申请人:Nippon Mitsubishi Oil Corporation
公开号:EP1394289A1
公开(公告)日:2004-03-03
The rust preventive oil composition according to the present invention contains at least one kind of sulfonate of 1 to 10% by mass selected from a group consisting of an alkaline metal sulfonate, an alkaline earth-metal sulfonate (with the exception of barium sulfonate) and an amine sulfonate based on the total weight of the composition in at least one kind of base oil selected from a group consisting of a mineral oil and a synthetic oil, and the contents of barium, zinc, chlorine and lead are each 1000ppm by mass or less based on the total weight by element conversion of the composition, and the content of a compound having a group represented by the following general formula (1):
[wherein R1 represents an alkyl group having 1 to 24 carbon atoms , R2 represents an alkylene group having 2 to 4 carbon atoms, m represents an integer of 1 to 5 and n represents an integer of 1 to 6]
is 1000ppm by mass or less based on the total weight of the composition.
根据本发明的防锈油组合物,在至少一种选自矿物油和合成油的基础油中,含有 至少一种质量分数为 1-10%的磺酸盐,该磺酸盐选自碱金属磺酸盐、碱土金属磺酸盐 (磺酸钡除外)和磺酸胺,以组合物总重量为基准、钡、锌、氯和铅的含量均不超过 1000ppm(以按元素换算的组合物总重量为基准),以及具有下 列通式(1)所代表基团的化合物的含量:
[其中 R1 代表具有 1 至 24 个碳原子的烷基,R2 代表具有 2 至 4 个碳原子的亚烷基,m 代表 1 至 5 的整数,n 代表 1 至 6 的整数。]
以组合物总重量为基准,质量分数不超过 1000ppm。