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    • 6. 发明申请
    • COOLANT COMPOSITION AND METHOD OF OPERATING INTERNAL COMBUSTION ENGINE USING THE SAME
    • 冷却剂组合物和使用该组合物操作内燃机的方法
    • WO2017175053A1
    • 2017-10-12
    • PCT/IB2017/000371
    • 2017-04-03
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • KODAMA, YasuakiKAMENOUE, ShogoYAEDA, KazuhitoYOSHII, YoichiroNAGASAWA, Masayuki
    • C09K5/10
    • A coolant composition includes a viscosity improving agent and a base. The viscosity improving agent includes at least one nonionic surfactant and at least one anionic surfactant represented by the following Formula (1) of R 1 0-(R 2 0) m -S0 3 M. The base is formed of water and/or at least one alcohol selected from the group consisting of a monohydric alcohol, a dihydric alcohol, a trihydric alcohol, and a glycol monoalkyl ether. R 1 represents a linear or branched alkyl group having 16 to 24 carbon atoms or a linear or branched alkenyl group having 16 to 24 carbon atoms, R 2 represents an ethylene group or a propylene group, m represents an average addition molar number of R 2 0 which is a number of 0.5 to 10, and M represents a cation or a hydrogen atom. A shear viscosity of the coolant composition is 8.5 mPa.s or higher at 25°C and is 2.0 mPa.s or lower at 100°C.
    • 冷却剂组合物包含粘度改进剂和碱。 所述粘度改进剂包括至少一种非离子表面活性剂和至少一种由下式(1)表示的R 1 0 - (R 2 0)表示的阴离子表面活性剂 >米 - SO <子> 3 微米。 碱由水和/或至少一种选自一元醇,二元醇,三元醇和二元醇单烷基醚的醇形成。 R 1表示具有16至24个碳原子的直链或支链烷基或具有16至24个碳原子的直链或支链烯基,R 2表示亚乙基或 亚丙基,m代表R 0.5的平均加成摩尔数,其数目为0.5至10,M代表阳离子或氢原子。 冷却剂组合物的剪切粘度在25℃为8.5mPa·s或更高,在100℃为2.0mPa·s或更低。