐蚀性,并且由于在高温下的热氧化稳定性的提高而具有更好的pH缓冲性能。 即使经过长达二十万公里的长时间运行,本发明的组合物仍具有耐金属腐蚀能力,水泵叶轮的外观以及包含铝的散热器管的内部保持不变,并且组合物具有优异的 即使在操作试验之后,对于内部金属部件也具有耐腐蚀性,从而可以使用寿命长的防冻液或冷却剂用组合物。
    • 4. 发明申请
    • COMPOSITION HAVING ENHANCED CORROSION RESISTANCE AND PH BUFFERING PROPERTY FOR ANTIFREEZE LIQUID OR COOLANT
    • 具有增强耐腐蚀性和防止液体或冷却液的PH缓冲性能的组合物
    • US20140223929A1
    • 2014-08-14
    • US14346716
    • 2012-01-31
    • Jae Yoon ParkChang Yeol JoDong Yeol Choi
    • Jae Yoon ParkChang Yeol JoDong Yeol Choi
    • C09K5/20
    • C09K5/20C23F11/08
    • A composition for the antifireeze liquid or the coolant includes a cyclo hexane dicarboxylic acid, an azole- or thiazole-based inhibitor, and a metal from an element of group 2, group 5, group 6, or group 7. The composition of the present invention has increased corrosion resistance at a lower density by not containing organic additives, and has a better pH buffering property due to enhanced thermal oxidation stability at a high temperature. Even after a long-term operation for over 200000 km, the composition of the present invention maintains a metal corrosion resistance capability, the appearance of a water pump impeller and the inside of a radiator tube including aluminum remains decent, and the composition has a superior corrosion resistance effect with respect to internal metal parts even after an operational test, thereby allowing use of the composition for the antifreeze liquid or the coolant having a long life.
    • 用于防冻液体或冷却剂的组合物包括环己烷二羧酸,唑类或噻唑类抑制剂和来自第2组,第5组,第6组或第7组的元素的金属。本发明的组合物 本发明通过不含有机添加剂而在较低密度下提高了耐腐蚀性,并且由于在高温下的热氧化稳定性的提高而具有更好的pH缓冲性能。 即使经过长达二十万公里的长时间运行,本发明的组合物仍具有耐金属腐蚀能力,水泵叶轮的外观以及包含铝的散热器管的内部保持不变,并且组合物具有优异的 即使在操作试验之后,对于内部金属部件也具有耐腐蚀性,从而可以使用寿命长的防冻液或冷却剂用组合物。