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    • 56. 发明专利
    • Lubricating oil composition for engine made of aluminum alloy and lubrication method
    • 用于铝合金发动机的润滑油组合物和润滑方法
    • JP2013224405A
    • 2013-10-31
    • JP2013006615
    • 2013-01-17
    • Idemitsu Kosan Co Ltd出光興産株式会社
    • IWASAKI JUNYASHIMIZU YASUNORITAKASHIMA YORIYUKI
    • C10M169/04C10M101/02C10M133/16C10M133/56C10M135/32C10M135/36C10M139/00C10N20/00C10N30/00C10N30/06C10N40/25
    • PROBLEM TO BE SOLVED: To provide: a lubricating oil composition for an engine made of an aluminum alloy in which abrasion resistance to a sliding part is excellent in the engine in which the sliding part is the aluminum alloy, and that can decrease ZnDTP and a metal based detergent containing phosphorus voluminously while maintaining the abrasion resistance to the aluminum alloy; and a lubrication method using the same.SOLUTION: A lubricating oil composition comprises a base oil, a succinimide compound and a sulfur-containing heterocyclic compound represented by general formula (I), and has a sulfur content of 0.10 to 1.00 mass% relative to the composition and a phosphorus content of less than 0.03 mass% and a sulfated ash content of less than 0.3 mass% relative to the composition. In the formula, As is a sulfur-containing heterocycle; R1 and R2 are each independently a hydrogen atom, an amino group, a 1-50C hydrocarbon group which is selected from alkyl, cycloalkyl, alkenyl, cycloalkenyl and aryl, or a 1-50C hetero atom-containing group that includes an atom selected from oxygen, nitrogen and sulfur when they are the hydrocarbon group; and k, l, m and n are each independently an integer of 0 to 5.
    • 要解决的问题:提供一种用于铝合金发动机的润滑油组合物,其中滑动部分是铝合金的发动机中对滑动部件的耐磨性优异,并且可以减少ZnDTP和 含有磷的金属基洗涤剂,同时保持对铝合金的耐磨性; 以及使用其的润滑方法。溶液:润滑油组合物,其包含基础油,琥珀酰亚胺化合物和由通式(I)表示的含硫杂环化合物,相对于 组成,磷含量小于0.03质量%,硫酸灰分相对于组合物小于0.3质量%。 在该式中,As为含硫杂环; R 1和R 2各自独立地为氢原子,氨基,选自烷基,环烷基,烯基,环烯基和芳基的1-50C烃基或含1-50个含杂原子的基团,该基团包括选自 当它们是烃基时,氧,氮和硫; 并且k,l,m和n各自独立地为0〜5的整数。